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Terpeast

Meteorologist
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Everything posted by Terpeast

  1. Yes, that and how the ridge is oriented. Right now it's a bit too east and tilted east up top
  2. Looks like the trough/sw is backing west, eliminating some OTS possibilities. But we'll just have to see how far west it backs until they hone into something that's close to a solution. The storm yesterday - the NS wave and the phase kept backing west for days, and for a couple days it was at the sweet spot for us, and then it still kept backing west.
  3. 12/5: 1.5” 12/14: 1.0” 1/1: 0.2” 1/17: 0.3” 1/25: 9.5” (5.5 sn 4.0 ip) Total: 12.5”
  4. How they roll I guess. Assuming they just stuck a ruler in the ground close to the river.
  5. Yes that’s correct. Apply usual snowboard measuring rules except in this case you measure at the flip, then add the snow + sleet totals
  6. DCA 6.8 IAD 7.8 Spotter in Ashburn reported 9.8”, which is consistent with my 9.5” so that’s good to see I’m measuring it right Edit: ninja’ed by George BM
  7. I wouldn’t sleep on this one. Right now ridge and trough axis too far east, but we said the same thing about today’s threat being too suppressed. Lots of time for things to change for better or worse.
  8. On top of what we got today? If that panned out, counties might as well give up on make up days and people are gonna go stir crazy haha
  9. Another inch of sleet had fallen since my last 8.5” measurement. Back edge about to clear my area. Calling it 9.5” total, 5.5” snow 4.0” sleet. Crazy storm
  10. Tbh I was surprised the sleet line blew past us all the way to Harrisburg PA given the arctic airmass we got. I figured the DMV would mix so I gave them 4-8” with 6-10 in the NW suburbs, which seems to have done okay. But I didn’t have southern PA going to sleet just a couple hours after we did!
  11. Credit where its due - 3k NAM got the thermals right, timed the changeover quite well. Whiffed on pre-flip qpf though.
  12. Back edge approaching. Temp creeping up a few tenths - 16.7. Some freezing drizzle in the dry slot certainly isn’t out of the question. I’m expecting to see a thin glaze tomorrow morning.
  13. Definitely a high impact memorable storm here, maybe just not exactly in the way we wanted it to turn out. But we ain’t going anywhere for at least a few days probably longer
  14. I’m hoping precip shuts off as it crosses the mountains leaving us with only 2-3 hours left, and it stays sleet. Your numbers are similar to mine, maybe 0.5” less for me
  15. Holding at 16. Still coming down, have not checked if there is any zr
  16. 8.5” total, 5.5” pure snow plus 2 inches of snow/sleet mix, and 1” pure sleet. Shoveling is brutal. I didn’t finish.
  17. Temp backed down to 15, was 16 an hour ago. Really hoping we can hold off the zr until dry slot
  18. 16, sleet and pixie dust. I’m sure I have 8” total frozen by now. And that plume of moisture headed our way is honestly starting to scare me. This stuff will glacierize
  19. Timing the transition was tough for me this time. I first started getting pingers/rimed flakes at around 7:30, but kept mixing and flipping in between until around 10 am. The mix accumulated so effectively that might as well have been all snow. Visibility was low, only 1/4-1/8 mile. Then it greatly improved at around 10, when it was just pure sleet without the tiny flakes or needles.
  20. Heavy sleet, 15. Still piling up. 7” total
  21. All sleet now aa rates lightened up. That last band was legit, dropped another inch in a an hour even with low ratios/mix.
  22. Yes its really dumping rn. Temps holding at 14.2
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