Low pressure over 600 miles away will
still affect our weather on Monday 4/27

East Central PA Forecast Region

Basic CMYK

Trough moves through today with more clouds than sun and a few showers… warm temps are not too far away…

A strong block in place to our north will keep the winds out of the northwest today, resulting in relatively dry conditions. But despite this dryness in place, energy will pivot around an upper level low off the coast of Nova Scotia for Monday, resulting in mostly cloudy skies and a few afternoon showers. The aforementioned dry air in the lower levels will prevent instability from reaching levels strong enough to produce thunderstorms.  These isolated showers will coincide with the daytime heating and should decrease in coverage after 7pm.  Beyond today, mostly sunny and progressively warmer conditions are expected for Tuesday and Wednesday. On Thursday we will be watching a system near the Carolinas and its track, as some models bring that area of low pressure close enough to bring rain in the Thursday-Friday time frame, while others do not. For now, weighted the GFS scenario for both Thursday and Friday with lower chance probabilities, subject to changes/tweaks over the next few forecast cycles. Afterwards, the weekend on all models looks dry with a return to warmer conditions.

Forecaster:  Martrich 27 April 0144z

Daily Climatology for Allentown, Pa

Average Temp:Record Temp:
High:6692 (1990)
Low:4230 (1933)

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