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WEATHER53

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Everything posted by WEATHER53

  1. WEATHER53
    Sleet took over in a flash at 1:28pm do not think it took more than 1 minute to completely transition to 100% sleet after picking up another 0.5” snow from 1pm obs to bring total to 2” 31F
  2. WEATHER53
    Heavy snow, went to the huge 2-3”ph flakes for about 10 mins and though changeover might be moving in but back to moderate to heavy 1”ph stuff and all snow
  3. WEATHER53
    1pm obs Moderate snow, moderate to heavy snow in last hour with 0.8” additional and 1.5” on the board Temp down to 31 and baro down to 30.20. Snow is icier but no sleet
  4. WEATHER53
    Winds have more north component than east , nne and that’s good
  5. WEATHER53
    Why is because baro has exerted like I said it would
  6. WEATHER53
    The zig zag northwest was a wierd forecast depiction. Snow direction is varying from east to northwest so cold air is not retreating and low is not inland nor will it be up the bay. If baro keeps dropping at 0,04-0.05ph the critical time for immediate n and w suburbs looks to be 2-3pm. Nowcasting at its finest
  7. WEATHER53
    12 noon obs 0.6” accumulations on board. Rate last hour 0.5-0.75”ph. Snow is icier but no bouncers. Baro down to 30.25 and temp down to 31.5.
  8. WEATHER53
    Knew that high could hang back west. It’s not even to NH Think DC and n and w are good for snow until 2-3pm and we nowcast until then
  9. WEATHER53
    Please take normal people talk to banter
  10. WEATHER53
    Snow started 10:10am currently 32.1 with low of 30. Snow sticking to grass and cars, most shaded concrete and some sun exposed. Rate is light with infrequent burst of large flakes, baro 30.28 down 0.06 in last 3 hours
  11. WEATHER53
    11am opening obs light snow. Snow commenced 10:10am. Light dusting on grass and cars, most shaded concrete and some sun exposed concrete 32.1F, low of 30, baro 30.28 and falling 0.02 ph over last 3 hours
  12. WEATHER53
    It’s a ne move misread as n-nw then abruptly east instead of smooth and steady ne
  13. WEATHER53
    The high is not even in Maine yet and it’s 5mb stronger and that low gonna get shoved bit more east and south
  14. WEATHER53
    How many miles would you estimate?
  15. WEATHER53
    However it turns out, when we had our best maps 2-3 days ago there was no low even to the west coast Beside showing all scenarios models try to microscope things when they should be binoculars or telescopes. They try to predict very specific things for the east coast before Anything has showed up on the west coast or gulf coast and they rarely can do that successfully
  16. WEATHER53
    9pm obs Thin overcast 33.2/23 407’ elevation 30.37 and steady
  17. WEATHER53
    30.15-30.30 is golden, higher than that becomes suppressive and under 30.00 and we lose the cold air. This is at the onset and during the event , my current 30.37 will not be suppressive but is a good high point to start the fall from. With a weaker low that is very well placed we can make it down to 29.85. There are exceptions but it’s a great indicator
  18. WEATHER53
    Thin overcast 35/22. High of 40 3.5F temp drop since 5pm
  19. WEATHER53
    Been dark about 40 minutes and temp has dropped 3 degrees to 36.5/22 Dont worry about the thin clouds holding temps up, the 30.35 high and n-nw light breezes are controlling. We are probably going to be 32/25 at event start time and drop to 29/30 with the evap. I don’t think freezing rain will be an issue. I think honestly it’s just too hard to tell what’s going to happen between 1-9pm but I do think by 9 it’s all snow for DC and north and west .
  20. WEATHER53
    Yeah I jumped the gun on that a bit.
  21. WEATHER53
    His principal role is to be a snow hope buster. It’s for our own good and that sort of stuff. There have Always been one or two for decades.
  22. WEATHER53
    Most of the day was 39-42 and your observation from 11am that this afternoon would torch because it was 40 at 11am was incorrect. Save the despondency for banter
  23. WEATHER53
    A misdiagnosis that was made at 11am and repeated was that since temp was 40 at 11am we were already in trouble with rising temps. The sun strength is zero right now and rising barometer with fresh nw breeze allows no afternoon warming and that is what happened Expert similar cold air exertion for the text of the way. I was 38/20 at 11am and 39/20 now, that’s a snower for me
  24. WEATHER53
    I think the cold air source will be less tepid and shallow than is popularly discussed. It began to establish itself late last night and is not the stale 48 hour stuff that often messes us up, tight nowIm 38/20 with a 30.28. That’s near perfection and other time in the past when things appeared more optimistic I never got into an ideal range like described currently its going to be a nowcast event..
  25. WEATHER53
    I think the dismissals of the high last night are looking incorrect. DC built rapidly and steadily overnight and is continuing. 1028 here right now on a high that is forecasted to be 1032-1036 1000 miles to our north is an excellent showing down here at this time
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