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Tropical Storm Isaias Wind Speed Probabilities Number 20
2020-08-02 04:55:25| National Hurricane Center (Atlantic)
Issued at 0300 UTC SUN AUG 02 2020 000 FONT14 KNHC 020255 PWSAT4 TROPICAL STORM ISAIAS WIND SPEED PROBABILITIES NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0300 UTC SUN AUG 02 2020 AT 0300Z THE CENTER OF TROPICAL STORM ISAIAS WAS LOCATED NEAR LATITUDE 25.5 NORTH...LONGITUDE 79.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 60 KTS...70 MPH...110 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 00Z SUN 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 00Z SUN 12Z SUN 00Z MON 12Z MON 00Z TUE 00Z WED 00Z THU PERIODS TO TO TO TO TO TO TO 12Z SUN 00Z MON 12Z MON 00Z TUE 00Z WED 00Z THU 00Z FRI FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT PTX BASQUES 34 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) HALIFAX NS 34 X X( X) X( X) X( X) X( X) 3( 3) 1( 4) YARMOUTH NS 34 X X( X) X( X) X( X) X( X) 7( 7) X( 7) MONCTON NB 34 X X( X) X( X) X( X) X( X) 5( 5) 2( 7) ST JOHN NB 34 X X( X) X( X) X( X) X( X) 6( 6) 2( 8) EASTPORT ME 34 X X( X) X( X) X( X) X( X) 9( 9) 1(10) BAR HARBOR ME 34 X X( X) X( X) X( X) X( X) 8( 8) X( 8) AUGUSTA ME 34 X X( X) X( X) X( X) X( X) 8( 8) 1( 9) PORTLAND ME 34 X X( X) X( X) X( X) X( X) 8( 8) X( 8) CONCORD NH 34 X X( X) X( X) X( X) 1( 1) 8( 9) X( 9) PORTSMOUTH NH 34 X X( X) X( X) X( X) 1( 1) 8( 9) X( 9) WORCESTER MA 34 X X( X) X( X) X( X) 1( 1) 9(10) X(10) SPRINGFIELD MA 34 X X( X) X( X) X( X) 1( 1) 8( 9) X( 9) BOSTON MA 34 X X( X) X( X) X( X) 1( 1) 9(10) X(10) HYANNIS MA 34 X X( X) X( X) X( X) X( X) 9( 9) X( 9) NANTUCKET MA 34 X X( X) X( X) X( X) 1( 1) 10(11) X(11) PROVIDENCE RI 34 X X( X) X( X) X( X) 2( 2) 11(13) X(13) BRIDGEPORT CT 34 X X( X) X( X) X( X) 4( 4) 8(12) X(12) NEW HAVEN CT 34 X X( X) X( X) X( X) 4( 4) 8(12) X(12) HARTFORD CT 34 X X( X) X( X) X( X) 2( 2) 9(11) X(11) NEW LONDON CT 34 X X( X) X( X) X( X) 2( 2) 10(12) X(12) ALBANY NY 34 X X( X) X( X) X( X) 1( 1) 5( 6) X( 6) POUGHKEEPSIE 34 X X( X) X( X) X( X) 2( 2) 6( 8) X( 8) MONTAUK POINT 34 X X( X) X( X) X( X) 3( 3) 11(14) X(14) ISLIP NY 34 X X( X) X( X) X( X) 5( 5) 7(12) X(12) NYC JFK AIRPRT 34 X X( X) X( X) X( X) 8( 8) 6(14) X(14) NYC CNTRL PARK 34 X X( X) X( X) X( X) 5( 5) 5(10) X(10) NEWARK NJ 34 X X( X) X( X) X( X) 5( 5) 4( 9) X( 9) TRENTON NJ 34 X X( X) X( X) X( X) 8( 8) 3(11) X(11) NWS EARLE NJ 34 X X( X) X( X) X( X) 8( 8) 4(12) X(12) ALLENTOWN PA 34 X X( X) X( X) X( X) 5( 5) 3( 8) X( 8) PHILADELPHIA 34 X X( X) X( X) X( X) 10(10) 2(12) X(12) ATLANTIC CITY 34 X X( X) X( X) X( X) 12(12) 2(14) X(14) BALTIMORE MD 34 X X( X) X( X) X( X) 11(11) X(11) X(11) DOVER DE 34 X X( X) X( X) X( X) 15(15) 1(16) X(16) ANNAPOLIS MD 34 X X( X) X( X) X( X) 14(14) 1(15) X(15) WASHINGTON DC 34 X X( X) X( X) X( X) 12(12) 1(13) X(13) CAPE HENLOPEN 34 X X( X) X( X) X( X) 21(21) 1(22) X(22) CAPE HENLOPEN 50 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) OCEAN CITY MD 34 X X( X) X( X) X( X) 24(24) 1(25) X(25) OCEAN CITY MD 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) PAX RIVER NAS 34 X X( X) X( X) X( X) 20(20) X(20) X(20) WALLOPS CDA 34 X X( X) X( X) X( X) 27(27) 1(28) X(28) WALLOPS CDA 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) CHARLOTTESVIL 34 X X( X) X( X) X( X) 11(11) X(11) X(11) RICHMOND VA 34 X X( X) X( X) X( X) 24(24) X(24) X(24) DANVILLE VA 34 X X( X) X( X) X( X) 15(15) X(15) X(15) NORFOLK NAS 34 X X( X) X( X) X( X) 30(30) 1(31) X(31) NORFOLK NAS 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) NORFOLK VA 34 X X( X) X( X) X( X) 30(30) 1(31) X(31) NORFOLK VA 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) OCEANA NAS VA 34 X X( X) X( X) X( X) 31(31) X(31) X(31) ELIZABETH CTY 34 X X( X) X( X) X( X) 32(32) X(32) X(32) GREENSBORO NC 34 X X( X) X( X) X( X) 13(13) X(13) X(13) RALEIGH NC 34 X X( X) X( X) X( X) 26(26) X(26) X(26) ROCKY MT NC 34 X X( X) X( X) X( X) 35(35) X(35) X(35) ROCKY MT NC 50 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) CAPE HATTERAS 34 X X( X) X( X) 1( 1) 25(26) X(26) X(26) FAYETTEVILLE 34 X X( X) X( X) 1( 1) 32(33) X(33) X(33) FAYETTEVILLE 50 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) CHARLOTTE NC 34 X X( X) X( X) 1( 1) 7( 8) X( 8) X( 8) CHERRY PT NC 34 X X( X) X( X) 1( 1) 36(37) X(37) X(37) NEW RIVER NC 34 X X( X) X( X) 1( 1) 39(40) X(40) X(40) NEW RIVER NC 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) MOREHEAD CITY 34 X X( X) X( X) 2( 2) 35(37) X(37) X(37) MOREHEAD CITY 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) SURF CITY NC 34 X X( X) X( X) 4( 4) 39(43) X(43) X(43) SURF CITY NC 50 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) WILMINGTON NC 34 X X( X) X( X) 3( 3) 37(40) X(40) X(40) WILMINGTON NC 50 X X( X) X( X) X( X) 5( 5) X( 5) X( 5) WILMINGTON NC 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) BALD HEAD ISL 34 X X( X) X( X) 9( 9) 36(45) X(45) X(45) BALD HEAD ISL 50 X X( X) X( X) 1( 1) 5( 6) X( 6) X( 6) BALD HEAD ISL 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) FLORENCE SC 34 X X( X) X( X) 4( 4) 24(28) X(28) X(28) COLUMBIA SC 34 X X( X) X( X) 1( 1) 11(12) X(12) X(12) LITTLE RIVER 34 X X( X) X( X) 11(11) 36(47) 1(48) X(48) LITTLE RIVER 50 X X( X) X( X) 1( 1) 7( 8) X( 8) X( 8) LITTLE RIVER 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) MYRTLE BEACH 34 X X( X) X( X) 14(14) 34(48) X(48) X(48) MYRTLE BEACH 50 X X( X) X( X) 1( 1) 7( 8) X( 8) X( 8) MYRTLE BEACH 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) GEORGETOWN SC 34 X X( X) X( X) 11(11) 28(39) X(39) X(39) GEORGETOWN SC 50 X X( X) X( X) 2( 2) 5( 7) X( 7) X( 7) GEORGETOWN SC 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) CHARLESTON SC 34 X X( X) 3( 3) 24(27) 15(42) X(42) X(42) CHARLESTON SC 50 X X( X) X( X) 3( 3) 5( 8) X( 8) X( 8) BEAUFORT MCAS 34 X 1( 1) 4( 5) 21(26) 6(32) X(32) X(32) BEAUFORT MCAS 50 X X( X) X( X) 3( 3) 2( 5) X( 5) X( 5) AUGUSTA GA 34 X X( X) X( X) 1( 1) 4( 5) X( 5) X( 5) SAVANNAH GA 34 X X( X) 2( 2) 11(13) 3(16) X(16) X(16) KINGS BAY GA 34 1 2( 3) 20(23) 12(35) X(35) X(35) X(35) KINGS BAY GA 50 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4) WAYCROSS GA 34 X 1( 1) 1( 2) 1( 3) 2( 5) X( 5) X( 5) MAYPORT NS FL 34 1 3( 4) 29(33) 10(43) X(43) X(43) X(43) MAYPORT NS FL 50 X X( X) 5( 5) 3( 8) X( 8) X( 8) X( 8) JACKSONVILLE 34 X 2( 2) 12(14) 4(18) X(18) X(18) X(18) GAINESVILLE FL 34 1 1( 2) 3( 5) 2( 7) X( 7) X( 7) X( 7) DAYTONA BEACH 34 1 19(20) 28(48) 1(49) 1(50) X(50) X(50) DAYTONA BEACH 50 X 1( 1) 7( 8) 1( 9) X( 9) X( 9) X( 9) THE VILLAGES 34 1 3( 4) 6(10) X(10) 1(11) X(11) X(11) ORLANDO FL 34 2 30(32) 8(40) X(40) 1(41) X(41) X(41) COCOA BEACH FL 34 15 62(77) 5(82) X(82) X(82) X(82) X(82) COCOA BEACH FL 50 X 23(23) 8(31) X(31) X(31) X(31) X(31) COCOA BEACH FL 64 X 3( 3) 1( 4) X( 4) X( 4) X( 4) X( 4) PATRICK AFB 34 15 62(77) 4(81) 1(82) X(82) X(82) X(82) PATRICK AFB 50 X 22(22) 7(29) X(29) X(29) X(29) X(29) PATRICK AFB 64 X 3( 3) 1( 4) X( 4) X( 4) X( 4) X( 4) FT PIERCE FL 34 82 13(95) X(95) X(95) X(95) X(95) X(95) FT PIERCE FL 50 3 39(42) 2(44) X(44) X(44) X(44) X(44) FT PIERCE FL 64 X 7( 7) X( 7) X( 7) X( 7) X( 7) X( 7) W PALM BEACH 34 98 1(99) X(99) X(99) X(99) X(99) X(99) W PALM BEACH 50 44 9(53) X(53) X(53) X(53) X(53) X(53) W PALM BEACH 64 4 2( 6) X( 6) X( 6) X( 6) X( 6) X( 6) FT LAUDERDALE 34 88 X(88) 1(89) X(89) X(89) X(89) X(89) FT LAUDERDALE 50 10 1(11) X(11) X(11) X(11) X(11) X(11) FT LAUDERDALE 64 1 X( 1) X( 1) X( 1) X( 1) X( 1) X( 1) MIAMI FL 34 11 1(12) X(12) X(12) X(12) X(12) X(12) HOMESTEAD ARB 34 2 2( 4) X( 4) X( 4) X( 4) X( 4) X( 4) NAPLES FL 34 2 1( 3) 1( 4) X( 4) X( 4) X( 4) X( 4) FT MYERS FL 34 1 1( 2) 1( 3) X( 3) X( 3) X( 3) X( 3) VENICE FL 34 2 1( 3) 1( 4) X( 4) X( 4) X( 4) X( 4) TAMPA FL 34 1 2( 3) 2( 5) X( 5) X( 5) X( 5) X( 5) CEDAR KEY FL 34 1 1( 2) 2( 4) 1( 5) X( 5) X( 5) X( 5) GRAND BAHAMA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) GRAND BAHAMA 50 7 X( 7) X( 7) X( 7) X( 7) X( 7) X( 7) $$ FORECASTER PASCH
Summary for Tropical Storm Isaias (AT4/AL092020)
2020-08-02 04:54:56| National Hurricane Center (Atlantic)
...ISAIAS CONTINUES TO SLOWLY APPROACH THE SOUTHEAST FLORIDA COAST... As of 11:00 PM EDT Sat Aug 1 the center of Isaias was located near 25.5, -79.1 with movement NW at 9 mph. The minimum central pressure was 995 mb with maximum sustained winds of about 70 mph.
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Tropical Storm Isaias Public Advisory Number 20
2020-08-02 04:54:56| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Sat Aug 01 2020 000 WTNT34 KNHC 020254 TCPAT4 BULLETIN Tropical Storm Isaias Advisory Number 20 NWS National Hurricane Center Miami FL AL092020 1100 PM EDT Sat Aug 01 2020 ...ISAIAS CONTINUES TO SLOWLY APPROACH THE SOUTHEAST FLORIDA COAST... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...25.5N 79.1W ABOUT 80 MI...130 KM ESE OF FORT LAUDERDALE FLORIDA ABOUT 105 MI...165 KM SE OF WEST PALM BEACH FLORIDA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Boca Raton to the Volusia/Flagler County Line Florida * Bimini, the Berry Islands, and Grand Bahama Island A Storm Surge Watch is in effect for... * Jupiter Inlet to Ponte Vedra Beach Florida A Tropical Storm Warning is in effect for... * North of Ocean Reef to south of Boca Raton Florida * Lake Okeechobee * Volusia/Flagler County Line to Ponte Vedra Beach Florida A Tropical Storm Watch is in effect for... * North of Ponte Vedra Beach Florida to South Santee River South Carolina Interests elsewhere along the southeast and mid-Atlantic coasts of the United States should monitor the progress of Isaias. Additional watches or warnings may be required tonight or Sunday. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Tropical Storm Isaias was located near latitude 25.5 North, longitude 79.1 West. Isaias is moving toward the northwest near 9 mph (15 km/h). A general northwestward motion with some decrease in forward speed is expected for the next day or so, followed by a north-northwestward motion by late Sunday. A turn toward the north and north-northeast is anticipated on Monday and Tuesday with an increase in forward speed. On the forecast track, the center of Isaias will approach the southeast coast of Florida tonight and early Sunday and move near or along the east coast of Florida Sunday and Sunday night. On Monday and Tuesday, the center of Isaias will move from offshore of the coast of Georgia into the southern mid-Atlantic states. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Some restrengthening is possible, and Isaias could regain hurricane strength early Sunday. Slow weakening is expected to begin Sunday night and continue through Monday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. A Weatherflow site in Morningside Park in Miami recently reported a wind gust to 41 mph (66 km/h). An unofficial observing station on Great Harbour Cay recently reported a wind gust of 40 mph (64 km/h). The minimum central pressure estimated from Air Force Hurricane Hunter observations is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Jupiter Inlet to Ponte Vedra Beach FL...2-4 ft North Miami Beach to Jupiter Inlet FL...1-3 ft The deepest water will occur along the immediate coast near and to the right of the center, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. A dangerous storm surge will raise water levels by as much as 3 to 5 feet above normal tide levels in areas of onshore winds in the Northwestern Bahamas. WIND: Hurricane and tropical storm conditions will continue over portions of the Northwestern Bahamas through Sunday morning. Hurricane conditions are expected to reach the coast within the hurricane warning area in Florida Sunday morning and will spread northward through Sunday night. Winds are expected to first reach tropical storm strength later tonight, making outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. Tropical storm conditions are expected within the tropical storm warning area in South Florida Sunday morning. Tropical storm conditions are expected in the warning area in northeast Florida by Sunday night, and are possible in the watch area from northeast Florida to South Carolina on Monday. RAINFALL: Isaias is expected to produce the following rain accumulations: Bahamas: 4 to 8 inches, with isolated maximum totals of 12 inches. Cuba: 1 to 2 inches, with isolated maximum totals of 4 inches. Eastern Florida: 2 to 4 inches, with isolated maximum totals of 6 inches. Northeast Florida and coastal Georgia: 1 to 3 inches. Carolinas and the mid Atlantic, including the southern and central Appalachians: 2 to 5 inches, with isolated maximum totals of 7 inches. Southeast New York and much of New England: 2 to 4 inches, with isolated maximum totals of 6 inches. Heavy rainfall from Isaias could result in potentially life-threatening flash flooding in the Bahamas and flash and urban flooding along the East Coast of the United States. Minor river flooding and isolated moderate river flooding is possible across portions of the Carolinas and mid Atlantic. SURF: Swells generated by Isaias are affecting portions of Hispaniola, eastern Cuba, the Turks and Caicos, and the Bahamas. These swells will spread along the east coast of Florida and the southeastern United States coast through Sunday. 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 AM EDT. Next complete advisory at 500 AM EDT. $$ Forecaster Pasch
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Tropical Storm Isaias Forecast Advisory Number 20
2020-08-02 04:53:58| National Hurricane Center (Atlantic)
Issued at 0300 UTC SUN AUG 02 2020 014 WTNT24 KNHC 020253 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0300 UTC SUN AUG 02 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BOCA RATON TO THE VOLUSIA/FLAGLER COUNTY LINE FLORIDA * BIMINI...THE BERRY ISLANDS...AND GRAND BAHAMA ISLAND A STORM SURGE WATCH IS IN EFFECT FOR... * JUPITER INLET TO PONTE VEDRA BEACH FLORIDA A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF OCEAN REEF TO SOUTH OF BOCA RATON FLORIDA * LAKE OKEECHOBEE * VOLUSIA/FLAGLER COUNTY LINE TO PONTE VEDRA BEACH FLORIDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF PONTE VEDRA BEACH FLORIDA TO SOUTH SANTEE RIVER SOUTH CAROLINA INTERESTS ELSEWHERE ALONG THE SOUTHEAST AND MID-ATLANTIC COASTS OF THE UNITED STATES SHOULD MONITOR THE PROGRESS OF ISAIAS. ADDITIONAL WATCHES OR WARNINGS MAY BE REQUIRED TONIGHT OR SUNDAY. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE- THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS. FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT HURRICANES.GOV. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 25.5N 79.1W AT 02/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 995 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT. 50 KT....... 40NE 30SE 0SW 30NW. 34 KT.......100NE 50SE 0SW 90NW. 12 FT SEAS..150NE 45SE 0SW 90NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 25.5N 79.1W AT 02/0300Z AT 02/0000Z CENTER WAS LOCATED NEAR 25.3N 78.9W FORECAST VALID 02/1200Z 26.6N 79.9W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 70SE 30SW 100NW. FORECAST VALID 03/0000Z 28.0N 80.5W...ON COAST MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 70SE 30SW 100NW. FORECAST VALID 03/1200Z 29.7N 80.8W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 70SE 30SW 80NW. FORECAST VALID 04/0000Z 32.0N 80.0W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...100NE 80SE 30SW 80NW. FORECAST VALID 04/1200Z 35.3N 78.1W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 30SE 0SW 0NW. 34 KT...100NE 100SE 30SW 60NW. FORECAST VALID 05/0000Z 39.7N 74.8W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 50SE 0SW 0NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 06/0000Z 47.0N 66.0W...POST-TROP/INLAND MAX WIND 35 KT...GUSTS 45 KT. OUTLOOK VALID 07/0000Z 51.5N 57.5W...POST-TROP/INLAND MAX WIND 30 KT...GUSTS 40 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.5N 79.1W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 02/0600Z NEXT ADVISORY AT 02/0900Z $$ FORECASTER PASCH
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Summary for Tropical Storm Isaias (AT4/AL092020)
2020-08-02 01:41:41| National Hurricane Center (Atlantic)
...ISAIAS EXPECTED TO RE-STRENGTHEN TO A HURRICANE OVERNIGHT WHILE IT APPROACHES THE SOUTHEAST COAST OF FLORIDA... As of 8:00 PM EDT Sat Aug 1 the center of Isaias was located near 25.3, -78.9 with movement NW at 9 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 70 mph.
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