spud Posted January 26, 2011 Share Posted January 26, 2011 Light sleet with flakes in columbia,md Link to comment Share on other sites More sharing options...
Dalfy Posted January 26, 2011 Share Posted January 26, 2011 Yep.. i just changed back to rain/sleet from all snow when a heavier band moved through... temps are suppose to drop considerably later though. and JUST as I said that.. looked over the window and I see snow starting to mix back in again.. temps are like so marginal Im assuming.. my temp has been switching between 31 and 32 here for a few hours now. Link to comment Share on other sites More sharing options...
WxUSAF Posted January 26, 2011 Share Posted January 26, 2011 You're incredibly wrong. CAPE values are the red lines... the shaded area (what you're mentioning) is the lifted parcel level (AGL) Haha...thanks for the correction. Ok...100J/kg with the upper low. That sounds more reasonable. Link to comment Share on other sites More sharing options...
vinylfreak89 Posted January 26, 2011 Share Posted January 26, 2011 got about an inch here. sleet right now with a few flakes mixed in. Link to comment Share on other sites More sharing options...
RickinBaltimore Posted January 26, 2011 Share Posted January 26, 2011 Moderate snow coming down in Elkridge at the moment Link to comment Share on other sites More sharing options...
Kmlwx Posted January 26, 2011 Share Posted January 26, 2011 Haha...thanks for the correction. Ok...100J/kg with the upper low. That sounds more reasonable. Can you imagine? TSSN with damaging winds and a snow tornado Link to comment Share on other sites More sharing options...
Ellinwood Posted January 26, 2011 Share Posted January 26, 2011 You're right it is. MUCAPE is going to look "big" by definition. But it still is a good sign that convection and TSSN is a distinct possibility this afternoon/evening. Nashville's skew-T looks like it has a possible unstable layer at about 775mb. IAD's even looks a little unstable around 700mb. Those SKEW-Ts verbatim... BNA has a conditionally unstable layer starting at 575mb and IAD is conditionally unstable at 750mb. Link to comment Share on other sites More sharing options...
WxUSAF Posted January 26, 2011 Share Posted January 26, 2011 Those SKEW-Ts verbatim... BNA has a conditionally unstable layer starting at 575mb and IAD is conditionally unstable at 750mb. Are you eyeballing it like I am, or do you have a computer output that defines which layers are unstable? Link to comment Share on other sites More sharing options...
W4CGT Posted January 26, 2011 Share Posted January 26, 2011 Rain mixed w/ sleet and a few wet snowflakes here in Leesburg. Link to comment Share on other sites More sharing options...
Herb@MAWS Posted January 26, 2011 Share Posted January 26, 2011 After unsuccessful DC commuting attempt at 5am with 2 accidents on I-95 near Columbia, had success between 7:45-8:45 -- roads mostly slick/wet down to Beltsville, then just wet. Link to comment Share on other sites More sharing options...
TUweathermanDD Posted January 26, 2011 Share Posted January 26, 2011 3.2'' here in Dundalk. Expecting 6-10'' more tonight, NAM looked quite nice. Hope we're all enjoying the snow. Link to comment Share on other sites More sharing options...
mappy Posted January 26, 2011 Share Posted January 26, 2011 light snow/sleet falling in Baltimore City Link to comment Share on other sites More sharing options...
Brianonymous Posted January 26, 2011 Share Posted January 26, 2011 Patchy layers of 0.25" - gooey snizzle. I have snizzle all over me. Link to comment Share on other sites More sharing options...
nw baltimore wx Posted January 26, 2011 Share Posted January 26, 2011 One last "umph" of good snow here now before an apparent break. Link to comment Share on other sites More sharing options...
Ellinwood Posted January 26, 2011 Share Posted January 26, 2011 Are you eyeballing it like I am, or do you have a computer output that defines which layers are unstable? I'm eye-balling it... temperature lines basically follow the moist adiabats, so while there is no real MUCAPE in the soundings, they are still conditionally unstable. Link to comment Share on other sites More sharing options...
PhineasC Posted January 26, 2011 Share Posted January 26, 2011 Moderate snow still. Link to comment Share on other sites More sharing options...
thesnowsknows Posted January 26, 2011 Share Posted January 26, 2011 About 2"+ in eastern Hoco. Light snow finally giving way to cloudy skies. With this 2 inch bonus I think ten is well within reason. Link to comment Share on other sites More sharing options...
Grothar of Herndon Posted January 26, 2011 Share Posted January 26, 2011 Drizzle and 34. Link to comment Share on other sites More sharing options...
psuhoffman Posted January 26, 2011 Share Posted January 26, 2011 2.5" now its been light snow for about an hour now. Kind of misting snow right now. Link to comment Share on other sites More sharing options...
usedtobe Posted January 26, 2011 Share Posted January 26, 2011 I'm eye-balling it... temperature lines basically follow the moist adiabats, so while there is no real MUCAPE in the soundings, they are still conditionally unstable. I looked earlier and they were actually a little more slopes than the moist adiabat and looked better than the forecast sounding yesterday. That might be the reason for the 1" in 6 hr precipitation rate. The radar over WV look impressive. Link to comment Share on other sites More sharing options...
stormtracker Posted January 26, 2011 Share Posted January 26, 2011 I looked earlier and they were actually a little more slopes than the moist adiabat and looked better than the forecast sounding yesterday. That might be the reason for the 1" in 6 hr precipitation rate. The radar over WV look impressive. Wes, how do you feel about the 1" in 6 hour thing....it probably is excessive (its the NAM after all), but is it realistic with this ull? Link to comment Share on other sites More sharing options...
Sparky Posted January 26, 2011 Share Posted January 26, 2011 2.75 inches but not snowing at the moment. Link to comment Share on other sites More sharing options...
TowsonWeather Posted January 26, 2011 Share Posted January 26, 2011 About 4 inches here in Towson - still light-to-moderate snow with big flakes but looks like this first batch is starting to wind down. Link to comment Share on other sites More sharing options...
Don Cherry's Jacket Posted January 26, 2011 Share Posted January 26, 2011 surface temps don't have an effect on the form of precip you are getting. I don't think he said it did. It does effect accumulation/stickage though. Link to comment Share on other sites More sharing options...
Huffwx Posted January 26, 2011 Share Posted January 26, 2011 Sleet reported to my west and southwest. I imagine that some sleet mixing in the next hour in lynchburg. Link to comment Share on other sites More sharing options...
clskinsfan Posted January 26, 2011 Share Posted January 26, 2011 Got about 1.5 with the first batch but no mixing. Some flurries still. Waiting for the main event. NWS upped my totals to 8-12 so they must be expecting my area to get destroyed this afternoon/evening. Link to comment Share on other sites More sharing options...
jnis Posted January 26, 2011 Share Posted January 26, 2011 Snow has picked up in Damascus to moderate. Link to comment Share on other sites More sharing options...
jonjon Posted January 26, 2011 Share Posted January 26, 2011 Second batch just reached this area. Started as a mix of freezing rain/snow. Now it looks to be mostly snow with a little sleet. NWS Pitt calling for 8-14" for here through tonight. Link to comment Share on other sites More sharing options...
Ka60 Posted January 26, 2011 Share Posted January 26, 2011 snow has picked up again in Boyds / Clarksburg area. moderate snow........ Link to comment Share on other sites More sharing options...
clskinsfan Posted January 26, 2011 Share Posted January 26, 2011 Link to comment Share on other sites More sharing options...
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