BLOG: Wet Weekend

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timwilliams

The regional satellite mosaic is indicating that high clouds are continuing to spread out across the mid-Atlantic states and much of the Northeast early this morning. While we should see some early sunshine, the tendency will be for these clouds to dim it as the day wears on. And, while it won’t be as cold as Thursday was, the sky won’t be as “blue and pristene” as it was yesterday, either. Most temperatures will be in the upper 40s this afternoon. Thickening clouds tonight will prevent the temperature from dropping below freezing across most of the area.

Temperatures are expected to reach the upper 50s or lower 60s tomorrow, and the upper 50s on Sunday. We shouldn’t see any substantial rain tomorrow, because the wave of low pressure that will still be developing over Ohio during the day tomorrow will be creeping northward tomorrow night and early on
Sunday. The axis of rich moisture is going to be confined to areas west of the Appalachians, and the aforementioned warm front in upstate New York and northern New England will be the catalyst for rain, ice and snow well to the north of the coastal plain.

The ridge of high pressure is going to act as a “blocker” for the richest moisture tomorrow and tomorrow night, but it will still rain around here on Sunday. We’ll be keeping an eye out for a potential secondary low pressure system forming over the Tennessee Valley and the Carolinas this weekend. Our rain on Sunday should be the steadiest (and heaviest) during the afternoon and at night. Preliminary indications are that rainfall totals will average around an inch, with locally higher amounts.

Have a good weekend!!

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