Tuesday, February 23, 2010

Brian: Low clouds have broken up... temps headed for 80 degrees

Good afternoon! The low clouds and fog that were so stubborn to burn off this morning have finally eroded enough to give us a partly cloudy sky at midday. Temperatures as I write this are approaching the mid to upper 70's for most of the area and we'll easily get to near 80 in most spots away from the coast today. This morning, by the way, the low clouds stuck around so long because we had something called a low level inversion.. a lid in the atmosphere a couple thousand feet above the ground. This bubble of warmer air (compared to the slightly cooler temps at the ground) trapped a lot of moisture in the low levels and allowed the fog/clouds to linger longer than they otherwise would. Eventually though, as the sun got high enough in the sky, the low level temperatures warmed enough and separated enough from the dewpoint (remember, when the temp and dewpoint are equal, the humidity is 100%) to allow things to start to dry out. We may end up with a similar set up tomorrow morning.
 
For tomorrow, a storm that is bringing another snowfall to central Texas will drag a cold front through SWFL. We'll see clouds increase in the afternoon and the chance of a few showers. I don't think everyone will see rain with this one though and, where you do, we'll average .10 - .25" of rain. Behind this system, much cooler for the end of the week with highs in the low 60's on Thursday and mid to upper 60's on Friday. A big storm is going to crank up over New England the next few days and this should keep fronts swinging through SWFL every couple of days through early next week... and temps will run below average (what else is new?!).
 
Have a great day!
 
Brian

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