MN Transplant Posted February 13, 2015 Share Posted February 13, 2015 This is not a normal sounding around here Link to comment Share on other sites More sharing options...
HighStakes Posted February 13, 2015 Share Posted February 13, 2015 This should be good. I don't see a lot that can go wrong with this one. Yikes, maybe I should have waited til I see the radar tomorrow at 5 o'clock before I said that. Link to comment Share on other sites More sharing options...
Bob Chill Posted February 13, 2015 Author Share Posted February 13, 2015 GFS has 30-40mph gusts with the squall line and then keeps it rolling with 40+ all Saturday night into sunday morning. Link to comment Share on other sites More sharing options...
Kmlwx Posted February 13, 2015 Share Posted February 13, 2015 GFS has 30-40mph gusts with the squall line and then keeps it rolling with 40+ all Saturday night into sunday morning. It's funny because as soon as we finally invested in a generator we have barely needed to use it. Maybe it gets some use finally. Link to comment Share on other sites More sharing options...
Bob Chill Posted February 13, 2015 Author Share Posted February 13, 2015 It's funny because as soon as we finally invested in a generator we have barely needed to use it. Maybe it gets some use finally. No kidding. I gotta drain the gas out of mine and add fresh. It's at least 2 years old now. Link to comment Share on other sites More sharing options...
WEATHER53 Posted February 13, 2015 Share Posted February 13, 2015 10* for a low and had gusts to 30 up until 3/4 am. Link to comment Share on other sites More sharing options...
yoda Posted February 13, 2015 Share Posted February 13, 2015 Entire LWX CWA now under HWWatch Link to comment Share on other sites More sharing options...
Ian Posted February 13, 2015 Share Posted February 13, 2015 This is not a normal sounding around here NAM_218_2015021312_F48_39.0000N_77.0000W.png Reach up and touch the tropopause Link to comment Share on other sites More sharing options...
Bob Chill Posted February 13, 2015 Author Share Posted February 13, 2015 Will be interesting to see what kind of low temps DCA can pull off saturday night. That type of CAA will easily overcome UHI. Will still be the warmest airport reading of course but we'll see how big the spread is. Link to comment Share on other sites More sharing options...
gymengineer Posted February 13, 2015 Share Posted February 13, 2015 Will be interesting to see what kind of low temps DCA can pull off saturday night. That type of CAA will easily overcome UHI. Will still be the warmest airport reading of course but we'll see how big the spread is. It was only a 1-2 F difference among the three airports in the 1/94 record cold event. Link to comment Share on other sites More sharing options...
Fozz Posted February 13, 2015 Share Posted February 13, 2015 Entire LWX CWA now under HWWatch Also a Wind Chill Watch Link to comment Share on other sites More sharing options...
MN Transplant Posted February 13, 2015 Share Posted February 13, 2015 Reach up and touch the tropopause Overshooting tops on the snow squalls! Link to comment Share on other sites More sharing options...
gymengineer Posted February 13, 2015 Share Posted February 13, 2015 12Z NAM ~0.15" at DCA and IAD 12Z GFS ~0.06/0.07" 12Z RGEM ~0.2" 12Z Euro, looks like 1"+ of snow for most of us from the snow map in the other thread A difference between this event and the other clippers we've seen this season is that all the precip falls in a very short window, so we're likely to see impressive rates for that one hour if the models are close to reality. Kind of like 12/25/93? Link to comment Share on other sites More sharing options...
yoda Posted February 13, 2015 Share Posted February 13, 2015 Also a Wind Chill Watch Wind Chill Watch is for BR and west... not for all of us ETA: And also N MD and parts of C MD Link to comment Share on other sites More sharing options...
mappy Posted February 13, 2015 Share Posted February 13, 2015 Wind Chill Watch is for BR and west... not for all of us mmm, I'm not BR and i have a wind chill watch Link to comment Share on other sites More sharing options...
high risk Posted February 13, 2015 Share Posted February 13, 2015 yes. with most clippers, we get a few hours of steady snowfall in more of a warm advection pattern. Tomorrow, the low is passing to our north, and we get basically get a narrow corridor of very intense lift right along the cold front. This is clearly depicted in the simulated reflectivity products. A difference between this event and the other clippers we've seen this season is that all the precip falls in a very short window, so we're likely to see impressive rates for that one hour if the models are close to reality. Kind of like 12/25/93? Link to comment Share on other sites More sharing options...
ACFD FIREMAN Posted February 13, 2015 Share Posted February 13, 2015 12Z NAM ~0.15" at DCA and IAD 12Z GFS ~0.06/0.07" 12Z RGEM ~0.2" 12Z Euro, looks like 1"+ of snow for most of us from the snow map in the other thread A difference between this event and the other clippers we've seen this season is that all the precip falls in a very short window, so we're likely to see impressive rates for that one hour if the models are close to reality. Kind of like 12/25/93? Reminds me of that event too. Multiple lightning flashes with heavy snow and winds. Dropped an inch or two followed by serious cold the next couple days. Link to comment Share on other sites More sharing options...
HighStakes Posted February 13, 2015 Share Posted February 13, 2015 12Z NAM ~0.15" at DCA and IAD 12Z GFS ~0.06/0.07" 12Z RGEM ~0.2" 12Z Euro, looks like 1"+ of snow for most of us from the snow map in the other thread A difference between this event and the other clippers we've seen this season is that all the precip falls in a very short window, so we're likely to see impressive rates for that one hour if the models are close to reality. Kind of like 12/25/93? Good memory on Christmas 93. That was a great squall. Got a quick inch in less than 30 minutes. Link to comment Share on other sites More sharing options...
MN Transplant Posted February 13, 2015 Share Posted February 13, 2015 LWX talked about the pre-frontal band possibly moistening the atmosphere in this morning's discussion. The 18z NAM is the most robust with this feature yet. Link to comment Share on other sites More sharing options...
MN Transplant Posted February 13, 2015 Share Posted February 13, 2015 Looks decent. Better to be DC and north. Our I81 friends are not looking good. Link to comment Share on other sites More sharing options...
snowfan Posted February 13, 2015 Share Posted February 13, 2015 Looks like 1-2" for DC north and northeast. Link to comment Share on other sites More sharing options...
Expat Posted February 13, 2015 Share Posted February 13, 2015 I suppose Fairfax County is still good...right? Link to comment Share on other sites More sharing options...
WxUSAF Posted February 13, 2015 Share Posted February 13, 2015 0.1"+ of liquid if you're east of FDK it looks like. Link to comment Share on other sites More sharing options...
Windman18 Posted February 13, 2015 Share Posted February 13, 2015 http://www.tropicaltidbits.com/analysis/models/rgem/2015021312/rgem_asnow_neus_15.png About 2 inches for a good chunk of MD on the rgem. Link to comment Share on other sites More sharing options...
BristowWx Posted February 13, 2015 Share Posted February 13, 2015 0.1"+ of liquid if you're east of FDK it looks like.But less than 12z just west of DC in NoVA...I think Link to comment Share on other sites More sharing options...
clueless Posted February 13, 2015 Share Posted February 13, 2015 I suppose Fairfax County is still good...right? North northeast will do better. Not sure what your definition of good is. Link to comment Share on other sites More sharing options...
mitchnick Posted February 13, 2015 Share Posted February 13, 2015 http://www.tropicaltidbits.com/analysis/models/rgem/2015021312/rgem_asnow_neus_15.png About 2 inches for a good chunk of MD on the rgem. 12Z run Link to comment Share on other sites More sharing options...
WinterWxLuvr Posted February 13, 2015 Share Posted February 13, 2015 Looks decent. Better to be DC and north. Our I81 friends are not looking good. Somebody likes the possibility........LOL. http://www.weather.gov/images/lwx/winter/SnowAmt90Prcntl.png Link to comment Share on other sites More sharing options...
MN Transplant Posted February 13, 2015 Share Posted February 13, 2015 I have a hard time believing that we are going to see a consistent 1-2" swath of snow. I'm thinking most will be <1" with spotty locations doing better. Link to comment Share on other sites More sharing options...
mitchnick Posted February 13, 2015 Share Posted February 13, 2015 I have a hard time believing that we are going to see a consistent 1-2" swath of snow. I'm thinking most will be <1" with spotty locations doing better. that's the max potential map he linked, not their forecast Link to comment Share on other sites More sharing options...
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