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Tropical Storm Beta Forecast Advisory Number 15
2020-09-21 10:40:11| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON SEP 21 2020 000 WTNT22 KNHC 210840 TCMAT2 TROPICAL STORM BETA FORECAST/ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL222020 0900 UTC MON SEP 21 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * PORT ARANSAS...TEXAS TO ROCKEFELLER WILDLIFE REFUGE...LOUISIANA...INCLUDING COPANO BAY...ARANSAS BAY...SAN ANTONIO BAY...MATAGORDA BAY... GALVESTON BAY...SABINE LAKE...AND LAKE CALCASIEU A TROPICAL STORM WARNING IS IN EFFECT FOR... * PORT ARANSAS TEXAS TO MORGAN CITY LOUISIANA A TROPICAL STORM WATCH IS IN EFFECT FOR... * BAFFIN BAY TO PORT ARANSAS TEXAS 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 TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 36 HOURS. TROPICAL STORM CENTER LOCATED NEAR 27.7N 95.1W AT 21/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......150NE 0SE 40SW 120NW. 12 FT SEAS.. 90NE 60SE 120SW 120NW. 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 27.7N 95.1W AT 21/0900Z AT 21/0600Z CENTER WAS LOCATED NEAR 27.6N 94.8W FORECAST VALID 21/1800Z 28.0N 96.0W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 0SE 30SW 70NW. FORECAST VALID 22/0600Z 28.4N 96.6W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 80NE 0SE 0SW 60NW. FORECAST VALID 22/1800Z 28.7N 96.5W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 60SE 0SW 0NW. FORECAST VALID 23/0600Z 28.9N 95.8W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 23/1800Z 29.4N 94.7W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 24/0600Z 30.2N 93.2W...INLAND MAX WIND 25 KT...GUSTS 35 KT. 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 25/0600Z 32.8N 90.5W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. OUTLOOK VALID 26/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.7N 95.1W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 21/1200Z NEXT ADVISORY AT 21/1500Z $$ FORECASTER CANGIALOSI
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