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Tropical Storm Isaias Graphics
2020-07-30 07:37:35| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 30 Jul 2020 05:37:35 GMT Wind Speed Probabilities last updated Thu, 30 Jul 2020 03:25:00 GMT
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Tropical Storm Isaias Forecast Discussion Number 7
2020-07-30 05:01:12| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Wed Jul 29 2020 991 WTNT44 KNHC 300301 TCDAT4 Tropical Storm Isaias Discussion Number 7 NWS National Hurricane Center Miami FL AL092020 1100 PM AST Wed Jul 29 2020 Observations from recent scatterometer passes over the system show that it now has a sufficiently well-defined center to be designated as a tropical cyclone. The current intensity is estimated to be 45 kt, but these winds are currently occurring over the Atlantic waters well to the north and northeast of the center. Since the cyclone is expected to move over Hispaniola on Thursday some weakening is likely within the next 24 hours. However since Isaias has such a broad wind field, the weakening will probably not be as significant as in a typical tropical cyclone with a small radius of maximum winds. Also, a re-formation of the center to the north of Hispaniola may occur. Later in the forecast period some strengthening is likely, although this may be offset by southwesterly wind shear on the order of 20 kt in 2-3 days. The official forecast is close to the intensity model consensus but well below the latest LGEM guidance. The scatterometer data show that the center of the system is south of the previously estimated track, so there is a lot of uncertainty in the initial motion estimate of 285/17 kt. Isaias should move on a west-northwestward to northwestward track on the southern and southwestern side of a mid-tropospheric ridge. In 2-3 days, the system is expected to turn north-northwestward due to a weakness in the ridge and an approaching trough. Later in the forecast period, the trough should cause Isaias to turn toward the northeast. The official track forecast is a little to the east of the previous one and a little west of the simple and corrected dynamical model consensus tracks. It should be noted that further adjustments to the forecast tracks are indeed possible, especially after Isaias moves north of Hispaniola. Key Messages: 1. Isaias will produce heavy rains and potentially life-threatening flash flooding and mudslides across the Virgin Islands, Puerto Rico, the Dominican Republic, northern Haiti, and over the southeastern Bahamas. 2. Tropical storm conditions are likely across portions of the the Virgin Islands, and Puerto Rico through tonight and will spread westward to portions of the Dominican Republic, Haiti, and the southeastern Bahamas and Turks and Caicos and the Central Bahamas on Thursday and Friday. Tropical Storm Warnings are in effect for these areas. Do not focus on the details of the track forecast, as rainfall and wind hazards will extend far from the center of the system. 3. While this system could bring some rainfall and wind impacts to portions of Cuba, the northwestern Bahamas, and Florida later this week and this weekend, it is too soon to determine the location or magnitude of those impacts. Interests there should monitor the progress of this system and updates to the forecast over the next few days. FORECAST POSITIONS AND MAX WINDS INIT 30/0300Z 15.8N 67.0W 45 KT 50 MPH 12H 30/1200Z 17.6N 69.3W 45 KT 50 MPH 24H 31/0000Z 19.4N 72.2W 40 KT 45 MPH...INLAND 36H 31/1200Z 21.4N 74.8W 45 KT 50 MPH...OVER WATER 48H 01/0000Z 22.9N 77.3W 50 KT 60 MPH 60H 01/1200Z 24.8N 79.2W 55 KT 65 MPH 72H 02/0000Z 26.6N 80.2W 55 KT 65 MPH...INLAND 96H 03/0000Z 30.0N 80.5W 55 KT 65 MPH...INLAND 120H 04/0000Z 35.0N 77.0W 50 KT 60 MPH...INLAND $$ Forecaster Pasch
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Tropical Storm Isaias Graphics
2020-07-30 04:51:20| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 30 Jul 2020 02:51:20 GMT Wind Speed Probabilities last updated Thu, 30 Jul 2020 02:51:20 GMT
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Tropical Storm Isaias Wind Speed Probabilities Number 7
2020-07-30 04:49:15| National Hurricane Center (Atlantic)
Issued at 0300 UTC THU JUL 30 2020 000 FONT14 KNHC 300249 PWSAT4 TROPICAL STORM ISAIAS WIND SPEED PROBABILITIES NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0300 UTC THU JUL 30 2020 AT 0300Z THE CENTER OF TROPICAL STORM ISAIAS WAS LOCATED NEAR LATITUDE 15.8 NORTH...LONGITUDE 67.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 45 KTS...50 MPH...85 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 THU 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 THU 12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON PERIODS TO TO TO TO TO TO TO 12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON 00Z TUE FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT MONTAUK POINT 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) ISLIP NY 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) NYC JFK AIRPRT 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) NYC CNTRL PARK 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) NEWARK NJ 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) TRENTON NJ 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) NWS EARLE NJ 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) ALLENTOWN PA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) PHILADELPHIA 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) ATLANTIC CITY 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) BALTIMORE MD 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) DOVER DE 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) ANNAPOLIS MD 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) WASHINGTON DC 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) CAPE HENLOPEN 34 X X( X) X( X) X( X) X( X) X( X) 9( 9) OCEAN CITY MD 34 X X( X) X( X) X( X) X( X) X( X) 11(11) PAX RIVER NAS 34 X X( X) X( X) X( X) X( X) X( X) 8( 8) WALLOPS CDA 34 X X( X) X( X) X( X) X( X) X( X) 12(12) CHARLOTTESVIL 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) RICHMOND VA 34 X X( X) X( X) X( X) X( X) X( X) 9( 9) DANVILLE VA 34 X X( X) X( X) X( X) X( X) 1( 1) 8( 9) NORFOLK NAS 34 X X( X) X( X) X( X) X( X) X( X) 11(11) NORFOLK NAS 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) NORFOLK VA 34 X X( X) X( X) X( X) X( X) X( X) 11(11) NORFOLK VA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) OCEANA NAS VA 34 X X( X) X( X) X( X) X( X) X( X) 12(12) OCEANA NAS VA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) ELIZABETH CTY 34 X X( X) X( X) X( X) X( X) X( X) 15(15) ELIZABETH CTY 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) GREENSBORO NC 34 X X( X) X( X) X( X) X( X) 1( 1) 8( 9) RALEIGH NC 34 X X( X) X( X) X( X) X( X) 1( 1) 11(12) ROCKY MT NC 34 X X( X) X( X) X( X) X( X) 1( 1) 14(15) ROCKY MT NC 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) CAPE HATTERAS 34 X X( X) X( X) X( X) X( X) 2( 2) 22(24) CAPE HATTERAS 50 X X( X) X( X) X( X) X( X) X( X) 6( 6) CAPE HATTERAS 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) FAYETTEVILLE 34 X X( X) X( X) X( X) X( X) 2( 2) 14(16) CHARLOTTE NC 34 X X( X) X( X) X( X) X( X) 2( 2) 7( 9) CHERRY PT NC 34 X X( X) X( X) X( X) X( X) 1( 1) 19(20) CHERRY PT NC 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) CHERRY PT NC 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) NEW RIVER NC 34 X X( X) X( X) X( X) X( X) 2( 2) 19(21) NEW RIVER NC 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) NEW RIVER NC 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) MOREHEAD CITY 34 X X( X) X( X) X( X) X( X) 4( 4) 22(26) MOREHEAD CITY 50 X X( X) X( X) X( X) X( X) X( X) 7( 7) MOREHEAD CITY 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) SURF CITY NC 34 X X( X) X( X) X( X) X( X) 5( 5) 21(26) SURF CITY NC 50 X X( X) X( X) X( X) X( X) X( X) 7( 7) SURF CITY NC 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) WILMINGTON NC 34 X X( X) X( X) X( X) X( X) 3( 3) 18(21) WILMINGTON NC 50 X X( X) X( X) X( X) X( X) X( X) 6( 6) WILMINGTON NC 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) BALD HEAD ISL 34 X X( X) X( X) X( X) 1( 1) 6( 7) 20(27) BALD HEAD ISL 50 X X( X) X( X) X( X) X( X) 1( 1) 7( 8) BALD HEAD ISL 64 X X( X) X( X) X( X) X( X) X( X) 3( 3) FLORENCE SC 34 X X( X) X( X) X( X) X( X) 4( 4) 12(16) COLUMBIA SC 34 X X( X) X( X) X( X) 1( 1) 3( 4) 7(11) LITTLE RIVER 34 X X( X) X( X) X( X) 1( 1) 7( 8) 18(26) LITTLE RIVER 50 X X( X) X( X) X( X) X( X) 1( 1) 6( 7) LITTLE RIVER 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) MYRTLE BEACH 34 X X( X) X( X) X( X) 1( 1) 8( 9) 18(27) MYRTLE BEACH 50 X X( X) X( X) X( X) X( X) 1( 1) 5( 6) MYRTLE BEACH 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) GEORGETOWN SC 34 X X( X) X( X) X( X) 1( 1) 5( 6) 14(20) GEORGETOWN SC 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) CHARLESTON SC 34 X X( X) X( X) X( X) 2( 2) 11(13) 14(27) CHARLESTON SC 50 X X( X) X( X) X( X) X( X) 2( 2) 4( 6) CHARLESTON SC 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) BEAUFORT MCAS 34 X X( X) X( X) X( X) 2( 2) 14(16) 11(27) BEAUFORT MCAS 50 X X( X) X( X) X( X) X( X) 2( 2) 3( 5) ATLANTA GA 34 X X( X) X( X) X( X) X( X) 3( 3) 2( 5) AUGUSTA GA 34 X X( X) X( X) X( X) 1( 1) 5( 6) 5(11) SAVANNAH GA 34 X X( X) X( X) X( X) 2( 2) 11(13) 6(19) SAVANNAH GA 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) KINGS BAY GA 34 X X( X) X( X) X( X) 8( 8) 18(26) 6(32) KINGS BAY GA 50 X X( X) X( X) X( X) 1( 1) 5( 6) 1( 7) KINGS BAY GA 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) WAYCROSS GA 34 X X( X) X( X) X( X) 4( 4) 12(16) 4(20) WAYCROSS GA 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) MAYPORT NS FL 34 X X( X) X( X) X( X) 10(10) 20(30) 6(36) MAYPORT NS FL 50 X X( X) X( X) X( X) 1( 1) 6( 7) 1( 8) MAYPORT NS FL 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) JACKSONVILLE 34 X X( X) X( X) X( X) 6( 6) 15(21) 4(25) JACKSONVILLE 50 X X( X) X( X) X( X) 1( 1) 3( 4) 1( 5) GAINESVILLE FL 34 X X( X) X( X) X( X) 7( 7) 17(24) 2(26) GAINESVILLE FL 50 X X( X) X( X) X( X) 1( 1) 4( 5) 1( 6) DAYTONA BEACH 34 X X( X) X( X) X( X) 14(14) 18(32) 3(35) DAYTONA BEACH 50 X X( X) X( X) X( X) 1( 1) 6( 7) 1( 8) DAYTONA BEACH 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) THE VILLAGES 34 X X( X) X( X) X( X) 12(12) 17(29) 2(31) THE VILLAGES 50 X X( X) X( X) X( X) 1( 1) 5( 6) 1( 7) THE VILLAGES 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) ORLANDO FL 34 X X( X) X( X) X( X) 18(18) 15(33) 3(36) ORLANDO FL 50 X X( X) X( X) X( X) 3( 3) 5( 8) 1( 9) ORLANDO FL 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2) COCOA BEACH FL 34 X X( X) X( X) X( X) 29(29) 15(44) 2(46) COCOA BEACH FL 50 X X( X) X( X) X( X) 6( 6) 6(12) 1(13) COCOA BEACH FL 64 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3) PATRICK AFB 34 X X( X) X( X) X( X) 29(29) 15(44) 2(46) PATRICK AFB 50 X X( X) X( X) X( X) 6( 6) 6(12) X(12) PATRICK AFB 64 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3) FT PIERCE FL 34 X X( X) X( X) X( X) 35(35) 12(47) 1(48) FT PIERCE FL 50 X X( X) X( X) X( X) 8( 8) 6(14) X(14) FT PIERCE FL 64 X X( X) X( X) X( X) 2( 2) 2( 4) X( 4) W PALM BEACH 34 X X( X) X( X) 1( 1) 40(41) 8(49) 1(50) W PALM BEACH 50 X X( X) X( X) X( X) 11(11) 4(15) 1(16) W PALM BEACH 64 X X( X) X( X) X( X) 3( 3) 1( 4) X( 4) FT LAUDERDALE 34 X X( X) X( X) 2( 2) 40(42) 8(50) X(50) FT LAUDERDALE 50 X X( X) X( X) X( X) 13(13) 3(16) X(16) FT LAUDERDALE 64 X X( X) X( X) X( X) 3( 3) 1( 4) X( 4) MIAMI FL 34 X X( X) X( X) 1( 1) 28(29) 6(35) X(35) MIAMI FL 50 X X( X) X( X) X( X) 8( 8) 3(11) X(11) MIAMI FL 64 X X( X) X( X) X( X) 3( 3) X( 3) X( 3) HOMESTEAD ARB 34 X X( X) X( X) 1( 1) 25(26) 6(32) 1(33) HOMESTEAD ARB 50 X X( X) X( X) X( X) 8( 8) 2(10) X(10) HOMESTEAD ARB 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) MARATHON FL 34 X X( X) X( X) 1( 1) 19(20) 5(25) 1(26) MARATHON FL 50 X X( X) X( X) X( X) 5( 5) 1( 6) X( 6) MARATHON FL 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) KEY WEST FL 34 X X( X) X( X) X( X) 12(12) 4(16) 1(17) KEY WEST FL 50 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) NAPLES FL 34 X X( X) X( X) X( X) 22(22) 10(32) 1(33) NAPLES FL 50 X X( X) X( X) X( X) 4( 4) 4( 8) X( 8) NAPLES FL 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2) FT MYERS FL 34 X X( X) X( X) X( X) 17(17) 10(27) 1(28) FT MYERS FL 50 X X( X) X( X) X( X) 3( 3) 3( 6) X( 6) FT MYERS FL 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2) VENICE FL 34 X X( X) X( X) X( X) 16(16) 12(28) 1(29) VENICE FL 50 X X( X) X( X) X( X) 3( 3) 3( 6) 1( 7) VENICE FL 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) TAMPA FL 34 X X( X) X( X) X( X) 16(16) 15(31) 1(32) TAMPA FL 50 X X( X) X( X) X( X) 2( 2) 4( 6) 1( 7) TAMPA FL 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) CEDAR KEY FL 34 X X( X) X( X) X( X) 8( 8) 16(24) 1(25) CEDAR KEY FL 50 X X( X) X( X) X( X) 1( 1) 4( 5) 1( 6) TALLAHASSEE FL 34 X X( X) X( X) X( X) 3( 3) 6( 9) 2(11) ST MARKS FL 34 X X( X) X( X) X( X) 3( 3) 7(10) 1(11) APALACHICOLA 34 X X( X) X( X) X( X) 3( 3) 7(10) X(10) GFMX 290N 850W 34 X X( X) X( X) X( X) 3( 3) 7(10) 1(11) PANAMA CITY FL 34 X X( X) X( X) X( X) 2( 2) 5( 7) 1( 8) DESTIN EXEC AP 34 X X( X) X( X) X( X) X( X) 3( 3) 1( 4) COLUMBUS GA 34 X X( X) X( X) X( X) 1( 1) 3( 4) 1( 5) WHITING FLD FL 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) PENSACOLA FL 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) GFMX 290N 870W 34 X X( X) X( X) X( X) 1( 1) 3( 4) X( 4) GRAND BAHAMA 34 X X( X) X( X) 2( 2) 38(40) 6(46) X(46) GRAND BAHAMA 50 X X( X) X( X) X( X) 9( 9) 2(11) 1(12) GRAND BAHAMA 64 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) NEW PROVIDENCE 34 X X( X) 1( 1) 14(15) 26(41) 2(43) X(43) NEW PROVIDENCE 50 X X( X) X( X) 2( 2) 8(10) 1(11) X(11) NEW PROVIDENCE 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2) ANDROS 34 X X( X) 1( 1) 30(31) 21(52) 1(53) X(53) ANDROS 50 X X( X) X( X) 7( 7) 11(18) 1(19) X(19) ANDROS 64 X X( X) X( X) 1( 1) 3( 4) X( 4) X( 4) GREAT EXUMA 34 X 1( 1) 10(11) 31(42) 4(46) 1(47) X(47) GREAT EXUMA 50 X X( X) 1( 1) 8( 9) 1(10) X(10) X(10) GREAT EXUMA 64 X X( X) X( X) 1( 1) X( 1) X( 1) X( 1) SAN SALVADOR 34 X 1( 1) 10(11) 8(19) 2(21) 1(22) X(22) MAYAGUANA 34 X 12(12) 29(41) 2(43) X(43) X(43) X(43) GRAND TURK 34 2 36(38) 8(46) X(46) X(46) X(46) X(46) HAVANA 34 X X( X) X( X) X( X) 4( 4) 2( 6) X( 6) ISLE OF PINES 34 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) CIENFUEGOS 34 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) CAMAGUEY 34 X X( X) X( X) 2( 2) 2( 4) X( 4) X( 4) GUANTANAMO BAY 34 X 2( 2) 4( 6) X( 6) X( 6) X( 6) X( 6) LES CAYES 34 X 2( 2) 1( 3) X( 3) X( 3) X( 3) X( 3) PORT-AU-PRINCE 34 2 19(21) 1(22) X(22) X(22) X(22) X(22) CAPE BEATA 34 5 7(12) 1(13) X(13) X(13) X(13) X(13) PUERTO PLATA 34 14 66(80) X(80) X(80) X(80) X(80) X(80) SANTO DOMINGO 34 94 2(96) X(96) X(96) X(96) X(96) X(96) SANTO DOMINGO 50 2 3( 5) X( 5) X( 5) X( 5) X( 5) X( 5) PONCE PR 34 99 X(99) X(99) X(99) X(99) X(99) X(99) AGUADILLA PR 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAN JUAN PR 34 99 X(99) X(99) X(99) X(99) X(99) X(99) VIEQUES PR 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAINT THOMAS 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAINT CROIX 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAINT MAARTEN 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SABA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) PENSACOLA NAS 34 X X( X) X( X) X( X) X( X) 3( 3) X( 3) $$ FORECASTER PASCH
Summary for Tropical Storm Isaias (AT4/AL092020)
2020-07-30 04:48:45| National Hurricane Center (Atlantic)
...DISTURBANCE BECOMES TROPICAL STORM ISAIAS (PRONOUNCED ees-ah-EE-ahs)... As of 11:00 PM AST Wed Jul 29 the center of Isaias was located near 15.8, -67.0 with movement WNW at 20 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 50 mph.
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