Tuesday, March 14, 2006

Interesting Article

* Here is an interesting article about forecasting severe weather and tornadoes:

http://www.livescience.com/forcesofnature/060313_weather_forecasts.html

* Mid-Afternoon Thoughts: The first area of concern is the potential for a light freeze/frost tonight. Temperatures will fall quickly tonight under clear skies and calm winds. We will see temperatures near freezing for an hour or two early tomorrow morning, and some frost seems like a good bet in some areas. If you have tender vegetation, bring it indoors or cover it up...

Sure looks like we'll be dealing with a heavy rain setup over the weekend. First, tomorrow looks fine - plenty of sunshine, cool temperatures. A few showers are possible Thursday, but we don't expect a widespread or soaking rain.

By this weekend, an upper low will cut off over the desert Southwest. This will lead to a fast westerly jet stream, bringing a vast supply of moisture in off of the Pacific Ocean. Ripples of energy (called shortwaves) within this jet stream will be enough to kick off rounds of showers and thunderstorms. We don't anticipate any severe weather this weekend, but heavy rainfall and possibly some flooding is certainly a concern.

* The upper trough will swing out next week, and could lead to a severe weather setup at some point next week. We'll watch that closely...

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