Area Forecast Discussion
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000 FXUS61 KPBZ 250211 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 911 PM EST WED DEC 24 2014 .SYNOPSIS...
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WINDY CONDITIONS WILL CONTINUE AS A STRONG COLD FRONT COMPLETES A SWEEP OF THE UPPER OHIO VALLEY REGION.
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&& .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
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LATE EVE UPDATE WAS ISSUED TO ADJUST FOR THE LATEST TRENDS AS CONVECTIVE WATCH HAS ENDED BUT WINDY CONDITIONS CONT WITH FRONT SWEEPING RAPIDLY ACRS THE REGION. WIND ADVISORY WL CONT. INCRSG SBSDNC AND DRY ADVCTN WL QUICKLY SUPPRESS MEASURABLE PCPN CHCS AS THE NGT PROGRESSES.
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&& .SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/... 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 THROUGH WEDNESDAY/... 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. && .AVIATION /02Z THURSDAY THROUGH MONDAY/... WIND PROBLEMS WITH THE BAND OF LOW-TOPPED CONVECTION ALNG THE CDFNT WAS HANDLED WITH TEMPO GROUPS...OTHERWISE...CIGS WILL DROP BACK TO MVFR...WITH EVENTUAL IFR EXPECTED IN THE COLDER AIR BEHIND THE FRONT. WIND WILL SLOWLY DIMINISH WITH TIME OVERNIGHT BUT STILL EXPECT AT LEAST 20-30 KNOT GUSTS THROUGH THE REMAINDER OF THE TAF PERIOD. LINGERING SHWRS WILL CHANGE OVER TO SNOW SHWRS DURING THE PREDAWN HRS...BUT SIGNIFICANT RESTRICTIONS FROM SNOW ARE NOT FORECAST GIVEN EXPECTATIONS OF SCT ACTIVITY. OUTLOOK.../WEDNESDAY NIGHT THROUGH MONDAY/... THE NXT CHC FOR GENL RESTRICTIONS WL COME WITH A SATURDAY FRONTAL SYSTEM. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR MDZ001. OH...WIND ADVISORY UNTIL 11 PM EST THIS EVENING FOR OHZ039>041- 048>050-057>059-068-069. PA...WIND ADVISORY UNTIL 1 AM EST THURSDAY FOR PAZ007>009-013>016- 020>023-029-031-073-075. WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR PAZ074-076. WV...WIND ADVISORY UNTIL 11 PM EST THIS EVENING FOR WVZ001>004-012. WIND ADVISORY UNTIL 1 AM EST THURSDAY FOR WVZ021-022. WIND ADVISORY UNTIL 4 AM EST THURSDAY FOR WVZ023-041. && 15 $$

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