clskinsfan Posted March 2, 2014 Share Posted March 2, 2014 The RAP has snow out here by midnight. Around 1 in the city and it is all snow from there through the end of the run. It looks great. Link to comment Share on other sites More sharing options...
ers-wxman1 Posted March 2, 2014 Share Posted March 2, 2014 Leading edge of arctic surge just about over the Mason Dixon line and heading south. Timing looks good for next precip surge. Should see sleet/freezing rain changeover roughly 1130-1am in DC metro. Link to comment Share on other sites More sharing options...
yoda Posted March 2, 2014 Share Posted March 2, 2014 Changeover between 1am-2am too. 22z RAP was about the same... 2am changeover if rates are heavy enough Link to comment Share on other sites More sharing options...
snowfan Posted March 2, 2014 Share Posted March 2, 2014 HRRR is terribly slow on wxbell, but it has the snow line pushing through baltimore at 11pm. Link to comment Share on other sites More sharing options...
yoda Posted March 2, 2014 Share Posted March 2, 2014 15 degrees and this USA_SRATEI_sfc_016.gif 15 degrees and 1.5" p/h snows... sweet Link to comment Share on other sites More sharing options...
mitchnick Posted March 2, 2014 Share Posted March 2, 2014 personally, I'd rather wait for a change till at least 1AM because anything much earlier than that says the cold is pressing more jmho Link to comment Share on other sites More sharing options...
ers-wxman1 Posted March 2, 2014 Share Posted March 2, 2014 Frozen p-type onset graphic http://www.erh.noaa.gov/lwx/onset/ Link to comment Share on other sites More sharing options...
mitchnick Posted March 2, 2014 Share Posted March 2, 2014 15 degrees and this USA_SRATEI_sfc_016.gif those Instawx maps are nice but too darn small! do they have a bigger option on their site? Link to comment Share on other sites More sharing options...
baltimoreguy Posted March 2, 2014 Share Posted March 2, 2014 15 degrees and this USA_SRATEI_sfc_016.gif Mason-Dixon cutoff is pretty astounding Link to comment Share on other sites More sharing options...
mitchnick Posted March 2, 2014 Share Posted March 2, 2014 Mason-Dixon cutoff is pretty astounding it's nice being on our side of the 40N line for once Link to comment Share on other sites More sharing options...
Ltrain Posted March 2, 2014 Share Posted March 2, 2014 Latest RPM run. Link to comment Share on other sites More sharing options...
snowfan Posted March 2, 2014 Share Posted March 2, 2014 22z HRRR has freezing line south of DC at 2 am. Big slug of moisture hanging back in KY/TN. Link to comment Share on other sites More sharing options...
chris87 Posted March 2, 2014 Share Posted March 2, 2014 15 degrees and this USA_SRATEI_sfc_016.gif there's something weird i've been noticing all day with the new RAP snowfall rates fields -- some time steps you see a flip between convective and non-convective rates -- check the 10h forecast for the 23z run -- something doesn't look right about those stark gradients in rates -- Link to comment Share on other sites More sharing options...
Bob Chill Posted March 3, 2014 Share Posted March 3, 2014 High res version of the rap definitely have decent rates above the m/d line. Very little freezing rain/sleet on the runs. It pretty much charges in and switches. I'll bet less than 1hr of sleet before game on. Link to comment Share on other sites More sharing options...
Ian Posted March 3, 2014 Share Posted March 3, 2014 Having no work makes it all worth it. Also, drizzly. eta: oops, wrong thread Link to comment Share on other sites More sharing options...
Eskimo Joe Posted March 3, 2014 Share Posted March 3, 2014 Frozen p-type onset graphic http://www.erh.noaa.gov/lwx/onset/ Nice, thanks. Link to comment Share on other sites More sharing options...
Ian Posted March 3, 2014 Share Posted March 3, 2014 I'm going with getting Fredericked on this one. #weeniemode Link to comment Share on other sites More sharing options...
Ltrain Posted March 3, 2014 Share Posted March 3, 2014 Here is Tony Pann's snow map. Link to comment Share on other sites More sharing options...
yoda Posted March 3, 2014 Share Posted March 3, 2014 Isn't Tony Pann on Channel 9 with Topper? Or did he move? Link to comment Share on other sites More sharing options...
PhineasC Posted March 3, 2014 Share Posted March 3, 2014 15 degrees and this USA_SRATEI_sfc_016.gif Good Lord that is a horrible cutoff. Link to comment Share on other sites More sharing options...
T. August Posted March 3, 2014 Share Posted March 3, 2014 Here is Tony Pann's snow map. That carve-out on the map north of Baltimore is straight from the RAP lol... Link to comment Share on other sites More sharing options...
ravensrule Posted March 3, 2014 Share Posted March 3, 2014 Isn't Tony Pann on Channel 9 with Topper? Or did he move? No, he is on channel 11 in Baltimore now. Link to comment Share on other sites More sharing options...
yoda Posted March 3, 2014 Share Posted March 3, 2014 23z RAP has a snow sounding at DCA at 2am (07z) Link to comment Share on other sites More sharing options...
waldo5252 Posted March 3, 2014 Share Posted March 3, 2014 Here is Tony Pann's snow map. I love the little 12"+ dot below Easton. Link to comment Share on other sites More sharing options...
Bob Chill Posted March 3, 2014 Share Posted March 3, 2014 hrrr sim rad @ 6am. I'm in post pretty map mode now. Link to comment Share on other sites More sharing options...
nj2va Posted March 3, 2014 Share Posted March 3, 2014 23z RAP is sleet at 1a but looks to be snow at 2a on the sounding. Ninja'd by Yoda! Link to comment Share on other sites More sharing options...
packfan98 Posted March 3, 2014 Share Posted March 3, 2014 Here's a good animation for the hrrr from weatherbell. It's free and updates every hour. It shows the changeover line pretty well. Also, the hrrr did great for the storm on 2/12. http://models.weatherbell.com/news/hrrr_current_ne.gif Link to comment Share on other sites More sharing options...
Sparky Posted March 3, 2014 Share Posted March 3, 2014 I use wxbell. Not sure about twister. Here's a snip @ 7am hrrr.JPG at least that seems to imply some banding further north to the PA line. Link to comment Share on other sites More sharing options...
ravensrule Posted March 3, 2014 Share Posted March 3, 2014 Here is Tony Pann's snow map. Pretty good map imo. Link to comment Share on other sites More sharing options...
WxUSAF Posted March 3, 2014 Share Posted March 3, 2014 Pretty good map imo. I agree. I think the 4" side is a little low, but otherwise no big issues. Link to comment Share on other sites More sharing options...
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