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Hurricane Sally Forecast Advisory Number 21
2020-09-16 10:53:53| National Hurricane Center (Atlantic)
Issued at 0900 UTC WED SEP 16 2020 000 WTNT24 KNHC 160853 TCMAT4 HURRICANE SALLY FORECAST/ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192020 0900 UTC WED SEP 16 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WARNING HAS BEEN REPLACED WITH A TROPICAL STORM WARNING FROM THE MISSISSIPPI/ALABAMA BORDER WESTWARD TO THE MOUTH OF THE PEARL RIVER. THE TROPICAL STORM WARNING WEST OF THE MOUTH OF THE PEARL RIVER HAS BEEN DISCONTINUED. THE STORM SURGE WARNING HAS BEEN DISCONTINUED FROM THE MISSISSIPPI/ALABAMA BORDER TO FORT MORGAN...INCLUDING PORTIONS OF MOBILE BAY. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * FORT MORGAN ALABAMA TO THE WALTON/BAY COUNTY LINE FLORIDA A HURRICANE WARNING IS IN EFFECT FOR... * MISSISSIPPI/ALABAMA BORDER TO THE OKALOOSA/WALTON COUNTY LINE FLORIDA A TROPICAL STORM WARNING IS IN EFFECT FOR... * EAST OF THE OKALOOSA/WALTON COUNTY LINE FLORIDA TO INDIAN PASS FLORIDA * MISSISSIPPI/ALABAMA BORDER TO THE MOUTH OF THE PEARL RIVER A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE... DURING THE NEXT 12 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 OCCURRING SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD HAVE BEEN COMPLETED. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE OCCURRING WITHIN THE WARNING AREA. HURRICANE CENTER LOCATED NEAR 30.1N 87.7W AT 16/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 3 KT ESTIMATED MINIMUM CENTRAL PRESSURE 965 MB EYE DIAMETER 30 NM MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT. 64 KT....... 35NE 25SE 0SW 25NW. 50 KT....... 70NE 50SE 30SW 50NW. 34 KT.......110NE 110SE 80SW 80NW. 12 FT SEAS.. 75NE 135SE 90SW 45NW. 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 30.1N 87.7W AT 16/0900Z AT 16/0600Z CENTER WAS LOCATED NEAR 29.9N 87.8W FORECAST VALID 16/1800Z 30.7N 87.2W...INLAND MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 35NE 20SE 0SW 15NW. 50 KT... 60NE 40SE 20SW 30NW. 34 KT...110NE 110SE 80SW 70NW. FORECAST VALID 17/0600Z 31.5N 86.3W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 70NE 100SE 60SW 50NW. FORECAST VALID 17/1800Z 32.6N 84.7W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 18/0600Z 33.5N 82.4W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 18/1800Z 34.1N 79.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 19/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.1N 87.7W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 16/1200Z NEXT ADVISORY AT 16/1500Z $$ FORECASTER STEWART
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