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2.1
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2026-2027 Super El Nino
snowman19 replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
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Picked up 1.8" here from the overnight rains, july monthly total at 7.25" now
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Chester County PA - Analytical Battle of Actual vs. Altered Climate Data
chubbs replied to ChescoWx's topic in Climate Change
Extended the stat analysis to the 1970s to include the West Chester move. Two comparisons were made: individual years using 1972 minus 1945 as a metric, and a 5-year average using 1971-75 minus 1941-45 as a metric. The results are the same for both metrics: the Chester County COOPs are significantly different from the non-Chesco stations, cooling by 2.2F relative to the other stations using the 5-year averages. Strong evidence that the larger NCEI bias adjustments are very robust statistically. This analysis also shows the problems with AI. As Don stated above its handy for an initial screening; but, unlikely to give a complete and accurate answer to a complex problem. -
The biggest totals will be west of them I think. I saw a lot of talk from many around here on TV about upslope and all that probably because hi res love to treat every 500’ hill as the Sierra. But it’s all about convergence as we spoke about. That area getting crushed is downsloped on SE flows. Atmosphere don’t care when there is a good convergence zone and moisture conduit off the deck.
- Today
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Alittle under 5” total.
