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Hurricane Sally Forecast Advisory Number 13
2020-09-14 18:30:03| National Hurricane Center (Atlantic)
Issued at 1630 UTC MON SEP 14 2020 000 WTNT24 KNHC 141629 TCMAT4 HURRICANE SALLY SPECIAL FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192020 1630 UTC MON SEP 14 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 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 ALABAMA/FLORIDA BORDER * LAKE PONTCHARTRAIN AND LAKE MAUREPAS INCLUDING METROPOLITAN NEW ORLEANS A TROPICAL STORM WARNING IS IN EFFECT FOR... * ALABAMA/FLORIDA BORDER TO INDIAN PASS FLORIDA * INTRACOASTAL CITY LOUISIANA TO WEST OF MORGAN CITY 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 TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. HURRICANE CENTER LOCATED NEAR 28.7N 87.0W AT 14/1630Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 986 MB MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT. 64 KT....... 20NE 15SE 0SW 15NW. 50 KT....... 50NE 30SE 0SW 30NW. 34 KT.......110NE 110SE 20SW 100NW. 12 FT SEAS..120NE 90SE 60SW 100NW. 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 28.7N 87.0W AT 14/1630Z AT 14/1200Z CENTER WAS LOCATED NEAR 28.4N 86.9W FORECAST VALID 15/0000Z 28.8N 87.8W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 20NE 15SE 0SW 0NW. 50 KT... 50NE 30SE 0SW 40NW. 34 KT...110NE 110SE 30SW 100NW. FORECAST VALID 15/1200Z 29.2N 88.8W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 50NE 40SE 20SW 30NW. 34 KT...110NE 100SE 50SW 80NW. FORECAST VALID 16/0000Z 29.8N 89.1W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 20NE 15SE 10SW 15NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 90NE 90SE 50SW 60NW. FORECAST VALID 16/1200Z 30.8N 88.7W...INLAND MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 30NE 30SE 10SW 10NW. 34 KT... 60NE 90SE 40SW 40NW. FORECAST VALID 17/0000Z 31.8N 87.7W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 17/1200Z 32.6N 86.5W...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 18/1200Z 33.1N 84.0W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. OUTLOOK VALID 19/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.7N 87.0W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 14/1800Z NEXT ADVISORY AT 14/2100Z $$ FORECASTER BROWN
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