A Chill By The Weekend

The Tuesday afternoon web video is on the server:

http://beta.abc3340.com/weather/video.hrb

We are still looking at a sharp change to cooler weather by the weekend...

TOMORROW: Dry and warm weather will continue, with temperatures topping out around the 80 degree mark in most places. Lots of sunshine through scattered high clouds.

THURSDAY/FRIDAY: The models bring moist air into the state on Thursday, and showers could begin to form during the afternoon as a cold front approaches. A few passing showers and storms are likely Thursday night into Friday as a wave of low pressure forms on the front over Tennessee. The latest QPF guidance is suggesting about one inch for Birmingham.

THE WEEKEND: Looks like the sun will return on Saturday, but the weather will be windy and much cooler. Highs in the low to mid 60s with a cool northwest wind. Then, by Sunday morning, temperatures should drop into the 34 to 42 degree range over much of north and central Alabama. We are using 39 in our forecast for now, and will make adjustments as we get closer to the weekend. Still looks like some light frost is likely in the colder valleys and protected areas.

NEXT WEEK: A storm system over the plains will bring rain and storms back to Alabama by Monday night and Tuesday. I still don't think the air will have time to recover from those upper 30s Sunday morning... so severe weather doesn't look very likely to me at this time.

Beyond that, the 12Z run of the GFS is totally different from the 00Z run. No big time, phased eastern U.S. trough, which would mean no cold snap for the middle of next week. But, I don't believe just one model run, so no change in thinking at this point.

Looks like an active southern stream setting up as we get into May, which means our weather will probably become wetter and stormy at times.

AIR QUALITY: I notice the Health Department has an air quality alert for the Birmingham metro area today... guess it is that time of the year! Summer must not be too far away...
Posted by  
on April 19, 2005, 3:29 pm
On the air quality warning: When is the EPA going to eliminate all of these pesky trees, shrubs and flowers? :-) Wait, forget I said that - They are liable to get ideas!

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