Tropical Storm Harold headed for South Texas coast

22 Aug 2023 / South Texas Coast, United States

A Tropical Storm Warning is in effect for the mouth of Rio Grande to Port O'Connor, Texas. A Tropical Storm Watch is in effect for Port O'Connor to Sargent, Texas…

…At 400am CDT (0900 UTC), the center of Tropical Storm Harold was located near latitude 25.8 North, longitude 95.1 West. Harold is moving toward the west-northwest near 18 mph (30 km/h). This general motion is expected to continue through tonight, and the system is forecast to move inland over south Texas by midday today.

Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.

Some strengthening is possible before Harold reaches the Texas coast.

Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center…

…Harold is expected to produce rainfall amounts of 3-5 inches, with isolated higher amounts of 7 inches, across South Texas through early Wednesday. Scattered instances of flash flooding will be possible.

Across Mexico, rainfall amounts of 4-6 inches, with local amounts of 10 inches, are expected across portions of northern Coahuila and northern Nuevo Leon Tuesday through Wednesday. Scattered instances of flash flooding are expected.

Tropical storm conditions are expected in the warning area and are possible in the watch area beginning early today.

The combination of a storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline...

…Large swells will affect portions of southern Texas through Tuesday. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.

(For further details and updates, as well as information about operations in the United States, contact GAC North America at [email protected])

Source: NWS National Hurricane Center Miami FL Tropical Storm Harold Advisory No. 4 issued at 400am CDT on Tue 22 August 2023

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