Troy Kimmel Weather

Forecasting Austin and South Central Texas Weather Since 1984

TK’s Weather Discussion….

Updated 845am CDT Friday / 6 September 2013

…. Slim Thunderstorm Chances Linger for Afternoon into Evening Hours ….
…. An Otherwise Typical Late Summer Weather Pattern Continues ….

On this Friday morning…. surface high pressure continues over the southeastern Gulf of Mexico as well as the southwestern Atlantic Ocean. A weakening stationary front continues westward from Georgia into Alabama and Mississippi and then into eastern and central Texas. Another high pressure area is to our distant west over the southwestern Colorado and the four corners region. A low pressure area is over western Kansas with a trough.. or line.. of low pressure extending southward into eastern New Mexico and far west Texas. As a result of this surface weather pattern, surface winds are south southeasterly over our area.

In the upper levels of the atmosphere… a strong upper level high pressure area has settled northward a bit into northeastern Colorado and southeastern Wyoming. Being on the southeast side of the upper air high, winds over south central Texas and the Austin metro area about 18,000 feet above the ground are easterly 15 to 25 mph.

Lingering atmospheric moisture and a weak disturbance aloft today will combine with daytime heating for isolated to widely scattered rain showers and thunderstorms over the next couple of days.. primarily in the afternoon into evening hours. Frequent cloud to ground lightning and gusty winds may accompany the thunderstorms.

Other than the slim precipitation chances, I expect that the upper level high pressure area will continue to dominate our weather with a fair amount of sunshine over the coming days with continued above average temperatures.

By the early into mid part of next week, it looks like a slightly more moist and unstable air mass will take hold with temperatures falling to more average levels. I’ll continue to watch for a further increase in rain chances for this time period.

According to meteorologists at the NWS/National Hurricane Center, there are a few systems over the Atlantic Ocean basin.. including a disturbance over the western Gulf of Mexico. The system over the western Gulf will move ashore into Mexico today into tonight with little effect locally. Tropical cyclone Gabrielle.. northwest of Puerto Rico.. will move northwestward into the southwest North Atlantic.

Regarding my forecast, my local forecast confidence: High to very high forecast confidence over the next seven days.

Have a good Friday…
Meteorologist Troy Kimmel
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