Area Forecast Discussion
Issued by NWS

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS61 KPBZ 250702 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 202 AM EST THU DEC 25 2014 .SYNOPSIS... WINDY CONDITIONS WILL CONTINUE AS A STRONG COLD FRONT HAS SWEPT ACROSS THE UPPER OHIO VALLEY REGION. && .NEAR TERM /UNTIL 6 AM THIS MORNING/... UPDTD TO EXPIRE WND ADVY OUTSIDE OF THE RIDGES AS GUSTS SUBSIDE. AN APCHG UPR TROF WL KEEP SCT RAIN AND SNW SHWRS ACRS THE RGN AS THE MAIN BAND OF SHWRS INVOF THE EXITING CDFNT DMNSH. TEMPS ARE EXPD TO FALL INTO THE 30S. && .SHORT TERM /6 AM THIS MORNING THROUGH 6 PM FRIDAY/... SOUTHWEST WINDS WILL DIMINISH QUICKLY TOMORROW MORNING...AND A ONE-SHOT DAY OF COLD AIR WILL ARRIVE WITH TEMPERATURES STRUGGLING TO GET BACK TO 40 DEGREES UNDER CLOUD SKIES. ENOUGH RESIDUAL LIFT AROUND THE DEPARTING CYCLONE WILL PERSIST IN THE MORNING TO GENERATE SOME SCATTERED SNOW SHOWERS...ALTHOUGH THE MOISTURE DEPTH IS SO SHALLOW THAT IT MAY AGAIN BE MORE OF A DRIZZLE/SNIZZLE. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
-- Changed Discussion --
AS IS TYPICAL WITH PROGRESSIVE NEGATIVE TILT TROUGHS...THE BRIEF SHOT OF COLD AIR WILL DEPART AS THE SYSTEM LIFTS INTO THE CANADIAN MARITIMES...ALLOWING FOR A TEMPORARY RETURN TO ZONAL AND/OR DAMPENED MID LEVEL RIDGING OVER THE EASTERN CONUS FRIDAY AND SATURDAY...FEATURING MUCH ABOVE NORMAL TEMPERATURES. A PROGRESSIVE WAVE WILL SETTLE ACROSS THE AREA SATURDAY NIGHT AND EARLY SUNDAY BRINGING A CHANCE FOR PRECIPITATION...AND BETTER ACCESS TO MORE SEASONABLY COLD AIR IN ITS WAKE.
-- End Changed Discussion --
&& .AVIATION /07Z THURSDAY THROUGH MONDAY/...
-- Changed Discussion --
MVFR CIGS TO PERSIST THROUGH THE DAY IN COLDER AIR BEHIND THE RECENT COLD FRONT...IMPROVING BY FRIDAY MORNING. WINDS WILL REMAIN GUSTY THROUGH THE MORNING BEFORE BEGINNING TO DIMINISH LATER IN THE AFTERNOON AS THE SFC PRESSURE GRADIENT BEGINS TO RELAX. OUTLOOK.../THURSDAY THROUGH SUNDAY/... NEXT OPPORTUNITY FOR FLIGHT RESTRICTIONS LOOK MOST LIKELY SATURDAY NIGHT THROUGH SUNDAY MORNING AS THE NEXT FRONTAL SYSTEM QUICKLY PASSES ACROSS THE REGION.
-- End Changed Discussion --
&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...WIND ADVISORY UNTIL 4 AM EST EARLY THIS MORNING FOR MDZ001. OH...NONE. PA...WIND ADVISORY UNTIL 4 AM EST EARLY THIS MORNING FOR PAZ074-076. WV...WIND ADVISORY UNTIL 4 AM EST EARLY THIS MORNING FOR WVZ023-041. && $$

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.