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Tropical Storm Gamma Public Advisory Number 13A
2020-10-05 19:46:36| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Mon Oct 05 2020 000 WTNT35 KNHC 051746 TCPAT5 BULLETIN Tropical Storm Gamma Intermediate Advisory Number 13A NWS National Hurricane Center Miami FL AL252020 100 PM CDT Mon Oct 05 2020 ...GAMMA CONTINUES TO SPIN DOWN... ...LIKELY TO BECOME A POST-TROPICAL REMNANT LOW TONIGHT... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...22.3N 87.9W ABOUT 160 MI...255 KM ENE OF PROGRESO MEXICO ABOUT 135 MI...220 KM NNW OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...SW OR 230 DEGREES AT 4 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 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 expected to occur later today 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 100 PM CDT (1800 UTC), the center of Tropical Storm Gamma was located near latitude 22.3 North, longitude 87.9 West. Gamma is moving toward the southwest near 4 mph (7 km/h), and this general motion is expected to continue through Wednesday morning. On the forecast track, the center of Gamma should move inland over the northwest coast of the Yucatan Peninsula Tuesday night and remain inland through Thursday. Maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Gradual weakening is forecast, and Gamma is expected to become a depression this evening and degenerate to a post-tropical remnant low tonight. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure is 1003 mb (29.62 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 for a brief period this afternoon. Tropical Storm conditions are possible within the Tropical Storm Watch area. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Roberts
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Tropical Storm Gamma Graphics
2020-10-05 17:14:51| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 05 Oct 2020 15:14:51 GMT Wind Speed Probabilities last updated Mon, 05 Oct 2020 15:25:36 GMT
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Tropical Storm Gamma Graphics
2020-10-05 16:58:11| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 05 Oct 2020 14:58:11 GMT Wind Speed Probabilities last updated Mon, 05 Oct 2020 14:58:11 GMT
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Summary for Tropical Storm Gamma (AT5/AL252020)
2020-10-05 16:55:00| National Hurricane Center (Atlantic)
...GAMMA EXPECTED TO MAKE LANDFALL ALONG THE NORTHERN COAST OF YUCATAN TUESDAY... ...FLASH FLOODING POSSIBLE FOR PORTIONS OF THE MEXICAN STATES OF YUCATAN... As of 10:00 AM CDT Mon Oct 5 the center of Gamma was located near 22.3, -87.6 with movement SSW at 2 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.
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Tropical Storm Gamma Forecast Advisory Number 13
2020-10-05 16:51:34| National Hurricane Center (Atlantic)
Issued at 1500 UTC MON OCT 05 2020 000 WTNT25 KNHC 051451 TCMAT5 TROPICAL STORM GAMMA FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL252020 1500 UTC MON OCT 05 2020 CHANGES IN WATCHES AND WARNINGS 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. TROPICAL STORM CENTER LOCATED NEAR 22.3N 87.6W AT 05/1500Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE SOUTHWEST OR 205 DEGREES AT 2 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT.......140NE 0SE 0SW 130NW. 12 FT SEAS..240NE 60SE 210SW 300NW. 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 22.5N 87.6W AT 05/1500Z AT 05/1200Z CENTER WAS LOCATED NEAR 22.6N 87.5W FORECAST VALID 06/0000Z 22.1N 88.4W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...120NE 0SE 0SW 120NW. FORECAST VALID 06/1200Z 21.6N 89.2W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 70NE 30SE 20SW 110NW. FORECAST VALID 07/0000Z 20.9N 89.9W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 07/1200Z 20.2N 90.2W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 08/0000Z 20.3N 89.8W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 08/1200Z 21.0N 89.5W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. 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 09/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.5N 87.6W INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 05/1800Z NEXT ADVISORY AT 05/2100Z $$ FORECASTER ROBERTS
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