ZCZC MIATCPAT5 ALL
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Tropical Storm Gamma Advisory Number 7
NWS National Hurricane Center Miami FL AL252020
1000 PM CDT Sat Oct 03 2020
...GAMMA DRENCHING THE NORTHERN YUCATAN PENINSULA...
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
ABOUT 85 MI...135 KM NNW OF TULUM MEXICO
ABOUT 110 MI...175 KM E OF PROGRESO MEXICO
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...NW OR 325 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* North and west of Punta Allen to Dzilam Mexico, including Cozumel
A Tropical Storm Watch is in effect for...
* West of Dzilam to Progreso Mexico
A Tropical Storm Warning means that tropical storm conditions are
expected 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 1000 PM CDT (0300 UTC), the center of Tropical Storm Gamma was
located near latitude 21.3 North, longitude 88.0 West. Gamma is
moving toward the northwest near 7 mph (11 km/h) and a turn
toward the north-northwest with decreasing forward speed is expected
on Sunday, followed by a turn to the west or west-southwest
Sunday night or Monday. On the forecast track, the center of Gamma
will move offshore of the Yucatan Peninsula and over the southern
Gulf of Mexico on Sunday, and pass near or north of the northern
coast of the Yucatan Peninsula Monday and Tuesday.
Maximum sustained winds are near 60 mph (95 km/h) with higher gusts.
Little change in strength is forecast during the next few days.
Tropical-storm-force winds extend outward up to 105 miles (165 km)
from the center.
The estimated minimum central pressure is 990 mb (29.24 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: Gamma is expected to produce storm total rainfall of 4 to
8 inches across portions of the Yucatan Peninsula and far western
Cuba, with maximum rainfall amounts as high as 10 to 15 inches
possible across northeastern Quintana Roo and northern Yucatan. This
rainfall may produce life-threatening flash floods.
A separate area of significant rain is possible in the Mexican
states of Campeche, Tabasco, northern Chiapas, and southeast
Veracruz, with rainfall of 6 to 8 inches and isolated maximum
amounts of 12 inches. This rainfall may produce life-threatening
flash floods and mudslides. The storm will also result in an area of
heavy rains to the south from southern Guatemala towards the Gulf of
Fonseca region between eastern El Salvador, southern Honduras, and
northwest Nicaragua, with accumulations of 4 to 6 inches and
isolated maximum amounts of 8 inches.
WIND: Tropical storm conditions should continue within the Tropical
Storm Warning area on the east coast of the Yucatan Peninsula for
the next few hours, and on the north coast of the Yucatan through
Sunday. Tropical Storm conditions are possible within the Tropical
Storm Watch area on Monday.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.