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Summary for Subtropical Storm Rebekah (AT4/AL192019)
2019-10-31 09:33:17| National Hurricane Center (Atlantic)
...SUBTROPICAL STORM REBEKAH MOVING EAST-NORTHEASTWARD OVER THE FAR NORTH ATLANTIC OCEAN... As of 5:00 AM AST Thu Oct 31 the center of Rebekah was located near 39.7, -36.7 with movement ENE at 21 mph. The minimum central pressure was 987 mb with maximum sustained winds of about 45 mph.
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Subtropical Storm Rebekah Public Advisory Number 3
2019-10-31 09:33:17| National Hurricane Center (Atlantic)
Issued at 500 AM AST Thu Oct 31 2019 000 WTNT34 KNHC 310833 TCPAT4 BULLETIN Subtropical Storm Rebekah Advisory Number 3 NWS National Hurricane Center Miami FL AL192019 500 AM AST Thu Oct 31 2019 ...SUBTROPICAL STORM REBEKAH MOVING EAST-NORTHEASTWARD OVER THE FAR NORTH ATLANTIC OCEAN... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...39.7N 36.7W ABOUT 535 MI...860 KM WNW OF THE AZORES MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...ENE OR 65 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- Interests in the Azores should monitor the progress of Rebekah. There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Subtropical Storm Rebekah was located near latitude 39.7 North, longitude 36.7 West. The storm is moving toward the east-northeast near 21 mph (33 km/h), and this general motion is expected to continue today. A turn back toward the east and east-southeast is anticipated tonight and on Friday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Little change in strength is expected today, but gradual weakening is forecast to begin by this afternoon or tonight. Rebekah should become a post-tropical cyclone by this afternoon or evening. Winds of 40 mph extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 987 mb (29.15 inches). HAZARDS AFFECTING LAND ---------------------- Rebekah is forecast to be a post-tropical cyclone when it moves near the Azores in a day or so. Please see products issued by the Portuguese Institute for the Sea and Atmosphere (IPMA) for hazard information in the Azores related to Rebekah, which can found at https://www.ipma.pt/pt/index.html. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Stewart
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Subtropical Storm Rebekah Forecast Advisory Number 3
2019-10-31 09:32:12| National Hurricane Center (Atlantic)
Issued at 0900 UTC THU OCT 31 2019 973 WTNT24 KNHC 310832 TCMAT4 SUBTROPICAL STORM REBEKAH FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192019 0900 UTC THU OCT 31 2019 INTERESTS IN THE AZORES SHOULD MONITOR THE PROGRESS OF REBEKAH. THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. SUBTROPICAL STORM CENTER LOCATED NEAR 39.7N 36.7W AT 31/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 65 DEGREES AT 18 KT ESTIMATED MINIMUM CENTRAL PRESSURE 987 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 0NE 70SE 70SW 0NW. 12 FT SEAS.. 30NE 90SE 90SW 60NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 39.7N 36.7W AT 31/0900Z AT 31/0600Z CENTER WAS LOCATED NEAR 39.3N 37.7W FORECAST VALID 31/1800Z 40.6N 33.7W...SUBTROPICAL STORM MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 0NE 60SE 60SW 0NW. FORECAST VALID 01/0600Z 40.6N 29.4W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 50SE 50SW 0NW. FORECAST VALID 01/1800Z 40.3N 25.0W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 02/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.7N 36.7W NEXT ADVISORY AT 31/1500Z $$ FORECASTER STEWART
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Subtropical Storm Rebekah Graphics
2019-10-31 03:39:26| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 31 Oct 2019 02:39:26 GMT Wind Speed Probabilities last updated Thu, 31 Oct 2019 02:39:27 GMT
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Subtropical Storm Rebekah Forecast Discussion Number 2
2019-10-31 03:38:15| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Wed Oct 30 2019 000 WTNT44 KNHC 310238 TCDAT4 Subtropical Storm Rebekah Discussion Number 2 NWS National Hurricane Center Miami FL AL192019 1100 PM AST Wed Oct 30 2019 The cloud pattern has not changed very much during the past few hours and still consists primarily of a convective band that wraps around the center of circulation of the cyclone. Recent ASCAT data reveal that the cyclone has a well-defined circulation with 40-kt winds, but these strong winds are confined to the southern semicircle. Most of the guidance indicates that Rebekah will change very little in intensity during the next 24 hours, and after that time, the combination of cold waters and strong upper-level winds should result in the cyclone becoming extratropical while weakening. Most of the global models dissipate the cyclone in 48 hours or sooner, and so does the NHC forecast. As indicated in the previous advisory, Rebekah is rotating around a larger non-tropical low pressure system, and the best estimate of the initial motion is toward the east or 080 degrees at 15 kt. However, a turn to the east-northeast is possible tonight and early Thursday, before Rebekah becomes even more embedded within the flow behind a mid-level trough. The cyclone should then turn toward the east-southeast until it dissipates later this week. Since the track guidance is better agreement tonight, the confidence in the track prediction is a little higher. The NHC forecast is in the middle of the guidance envelope and is not very different from the previous one. Since Rebekah is not currently forecast to be a tropical or subtropical cyclone when it nears the Azores, hazard information can be found in regular products issued by the Portuguese Institute for the Sea and Atmosphere (IPMA) for those islands. FORECAST POSITIONS AND MAX WINDS INIT 31/0300Z 38.5N 38.8W 40 KT 45 MPH 12H 31/1200Z 39.5N 36.0W 40 KT 45 MPH 24H 01/0000Z 40.0N 32.5W 40 KT 45 MPH 36H 01/1200Z 39.5N 28.0W 35 KT 40 MPH...POST-TROP/EXTRATROP 48H 02/0000Z 38.0N 22.0W 30 KT 35 MPH...POST-TROP/EXTRATROP 72H 03/0000Z...DISSIPATED $$ Forecaster Avila
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