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Tropical Storm Karina Public Advisory Number 6
2020-09-14 10:47:25| National Hurricane Center (East Pacific)
Issued at 200 AM PDT Mon Sep 14 2020 000 WTPZ31 KNHC 140847 TCPEP1 BULLETIN Tropical Storm Karina Advisory Number 6 NWS National Hurricane Center Miami FL EP162020 200 AM PDT Mon Sep 14 2020 ...KARINA JOGS WESTWARD WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...17.9N 118.2W ABOUT 640 MI...1025 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 AM PDT (0900 UTC), the center of Tropical Storm Karina was located near latitude 17.9 North, longitude 118.2 West. Karina is moving toward the west near 13 mph (20 km/h). A turn toward the northwest is expected by tonight, with this motion continuing for the next few days. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Some slight strengthening is forecast in the next 24 hours, with gradual weakening expected to begin on Tuesday. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 800 AM PDT. $$ Forecaster Beven
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Tropical Storm Karina Forecast Advisory Number 6
2020-09-14 10:47:25| National Hurricane Center (East Pacific)
Issued at 0900 UTC MON SEP 14 2020 000 WTPZ21 KNHC 140847 TCMEP1 TROPICAL STORM KARINA FORECAST/ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL EP162020 0900 UTC MON SEP 14 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 17.9N 118.2W AT 14/0900Z POSITION ACCURATE WITHIN 35 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 30NE 100SE 130SW 0NW. 12 FT SEAS..180NE 150SE 120SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 17.9N 118.2W AT 14/0900Z AT 14/0600Z CENTER WAS LOCATED NEAR 17.8N 117.8W FORECAST VALID 14/1800Z 18.4N 119.3W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 40NE 90SE 110SW 0NW. FORECAST VALID 15/0600Z 19.3N 120.5W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 50NE 80SE 80SW 40NW. FORECAST VALID 15/1800Z 20.2N 121.8W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 70SE 60SW 60NW. FORECAST VALID 16/0600Z 21.3N 123.2W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 60SE 60SW 60NW. FORECAST VALID 16/1800Z 22.0N 124.6W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 17/0600Z 22.6N 125.7W MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 18/0600Z 23.0N 127.5W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 19/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.9N 118.2W NEXT ADVISORY AT 14/1500Z $$ FORECASTER BEVEN
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Tropical Storm Karina Wind Speed Probabilities Number 6
2020-09-14 10:47:25| National Hurricane Center (East Pacific)
Issued at 0900 UTC MON SEP 14 2020 000 FOPZ11 KNHC 140847 PWSEP1 TROPICAL STORM KARINA WIND SPEED PROBABILITIES NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL EP162020 0900 UTC MON SEP 14 2020 AT 0900Z THE CENTER OF TROPICAL STORM KARINA WAS LOCATED NEAR LATITUDE 17.9 NORTH...LONGITUDE 118.2 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 40 KTS...45 MPH...75 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 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 MON 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 MON 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI PERIODS TO TO TO TO TO TO TO 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI 06Z SAT FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 20N 120W 34 1 25(26) 8(34) X(34) X(34) X(34) X(34) 20N 120W 50 X 4( 4) 2( 6) X( 6) X( 6) X( 6) X( 6) 20N 120W 64 X 1( 1) X( 1) X( 1) X( 1) X( 1) X( 1) 20N 125W 34 X 1( 1) 1( 2) 4( 6) 3( 9) X( 9) X( 9) 25N 125W 34 X X( X) X( X) 1( 1) 2( 3) 2( 5) X( 5) $$ FORECASTER BEVEN
Summary for Tropical Storm Sally (AT4/AL192020)
2020-09-14 07:35:22| National Hurricane Center (Atlantic)
...SALLY FORECAST TO PRODUCE LIFE-THREATENING STORM SURGE, HURRICANE-FORCE WINDS, AND HEAVY RAINFALL ALONG PORTIONS OF THE NORTHERN GULF COAST STARTING LATER TODAY... As of 1:00 AM CDT Mon Sep 14 the center of Sally was located near 28.1, -86.9 with movement W at 12 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 60 mph.
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Tropical Storm Sally Public Advisory Number 10A
2020-09-14 07:35:22| National Hurricane Center (Atlantic)
Issued at 100 AM CDT Mon Sep 14 2020 000 WTNT34 KNHC 140535 TCPAT4 BULLETIN Tropical Storm Sally Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL192020 100 AM CDT Mon Sep 14 2020 ...SALLY FORECAST TO PRODUCE LIFE-THREATENING STORM SURGE, HURRICANE-FORCE WINDS, AND HEAVY RAINFALL ALONG PORTIONS OF THE NORTHERN GULF COAST STARTING LATER TODAY... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...28.1N 86.9W ABOUT 165 MI...265 KM S OF PENSACOLA FLORIDA ABOUT 150 MI...240 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Fourchon Louisiana to the Alabama/Florida Border * Lake Pontchartrain, Lake Maurepas, and Lake Borgne * Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Mississippi/Alabama Border * Lake Pontchartrain and Lake Maurepas including metropolitan New Orleans A Tropical Storm Warning is in effect for... * Mississippi/Alabama Border to Indian Pass Florida * Intracoastal City Louisiana to west of Morgan City A Hurricane Watch is in effect for... * Mississippi/Alabama Border to the Alabama/Florida Border A Tropical Storm Watch is in effect for... * Indian Pass to Ochlockonee River Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. 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 Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 AM CDT (0600 UTC), the center of Tropical Storm Sally was located near latitude 28.1 North, longitude 86.9 West. Sally is moving toward the west near 12 mph (19 km/h). A slower west- northwestward motion is expected soon, followed by a further decrease in forward speed and a turn to the northwest tonight and Tuesday. On the forecast track, the center of Sally will move over the north-central Gulf of Mexico today, and approach the northern Gulf Coast within the hurricane warning area tonight and on Tuesday. Sally is expected to move slowly northward near the northern Gulf Coast through Wednesday. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is expected over the next day or so, and Sally is forecast to become a hurricane by tonight, with additional strengthening possible before the center crosses the northern Gulf Coast. Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center. The estimated minimum central pressure based on data from the Air Force Hurricane Hunters is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and 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... Mouth of the Mississippi River to Ocean Springs including Lake Borgne...7-11 ft Ocean Springs to MS/AL Border...4-7 ft Port Fourchon to Mouth of the Mississippi River...4-6 ft Lake Pontchartrain and Lake Maurepas...4-6 ft MS/AL Border to AL/FL Border including Mobile Bay...3-5 ft Burns Point to Port Fourchon...1-3 ft AL/FL Border to Chassahowitzka including Pensacola Bay, Choctawhatchee Bay, and Saint Andrew Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and damaging 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. WIND: Hurricane conditions are expected within the hurricane warning area starting late today. Tropical storm conditions are possible within the watch area during the next few hours, and are expected within the warning area beginning this morning. RAINFALL: Sally is expected to be a slow moving system resulting in significant flash flooding for the central Gulf Coast today into Wednesday. Sally is expected to produce rainfall of 8 to 16 inches with isolated amounts of 24 inches over portions of the central Gulf Coast from the western Florida Panhandle to southeast Louisiana through the middle of the week. This rainfall will likely result in new widespread minor to isolated major flooding on area rivers. Sally is forecast to turn inland early Wednesday and track into the Southeast with rainfall of 5 to 10 inches possible across much of inland Mississippi and Alabama. Flash and urban flooding is possible, as well as widespread minor to moderate flooding on some rivers in Mississippi and Alabama. Further heavy rain is then anticipated across portions of Tennessee, northern Georgia and western North Carolina. Flash, urban, and minor river flooding is possible across this region. Outer bands of Sally are expected to produce additional rainfall of 1 to 3 inches across central and northern Florida through today. This rainfall may produce flash and urban flooding and prolong high flows and ongoing minor flooding on rivers across central Florida. TORNADOES: The risk of isolated tornadoes will begin to increase this afternoon and continue through Tuesday over parts of the western Florida Panhandle, southern Alabama, southern Mississippi, and southeast Louisiana. SURF: Swells from Sally are affecting the west coast of the Florida peninsula, the coast of the Florida Panhandle, and will be spreading northwestward along the northern Gulf coast through today. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 AM CDT. $$ Forecaster Blake
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