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Forecast 27 May 2009

Today: Partly cloudy, becoming mostly cloudy during the afternoon with a 50 percent chance of showers and thunderstorms. Locally heavy rainfall possible. High around 88. South to southwest winds 5-10mph.

Tonight: Mostly cloudy with a 30 percent chance of showers and thunderstorms during the evening. Low around 70. West wind around 5mph.

Thursday: Mostly cloudy in the morning becoming partly cloudy in the afternoon. A 20 percent chance of morning showers with a high around 90. North wind around 5mph.

Thursday Night: Partly cloudy with a low around 67. North wind 5mph.

Friday: Mostly sunny with a high around 90. North to northeast winds around 5mph.

Forecast Discussion:

A moist and unstable air mass resides over the region this morning with convection developing out west near San Antonio. Look for scattered showers and thunderstorms to develop area wide by the afternoon as a frontal boundary and passing weak impulses interact with daytime heating and left over boundaries from yesterday's and last night's convection across north Texas.

The front should be moving off the coast late tonight or early tomorrow morning with light northerly winds behind the boundary. We might see some lingering showers along the coast tomorrow morning before things start to clear out by the afternoon. Look for mostly sunny and warm conditions for Friday and Saturday with the possibility of elevated ozone levels as well.

An onshore flow will resume with increasing moisture levels Sunday.

Matt Haworth

forecast_discussion/forecast_27_may_2009.txt · Last modified: 2009/05/27 07:45 by clhaman
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