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Summary for Tropical Storm Gabrielle (AT3/AL082019)
2019-09-07 22:34:27| National Hurricane Center (Atlantic)
...GABRIELLE MOVING WEST-NORTHWESTWARD WITH NO CHANGE IN STRENGTH... As of 5:00 PM AST Sat Sep 7 the center of Gabrielle was located near 31.9, -46.5 with movement WNW at 18 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 50 mph.
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Tropical Storm Gabrielle Public Advisory Number 18
2019-09-07 22:34:27| National Hurricane Center (Atlantic)
Issued at 500 PM AST Sat Sep 07 2019 000 WTNT33 KNHC 072034 TCPAT3 BULLETIN Tropical Storm Gabrielle Advisory Number 18 NWS National Hurricane Center Miami FL AL082019 500 PM AST Sat Sep 07 2019 ...GABRIELLE MOVING WEST-NORTHWESTWARD WITH NO CHANGE IN STRENGTH... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...31.9N 46.5W ABOUT 1180 MI...1895 KM WSW OF THE AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Tropical Storm Gabrielle was located near latitude 31.9 North, longitude 46.5 West. Gabrielle is moving toward the west-northwest near 18 mph (30 km/h). The storm is forecast to recurve over the central Atlantic during the next day or two and then accelerate northeastward into the north Atlantic Monday and Tuesday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Some strengthening is forecast during the next couple of days. Gabrielle is forecast to become an extratropical low and begin weakening on Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Berg
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Tropical Storm Gabrielle Forecast Advisory Number 18
2019-09-07 22:34:27| National Hurricane Center (Atlantic)
Issued at 2100 UTC SAT SEP 07 2019 000 WTNT23 KNHC 072034 TCMAT3 TROPICAL STORM GABRIELLE FORECAST/ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082019 2100 UTC SAT SEP 07 2019 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 31.9N 46.5W AT 07/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 16 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......100NE 20SE 50SW 90NW. 12 FT SEAS..240NE 120SE 120SW 120NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 31.9N 46.5W AT 07/2100Z AT 07/1800Z CENTER WAS LOCATED NEAR 31.5N 45.8W FORECAST VALID 08/0600Z 32.9N 48.3W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 0SE 0SW 0NW. 34 KT... 90NE 30SE 60SW 70NW. FORECAST VALID 08/1800Z 34.9N 49.4W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 30SE 0SW 0NW. 34 KT... 90NE 60SE 60SW 60NW. FORECAST VALID 09/0600Z 37.7N 48.7W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 40SE 0SW 0NW. 34 KT... 90NE 80SE 70SW 60NW. FORECAST VALID 09/1800Z 40.8N 45.6W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 50SE 40SW 0NW. 34 KT... 90NE 90SE 90SW 60NW. FORECAST VALID 10/1800Z 46.0N 33.5W...POST-TROP/EXTRATROP MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 50SE 30SW 0NW. 34 KT... 70NE 90SE 70SW 50NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 11/1800Z 52.0N 17.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 12/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.9N 46.5W NEXT ADVISORY AT 08/0300Z $$ FORECASTER BERG
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Tropical Storm Gabrielle Graphics
2019-09-07 18:15:37| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 07 Sep 2019 16:15:37 GMT Wind Speed Probabilities last updated Sat, 07 Sep 2019 16:15:37 GMT
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Tropical Storm Gabrielle Forecast Discussion Number 17
2019-09-07 18:14:25| National Hurricane Center (Atlantic)
Issued at 1230 PM AST Sat Sep 07 2019 000 WTNT43 KNHC 071614 TCDAT3 Tropical Storm Gabrielle Special Discussion Number 17 NWS National Hurricane Center Miami FL AL082019 1230 PM AST Sat Sep 07 2019 ASCAT data received just as the previous advisory was issued revealed that Gabrielle's center had re-formed closer to the deep convection, and is about a degree west of where it was previously estimated. This new center is also now more evident in visible satellite imagery. The updated position deviates from the previously issued forecast track by a large enough distance to require the issuance of a special advisory. Based on the re-formation of the center, the longer-term motion is estimated to be west-northwestward, or 300/19 kt. The forecast track has been shifted about a degree westward to account for the corresponding westward relocation of the center. The initial wind radii have been adjusted based on the ASCAT data, which led to an update in the forecast wind radii as well. The initial intensity of 45 kt was confirmed by the scatterometer data, so no changes were made to the intensity forecast. FORECAST POSITIONS AND MAX WINDS INIT 07/1630Z 31.4N 45.2W 45 KT 50 MPH 12H 08/0000Z 32.4N 46.9W 45 KT 50 MPH 24H 08/1200Z 34.0N 48.8W 50 KT 60 MPH 36H 09/0000Z 36.5N 49.0W 55 KT 65 MPH 48H 09/1200Z 39.4N 47.5W 60 KT 70 MPH 72H 10/1200Z 45.0N 38.0W 65 KT 75 MPH 96H 11/1200Z 51.5N 23.5W 55 KT 65 MPH...POST-TROP/EXTRATROP 120H 12/1200Z...DISSIPATED $$ Forecaster Berg
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