000 WTNT21 KNHC 090258 TCMAT1 HURRICANE IRMA FORECAST/ADVISORY NUMBER 40 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 0300 UTC SAT SEP 09 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNING HAS BEEN EXTENDED NORTHWARD ON THE EAST COAST OF FLORIDA TO THE VOLUSIA/BREVARD COUNTY LINE AND ON THE WEST COAST OF FLORIDA TO ANCLOTE RIVER... INCLUDING TAMPA BAY. THE HURRICANE WARNING HAS BEEN EXTENDED NORTHWARD ON THE EAST COAST OF FLORIDA TO THE VOLUSIA/BREVARD COUNTY LINE AND ON THE WEST COAST OF FLORIDA TO ANCLOTE RIVER. THE STORM SURGE WATCH HAS BEEN EXTENDED NORTHWARD ON THE WEST COAST OF FLORIDA TO SUWANEE RIVER. THE HURRICANE WATCH HAS BEEN EXTENDED NORTHWARD ON THE EAST COAST OF FLORIDA TO FERNANDINA BEACH AND ON THE WEST COAST OF FLORIDA TO INDIAN PASS. THE GOVERNMENT OF CUBA HAS UPGRADED THE HURRICANE WATCH FOR THE PROVINCE OF MATANZAS TO A HURRICANE WARNING. A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE PROVINCES OF LA HABANA AND CIUDAD DE LA HABANA. THE HURRICANE WATCH AND TROPICAL STORM WARNING FOR GUANTANAMO HAVE BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * VOLUSIA/BREVARD COUNTY LINE SOUTHWARD AROUND THE FLORIDA PENINSULA TO ANCLOTE RIVER * FLORIDA KEYS * TAMPA BAY A STORM SURGE WATCH IS IN EFFECT FOR... * NORTH OF THE VOLUSIA/BREVARD COUNTY LINE TO THE FLAGLER/VOLUSIA COUNTY LINE * NORTH OF ANCLOTE RIVER TO SUWANNEE RIVER A HURRICANE WARNING IS IN EFFECT FOR... * VOLUSIA/BREVARD COUNTY LINE SOUTHWARD AROUND THE FLORIDA PENINSULA TO ANCLOTE RIVER * FLORIDA KEYS * LAKE OKEECHOBEE * FLORIDA BAY * CUBAN PROVINCES OF CAMAGUEY... CIEGO DE AVILA... SANCTI SPIRITUS... VILLA CLARA... AND MATANZAS * CENTRAL BAHAMAS AND RAGGED ISLAND * NORTHWESTERN BAHAMAS A HURRICANE WATCH IS IN EFFECT FOR... * NORTH OF THE VOLUSIA/BREVARD COUNTY LINE TO FERNANDINA BEACH * NORTH AND WEST OF ANCLOTE RIVER TO INDIAN PASS * CUBAN PROVINCES OF HOLGUIN AND LAS TUNAS A TROPICAL STORM WARNING IS IN EFFECT FOR... * CUBAN PROVINCES OF HOLGUIN... LAS TUNAS... LA HABANA... AND CIUDAD DE LA HABANA 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 STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE- THREATENING INUNDATION... FROM RISING WATER MOVING INLAND FROM THE COASTLINE... IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS. FOR A DEPICTION OF AREAS AT RISK... PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC... AVAILABLE AT HURRICANES.GOV. 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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. INTERESTS ELSEWHERE IN CUBA... FLORIDA... AND THE SOUTHEASTERN UNITED STATES SHOULD MONITOR THE PROGRESS OF IRMA. HURRICANE CENTER LOCATED NEAR 22.1N 77.7W AT 09/0300Z POSITION ACCURATE WITHIN 10 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 924 MB EYE DIAMETER 30 NM MAX SUSTAINED WINDS 140 KT WITH GUSTS TO 170 KT. 64 KT....... 60NE 60SE 30SW 60NW. 50 KT.......100NE 90SE 50SW 80NW. 34 KT.......160NE 120SE 80SW 150NW. 12 FT SEAS..420NE 30SE 30SW 30NW. 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 22.1N 77.7W AT 09/0300Z AT 09/0000Z CENTER WAS LOCATED NEAR 22.1N 77.2W FORECAST VALID 09/1200Z 22.6N 79.1W MAX WIND 140 KT...GUSTS 170 KT. 64 KT... 60NE 60SE 30SW 60NW. 50 KT...100NE 90SE 50SW 80NW. 34 KT...160NE 130SE 90SW 160NW. FORECAST VALID 10/0000Z 23.3N 80.6W MAX WIND 135 KT...GUSTS 165 KT. 64 KT... 60NE 60SE 30SW 60NW. 50 KT...110NE 100SE 60SW 90NW. 34 KT...170NE 140SE 110SW 170NW. FORECAST VALID 10/1200Z 24.5N 81.4W MAX WIND 130 KT...GUSTS 160 KT. 64 KT... 70NE 70SE 40SW 60NW. 50 KT...110NE 110SE 70SW 100NW. 34 KT...200NE 170SE 120SW 200NW. FORECAST VALID 11/0000Z 26.5N 81.9W...INLAND MAX WIND 115 KT...GUSTS 140 KT. 50 KT...130NE 120SE 90SW 110NW. 34 KT...240NE 200SE 140SW 240NW. FORECAST VALID 12/0000Z 31.6N 83.8W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 60SE 0SW 0NW. 34 KT...240NE 180SE 100SW 100NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 13/0000Z 35.0N 87.0W...INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 14/0000Z 35.5N 87.5W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.1N 77.7W NEXT ADVISORY AT 09/0900Z $$ FORECASTER BERG