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Summary for Hurricane GASTON (AT2/AL072016)
2016-09-01 07:42:53| National Hurricane Center (Atlantic)
...GASTON HEADED TOWARD THE AZORES... As of 2:00 AM AST Thu Sep 1 the center of GASTON was located near 36.3, -44.6 with movement NE at 20 mph. The minimum central pressure was 970 mb with maximum sustained winds of about 105 mph.
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Hurricane GASTON Public Advisory Number 38A
2016-09-01 07:42:53| National Hurricane Center (Atlantic)
Issued at 200 AM AST THU SEP 01 2016 000 WTNT32 KNHC 010542 TCPAT2 BULLETIN HURRICANE GASTON INTERMEDIATE ADVISORY NUMBER 38A NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 200 AM AST THU SEP 01 2016 ...GASTON HEADED TOWARD THE AZORES... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...36.3N 44.6W ABOUT 885 MI...1425 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES ABOUT 970 MI...1565 KM W OF LAJES AIR BASE IN THE AZORES MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NE OR 55 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...970 MB...28.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Flores and Corvo in the western Azores * Faial, Pico, Graciosa, Sao Jorge, and Terceira in the central Azores A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 200 AM AST (0600 UTC), the center of Hurricane Gaston was located near latitude 36.3 North, longitude 44.6 West. Gaston is moving toward the northeast near 20 mph (31 km/h). A turn toward the east-northeast with an increase in forward speed is expected during the next day or so. On the forecast track, the center of Gaston will move near the western and central Azores on Friday. Maximum sustained winds remain near 105 mph (165 km/h) with higher gusts. Weakening is forecast during the next 48 hours, and Gaston is expected to lose hurricane intensity by early Friday before it reaches the western Azores. Hurricane-force winds extend outward up to 45 miles (75 km) from the center, and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 970 mb (28.65 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible in the western and central Azores on Friday. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Cangialosi
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Hurricane GASTON Forecast Discussion Number 38
2016-09-01 05:17:38| National Hurricane Center (Atlantic)
Issued at 1100 PM AST WED AUG 31 2016 000 WTNT42 KNHC 010317 TCDAT2 HURRICANE GASTON DISCUSSION NUMBER 38 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 1100 PM AST WED AUG 31 2016 Gaston's infrared satellite pattern has changed little since the previous advisory. The eye remains ragged but clear, and cold convective tops continue in all quadrants. Recent microwave imagery, however, does show that the southwestern eyewall is now open, and there are some indications that the circulation is becoming tilted due to west-southwesterly shear. Still, the initial intensity remains 90 kt based on a blend of final-T and CI numbers from TAFB and SAB, which is also supported by the latest CI estimate from the objective ADT. The hurricane is expected to be over sea surface temperatures warmer than 26C for another 12-18 hours while vertical shear is forecast to be at or above 20 kt for the next few days. Therefore, a gradual weakening trend is anticipated, and Gaston is forecast to lose hurricane intensity in about 36 hours while it approaches the western Azores. After that time, continued weakening is expected, and Gaston is likely to become a remnant low in about 72 hours after it has passed the Azores and loses its deep convection over very cold water. Dissipation is still expected by day 4. The intensity models are in very good agreement on the weakening trend, and the updated NHC forecast is close to the intensity consensus. The initial motion remains northeastward but a little faster at 055/17 kt. Gaston is embedded in the mid-latitude westerlies, and it is expected to turn east-northeastward and accelerate during the next 24 hours. After that time, Gaston could slow down a bit while it moves across the Azores, and then turn back toward the northeast when it becomes a remnant low. Like the intensity guidance, the track models are in very good agreement, and no significant changes were needed from the previous forecast. FORECAST POSITIONS AND MAX WINDS INIT 01/0300Z 36.0N 45.4W 90 KT 105 MPH 12H 01/1200Z 37.2N 42.1W 80 KT 90 MPH 24H 02/0000Z 38.2N 37.5W 70 KT 80 MPH 36H 02/1200Z 38.7N 33.3W 60 KT 70 MPH 48H 03/0000Z 39.2N 30.3W 45 KT 50 MPH 72H 04/0000Z 42.1N 24.9W 30 KT 35 MPH...POST-TROP/REMNT LOW 96H 05/0000Z...DISSIPATED $$ Forecaster Berg
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Hurricane GASTON Graphics
2016-09-01 04:56:05| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 01 Sep 2016 02:56:05 GMT Wind Speed Probabilities last updated Thu, 01 Sep 2016 02:53:34 GMT
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Summary for Hurricane GASTON (AT2/AL072016)
2016-09-01 04:54:00| National Hurricane Center (Atlantic)
...TROPICAL STORM CONDITIONS POSSIBLE OVER THE WESTERN AND CENTRAL AZORES ON FRIDAY... As of 11:00 PM AST Wed Aug 31 the center of GASTON was located near 36.0, -45.4 with movement NE at 20 mph. The minimum central pressure was 970 mb with maximum sustained winds of about 105 mph.
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