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WEATHER BLOG: Wonderful!

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timwilliams

We’re still very optimistic about the weather around here over the next few days, with a good deal of sunshine expected during each of the next three. Temperatures Thursday afternoon and again Friday will be mostly in the middle and upper 70s. Then, as the core of a high pressure system settles southward and eastward by the start of the upcoming weekend, surface winds here will have more of a westerly or southwesterly component. This should allow for even warmer afternoons on both Saturday and Sunday. Temperatures will be very close to the 80 degree mark Saturday afternoon, especially in those areas located away from the coast. The warmest we could see it on Sunday is the lower 80s. That is, as long as clouds associated with winds having an easterly component (and a flow off of the Atlantic) don’t spoil the party!

While the warm-up is expected to carry us through this weekend, we still must be mindful of the fact that there will be a low pressure forming along the mid-Atlantic Coast, about 150 or 200 miles south-southeast of Baltimore on Saturday and Saturday night. Whenever a ridge of high pressure builds into the Northeast and it drives a sort of  “wedge” southward along the coast, there’s a natural tendency for low pressure — whether it be an inverted trough, or a closed circulation, to develop in a position just offshore. In fact, based on the output from Wednesday evening’s run of the European global model, this form of guidance is suggesting that there could be a couple of showers in the Philadelphia area by the time Sunday is through. Conversely, the American version of the medium-range forecast model does not
print out in the city until Sunday night. These timing differences will hopefully get resolved during the next day or two, but we should at least be emphasizing now that there’ll be a tendency for the weather to gradually deteriorate by early next week. And, even though temperatures on Monday and Tuesday may still climb into the upper 70s or lower 80s, there’ll be a few opportunities to see a shower or thunderstorm.

Have a good day !!

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