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Disturbance Has Moved Inland Over Northeastern Mexico And The Chance For Development Has Ended

Potential Tropical Cyclone

Tropics Forecast Cone at 9:37 Saturday Evening, August 20th

Location 60 miles SW of Mouth Of The Rio Grande
Wind 35 mph
Heading NW at 13 mph
Pressure 29.83
Coordinates 97.9W, 25.3N

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Discussion

At 1000 PM CDT (0300 UTC), the disturbance was centered near latitude 25.3 North, longitude 97.9 West. The system is moving toward the northwest near 13 mph (20 km/h). A north-northwestward motion is expected until the system dissipates on Sunday.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Weakening is forecast, and the disturbance is expected to dissipate on Sunday. * Formation chance through 48 hours, low, near 0 percent. * Formation chance through 5 days, low, near 0 percent.

The estimated minimum central pressure is 1010 mb (29.83 inches).

Tropics Satellite at 4:44 Sunday Night, August 21st

Watches and Warnings

CHANGES WITH THIS ADVISORY:

The Tropical Storm Warning has been discontinued for the coast of Texas.

The Government of Mexico has discontinued the Tropical Storm Warning for the coast of northeastern Mexico.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

There are no coastal watches or warnings in effect.

Tropics Models at 4:09 Sunday Night, August 21st

Land Hazards

Key messages for Potential Tropical Cyclone Four can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC.

WIND: Locally gusty winds in squalls are possible over portions of northeastern Mexico and southern Texas tonight.

RAINFALL: The disturbance is expected to produce total rainfall amounts of 1 to 3 inches, with isolated totals of 5 inches, along the northeastern coast of Mexico across the state of Tamaulipas today. These rains could produce isolated flash flooding across coastal northeast Mexico. Rainfall amounts of less than an inch are expected farther to the north across far South Texas.


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