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Posted at 5:30 PM ET, 06/ 8/2009

PM Update: T-Storm Chances Tonight & Tuesday

By Ian Livingston

Storm chances persist through much of the week

* Riding Along with VORTEX2 | ElectionCast: Storms a Threat? *

Clouds bubbling up this afternoon may lead to a few storms, most likely not until the evening and overnight. Keep an eye to the sky this evening if you have any outdoor plans. Quick-hitting heavy rain, lightning, gusty winds and hail would be the main threats. A southerly wind continues to pump humidity up to uncomfortable levels after afternoon highs topped out in the mid-to-upper 80s.

Tonight: A risk of isolated to scattered thunderstorms this evening and overnight -- around a 50% chance, mainly after 7 p.m. -- should dissipate toward dawn. Lows will mostly be in the upper 60s to near 70 as mostly cloudy skies and abundant surface moisture keeps things warm. South winds continue.

Tomorrow (Tuesday): Another sultry day is on the way. Periods of sun throughout will prime us for some possible severe weather late as highs top out between 85 and 90. Scattered storms -- but more numerous than today -- are likely in the afternoon and evening, some with potentially damaging winds and large hail.

See Brian Jackson's full forecast through the weekend.

Colorado Tornadoes: While CWG's Andrew Freedman was with VORTEX2 yesterday, 5 tornadoes touched down to their west near Denver, Colorado. Most of the tornadoes were relatively short lived and rather weak, but damage was reported across the area, including to a large shopping mall in Aurora.

By Ian Livingston  | June 8, 2009; 5:30 PM ET
Categories:  Forecasts  
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Next: NatCast: Warm With Storm Possible


Nasty lookin storm just south of Madison Va. Wondering how much longer it will last since were loosing daytime heating. Does anybody else see a "bigger" outbreak of Severe Weather tomorrow then the SPC is predicting? I think they are currently putting to much into the slight risk north of the Mason Dixon line as well as places like NY on up. Low cloud debris north of the Mason-Dixon line will phohibit convection in the first place.
The highest CAPE values will be found in SE PA, Virginia, Maryland, and where we expect values between 2000-3000 J/KG and higher with lesser values in southern NY, and NE PA, where values will range from 1500-2000 J/KG. It just seems to me that there enough dynamics tomorrow to warnt a slight risk through out the metro area, just not barley DC east and north.

Posted by: clintonportis17 | June 8, 2009 8:18 PM | Report abuse

Severe Thunderstorm Warning(s) down 'round Charlottesville way...may be expired or last until 8:45, I didn't check that closely.

Posted by: Murre | June 8, 2009 8:20 PM | Report abuse

Murre. That would be this cell I mentioned in my first post.

Posted by: clintonportis17 | June 8, 2009 8:27 PM | Report abuse

Clintonportis, when I started typing, your post wasn't up.

Posted by: Murre | June 8, 2009 9:08 PM | Report abuse

Oops, left off my :-).

Posted by: Murre | June 8, 2009 9:10 PM | Report abuse

lol its all good.
that cell has since weakend. Still putting off some nice lightning has i look to my southwest from Culpeper Va.

Posted by: clintonportis17 | June 8, 2009 9:19 PM | Report abuse

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