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Summary for Post-Tropical Cyclone Gert (AT3/AL082017)
2017-08-17 22:38:25| National Hurricane Center (Atlantic)
...GERT BECOMES A POST-TROPICAL CYCLONE... ...THIS IS THE LAST ADVISORY... As of 5:00 PM AST Thu Aug 17 the center of Gert was located near 44.8, -46.0 with movement ENE at 39 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 65 mph.
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Post-Tropical Cyclone Gert Public Advisory Number 20
2017-08-17 22:38:25| National Hurricane Center (Atlantic)
Issued at 500 PM AST Thu Aug 17 2017 000 WTNT33 KNHC 172038 TCPAT3 BULLETIN Post-Tropical Cyclone Gert Advisory Number 20 NWS National Hurricane Center Miami FL AL082017 500 PM AST Thu Aug 17 2017 ...GERT BECOMES A POST-TROPICAL CYCLONE... ...THIS IS THE LAST ADVISORY... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...44.8N 46.0W ABOUT 860 MI...1390 KM E OF HALIFAX NOVA SCOTIA ABOUT 365 MI...590 KM ESE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 39 MPH...63 KM/H MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the center of Post-Tropical Cyclone Gert was located near latitude 44.8 North, longitude 46.0 West. The post-tropical cyclone is moving toward the east-northeast near 39 mph (63 km/h). Gert should move quickly toward the northeast for a day or so, before slowing and merging with another low pressure system over the weekend. Maximum sustained winds have decreased to near 65 mph (100 km/h) with higher gusts. Additional weakening is forecast during the next 36 to 48 hours. Tropical-storm-force winds extend outward up to 230 miles (370 km) from the center. The estimated minimum central pressure is 985 mb (29.09 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Gert will continue to affect the coast of the northeastern United States and Atlantic Canada through tonight. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather forecast office. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and available on the Web at http://www.opc.ncep.noaa.gov/shtml/NFDHSFAT1.shtml. $$ Forecaster Zelinsky
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Post-Tropical Cyclone Gert Forecast Advisory Number 20
2017-08-17 22:37:57| National Hurricane Center (Atlantic)
Issued at 2100 UTC THU AUG 17 2017 000 WTNT23 KNHC 172037 TCMAT3 POST-TROPICAL CYCLONE GERT FORECAST/ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082017 2100 UTC THU AUG 17 2017 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 44.8N 46.0W AT 17/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 34 KT ESTIMATED MINIMUM CENTRAL PRESSURE 985 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 40NE 60SE 0SW 0NW. 34 KT.......120NE 200SE 120SW 20NW. 12 FT SEAS..180NE 120SE 660SW 90NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 44.8N 46.0W AT 17/2100Z AT 17/1800Z CENTER WAS LOCATED NEAR 44.0N 48.0W FORECAST VALID 18/0600Z 47.8N 40.5W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...180NE 240SE 120SW 90NW. FORECAST VALID 18/1800Z 50.6N 36.2W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. 34 KT...180NE 180SE 120SW 120NW. FORECAST VALID 19/0600Z 52.5N 35.0W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...210NE 120SE 60SW 150NW. FORECAST VALID 19/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 44.8N 46.0W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER ZELINSKY
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Potential Tropical Cyclone Nine Graphics
2017-08-17 20:18:04| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 17 Aug 2017 18:18:04 GMT Wind Speed Probabilities last updated Thu, 17 Aug 2017 15:29:30 GMT
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Summary for Potential Tropical Cyclone Nine (AT4/AL092017)
2017-08-17 20:13:44| National Hurricane Center (Atlantic)
...HURRICANE HUNTER AIRCRAFT ENROUTE TO INVESTIGATE THE DISTURBANCE... As of 2:00 PM AST Thu Aug 17 the center of Nine was located near 13.1, -55.1 with movement W at 17 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.
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