Thursday, July 24, 2008

Dolly Brings Afternoon Rain

As the center of Dolly gets ready to exit the US into central Mexico, the large synoptic circulation continues to bring up very deep tropical moisture out of the western gulf and into southeast Texas. The latest RUC-2 analysis shows precip water values remain in the 2.2-2.4'' range over the region along with strong moisture flux convergence along our coastal counties. After a brief break this morning, some daytime heating around noon has helped kick off another round of showers and thunderstorms this afternoon. Storm motions continue to be rather high which should help to limit the flooding potential unless we see training of storms develop. Rainfall rates will be quite high in the stronger storms due to the amount of moisture in the atmosphere.

We should see things start to die down this evening with the loss of daytime heating. The weather for Friday should be much improved with a return to hot/humid weather for the weekend as a strong ridge of high pressure settles into our part of the state.

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