Area Forecast Discussion
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000 FXUS61 KPBZ 181432 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 932 AM EST Thu Jan 18 2018 .SYNOPSIS... High pressure will maintain dry weather through Saturday. Scattered light rain and drizzle will be possible late Saturday and Sunday before the a cold front return more widespread rain to the region on Monday. && .NEAR TERM /UNTIL 6 PM THIS EVENING/...
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Made minor updates to the grids overall. Although a couple of points are still reporting wind chill values around -10F, the advisory was allowed to expire with the expectation of continued improvement. Previous discussion... Increasing warm air advection as ridging builds will result in daytime high temperatures edging back up closer to normal after starting out in the single digits this morning. The wind chill advisory for higher terrain of WV/MD was maintained with 9AM end time still looking good based on latest guidance.
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&& .SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY/... Dry conditions and a continued upward trend in temperatures will continue Friday and Saturday as upper ridging builds....with max temps around 10 degrees above normal by Saturday. && .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... Clouds will be on the increase Saturday night as moisture advection ramps up ahead of the next low pressure system to the west. There is minimal forcing, however, overall model consensus hints at a boundary layer saturated to the point to support scattered drizzle / very light rain by Sunday morning and remaining until cold frontal passage on Monday. Monday afternoon will see the best chance for rain along and ahead of the cold front. Temperatures on Tuesday will lower back to near normal behind the front. && .AVIATION /15Z THURSDAY THROUGH MONDAY/... VFR expected as last of stratus diminishes over MGW. Patchy fog will lift over DUJ also. After this, nearly clear skies are expected under high pressure. WSW wind will gust to 20kts, due to mixing, diminishing near sunset. .OUTLOOK... Restriction potential returns over the weekend with approaching low pressure. && .PBZ WATCHES/WARNINGS/ADVISORIES...
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MD...None. OH...None. PA...None. WV...None.
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&& $$

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