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TimB

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  1. TimB
    Thing passed right over the north hills. My biggest hailstones were around quarter to half dollar size. Reports of up to golf ball.
  2. TimB
    This past weekend was the first time on record that PIT airport didn’t get below 60 for consecutive days in March.
  3. TimB
    Low of 64 so far. If that holds through 1am (possible) it will be the warmest March low ever observed at Pittsburgh International and tied for 2nd in the entire period of record.
  4. TimB
    Officially a high of 81 at PIT. This is the earliest ever 81 on record, just 134 days after we recorded the latest ever 81 on record on 11/5/2024.
  5. TimB
    Looks like we did reach 80. That hourly obs of 80/14 is now officially the lowest relative humidity ever observed at PIT (8%).
  6. TimB
    Current obs of 79/16 at PIT. 9% relative humidity. Lowest relative humidity ever observed on a 4pm obs at PIT. If you throw out the 6% at 10am on 7/29/96, which is definitely erroneous, this is now tied for the 2nd lowest relative humidity ever observed at any hour at PIT, behind just the 6pm obs on 3/30/07. I looked at the unrounded csv file and it’s actually a hair lower than the other 9% obs.
  7. TimB
    Also, Tuesday 3/11 through Sunday 3/16 is the earliest in a calendar year we’ve ever had 6 straight 70 degree days. Previous earliest was 3/13-23/2012.
  8. TimB
    Sounds like Latrobe gusted to 89 during the storms yesterday. https://x.com/NWSPittsburgh/status/1901611673460375904
  9. TimB
  10. TimB
    The only days that have been at or above 79 this early in the season are 3/8/2000 (80), 3/11/1876 (80), and 3/14/1990 (79). Was hoping we could squeeze out a couple more degrees and follow up our latest 81 ever recorded last November with our earliest 81 ever recorded, but it wasn’t to be.
  11. TimB
    Really that lake streamer the weekend before Christmas that dropped 1” at the airport and 4-6” in the north hills would have put us pretty damn close to normal. Some of us might be already pushing 40” in our backyards.
  12. TimB
    Along those lines, we are now at 1091 days and counting with 3.3” of snow or less, and obviously very likely to add at least 250 more days to that streak. Previous record was 1015, from 2/20/1972 to 11/30/1974. That is the only other time we’ve gone two consecutive winters (let alone three) without recording 3.4” or more on a single day.
  13. TimB
    The craziest part of this is, today is now officially the snowiest calendar day of this winter.
  14. TimB
    And it’s gone.
  15. TimB
    It’s probably more accurate to measure every inch that falls, regardless of when it melts. We don’t measure rain every 6 hours to give it time to evaporate, do we?
  16. TimB
    It’s largely been a winter that has looked, felt, and behaved like winter. Not particularly cold, not particularly snowy, but consistently cold and snowy. A large number of days with snow in the air and a large number of days with snow on the ground.
  17. TimB
    A bit cherry picked, as we’ll have lows above freezing next week, but the only day in 2025 that PIT has had a low above freezing was 1/31. This will be the only calendar year on record that has had 53 out of 54 lows <= 32 from 1/1 through 2/23.
  18. TimB
    Plausible deniability. Since the temp/precip obs are taken at the airport and the snowfall measurement is done at the NWS office a few miles away, it’s possible that there was no measurable snow at the office between 7pm and midnight.
  19. TimB
    I find it hard to believe that the NWS recorded zero measurable snow between their 2.6” obs at 7pm and their daily climo report at midnight, considering there was about an hour with one mile visibility, but that’s what is being reported.
  20. TimB
    Interesting that 81% of GEFS members have measurable rain Wednesday, but the NWS is rolling with a dry forecast for the entire period.
  21. TimB
    I wonder what the record is for most consecutive above normal months at PIT. I know we had that stretch from February 2016-July 2017 where we had 18 straight above normal months, though a few of those would now be considered below normal according to the 1991-2020 normals.
  22. TimB
    The highlighted is not a date you want to see in the 8-14 day analogs if you like fall weather:
  23. TimB
    Interesting to note that of the 10 streaks of 21+ days of zero measurable precip that Pittsburgh has recorded, 9 of them happened at least partially in fall. The only exception happened in May/June 2023. So fall months can be incredibly dry around here, but there’s always tropical remnants to give us hope.
  24. TimB
    Was looking at that this morning. There have been entire GFS runs that show exactly zero qpf through 384. Not just a one off, it seems every other run for the past few days has depicted this. I think the over is a safe bet in this scenario, but model runs depicting zero precip for 16 days are incredibly rare around here.
  25. TimB
    That streak looks to continue for at least another week, maybe longer. They have recorded exactly two below normal days in that span, both in August but not consecutive. This forum would spontaneously combust if any eastern locale recorded 98 above normal days out of 100.
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