2001kx Posted December 17, 2020 Share Posted December 17, 2020 Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 This. Let's also look for next one. Link to comment Share on other sites More sharing options...
CarlislePaWx Posted December 17, 2020 Share Posted December 17, 2020 Quick update at 11:15...now 100% snow with big flakes and back to as heavy as it was in the hour before the sleet arrived. Temp had gone up to 27 but has backed down to 26.1. Will do a full ob again at midnight. Link to comment Share on other sites More sharing options...
Hoar_Frost Posted December 17, 2020 Share Posted December 17, 2020 7.2" from 7:30 to 11:00 PM. Storm total so far: 16.3". 2 Link to comment Share on other sites More sharing options...
Voyager Posted December 17, 2020 Share Posted December 17, 2020 Off to bed soon. Biggest take aways from this night is the change to sleet and the precipitation shutting completely off for the past hour or so, as well as the feeling of talking to myself all night... 1 Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 What is the OBS where your at, we are back in SN. Link to comment Share on other sites More sharing options...
MAG5035 Posted December 17, 2020 Share Posted December 17, 2020 22 minutes ago, Voyager said: We flipped to sleet when I was walking down to the fire, and now even the sleet has shut off. What level was above freezing? According to my app, everything up to 850mb is 31 or lower. Slightly higher than 850mb level, about 800-850 mostly. Here's a cross section of the NAM at 0z at it's 0hr initialization. Did the cross section from roughly Huntingdon county to Allentown with Harrisburg in the middle. That line for producing this cross section is drawn slightly south of Tamaqua. Doing one from here across to NJ with Tamaqua in the middle didn't have that patch of slightly above freezing air but that broad layer of near 0ºC. Likely was just a enough of a warm tongue to do the trick to get sleet. Link to comment Share on other sites More sharing options...
MAG5035 Posted December 17, 2020 Share Posted December 17, 2020 21 minutes ago, CarlislePaWx said: Change back to snow here began about 45 minutes ago. Still some sleet but more snow now with big flakes. I cleared off my board again and melted down the sleet. The sleet measured 1.3" total and the sleet melted down to 0.43" of liquid! Not far from 3:1 ratio. So the 4 1/2 hours of sleet would have been 4" of snow had it not changed over. So total liquid for the storm is now 1.04" which consisted of 5.5" of snow and 1.3" of sleet for a frozen total of 6.8". Anxious to see if the big surprise it outside tomorrow morning when I get up. NWS calling for 5 to 9 inches overnight. Here's hoping. Big congrats to everyone west of here that have scored big this event! 1.3" of sleet?? Congrats in advance on the white X-mas lol. Link to comment Share on other sites More sharing options...
Itstrainingtime Posted December 17, 2020 Share Posted December 17, 2020 Back to snow here with just a few pingers. Snow/sleet total is 7.4"...hoping to end up in the 10-12" range. Link to comment Share on other sites More sharing options...
Itstrainingtime Posted December 17, 2020 Share Posted December 17, 2020 Just now, MAG5035 said: 1.3" of sleet?? Congrats in advance on the white X-mas lol. I had 1.1" of sleet here. Link to comment Share on other sites More sharing options...
canderson Posted December 17, 2020 Share Posted December 17, 2020 7 minutes ago, Voyager said: Off to bed soon. Biggest take aways from this night is the change to sleet and the precipitation shutting completely off for the past hour or so, as well as the feeling of talking to myself all night... Sleet all the way into northern NJ. Story of this storm is how the Euro really had bad thermal temps imo. Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 Just now, Itstrainingtime said: I had 1.1" of sleet here. Radar looks good. Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 It's back to snow here. Link to comment Share on other sites More sharing options...
Voyager Posted December 17, 2020 Share Posted December 17, 2020 3 minutes ago, MAG5035 said: Slightly higher than 850mb level, about 800-850 mostly. Here's a cross section of the NAM at 0z at it's 0hr initialization. Did the cross section from roughly Huntingdon county to Allentown with Harrisburg in the middle. That line for producing this cross section is drawn slightly south of Tamaqua. Doing one from here across to NJ with Tamaqua in the middle didn't have that patch of slightly above freezing air but that broad layer of near 0ºC. Likely was just a enough of a warm tongue to do the trick to get sleet. Thanks. Amazing how such a shallow area can change the outcome. Link to comment Share on other sites More sharing options...
canderson Posted December 17, 2020 Share Posted December 17, 2020 Updated CTP map Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 The Pivot finally is happening. That was what was modeled during the late night. It is happening. Enjoy. Link to comment Share on other sites More sharing options...
Blizzard of 93 Posted December 17, 2020 Share Posted December 17, 2020 The pivot on the radar is beautiful to watch develop. It is really filling in nicely! Do you guys think that the precip in western PA & WV will also pivot east towards the Susquehanna Valley? Link to comment Share on other sites More sharing options...
Blizzard of 93 Posted December 17, 2020 Share Posted December 17, 2020 18 minutes ago, paweather said: It's back to snow here. Yes, all snow in Marysville as well. Link to comment Share on other sites More sharing options...
paweather Posted December 17, 2020 Share Posted December 17, 2020 3 minutes ago, Blizzard of 93 said: Yes, all snow in Marysville as well. Yep pouring snow right now. Link to comment Share on other sites More sharing options...
Blizzard of 93 Posted December 17, 2020 Share Posted December 17, 2020 Latest HRRR has about 4 to 6 more inches of snow to go yet depending on which ratio wins out tonight in the LSV! Link to comment Share on other sites More sharing options...
Voyager Posted December 17, 2020 Share Posted December 17, 2020 Precipitation started back up again here after a lull. It's still sleet though, even though it's quite heavy. I was hoping it would be back to snow... Link to comment Share on other sites More sharing options...
anotherman Posted December 17, 2020 Share Posted December 17, 2020 Precipitation started back up again here after a lull. It's still sleet though, even though it's quite heavy. I was hoping it would be back to snow... It will be....when mine started again it was sleet and then turned to snow. Link to comment Share on other sites More sharing options...
Heisy Posted December 17, 2020 Share Posted December 17, 2020 Like the heaviest of the storm Lewisburg took a nap during the lull. If this can keep up we’ll hit around 16-19 I think 1 Link to comment Share on other sites More sharing options...
MillvilleWx Posted December 17, 2020 Share Posted December 17, 2020 Evening y'all! Hope everyone enjoyed the snow. I missed all the action today with my last mid tonight and struggling to sleep for part of the day. I hope the snow can stick around and provide everyone with a white Christmas. I noticed the mix got as far north as the Nam Nest entailed, which sucks, cuz that cut on the totals. But, I'm sure many in here will take the snow that fell after last years debacle. Look forward to gazing through through the thread for pics and living vicariously. Have a great night y'all! 1 Link to comment Share on other sites More sharing options...
CarlislePaWx Posted December 17, 2020 Share Posted December 17, 2020 Heading off for the night. My midnight observation was moderate to heavy snow was falling following an entire hour with very heavy snow which totaled 1.5" between 11pm and midnight. This brings the storm total for 12/16 to 8.3". I'll be back in the morning with the final numbers on both snowfall and liquid equivalent. Temp down further to 24.8 degrees on fairly light northwesterly winds. Nite all! 1 Link to comment Share on other sites More sharing options...
MAG5035 Posted December 17, 2020 Share Posted December 17, 2020 1 hour ago, Hoar_Frost said: 7.2" from 7:30 to 11:00 PM. Storm total so far: 16.3". Wow that's impressive, are you in State College? That's a pretty big difference from State College to down here in Altoona if so. I'm between 9.5"-10". Just didn't get those rates in that timeframe with the deform banding settling just west and NW of here. Link to comment Share on other sites More sharing options...
anotherman Posted December 17, 2020 Share Posted December 17, 2020 It is just ripping here. Feels like 30-40 mph winds too. Link to comment Share on other sites More sharing options...
MAG5035 Posted December 17, 2020 Share Posted December 17, 2020 I Jebwalked on down to Sheetz just a bit ago. Prob gonna take a good part of the morning to get roads straightened up after the snow stops. 5 Link to comment Share on other sites More sharing options...
NeffsvilleWx Posted December 17, 2020 Share Posted December 17, 2020 2 minutes ago, anotherman said: It is just ripping here. Feels like 30-40 mph winds too. 12g26 here at my less-than-ideal siting (have the 10m height, but have 70 year old oaks too...) So if you're in a more open area I could easily see gusts to 35-40 Link to comment Share on other sites More sharing options...
Voyager Posted December 17, 2020 Share Posted December 17, 2020 37 minutes ago, anotherman said: It will be....when mine started again it was sleet and then turned to snow. Yup. It did finally. Link to comment Share on other sites More sharing options...
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