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Terpeast

Meteorologist
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Everything posted by Terpeast

  1. My nowcast guess - based on radar, seems to be some convergence from HGR/MRB down to west of leesburg to warrenton. Maybe thinking thats where the norlun forms initially and then slowly migrates east to DC
  2. To be clear, only on grassy areas and car tops. Roads nowhere near caving yet. Just need to lop off another degree
  3. Down to 33! Already 1/4-1/2 inch on the ground
  4. Ripping. 34. Should start to accumulate soon
  5. 35 and dropping. All snow. Ripping flakes. It’s game on!
  6. Just saw the loop. Yes it’s a slow moving band that starts forming over me and migrates east slowly over several hours.
  7. I see flakes mixing in. About 20 minutes ahead of time?
  8. If this is correct (which is still an open question), someone in NW dc and alexandria is going to get pummeled
  9. I’m under yellows per radar, but rain is not that heavy. I think there is some bright banding going on up there. It’s getting close (column is starting to cool)
  10. Over under 4”, those who get the norlun will be safely over
  11. I don’t think the globals have value at this point when calculating how much qpf falls before/after the flip and doing the math. The CAMs already account for this, they hardly have any accumulation (0.5” or less) anywhere but the high elevs until 22-23z. Even if we lop off an inch across the board due to melting, the forecast will still verify on the middle to low end. We won’t hit the 90th percentile numbers so I think we can put that to bed, but the forecast is still very much in play.
  12. Lost a degree in the half hour. 37.8 0.15” so far
  13. I’ll see your 3 miles east and then raise you another 10 miles west. May the best hand win
  14. There’s a “ridge” a mile to the west of me peaking at 475-500 ft, and I haven’t noticed any difference. But if talking about going up past the bigger hill on rt 7 west of leesburg, then yeah they’ve done better.
  15. I’m at 350, 7 miles NW of IAD. My relatively mid elevation hasn’t hurt me before in marginal events, but this time it might
  16. 39/37 rain My station may actually be running a tad warm compared to neighboring pws, most are at 37 actually
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