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hstorm

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  1. Second straight day that a sea breeze front has made it past PHL. DP jumped 10 degrees with the wind shift (the temperature dropped 3 degrees too, but not sure I like that trade).
  2. Quick question (and apologies if I missed something): Are KMQS and Coatesville 2W the same station? Chester County Airport only started using the KMQS ICAO code in August 2007, so it would make sense that Coatesville 2W stopped reporting in 2007 and KMQS started reporting in 2008.
  3. Certainly. But this thread started with, and appears to be focused entirely on, an analysis of three individual stations.
  4. An interesting and somewhat parallel point of comparison would be to look at data for BOS (Logan), Blue Hill, and Worcester, MA. Like PHL, BOS is at/near sea level, Blue Hill is just outside Boston, but at 635 feet, and ORH is at 1000 feet. All are at essentially the same latitude.
  5. I don't really have a strong view on either side of this debate, but wouldn't it be important to know the actual temperature at PHL and MQS (and Paul's house) on each >90 day? If there are a lot of 90-92 degree temps in the PHL data set (which makes sense given that, in a normal distribution, temps would skew closer to the average high), then it would not be surprising for MQS, given its elevation and more rural location, to be below 90 on those days. And if the number of 90-92 days per year at PHL is increasing -- for whatever reason, climate, heat island, it doesn't really matter for this purpose -- then the spread of >90 days between PHL and MQS would also logically increase. The better point of comparison would seem to be the actual temperature spread on each day, regardless of high temperature. The impact of a more intense heat island would presumably be shown in a growing spread (because MQS would not be as affected), whereas a general warmer climate impact would likely affect PHL and MQS similarly. That all being said, I am certainly not a scientist. So perhaps I'm missing something. But it seems like both sides of this debate could be partially right and partially wrong.
  6. Still holding at 29 degrees with ZR- in Hamburg, NJ (Sussex County). Haven’t gone out to measure yet, but it looks like 4-5” fell before the switch to SL/ZR
  7. 28 degrees and light to moderate snow in Hamburg, NJ (Sussex County). Nice to be out of Center City for the weekend!
  8. I am up in Sussex County, NJ for the long weekend — a few miles south of Sussex, but also a few hundred feet higher in elevation. Will be very interesting to see how the storm plays out here.
  9. Just got home and was able to measure in Center City (Fitler Square). A very unofficial 3.25 inches on my patio furniture.
  10. Impressive how far south the front has dropped. Almost to Richmond.
  11. 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.
  12. 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.
  13. 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.
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