Kmlwx Posted January 4, 2022 Share Posted January 4, 2022 6 minutes ago, high risk said: I think that what is happening is that the MAG site where you got this image displays "snow depth change" and not "positive snow depth change" like Tropical Tidbits does. The distinction is that the snow depth change is going to tally snow on the ground today that melts before Thursday night as a negative. So, if an area has 4" melt and then gets 4" of new snow, that map will show a 0. (Even negative values are possible, but that map starts at 0.) The positive snow depth map on Tropical Tidbits looks way different and shows several inches of new snow across VA/MD/DE. It's also Chuck....so that may be part of it as well 1 5 Link to comment Share on other sites More sharing options...
aldie 22 Posted January 4, 2022 Share Posted January 4, 2022 1 minute ago, nw baltimore wx said: That's very cool. Thanks! That was the polite way of saying Shut.p Chuck 1 2 Link to comment Share on other sites More sharing options...
WEATHER53 Posted January 4, 2022 Share Posted January 4, 2022 Looks like a brush by snow that’s not an A nor B but rather a wsw-ene mover as opposed to the last one moving sw-ne if we start to get into the aspect of where we need a transfer and phase then, as most always, we right around DC are in trouble Link to comment Share on other sites More sharing options...
Solution Man Posted January 4, 2022 Share Posted January 4, 2022 7 minutes ago, high risk said: I think that what is happening is that the MAG site where you got this image displays "snow depth change" and not "positive snow depth change" like Tropical Tidbits does. The distinction is that the snow depth change is going to tally snow on the ground today that melts before Thursday night as a negative. So, if an area has 4" melt and then gets 4" of new snow, that map will show a 0. (Even negative values are possible, but that map starts at 0.) The positive snow depth map on Tropical Tidbits looks way different and shows several inches of new snow across VA/MD/DE. Thank you for clarification 2 Link to comment Share on other sites More sharing options...
stormtracker Posted January 4, 2022 Share Posted January 4, 2022 12 minutes ago, StormchaserChuck! said: It actually misses north.. these maps are rarely wrong. Come here Chuck. Have a seat. I have news. 1 7 Link to comment Share on other sites More sharing options...
StormchaserChuck! Posted January 4, 2022 Share Posted January 4, 2022 I've been watching them, and it happens as it snows. They have 100% of the time been in the general range. Sometimes you cant tell from QPF if it's 5-10" or 1-3".. it's good 2 1 Link to comment Share on other sites More sharing options...
StormchaserChuck! Posted January 4, 2022 Share Posted January 4, 2022 Just now, stormtracker said: Come here Chuck. Have a seat. I have news. Opening the borders of Canada? 3 Link to comment Share on other sites More sharing options...
aldie 22 Posted January 4, 2022 Share Posted January 4, 2022 Feels like Sunday might be something to watch as well although it's mostly rain at the moment Link to comment Share on other sites More sharing options...
Scraff Posted January 4, 2022 Share Posted January 4, 2022 Second biggest Euro run of the year forthcoming? 4 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 The pattern in the actual long range looks very cold but dry 3 Link to comment Share on other sites More sharing options...
SnowenOutThere Posted January 4, 2022 Share Posted January 4, 2022 3 minutes ago, leesburg 04 said: Feels like Sunday might be something to watch as well although it's mostly rain at the moment Might get some freezing rain to protect the potential snow pack Link to comment Share on other sites More sharing options...
WEATHER53 Posted January 4, 2022 Share Posted January 4, 2022 Dc is in a snow pattern 1 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 Early on the euro also trended south and stronger with the lead NS SW. Expected as they was universal across all 12z guidance. That’s what I’ll be watching in future runs. 1 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 It’s also stronger with the trailing SW so maybe it will be a wash. But definitely less room to breath with less ridging and a more compressed suppressive flow in front of it. 1 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 Also a little faster with the second wave which decreases the spacing. Link to comment Share on other sites More sharing options...
StormchaserChuck! Posted January 4, 2022 Share Posted January 4, 2022 5 minutes ago, WEATHER53 said: Dc is in a snow pattern Surprise -PNA/SE ridge Link to comment Share on other sites More sharing options...
baltosquid Posted January 4, 2022 Share Posted January 4, 2022 1 minute ago, psuhoffman said: It’s also stronger with the trailing SW so maybe it will be a wash. But definitely less room to breath with less ridging and a more compressed suppressive flow in front of it. If one of the models spits out a harsher cutoff at some point today, I think the board will go (more) insane. Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 Good: more amplified second SW and more consolidated system bad: further south and stronger lead NS wave, less separation between systems, flatter flow in front. Link to comment Share on other sites More sharing options...
peribonca Posted January 4, 2022 Share Posted January 4, 2022 Just now, psuhoffman said: Good: more amplified second SW and more consolidated system bad: further south and stronger lead NS wave, less separation between systems, flatter flow in front. End result? Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 The more suppressive flow won the trade off battle. Link to comment Share on other sites More sharing options...
nw baltimore wx Posted January 4, 2022 Share Posted January 4, 2022 1-2" of fluff. Link to comment Share on other sites More sharing options...
Scraff Posted January 4, 2022 Share Posted January 4, 2022 Then who are we congratulating? Short Pump?? 1 1 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 2 1 2 1 Link to comment Share on other sites More sharing options...
psuhoffman Posted January 4, 2022 Share Posted January 4, 2022 Just now, Scraff said: Then who are we congratulating? Short Pump?? No one. Not enough room for the system to amplify along the east coast because of the stronger lead wave and faster trailing wave. Not enough spacing. So the system pretty much washes out. No one gets anything of significance. 1 Link to comment Share on other sites More sharing options...
Maestrobjwa Posted January 4, 2022 Share Posted January 4, 2022 3 minutes ago, psuhoffman said: The more suppressive flow won the trade off battle. In other words the Nina ns won this run, lol Link to comment Share on other sites More sharing options...
SomeguyfromTakomaPark Posted January 4, 2022 Share Posted January 4, 2022 Still a decent track for the low pressure for our region. I'll roll the dice with that track. Link to comment Share on other sites More sharing options...
Buddy1987 Posted January 4, 2022 Share Posted January 4, 2022 2 minutes ago, psuhoffman said: I forgot what option you offered me yesterday but there is that scenario for southern portion of forum Link to comment Share on other sites More sharing options...
Interstate Posted January 4, 2022 Share Posted January 4, 2022 3 minutes ago, psuhoffman said: Two days off of school for the kids? Link to comment Share on other sites More sharing options...
87storms Posted January 4, 2022 Share Posted January 4, 2022 it literally hasn't snowed a dusting up here so far this winter, so i'm perfectly ok with that solution. it didn't look impossibly bad with the lead precip shield still pretty far north. Link to comment Share on other sites More sharing options...
Warm Nose Posted January 4, 2022 Share Posted January 4, 2022 No soup for you! (Or any of us) Link to comment Share on other sites More sharing options...
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