Friday, April 8, 2011

Keep On the Watch...

At 2:00pm edt, nothing really showing up on radar. However, don't let that fool you. The atmosphere is becoming destabilized. I'm impressed by the 'numbers' that are showing up for support of severe weather. Will this become a widespread event if it materializes? Hard to say at least for the moment. But the SPC is putting most of Kentucky on alert for a possible WATCH to be issued within the next couple of hours. By then, storms will be firing to our west and northwest.

Based on the 'numbers' that I'm looking at, all we need now is a trigger for storms to develop. All of the parameters are in place for strong/severe storms:
Here are a few parameters I'm looking at as of 2:00pm:
CAPE approaching 2000
MLCAPE between 1000-1500
LI near -5 in places
0-1km SR Helicity  200 in southern and central KY
30-50kt low level and mid-level winds

There is a short wave impulse that will be traversing just north of the Ohio river. At this time, it appears that storms could fire soon. If we don't get any storms here (Louisville) by 6:00-7:00 pm, that means the bulk of the energy will already be past Louisville and will likely affect areas of southern Ohio and east central and eastern KY. Look out for large hail and strong winds. Isolated tornadoes across the central and east central parts a possibility.

More updates later...
MS

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