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Winds 40mph(65km/h)
Moving NW 9mph(15km/h)
Pressure 1000mb
Center about 135miles(220km) SSE of Cozumel, Mexico
Organized enough for TS status, still mainly widespread scattered showers with some banding like features to it. Slow strengthening is possible. Bumping up against stalled frontal boundary. Likely drifts near/into Yucatan / extreme S Gulf of Mexico as drifts W / WSW eventually. Not current threat to US other then helping send rain up the front into S FL.
Main threat is 12+ inches of rain into portions of W Cuba and Yucatan Peninsula. Isolated 20+inches will be possible.
Official updates are released by NHC every 3hrs at 1,4,7 & 10a/pCDT (2,5,8,11a/pEDT): https://www.nhc.noaa.gov/
Tropical Watch/Warnings:
-TS Warning Punta Herrero to Cabo Catoche, Mexico
-TS Watch S of Punta Herrero to Puerto Costa Maya, Mexico
-TS Watch W of Cabo Catoche to Dzilam, Mexico
(Basically E and N sides of the Yucatan)
Sat 3-Oct 7aCDT,8aEDT
Winds 65mph(100km/h)
Moving NW 9mph(15km/h)
Pressure 987mb
Center about 40miles(65km) SSE of Tulum, Mexico
TS winds extend up to 80miles(130km) from center.
Marked improvement of storm structure overnight and steady/quick intensification has occurred. Per recon flight data, small pockets of the strongest winds are located on the N and NE sides in bands. Just offshore of the Yucatan now.
Sun 4-Oct 4pCDT,5pEDT
Winds 60mph(95km/h)
Not moving
Pressure 997mb
Center about 130miles(205km) NE of Progreso, Mexico
Center about 150miles(245km) NNW of Cozumel, Mexico
TS winds extend up to 160miles(260km) from center.
Crept across NE tip of the Yucatan, now stalled just North of there. Wind shear affecting the storm and should start to weaken soon but that may relax during the week as meanders around the S Gulf of Mexico.
The next storm, PTC26, may help determine Gamma's track later this week, but for now PTC26 looks to be the dominate storm later this week.
Sun 4-Oct 10pCDT,11pEDT
Winds 60mph(95km/h)
Drifting E 2mph(4km/h)
Pressure 998mb
Center about 190miles(305km) ENE of Progreso, Mexico
Center about 160miles(255km) N of Cozumel, Mexico
TS winds extend up to 160miles(260km) from center.
Tropical Depression now, all warnings dropped. Was mainly a swirl of clouds earlier, now a few scattered showers around the Yucatan, which will continue the main threat of adding additional rainfall to the region as drifts back down towards Yucatan. 2-4in(50-100mm) to 8in(200mm) possible some locations.
See Delta thread for possible interaction with that system.
Becomes remnant Low. The spin of the Low will still throw scattered showers across the Yucatan. No more advisories from the NHC will be issued, an archive: https://www.nhc.noaa.gov/archive/2020/GAMMA.shtml?
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