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ChescoWx

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  1. ChescoWx
    So another interesting chart for those who "feel" we don't see large snowstorms here in Chester County in the modern days. The below chart in fact shows that our last complete decade the period 2010-2019 featured the most 10" plus snow storms (13 of them) then any decade in our history. Plus the 3 snowstorms in the 2010's that exceeded 20" of snow during the decade is tied with the 1890's for most 20" plus snowstorms. For the decades with the least amount of large snow events we need to go all the way back to the 1940's and 1970's. Those 2 decades both finished with less than 10 storms the entire decade that measured over 6". I suspect we are due for some less snowy decades as that is the simple cyclical nature of weather.
  2. ChescoWx
    So another interesting chart for those who "feel" we don't see large snowstorms here in Chester County in the modern days. The below chart in fact shows that our last complete decade the period 2010-2019 featured the most 10" plus snow storms (13 of them) then any decade in our history. Plus the 3 snowstorms in the 2010's that exceeded 20" of snow during the decade is tied with the 1890's for most 20" plus snowstorms. For the decades with the least amount of large snow events we need to go all the way back to the 1940's and 1970's. Those 2 decades both finished with less than 10 storms the entire decade that measured over 6". I suspect we are due for some less snowy decades as that is the simple cyclical nature of weather.
  3. ChescoWx
    We ended up with 0.78" of rain yesterday here in East Nantmeal. A cold front has pushed through this AM. High temps in the low 40's should occur around noon and then our temps should slowly fall reaching freezing by around 7pm across most of Chester County. It will also be windy today and tonight. Of note some models do indicate a chance of some lake effect snow showers making it all the way across the state and reaching especially western spots of the county. So don't be surprised if you seem some flurries this evening into the night. The next 2 days will be our coldest days since last winter - we may not get above freezing tomorrow in some spots and not much better than the low to mid 30's on Wednesday. Below normal temps will continue through the week with our next chance of rain by Friday afternoon. Records for today: High 73 (1896) / Low 13 (1932) / Rain 1.52" (1944) / Snow 4.5" (2012)
  4. ChescoWx
    We ended up with 0.78" of rain yesterday here in East Nantmeal. A cold front has pushed through this AM. High temps in the low 40's should occur around noon and then our temps should slowly fall reaching freezing by around 7pm across most of Chester County. It will also be windy today and tonight. Of note some models do indicate a chance of some lake effect snow showers making it all the way across the state and reaching especially western spots of the county. So don't be surprised if you seem some flurries this evening into the night. The next 2 days will be our coldest days since last winter - we may not get above freezing tomorrow in some spots and not much better than the low to mid 30's on Wednesday. Below normal temps will continue through the week with our next chance of rain by Friday afternoon. Records for today: High 73 (1896) / Low 13 (1932) / Rain 1.52" (1944) / Snow 4.5" (2012)
  5. ChescoWx
    Temps have slowly fallen here in Chesco with a little mist and drizzle we are back down to 39.9 after a high of 42.2
  6. ChescoWx
    Shower chances will be on the increase today with a pretty big spread between west to east across the county with rainfall amounts by tomorrow morning. Greatest amounts over 0.75" will be to the east with maybe only 0.33" in western spots. Much colder air spills in again tomorrow PM. It will be windy and cold both Monday and Tuesday. Tuesday high temps will struggle to get too far above the freezing mark with wind chills in the teens to low 20's at times. Records for today: High 70 (1896) / Low 5 (1938) / Rain 1.52" (1944) / Snow 5.3" (2014)
  7. ChescoWx
    Shower chances will be on the increase today with a pretty big spread between west to east across the county with rainfall amounts by tomorrow morning. Greatest amounts over 0.75" will be to the east with maybe only 0.33" in western spots. Much colder air spills in again tomorrow PM. It will be windy and cold both Monday and Tuesday. Tuesday high temps will struggle to get too far above the freezing mark with wind chills in the teens to low 20's at times. Records for today: High 70 (1896) / Low 5 (1938) / Rain 1.52" (1944) / Snow 5.3" (2014)
  8. ChescoWx
    We received 16.6" of snow from that one. Some interesting snow drought notes....PHL has now gone a record 664 days since 2/13/22 without an inch of snow recorded in any day. Here in Chester County we have now gone 620 days without an inch of daily snow since March 12, 2022 when we received 4.3" of snow. The all-time Chester County record which was exactly the same as the old PHL mark was the 661 days that included the only snowless winter in Chesco history the winter of 1972-73. The drought ended at both PHL and Chesco on December 15, 1973
  9. ChescoWx
    This morning was the coldest morning here in East Nantmeal 24.1 degrees since the 22.5 degree reading back on March 19th. Today we will struggle to escape the 40's especially in the higher terrain of the county this is about 10 degrees colder than it should be for this time of the year. We warm up to the mid 40's tomorrow with some rain Sunday night before turning much colder again for mid week. Temperatures Tuesday will not get too far above freezing in some spots of Chester County. Records for today: High 74 (1979) / Low 12 (1938) / Rain 2.11" (1964) / Snow 6.0" (1938)
  10. ChescoWx
    This morning was the coldest morning here in East Nantmeal 24.1 degrees since the 22.5 degree reading back on March 19th. Today we will struggle to escape the 40's especially in the higher terrain of the county this is about 10 degrees colder than it should be for this time of the year. We warm up to the mid 40's tomorrow with some rain Sunday night before turning much colder again for mid week. Temperatures Tuesday will not get too far above freezing in some spots of Chester County. Records for today: High 74 (1979) / Low 12 (1938) / Rain 2.11" (1964) / Snow 6.0" (1938)
  11. ChescoWx
    So how much of a historical chance does Chester County PA have at a White Christmas? The answer is our climate delivers on the dream of a White Christmas on average 1 time every 4 years. The longest stretch without such a holiday was 16 years.
  12. ChescoWx
    So how much of a historical chance does Chester County PA have at a White Christmas? The answer is our climate delivers on the dream of a White Christmas on average 1 time every 4 years. The longest stretch without such a holiday was 16 years.
  13. ChescoWx
    We should see much of the last week here in November finish with below normal temperatures. Dry weather is also likely with the exception of some showers on Sunday night. Records for today: High 69 (1979) / Low 10 (1989) / Rain 2.08" (1950) / Snow 5.3" (1898)
  14. ChescoWx
    We should see much of the last week here in November finish with below normal temperatures. Dry weather is also likely with the exception of some showers on Sunday night. Records for today: High 69 (1979) / Low 10 (1989) / Rain 2.08" (1950) / Snow 5.3" (1898)
  15. ChescoWx
    That looks like about the normal average snowfall for most spots on that map...
  16. ChescoWx
    Those Miller B type storms usually work out for us....
  17. ChescoWx
    December 5th.....where have we seen this one before???
  18. ChescoWx
    Does anyone here in the Central PA Forum have an analysis like below comparing non-airport locales to more rural spots? The below chart compares all available NWS Coop sites in Chester County vs. The Philadelphia International Airport regarding annual average temperatures. This chart starts in 1940 through 2022. I chose 1940 as that is the year observations began at PHL Airport. As you can clearly see PHL airport (green line) heat island problem stands out like a sore thumb....PHL shows strong almost nonstop warming since 1940....while Chester County sites show no or at most minor warming across the County. Yet the PHL Airport is the only long term average temperature you will ever hear about on the local news.
  19. ChescoWx
    My data is also June through August
  20. ChescoWx
    Happy Thanksgiving to everyone! Should be a great stretch of seasonably chilly weather with generally below normal temperatures over the next week as we move into December. The coldest day looks to be Saturday where some of the higher spots may struggle to escape the mid-30's The only chance of rain or a bit of mixed snow looks to be on Sunday evening. Records for today: High 73 (1931) / Low 11 (1989) / Rain 1.30" (1961) / Snow 2.9" (1989)
  21. ChescoWx
    Happy Thanksgiving to everyone! Should be a great stretch of seasonably chilly weather with generally below normal temperatures over the next week as we move into December. The coldest day looks to be Saturday where some of the higher spots may struggle to escape the mid-30's The only chance of rain or a bit of mixed snow looks to be on Sunday evening. Records for today: High 73 (1931) / Low 11 (1989) / Rain 1.30" (1961) / Snow 2.9" (1989)
  22. ChescoWx
    I have now been at my current home location for 20 years this week here in East Nantmeal. I have taken daily weather observations every day of those 20 years. I have used the exact same station equipment (Davis Vantage Pro 2 solar fan aspirated model) sited at the exact same spot on my property. I thought I would begin to share some of those individual 20 year records.
  23. ChescoWx
    I have now been at my current home location for 20 years this week here in East Nantmeal. I have taken daily weather observations every day of those 20 years. I have used the exact same station equipment (Davis Vantage Pro 2 solar fan aspirated model) sited at the exact same spot on my property. I thought I would begin to share some of those individual 20 year records.
  24. ChescoWx
    We picked up a total of 2.07" of rain with 0.49" falling since midnight. The 1.58" that fell yesterday was our largest single day rain total since the 2.55" that fell on September 24th. A couple of dry and seasonably chilly days will take us through Thanksgiving Day with highs today just north of 50 and tomorrow likely staying in the 40's it most spots. Much colder by Friday through the weekend with highs on Saturday remaining in the 30's. There is a slim chance at some snow or rain showers by Sunday night. Records for today: High 72 (1931) / Low 13 (1964) / Rain 1.86" (1991) / Snow 1.7" (1989)
  25. ChescoWx
    We picked up a total of 2.07" of rain with 0.49" falling since midnight. The 1.58" that fell yesterday was our largest single day rain total since the 2.55" that fell on September 24th. A couple of dry and seasonably chilly days will take us through Thanksgiving Day with highs today just north of 50 and tomorrow likely staying in the 40's it most spots. Much colder by Friday through the weekend with highs on Saturday remaining in the 30's. There is a slim chance at some snow or rain showers by Sunday night. Records for today: High 72 (1931) / Low 13 (1964) / Rain 1.86" (1991) / Snow 1.7" (1989)
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