Quick Sunday morning post...
>> Sunday, March 28, 2010
Need to keep a close eye on severe weather potential from late today through tonight. A potent storm system is moving our way, and while our airmass is quite stable this morning, a pretty strong low level jet will kick in today and provide at least some degree of instability. How much is a question mark.
Showers will become an increasing possibility as the day wears on along and west/north of I-85. The thunderstorm potential really comes into play in the Piedmont zones late today into tonight.
The Storm Prediction Center has outlined much of the area in a 'slight' risk area for severe weather with this system. See the map below.
One key to watch today will be dewpoints. If dewpoints make it up into the mid 50s or higher, then the severe weather threat could be significant. If they stay below that threshold, then the severe weather threat will be more limited.
If we do see the severe threat materialize, damaging winds, some large hail, and even a few tornadoes would be possible.
If you have a NOAA weather radio (which I strongly encourage every home, business, and place of worship to have one), go ahead and have it in the alert position today and tonight.
And of course, keep in touch with News 14 Carolina on television. As always, we will be there with you to walk you through any potential active weather.
3 comments:
Storms are beginning to fire nicely. Cape is very low (250-500) but we have a strong lifting mechanism. A few severe warnings out and we should see storms to continue over the region. These storms have very strong wind shear above the surface. Some of these storms can become organised and produce strong winds or even a brief tornado, though not likely. Have to keep an eye on CAPE and lapse levels over N Georgia and central S Carolina, and see if they are advected into our region.
DPs have rebounded pretty nicely. Columbia near 60 now. Definitely more unstable feeling out there around here now.
This will be interesting. Multiple waves of convection possible into this evening, not just one main area it appears. Helicity already cranking....1000j/kg of CAPE in Central Georgia.
Big lightning producers. It's going to be a bumpy ride from here on out.
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