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hstorm

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  1. APR 14-16 OBS - Summer to Shank to Swamp

    Impressive how far south the front has dropped. Almost to Richmond.
  2. APR 14-16 OBS - Summer to Shank to Swamp

    About to come through Center City.
  3. 18z NAM persists in bringing the front through most of the region by late Saturday evening. On balance looks a little slower than 12z, but then a few degrees colder once the front comes through.
  4. Temperature/Obs/Boring Weather Discussion

    Quite the temperature gradient across Philadelphia for Sunday on the 12z Euro -- midday range from upper 50s in northern parts of the city to mid 70s by the airport. More generally, Euro seems to be gradually scaling back the advance of the backdoor front.
  5. Temperature/Obs/Boring Weather Discussion

    This may only interest me, but after today PHL’s average temp should be (very) slightly below normal for the year. Impressive that we are below after the warmth in late-Jan and Feb. Equally impressive that we are only slightly below after the continuous cold of the last month.
  6. Temperature/Obs/Boring Weather Discussion

    For Friday, yes, but not for Sunday. On Sunday, the 70 degree line on the Euro is down south of DC.
  7. Flake size has grown significantly in Center City in the last 10-15 minutes. Lots of 2+ inch diameter flakes. Still pouring snow.
  8. Long, muffled rumble of thunder in Center City (Fitler Square).
  9. Yep. Now mostly snow in Center City (Fitler Square).
  10. 1/8 Snow/Ice Obs.

    Judge solely from the sound against my office window, seems like some mixture of ZR and IP in Center City.
  11. Fall Banter Thread

    The story of the last flight in and out of San Juan as Irma approached is worth a read. The flight path out of San Juan, overlaid on the radar image of the incoming storm, is incredible: http://miami.cbslocal.com/2017/09/06/hurricane-irma-delta-flight-puerto-rico/ (Posting here because I don't want to distract from the tracking/forecast discussion in the Irma thread.)
  12. NWS Area Forecast Discussion question

    I don't have a scientific answer, but 5 degrees above/below average would seem to me to fall within the colloquial definition of "seasonably warm" or "seasonably cool." Looking at it another way, today's normal high for PHL is, I believe, 84 degrees -- 89-90 on August 25 wouldn't strike me as unseasonably warm and 78-79 wouldn't strike me as unseasonably cool. I think most people are mentally skewed to accept warmth as "seasonable" in the summer (most likely wouldn't consider 94 to be unseasonably warm for August 25, even though it is a +10 departure) and cold as "seasonable" in the winter (most also likely wouldn't consider 30 to be unseasonably cold in January, even though it is around a -10 departure for PHL).
  13. Temperature/Obs/Boring Weather Discussion

    Looks like PHL eked out its 9th straight below normal day (84/70 vs. 86/69 average). Pretty nice for mid-August.
  14. Temperature/Obs/Boring Weather Discussion

    Almost feels like fall outside with the clouds and the wind. 74 degrees in Center City (Fitler Square) at 12:30pm.
  15. Temperature/Obs/Boring Weather Discussion

    Only 0.10" so far in Center City (Fitler Square). Looks like the airport has received considerably more.
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