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Hurricane Elsa Wind Speed Probabilities Number 9
2021-07-02 17:25:03| National Hurricane Center (Atlantic)
Issued at 1500 UTC FRI JUL 02 2021 000 FONT15 KNHC 021502 PWSAT5 HURRICANE ELSA WIND SPEED PROBABILITIES NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052021 1500 UTC FRI JUL 02 2021 AT 1500Z THE CENTER OF HURRICANE ELSA WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 61.2 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 65 KTS ...75 MPH...120 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 12Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 12Z FRI 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE PERIODS TO TO TO TO TO TO TO 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE 12Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT FAYETTEVILLE 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) CHARLOTTE NC 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) MOREHEAD CITY 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) SURF CITY NC 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) WILMINGTON NC 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) BALD HEAD ISL 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) FLORENCE SC 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) COLUMBIA SC 34 X X( X) X( X) X( X) X( X) X( X) 8( 8) LITTLE RIVER 34 X X( X) X( X) X( X) X( X) X( X) 7( 7) MYRTLE BEACH 34 X X( X) X( X) X( X) X( X) X( X) 8( 8) GEORGETOWN SC 34 X X( X) X( X) X( X) X( X) X( X) 7( 7) CHARLESTON SC 34 X X( X) X( X) X( X) X( X) X( X) 12(12) BEAUFORT MCAS 34 X X( X) X( X) X( X) X( X) 1( 1) 14(15) BEAUFORT MCAS 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) ATLANTA GA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) AUGUSTA GA 34 X X( X) X( X) X( X) X( X) X( X) 8( 8) SAVANNAH GA 34 X X( X) X( X) X( X) X( X) 1( 1) 11(12) SAVANNAH GA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) KINGS BAY GA 34 X X( X) X( X) X( X) X( X) 3( 3) 19(22) KINGS BAY GA 50 X X( X) X( X) X( X) X( X) X( X) 6( 6) KINGS BAY GA 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) WAYCROSS GA 34 X X( X) X( X) X( X) X( X) 2( 2) 14(16) WAYCROSS GA 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) MAYPORT NS FL 34 X X( X) X( X) X( X) X( X) 4( 4) 18(22) MAYPORT NS FL 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) MAYPORT NS FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) JACKSONVILLE 34 X X( X) X( X) X( X) X( X) 2( 2) 16(18) JACKSONVILLE 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) GAINESVILLE FL 34 X X( X) X( X) X( X) X( X) 4( 4) 18(22) GAINESVILLE FL 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) GAINESVILLE FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) DAYTONA BEACH 34 X X( X) X( X) X( X) X( X) 4( 4) 16(20) DAYTONA BEACH 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) THE VILLAGES 34 X X( X) X( X) X( X) X( X) 5( 5) 17(22) THE VILLAGES 50 X X( X) X( X) X( X) X( X) 1( 1) 4( 5) ORLANDO FL 34 X X( X) X( X) X( X) X( X) 6( 6) 16(22) ORLANDO FL 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) COCOA BEACH FL 34 X X( X) X( X) X( X) X( X) 9( 9) 12(21) COCOA BEACH FL 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) PATRICK AFB 34 X X( X) X( X) X( X) X( X) 9( 9) 12(21) PATRICK AFB 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) FT PIERCE FL 34 X X( X) X( X) X( X) 1( 1) 9(10) 10(20) FT PIERCE FL 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) W PALM BEACH 34 X X( X) X( X) X( X) 3( 3) 10(13) 5(18) W PALM BEACH 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) FT LAUDERDALE 34 X X( X) X( X) X( X) 6( 6) 11(17) 3(20) FT LAUDERDALE 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) MIAMI FL 34 X X( X) X( X) X( X) 4( 4) 8(12) 3(15) MIAMI FL 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) HOMESTEAD ARB 34 X X( X) X( X) X( X) 5( 5) 8(13) 3(16) HOMESTEAD ARB 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) MARATHON FL 34 X X( X) X( X) X( X) 13(13) 21(34) 2(36) MARATHON FL 50 X X( X) X( X) X( X) 2( 2) 5( 7) X( 7) MARATHON FL 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2) KEY WEST FL 34 X X( X) X( X) X( X) 13(13) 24(37) 2(39) KEY WEST FL 50 X X( X) X( X) X( X) 2( 2) 7( 9) 1(10) KEY WEST FL 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2) NAPLES FL 34 X X( X) X( X) X( X) 5( 5) 21(26) 7(33) NAPLES FL 50 X X( X) X( X) X( X) X( X) 5( 5) 3( 8) NAPLES FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) FT MYERS FL 34 X X( X) X( X) X( X) 2( 2) 11(13) 9(22) FT MYERS FL 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) VENICE FL 34 X X( X) X( X) X( X) 1( 1) 20(21) 11(32) VENICE FL 50 X X( X) X( X) X( X) X( X) 4( 4) 3( 7) VENICE FL 64 X X( X) X( X) X( X) X( X) 1( 1) 1( 2) TAMPA FL 34 X X( X) X( X) X( X) 1( 1) 14(15) 14(29) TAMPA FL 50 X X( X) X( X) X( X) X( X) 2( 2) 6( 8) TAMPA FL 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) CEDAR KEY FL 34 X X( X) X( X) X( X) X( X) 10(10) 16(26) CEDAR KEY FL 50 X X( X) X( X) X( X) X( X) 2( 2) 4( 6) CEDAR KEY FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) TALLAHASSEE FL 34 X X( X) X( X) X( X) X( X) 2( 2) 9(11) ST MARKS FL 34 X X( X) X( X) X( X) X( X) 2( 2) 10(12) ST MARKS FL 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) APALACHICOLA 34 X X( X) X( X) X( X) X( X) 3( 3) 10(13) GFMX 290N 850W 34 X X( X) X( X) X( X) X( X) 6( 6) 9(15) GFMX 290N 850W 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) PANAMA CITY FL 34 X X( X) X( X) X( X) X( X) 2( 2) 6( 8) DESTIN EXEC AP 34 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) COLUMBUS GA 34 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) WHITING FLD FL 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) GFMX 290N 870W 34 X X( X) X( X) X( X) X( X) 2( 2) 2( 4) GRAND BAHAMA 34 X X( X) X( X) X( X) 3( 3) 5( 8) 4(12) NEW PROVIDENCE 34 X X( X) X( X) 1( 1) 6( 7) 2( 9) 1(10) ANDROS 34 X X( X) X( X) 1( 1) 12(13) 1(14) 1(15) GREAT EXUMA 34 X X( X) X( X) 6( 6) 5(11) 1(12) X(12) SAN SALVADOR 34 X X( X) X( X) 2( 2) 2( 4) 1( 5) X( 5) MAYAGUANA 34 X X( X) 3( 3) 5( 8) 1( 9) X( 9) X( 9) GRAND TURK 34 X 1( 1) 6( 7) 1( 8) X( 8) X( 8) X( 8) CP SAN ANTONIO 34 X X( X) X( X) X( X) 2( 2) 4( 6) X( 6) HAVANA 34 X X( X) X( X) X( X) 16(16) 17(33) 1(34) HAVANA 50 X X( X) X( X) X( X) 3( 3) 5( 8) 1( 9) HAVANA 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) ISLE OF PINES 34 X X( X) X( X) X( X) 11(11) 8(19) 1(20) ISLE OF PINES 50 X X( X) X( X) X( X) 2( 2) 3( 5) X( 5) ISLE OF PINES 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) CIENFUEGOS 34 X X( X) X( X) 1( 1) 24(25) 5(30) 1(31) CIENFUEGOS 50 X X( X) X( X) X( X) 6( 6) 2( 8) X( 8) CIENFUEGOS 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) CAMAGUEY 34 X X( X) X( X) 9( 9) 26(35) 1(36) X(36) CAMAGUEY 50 X X( X) X( X) 1( 1) 6( 7) X( 7) X( 7) CAMAGUEY 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) GUANTANAMO BAY 34 X X( X) 8( 8) 32(40) 2(42) X(42) X(42) GUANTANAMO BAY 50 X X( X) 1( 1) 5( 6) 2( 8) X( 8) X( 8) GUANTANAMO BAY 64 X X( X) X( X) 1( 1) X( 1) X( 1) X( 1) GRAND CAYMAN 34 X X( X) X( X) 1( 1) 5( 6) 1( 7) X( 7) MONTEGO BAY 34 X X( X) 3( 3) 15(18) 7(25) 1(26) X(26) MONTEGO BAY 50 X X( X) X( X) 3( 3) 3( 6) X( 6) X( 6) MONTEGO BAY 64 X X( X) X( X) 1( 1) 1( 2) X( 2) X( 2) KINGSTON 34 X X( X) 5( 5) 20(25) 4(29) X(29) X(29) KINGSTON 50 X X( X) X( X) 6( 6) 1( 7) X( 7) X( 7) KINGSTON 64 X X( X) X( X) 1( 1) 1( 2) X( 2) X( 2) LES CAYES 34 X 1( 1) 59(60) 14(74) X(74) X(74) X(74) LES CAYES 50 X X( X) 18(18) 11(29) 1(30) X(30) X(30) LES CAYES 64 X X( X) 3( 3) 3( 6) X( 6) X( 6) X( 6) PORT-AU-PRINCE 34 X 5( 5) 64(69) 2(71) X(71) X(71) X(71) PORT-AU-PRINCE 50 X X( X) 16(16) 2(18) X(18) X(18) X(18) PORT-AU-PRINCE 64 X X( X) 3( 3) X( 3) X( 3) X( 3) X( 3) CAPE BEATA 34 X 24(24) 63(87) X(87) X(87) X(87) X(87) CAPE BEATA 50 X 1( 1) 46(47) X(47) X(47) X(47) X(47) CAPE BEATA 64 X X( X) 15(15) X(15) X(15) X(15) X(15) PUERTO PLATA 34 X 5( 5) 11(16) 1(17) X(17) X(17) X(17) SANTO DOMINGO 34 X 9( 9) 8(17) X(17) X(17) X(17) X(17) PONCE PR 34 1 4( 5) X( 5) X( 5) X( 5) X( 5) X( 5) AGUADILLA PR 34 3 12(15) 1(16) X(16) X(16) X(16) X(16) SAN JUAN PR 34 1 3( 4) X( 4) X( 4) X( 4) X( 4) X( 4) VIEQUES PR 34 4 5( 9) X( 9) X( 9) X( 9) X( 9) X( 9) SAINT THOMAS 34 3 4( 7) X( 7) X( 7) X( 7) X( 7) X( 7) SAINT CROIX 34 5 5(10) X(10) X(10) X(10) X(10) X(10) SAINT MAARTEN 34 4 1( 5) X( 5) X( 5) X( 5) X( 5) X( 5) SABA 34 5 2( 7) X( 7) X( 7) X( 7) X( 7) X( 7) ST EUSTATIUS 34 5 2( 7) X( 7) X( 7) X( 7) X( 7) X( 7) ST KITTS-NEVIS 34 5 1( 6) X( 6) X( 6) X( 6) X( 6) X( 6) BARBUDA 34 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3) ANTIGUA 34 4 X( 4) X( 4) X( 4) X( 4) X( 4) X( 4) GUADELOUPE 34 5 X( 5) X( 5) X( 5) X( 5) X( 5) X( 5) AVES 34 73 X(73) X(73) X(73) X(73) X(73) X(73) AVES 50 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3) DOMINICA 34 54 X(54) X(54) X(54) X(54) X(54) X(54) MARTINIQUE 34 98 X(98) X(98) X(98) X(98) X(98) X(98) SAINT LUCIA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAINT LUCIA 50 93 X(93) X(93) X(93) X(93) X(93) X(93) SAINT LUCIA 64 7 X( 7) X( 7) X( 7) X( 7) X( 7) X( 7) SAINT VINCENT 34 99 X(99) X(99) X(99) X(99) X(99) X(99) BARBADOS 34 99 X(99) X(99) X(99) X(99) X(99) X(99) BARBADOS 50 99 X(99) X(99) X(99) X(99) X(99) X(99) $$ FORECASTER BEVEN
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Hurricane Elsa Public Advisory Number 9
2021-07-02 17:25:03| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Fri Jul 02 2021 000 WTNT35 KNHC 021501 TCPAT5 BULLETIN Hurricane Elsa Advisory Number 9 NWS National Hurricane Center Miami FL AL052021 1100 AM AST Fri Jul 02 2021 ...CENTER OF ELSA PASSING NEAR ST. VINCENT AND ST. LUCIA... ...HURRICANE CONDITIONS SPREADING THROUGH THE WINDWARD ISLANDS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...13.4N 61.2W ABOUT 5 MI...10 KM N OF ST. VINCENT ABOUT 675 MI...1090 KM ESE OF SANTO DOMINGO DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 29 MPH...46 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Hurricane Warning is now in effect for the southern portion of Haiti from Port Au Prince to the southern border with the Dominican Republic. The Meteorological Service of the Dominican Republic has issued a Hurricane Watch for the south coast of the Dominican Republic from Punta Palenque to the border with Haiti, a Tropical Storm Warning for the south coast from Cabo Engano to the border with Haiti, and a Tropical Storm Watch for the north coast from Cabo Engano to Bahia de Manzanillo. The Government of Jamaica has issued a Hurricane Watch and Tropical Storm Warning for Jamaica. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * St. Lucia * St. Vincent and the Grenadines * Southern portion of Haiti from Port Au Prince to the southern border with the Dominican Republic A Tropical Storm Warning is in effect for... * Barbados * Martinique * Dominica * The southern coast of Dominican Republic from Cabo Engano to the border with Haiti * The coast of Haiti north of Port Au Prince * Jamaica A Hurricane Watch is in effect for... * South coast of the Dominican Republic from Punta Palenque to the border with Haiti * Jamaica A Tropical Storm Watch is in effect for... * Grenada and its dependencies * Saba and Sint Eustatius * North coast of the Dominican Republic from Cabo Engano to Bahia de Manzanillo A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case in the next few hours. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. Interests elsewhere in the Windward Islands, Leeward Islands, the Virgin Islands, Puerto Rico, the Dominican Republic, Cuba, and the Cayman Islands should monitor the progress of Elsa. Additional watches and warnings will likely be required later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Hurricane Elsa was located near latitude 13.4 North, longitude 61.2 West. Elsa is moving toward the west-northwest near 29 mph (46 km/h), and this motion is expected to continue during the next couple of days, with some decrease in forward speed expected Sunday night. On the forecast track, Elsa will move away from the Windward Islands during the next several hours, move across the eastern Caribbean Sea later today and tonight, and move near the southern coast of Hispaniola late Saturday or Saturday night. By Sunday, Elsa is forecast to move near Jamaica and portions of eastern Cuba, and move near portions of central and western Cuba Sunday night and early Monday. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Little change in strength is forecast during the next 48 hours. Some decrease in winds is possible on Monday as Elsa interacts with Cuba. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The Hewanorra Airport on St. Lucia recently reported sustained winds of 46 mph (74 km/h) and a wind gust of 79 mph (127 km/h). The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Elsa can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5, WMO header WTNT45 KNHC and on the web at www.hurricanes.gov/graphics_at5.shtml?key_messages. WIND: Hurricane conditions are expected in the hurricane warning area in the Windward Islands for the next few hours. Tropical storm conditions are expected in portions of the Windward and southern Leeward Islands within the tropical storm warning areas and are possible in the tropical storm watch areas later today. Hurricane conditions are expected in the hurricane warning area in Haiti by late Saturday and are possible in the hurricane watch area in the Dominican Republic by late Saturday. Hurricane conditions are possible on Jamaica late Saturday or Sunday. STORM SURGE: A storm surge will raise water levels by as much as 1 to 3 feet above normal tide levels in areas of onshore winds in the hurricane warning area in the Windward Islands and 2 to 4 feet above normal tide levels along the southern coast of Hispaniola. RAINFALL: Elsa is expected to produce rainfall totals of 4 to 8 inches with maximum amounts of 15 inches today across the Windward and southern Leeward Islands, including Barbados. This rain may lead to isolated flash flooding and mudslides. Over Puerto Rico, rainfall of 1 to 3 inches with localized amounts of 5 inches is expected late today into Saturday. This rain may lead to isolated flash flooding and minor river flooding, along with the potential for mudslides. Across portions of southern Hispaniola and Jamaica, rainfall of 4 to 8 inches with isolated maximum amounts of 15 inches is possible Saturday into Sunday. This rain may lead to scattered flash flooding and mudslides. SURF: Swells generated by Elsa will spread westward across the Caribbean Sea during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM AST. Next complete advisory at 500 PM AST. $$ Forecaster Beven
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Hurricane Elsa Forecast Discussion Number 9
2021-07-02 17:24:56| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Fri Jul 02 2021 000 WTNT45 KNHC 021505 TCDAT5 Hurricane Elsa Discussion Number 9 NWS National Hurricane Center Miami FL AL052021 1100 AM AST Fri Jul 02 2021 Satellite imagery indicates that Elsa has become better organized, and radar data from Barbados and Martinique have shown attempts at eye formation. The formative northern eyewall passed over Barbados near 11-12Z, and hurricane-force winds were reported there at that time. The initial intensity is set at 65 kt based on those data. It should be noted that reports from an Air Force Reserve Hurricane Hunter aircraft suggest that the circulation is not well-developed at 700 mb, possible due to the rapid forward speed. The initial motion is 290/25. There is little change to the forecast track or the forecast guidance since the last advisory. The guidance is in good agreement on a rapid west-northwestward notion to near the south coast of the Dominican Republic by 36 hr. After that, the general consensus is that Elsa should turn northward by 96 h through a weakness in the subtropical ridge created by a mid-latitude trough. However, the guidance is quite divergent around this consensus, with possible tracks ranging from a west-northwestward motion through the Yucatan Channel or western Cuba to a northward motion through the Bahamas. Thus, the latter portion of the track forecast remains low confidence. The intensity forecast calls for a little more strengthening during the next 36 h as Elsa moves through an environment of light westerly shear. After that, land interaction, along with less favorable upper-level winds over the Gulf of Mexico, is likely to cause weakening. The new NHC intensity forecast shows major adjustments from the previous forecasts based primarily on the initial intensity. It should be noted that the average NHC track errors are 175 miles and 200 miles at days 4 and 5, respectively. Given the larger-than-normal uncertainty and because hazards will extend well away from the center of the storm, users are urged to not focus on the exact forecast points. Key Messages: 1. Hurricane conditions are expected in the Hurricane Warning area in the Windward Islands for the next few hours. Tropical storm conditions are expected in other portions of the Windward and Leeward Islands. Hurricane conditions are expected in the Hurricane Warning area in Haiti on Saturday. Tropical storm conditions are expected with hurricane conditions possible along the southern coast of the Dominican Republic and in Jamaica. 2. Heavy rainfall from Elsa will move quickly across the Windward and southern Leeward Islands today, including Barbados. Outer rain bands will impact Puerto Rico late today into Saturday, and southern Hispaniola and Jamaica Saturday into Sunday. Flooding and mudslides are possible. 3. There is an increasing risk of strong winds, storm surge and rainfall impacts in portions of Cuba this weekend and early next week, with impacts also possible in the Turks and Caicos and the Bahamas. Interests in these areas should monitor Elsa's progress and updates to the forecast. 4. There is a risk of storm surge, wind, and rainfall impacts in the Florida Keys and portions of the Florida Peninsula early next week. However, the forecast uncertainty remains larger than usual due to Elsa's potential interaction with the Greater Antilles this weekend. Interests in Florida should monitor Elsa's progress and updates to the forecast. FORECAST POSITIONS AND MAX WINDS INIT 02/1500Z 13.4N 61.2W 65 KT 75 MPH 12H 03/0000Z 14.6N 64.9W 70 KT 80 MPH 24H 03/1200Z 16.3N 69.8W 70 KT 80 MPH 36H 04/0000Z 17.8N 73.6W 70 KT 80 MPH 48H 04/1200Z 19.3N 76.4W 65 KT 75 MPH 60H 05/0000Z 20.7N 78.4W 55 KT 65 MPH 72H 05/1200Z 22.1N 80.5W 55 KT 65 MPH...INLAND 96H 06/1200Z 26.0N 82.5W 55 KT 65 MPH...OVER WATER 120H 07/1200Z 30.6N 81.5W 40 KT 45 MPH...INLAND $$ Forecaster Beven
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Hurricane Elsa Forecast Discussion Number 8
2021-07-02 14:23:57| National Hurricane Center (Atlantic)
Issued at 830 AM AST Fri Jul 02 2021 000 WTNT45 KNHC 021223 TCDAT5 Hurricane Elsa Special Discussion Number 8 NWS National Hurricane Center Miami FL AL052021 830 AM AST Fri Jul 02 2021 Surface observations from Barbados indicate that Elsa has become a hurricane, and this special advisory is being issued to update the first 36 h of the intensity and wind radii forecasts. More revisions of the intensity forecast are likely on the next regular advisory. An Air Force Reserve Hurricane Hunter aircraft is currently entering the hurricane, and a NOAA aircraft is scheduled to investigate the system this afternoon. There are no changes to the forecast track at this time. It should be noted that the average NHC track errors are 175 miles and 200 miles at days 4 and 5, respectively. Given the larger-than-normal uncertainty and because hazards will extend well away from the center of the storm, users are urged to not focus on the exact forecast points. Key Messages: 1. Hurricane conditions are occurring on Barbados and are expected elsewhere in the Hurricane Warning area in the next few hours. Tropical storm conditions are expected to begin later this morning in other portions of the Windward and Leeward Islands. Tropical storm conditions are expected and hurricane conditions are possible over southern portions of Hispaniola on Saturday. Tropical storm conditions are possible over Jamaica beginning Saturday night. 2. Heavy rainfall from Elsa will move quickly across the Windward and southern Leeward Islands today, including Barbados. Outer rain bands will impact Puerto Rico late today into Saturday, and southern Hispaniola and Jamaica Saturday into Sunday. Flooding and mudslides are possible. 3. There is a risk of wind and rainfall impacts in portions of Cuba, the Turks and Caicos, and the Bahamas through early next week. Interests in these areas should monitor Elsa's progress and updates to the forecast. 4. There is a risk of storm surge, wind, and rainfall impacts in the Florida Keys and portions of the Florida Peninsula early next week. However, the forecast uncertainty remains larger than usual due to Elsa's potential interaction with the Greater Antilles this weekend. Interests in Florida should monitor Elsa's progress and updates to the forecast. FORECAST POSITIONS AND MAX WINDS INIT 02/1230Z 13.1N 60.1W 65 KT 75 MPH 12H 02/1800Z 13.8N 62.4W 65 KT 75 MPH 24H 03/0600Z 15.4N 67.4W 65 KT 75 MPH 36H 03/1800Z 17.1N 71.7W 65 KT 75 MPH 48H 04/0600Z 18.7N 75.2W 60 KT 70 MPH 60H 04/1800Z 20.2N 77.8W 55 KT 65 MPH 72H 05/0600Z 21.7N 79.7W 55 KT 65 MPH 96H 06/0600Z 25.2N 82.2W 55 KT 65 MPH 120H 07/0600Z 29.2N 82.6W 55 KT 65 MPH $$ Forecaster Beven
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Hurricane Elsa Wind Speed Probabilities Number 8
2021-07-02 14:23:28| National Hurricane Center (Atlantic)
Issued at 1230 UTC FRI JUL 02 2021 000 FONT15 KNHC 021223 PWSAT5 HURRICANE ELSA SPECIAL WIND SPEED PROBABILITIES NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052021 1230 UTC FRI JUL 02 2021 AT 1230Z THE CENTER OF HURRICANE ELSA WAS LOCATED NEAR LATITUDE 13.1 NORTH...LONGITUDE 60.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 65 KTS ...75 MPH...120 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 06Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 06Z FRI 18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE PERIODS TO TO TO TO TO TO TO 18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE 06Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT FLORENCE SC 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) COLUMBIA SC 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) LITTLE RIVER 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) MYRTLE BEACH 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) GEORGETOWN SC 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) CHARLESTON SC 34 X X( X) X( X) X( X) X( X) X( X) 7( 7) BEAUFORT MCAS 34 X X( X) X( X) X( X) X( X) 1( 1) 8( 9) ATLANTA GA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) AUGUSTA GA 34 X X( X) X( X) X( X) X( X) X( X) 7( 7) SAVANNAH GA 34 X X( X) X( X) X( X) X( X) X( X) 9( 9) KINGS BAY GA 34 X X( X) X( X) X( X) X( X) 2( 2) 14(16) KINGS BAY GA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) WAYCROSS GA 34 X X( X) X( X) X( X) X( X) 1( 1) 13(14) WAYCROSS GA 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) MAYPORT NS FL 34 X X( X) X( X) X( X) X( X) 2( 2) 15(17) MAYPORT NS FL 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) MAYPORT NS FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) JACKSONVILLE 34 X X( X) X( X) X( X) X( X) 1( 1) 13(14) JACKSONVILLE 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) GAINESVILLE FL 34 X X( X) X( X) X( X) X( X) 2( 2) 16(18) GAINESVILLE FL 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) GAINESVILLE FL 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) DAYTONA BEACH 34 X X( X) X( X) X( X) X( X) 2( 2) 14(16) DAYTONA BEACH 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) THE VILLAGES 34 X X( X) X( X) X( X) X( X) 2( 2) 16(18) THE VILLAGES 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) THE VILLAGES 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) ORLANDO FL 34 X X( X) X( X) X( X) X( X) 3( 3) 13(16) ORLANDO FL 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) COCOA BEACH FL 34 X X( X) X( X) X( X) X( X) 8( 8) 10(18) COCOA BEACH FL 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) PATRICK AFB 34 X X( X) X( X) X( X) X( X) 8( 8) 11(19) PATRICK AFB 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) FT PIERCE FL 34 X X( X) X( X) X( X) 1( 1) 8( 9) 9(18) W PALM BEACH 34 X X( X) X( X) X( X) 2( 2) 11(13) 6(19) W PALM BEACH 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) FT LAUDERDALE 34 X X( X) X( X) X( X) 4( 4) 13(17) 5(22) FT LAUDERDALE 50 X X( X) X( X) X( X) X( X) 2( 2) 2( 4) MIAMI FL 34 X X( X) X( X) X( X) 3( 3) 9(12) 5(17) MIAMI FL 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) HOMESTEAD ARB 34 X X( X) X( X) X( X) 3( 3) 10(13) 5(18) HOMESTEAD ARB 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) MARATHON FL 34 X X( X) X( X) X( X) 9( 9) 23(32) 4(36) MARATHON FL 50 X X( X) X( X) X( X) 1( 1) 7( 8) 2(10) MARATHON FL 64 X X( X) X( X) X( X) X( X) 1( 1) 1( 2) KEY WEST FL 34 X X( X) X( X) X( X) 8( 8) 25(33) 4(37) KEY WEST FL 50 X X( X) X( X) X( X) 1( 1) 8( 9) 1(10) KEY WEST FL 64 X X( X) X( X) X( X) X( X) 1( 1) 1( 2) NAPLES FL 34 X X( X) X( X) X( X) 2( 2) 21(23) 10(33) NAPLES FL 50 X X( X) X( X) X( X) X( X) 4( 4) 4( 8) NAPLES FL 64 X X( X) X( X) X( X) X( X) 1( 1) 1( 2) FT MYERS FL 34 X X( X) X( X) X( X) 1( 1) 9(10) 10(20) FT MYERS FL 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) VENICE FL 34 X X( X) X( X) X( X) 1( 1) 15(16) 15(31) VENICE FL 50 X X( X) X( X) X( X) X( X) 3( 3) 6( 9) VENICE FL 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) TAMPA FL 34 X X( X) X( X) X( X) 1( 1) 10(11) 16(27) TAMPA FL 50 X X( X) X( X) X( X) X( X) 1( 1) 7( 8) TAMPA FL 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) CEDAR KEY FL 34 X X( X) X( X) X( X) X( X) 7( 7) 19(26) CEDAR KEY FL 50 X X( X) X( X) X( X) X( X) 1( 1) 7( 8) CEDAR KEY FL 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) TALLAHASSEE FL 34 X X( X) X( X) X( X) X( X) 1( 1) 12(13) TALLAHASSEE FL 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) ST MARKS FL 34 X X( X) X( X) X( X) X( X) 2( 2) 12(14) ST MARKS FL 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) APALACHICOLA 34 X X( X) X( X) X( X) X( X) 2( 2) 13(15) APALACHICOLA 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) GFMX 290N 850W 34 X X( X) X( X) X( X) X( X) 4( 4) 13(17) GFMX 290N 850W 50 X X( X) X( X) X( X) X( X) 1( 1) 4( 5) PANAMA CITY FL 34 X X( X) X( X) X( X) X( X) 2( 2) 9(11) PANAMA CITY FL 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) DESTIN EXEC AP 34 X X( X) X( X) X( X) X( X) 1( 1) 4( 5) COLUMBUS GA 34 X X( X) X( X) X( X) X( X) X( X) 7( 7) MONTGOMERY AL 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) WHITING FLD FL 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) PENSACOLA FL 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) GFMX 290N 870W 34 X X( X) X( X) X( X) X( X) 1( 1) 5( 6) GRAND BAHAMA 34 X X( X) X( X) X( X) 2( 2) 7( 9) 3(12) NEW PROVIDENCE 34 X X( X) X( X) X( X) 6( 6) 4(10) 1(11) ANDROS 34 X X( X) X( X) 1( 1) 12(13) 3(16) 1(17) GREAT EXUMA 34 X X( X) X( X) 2( 2) 7( 9) 1(10) X(10) SAN SALVADOR 34 X X( X) X( X) 1( 1) 3( 4) 1( 5) X( 5) MAYAGUANA 34 X X( X) 1( 1) 5( 6) 2( 8) X( 8) X( 8) GRAND TURK 34 X X( X) 5( 5) 3( 8) 1( 9) X( 9) X( 9) CP SAN ANTONIO 34 X X( X) X( X) X( X) 1( 1) 4( 5) X( 5) HAVANA 34 X X( X) X( X) X( X) 9( 9) 19(28) 2(30) HAVANA 50 X X( X) X( X) X( X) 1( 1) 6( 7) X( 7) HAVANA 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) ISLE OF PINES 34 X X( X) X( X) X( X) 7( 7) 10(17) X(17) ISLE OF PINES 50 X X( X) X( X) X( X) 1( 1) 3( 4) X( 4) ISLE OF PINES 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) CIENFUEGOS 34 X X( X) X( X) X( X) 20(20) 9(29) X(29) CIENFUEGOS 50 X X( X) X( X) X( X) 4( 4) 3( 7) X( 7) CIENFUEGOS 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) CAMAGUEY 34 X X( X) X( X) 2( 2) 29(31) 2(33) X(33) CAMAGUEY 50 X X( X) X( X) X( X) 7( 7) X( 7) X( 7) CAMAGUEY 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) GUANTANAMO BAY 34 X X( X) 1( 1) 27(28) 8(36) X(36) X(36) GUANTANAMO BAY 50 X X( X) X( X) 3( 3) 3( 6) X( 6) X( 6) GRAND CAYMAN 34 X X( X) X( X) X( X) 5( 5) 2( 7) X( 7) MONTEGO BAY 34 X X( X) X( X) 6( 6) 16(22) X(22) X(22) MONTEGO BAY 50 X X( X) X( X) X( X) 5( 5) X( 5) X( 5) MONTEGO BAY 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) KINGSTON 34 X X( X) 1( 1) 13(14) 10(24) X(24) X(24) KINGSTON 50 X X( X) X( X) 1( 1) 4( 5) X( 5) X( 5) KINGSTON 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) LES CAYES 34 X X( X) 8( 8) 54(62) 1(63) X(63) X(63) LES CAYES 50 X X( X) X( X) 15(15) 1(16) X(16) X(16) LES CAYES 64 X X( X) X( X) 2( 2) X( 2) X( 2) X( 2) PORT-AU-PRINCE 34 X X( X) 41(41) 26(67) X(67) X(67) X(67) PORT-AU-PRINCE 50 X X( X) 5( 5) 13(18) X(18) X(18) X(18) PORT-AU-PRINCE 64 X X( X) X( X) 3( 3) X( 3) X( 3) X( 3) CAPE BEATA 34 X 3( 3) 71(74) 5(79) X(79) X(79) X(79) CAPE BEATA 50 X X( X) 33(33) 6(39) X(39) X(39) X(39) CAPE BEATA 64 X X( X) 8( 8) 3(11) X(11) X(11) X(11) PUERTO PLATA 34 X 1( 1) 16(17) 4(21) X(21) X(21) X(21) SANTO DOMINGO 34 X 1( 1) 18(19) 1(20) X(20) X(20) X(20) PONCE PR 34 X 5( 5) 2( 7) X( 7) X( 7) X( 7) X( 7) AGUADILLA PR 34 X 13(13) 8(21) X(21) X(21) X(21) X(21) SAN JUAN PR 34 X 4( 4) 1( 5) X( 5) X( 5) X( 5) X( 5) VIEQUES PR 34 1 14(15) 1(16) X(16) X(16) X(16) X(16) SAINT THOMAS 34 1 10(11) 1(12) X(12) X(12) X(12) X(12) SAINT CROIX 34 3 15(18) 1(19) X(19) X(19) X(19) X(19) SAINT MAARTEN 34 3 6( 9) X( 9) X( 9) X( 9) X( 9) X( 9) SABA 34 5 8(13) X(13) X(13) X(13) X(13) X(13) ST EUSTATIUS 34 6 7(13) X(13) X(13) X(13) X(13) X(13) ST KITTS-NEVIS 34 7 8(15) X(15) X(15) X(15) X(15) X(15) BARBUDA 34 6 3( 9) X( 9) X( 9) X( 9) X( 9) X( 9) ANTIGUA 34 11 4(15) X(15) X(15) X(15) X(15) X(15) GUADELOUPE 34 28 4(32) X(32) X(32) X(32) X(32) X(32) AVES 34 35 38(73) X(73) X(73) X(73) X(73) X(73) AVES 50 X 7( 7) X( 7) X( 7) X( 7) X( 7) X( 7) DOMINICA 34 66 1(67) X(67) X(67) X(67) X(67) X(67) MARTINIQUE 34 87 X(87) X(87) X(87) X(87) X(87) X(87) MARTINIQUE 50 9 X( 9) X( 9) X( 9) X( 9) X( 9) X( 9) SAINT LUCIA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAINT LUCIA 50 77 X(77) X(77) X(77) X(77) X(77) X(77) SAINT LUCIA 64 4 X( 4) X( 4) X( 4) X( 4) X( 4) X( 4) SAINT VINCENT 34 98 X(98) X(98) X(98) X(98) X(98) X(98) SAINT VINCENT 50 26 X(26) X(26) X(26) X(26) X(26) X(26) SAINT VINCENT 64 1 X( 1) X( 1) X( 1) X( 1) X( 1) X( 1) BARBADOS 34 99 X(99) X(99) X(99) X(99) X(99) X(99) BARBADOS 50 60 X(60) X(60) X(60) X(60) X(60) X(60) GRENADA 34 13 1(14) X(14) X(14) X(14) X(14) X(14) TRINIDADTOBAGO 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3) $$ FORECASTER BEVEN
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