Troy Kimmel Weather

Forecasting Austin and South Central Texas Weather Since 1984

TK’s Weather Discussion

Updated 845am CDT Monday / 6 May 2013

Warmer Temperatures ….
Rain Chances Return by Late Week into the Weekend ….
Another Late Season Cold Front by Next Weekend ….

On this Monday morning…. surface high pressure is moving east of our area with developing low pressure over the southern Rockies. Given this surface pressure pattern, surface winds are east southeasterly across our area of the state.

In the upper levels of the atmosphere…. a strong upper air low pressure area is over the Tennessee Valley and the southeastern USA with another one off the Pacific coast of central California. Between the two.. a ridge of upper air high pressure is located from northern Mexico into west Texas. Given this upper air pattern, winds over south central Texas and the Austin metro area about 18,000 feet above the ground are northwesterly 35 to 45 mph.

With the upper level ridge over the western part of Texas.. a generally dry and stable weather pattern persist across Texas even as the surface high pressure area.. that moved into the area following our most recent cold front.. moves on eastward.

A more established southerly surface wind will be returning over the next few days as the surface high continues well east of the area. By mid and late week.. another cold front will start southward through the Rockies and plains as the upper low over the Pacific coast moves into the southwestern USA. As our air mass becomes more moist and unstable and as several upper air disturbances approach and move overhead of the area, I’ll introduce rain shower and thunderstorm chances by Thursday into Friday.

A cold front will move southeastward into Texas on Saturday with widely scattered to scattered rain showers and thunderstorms expected. Once the front passes, slightly cooler temperatures along with a more stable air mass will prevail. Another reinforcing cold front will move through the area next Sunday with will act to reinforce the slightly cooler and drier air mass Sunday into the first part of next week.

Rainfall amounts for the coming week and weekend, based upon the latest NWS guidance, will average a very beneficial one to one and a half inches.

Have a good Monday Night and Tuesday…
Meteorologist Troy Kimmel

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