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Tropical Storm Gamma Public Advisory Number 12A

2020-10-05 13:54:57| National Hurricane Center (Atlantic)

Issued at 700 AM CDT Mon Oct 05 2020 000 WTNT35 KNHC 051154 TCPAT5 BULLETIN Tropical Storm Gamma Intermediate Advisory Number 12A NWS National Hurricane Center Miami FL AL252020 700 AM CDT Mon Oct 05 2020 ...AIR FORCE RESERVE RECONNAISSANCE FINDS GAMMA WEAKER... ...FURTHER WEAKENING EXPECTED... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...22.6N 87.5W ABOUT 165 MI...270 KM ENE OF PROGRESO MEXICO ABOUT 150 MI...240 KM NNW OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...SSW OR 205 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * North and west of Cancun to Dzilam Mexico A Tropical Storm Watch is in effect for... * West of Dzilam to Campeche Mexico A Tropical Storm Warning means that tropical storm conditions are occurring somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Tropical Storm Gamma was located near latitude 22.6 North, longitude 87.5 West. Gamma is drifting toward the south-southwest near 2 mph (4 km/h). Gamma is forecast to gradually turn toward the southwest later today, and continue to move slowly in that direction through mid-week. On the forecast track, the center of Gamma will continue to meander offshore of the northern Yucatan Peninsula and pass near or just offshore of the northern coast of the Yucatan Peninsula this evening and on Tuesday. Gamma could possibly move inland along the northwest coast of the Yucatan Peninsula Tuesday night and Wednesday. Data from the reconnaissance aircraft indicate that maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Tropical-storm-force winds extend outward up to 160 miles (260 km), mainly northwest through northeast of the center. The estimated minimum central pressure based on measurements from the hurricane hunter plane is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Gamma can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5, WMO header WTNT45 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT5.shtml. RAINFALL: Through midweek, Gamma is expected to produce an additional 3 to 6 inches of rainfall with isolated maximum amounts of 8 inches across portions of the Mexican states of Yucatan, Campeche, and Tabasco. This rainfall may produce significant flash flooding. WIND: Tropical storm conditions are likely in portions of the Tropical Storm Warning area along the northern coast of the Yucatan Peninsula later today. Tropical Storm conditions are possible within the Tropical Storm Watch area tonight and on Tuesday. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Roberts

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Tropical Storm Delta Graphics

2020-10-05 13:43:40| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Mon, 05 Oct 2020 11:43:40 GMT Wind Speed Probabilities last updated Mon, 05 Oct 2020 11:08:04 GMT

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Atlantic Tropical Weather Outlook

2020-10-05 13:41:43| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 051141 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Mon Oct 5 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Gamma, located over the extreme southern Gulf of Mexico just north of the Yucatan Peninsula, and on recently upgraded Tropical Storm Delta, located over the northwestern Caribbean Sea just south of Jamaica. Tropical cyclone formation is not expected during the next 5 days. && Public Advisories on Tropical Storm Delta are issued under WMO header WTNT31 KNHC and under AWIPS header MIATCPAT1. Forecast/Advisories on Tropical Storm Delta are issued under WMO header WTNT21 KNHC and under AWIPS header MIATCMAT1. $$ Forecaster Brown

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Summary for Tropical Storm Delta (AT1/AL262020)

2020-10-05 13:40:00| National Hurricane Center (Atlantic)

...TROPICAL DEPRESSION STRENGTHENS INTO A TROPICAL STORM... ...ADDITIONAL STRENGTHENING LIKELY OVER THE NEXT FEW DAYS... As of 8:00 AM EDT Mon Oct 5 the center of Delta was located near 16.4, -78.4 with movement WNW at 9 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

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Tropical Storm Delta Public Advisory Number 3A

2020-10-05 13:40:00| National Hurricane Center (Atlantic)

Issued at 800 AM EDT Mon Oct 05 2020 000 WTNT31 KNHC 051139 TCPAT1 BULLETIN Tropical Storm Delta Intermediate Advisory Number 3A NWS National Hurricane Center Miami FL AL262020 800 AM EDT Mon Oct 05 2020 ...TROPICAL DEPRESSION STRENGTHENS INTO A TROPICAL STORM... ...ADDITIONAL STRENGTHENING LIKELY OVER THE NEXT FEW DAYS... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...16.4N 78.4W ABOUT 130 MI...210 KM S OF NEGRIL JAMAICA ABOUT 270 MI...440 KM SE OF GRAND CAYMAN MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Cuban provinces of Pinar del Rio and Artemisa * Isle of Youth A Tropical Storm Warning is in effect for... * Cayman Islands including Little Cayman and Cayman Brac A Tropical Storm Watch is in effect for... * Cuba province of La Habana A Hurricane Watch means that hurricane conditions are possible within the watch area, generally within 48 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. 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 OUTLOOK ---------------------- At 800 AM EDT (1200 UTC), the center of Tropical Storm Delta was located near latitude 16.4 North, longitude 78.4 West. The storm is moving toward the west-northwest near 9 mph (15 km/h), and this general motion should continue for the next day or so. A faster northwestward motion is expected on Tuesday and Wednesday. On the forecast track, the center of Delta is expected to move away from Jamaica later today, move near or over the Cayman Islands later tonight, and approach the Isle of Youth and western Cuba Tuesday afternoon or evening. Delta is forecast to move into the southeastern Gulf of Mexico Tuesday night or early Wednesday. Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Additional strengthening is expected during the next few days, and the tropical storm is expected to be a hurricane when it moves near or over western Cuba. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A dangerous storm surge will raise water levels by as much as 3 to 5 feet above normal tide levels along the immediate coast of the Isle of Youth and along the south coast of western Cuba near and to right of where the center makes landfall. Near the coast, the surge will be accompanied by large and dangerous waves. RAINFALL: Through midweek, Delta is expected to produce 3 to 5 inches of rain with isolated maximum totals of 8 inches across Jamaica and western Cuba. This rainfall could lead to significant flash floods and mudslides. Over the Cayman Islands, 2 to 4 inches of rainfall will be possible with this system. WIND: Tropical storm conditions are expected in the Cayman Islands beginning late today. Hurricane conditions are possible within the Hurricane Watch area by Tuesday afternoon, with tropical storm conditions possible by early Tuesday. Tropical Storm conditions are possible in the Tropical Storm Watch area in Cuba by early Tuesday. NEXT ADVISORY ------------- Next complete advisory at 1100 AM EDT. $$ Forecaster Brown

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