Area Forecast Discussion
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000 FXUS61 KPBZ 230426 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 1226 AM EDT Fri Sep 23 2016 .SYNOPSIS... After another warm day today, a weak cold front tonight will give cooler temperatures for the weekend. && .NEAR TERM /THROUGH TODAY/... Only minor changes to sky and hourly temperatures for this update, with cirrus and mid deck slowly edging south toward I-80. Otherwise mainly clear skies and calm winds will allow temperatures to fall into the 50s and lower 60s overnight. Friday will feature mostly sunny skies, but clouds should begin to increase across the north by the afternoon as a weak front begins to shift south. Best upper level support and deeper moisture will be well north and east of the region, and only isolated showers are possible north of I-80 this evening. Temperatures will continue more than 10 degrees above average for the afternoon ahead of the front. && .SHORT TERM /TONIGHT THROUGH SATURDAY/... A weak frontal boundary will cross and exit the area Friday night but no precipitation is forecast as moisture is limited and the better dynamics continue to be will be well north of the forecast area. The only noticeable change will be a period of increased cloud coverage and temperatures finally decreasing back to near normal values on Saturday && .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/... Dry and seasonably cool under high pressure Sunday and Monday. Only minor changes in the forecast into the middle of next week as models show little agreement on next front. Used the superblend for the long term period. && .AVIATION /04Z FRIDAY THROUGH TUESDAY/... VFR conditions with high clouds increasing overnight. High clouds will continue to move through the area during the daylight hours, with a non-restrictive mid-deck spreading over the area from north to south late in the day and into the evening hours. .OUTLOOK /THURSDAY NIGHT THROUGH MONDAY/... Restrictions are possible tonight and into Saturday morning, as cold front sinks southward through the region. A popup shower cannot be ruled out with the passage of this boundary, but visibility restrictions are not expected. After the low clouds clear southern ports Saturday morning, no widespread restrictions into early Monday. Possible restrictions Monday with the next strong cold front, however timing in model solutions continue to be an issue. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$

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