Area Forecast Discussion
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000 FXUS61 KPBZ 261548 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 1148 AM EDT SUN OCT 26 2014 .SYNOPSIS... BREEZY AND SEASONABLY COOL TODAY...THEN TEMPERATURES WILL WARM WELL ABOVE NORMAL MONDAY AND TUESDAY. A COLD FRONT TUESDAY NIGHT WILL BRING SHOWERS AND A RETURN TO COLDER TEMPERATURES. && .NEAR TERM /THROUGH TONIGHT/...
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WITH NOON UPDATE...TRIED TO FOCUS ON WHERE CLOUD COVER WILL SET UP OVER THE NORTHERN COUNTIES THIS AFTERNOON. APPEARS THAT CLOUDS WILL REMAIN PRIMARILY ACROSS VENANGO...FOREST...CLARION...AND JEFFERSON COUNTIES...WITH THE REST OF THE FORECAST REMAINING UNDER CLEAR SKIES. HIGHEST WIND GUSTS WILL ALSO BE CONTAINED TO THE NORTHEASTERN COUNTIES AS WELL...WITH GUSTS APPROACHING 30 MPH. WINDS WILL DIMINISH DURING THE MID TO LATE AFTERNOON AS PRESSURE GRADIENT BETWEEN SURFACE HIGH OVER THE CENTRAL PLAINS AND LOW PRESSURE OVER EASTERN CANADA SLACKENS. TONIGHT THE SURFACE HIGH WILL DRIFT OVER THE REGION WITH DIMINISHING WINDS...CONTINUED CLEAR SKIES...AND SLIGHTLY BELOW NORMAL OVERNIGHT LOWS.
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&& .SHORT TERM /MONDAY THROUGH TUESDAY/... SURFACE HIGH WILL SHIFT EAST MONDAY WILL BRING SOUTHERLY WINDS AND MUCH WARMER TEMPERATURES MONDAY AFTERNOON AND TUESDAY. BY LATE DAY TUESDAY COLD FRONT AND ASSOCIATED UPPER LEVEL TROUGH WILL APPROACH WITH INCREASING MOISTURE IN THE COLUMN. CONTINUED TO BRING A CHANCE FOR LATE AFTERNOON SHOWERS MAINLY ACROSS EASTERN OHIO. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... COLD FRONT WILL RACE ACROSS REGION TUESDAY NIGHT WITH LIKELY POPS. HAVE INCLUDED SCATTERED THUNDERSTORMS JUST AHEAD OF THE BOUNDARY ACROSS EASTERN OHIO INTO FAR NORTHWEST PA WITH ENOUGH LATE DAY INSTABILITY TO FIRE A FEW STORMS. OTHERWISE FRONT WILL BE WELL EAST OF THE RIDGES BY DAYBREAK WITH SHOWERS ENDING ACROSS THE SOUTHERN COUNTIES BY MID MORNING WEDNESDAY. QUIET WEATHER FOR THE REMAINDER OF WEDNESDAY AND THURSDAY WITH WEAK SURFACE RIDGE STRETCHED ACROSS THE UPPER OHIO VALLEY. BY LATE THURSDAY NIGHT INTO FRIDAY DEEPENING UPPER LEVEL SYSTEM AND SURFACE LOW PRESSURE WILL BRING SHOWERS BACK TO THE REGION WITH A STRONGER COLD FRONT PASSING FRIDAY. BEHIND THE FRONT STRONG COLD ADVECTION IN NORTHWEST FLOW WILL DROP 850MB TEMPERATURES FROM -8 TO -10C ACROSS THE REGION SATURDAY WITH RAN SHOWERS CHANGING TO SNOW SHOWERS LATER FRIDAY NIGHT INTO SATURDAY MORNING. COLD TEMPERATURES WILL REMAIN THROUGH THE WEEKEND. && .AVIATION /16Z SUNDAY THROUGH THURSDAY/...
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BLDG HIGH PRES WL MAINTAIN VFR CONDITIONS THROUGH MONDAY. SFC WIND...WITH GUSTS TO ARND 20 KTS TDA...WL BACK TO THE S DURING THE NXT 24 HRS AS LOW PRES DVLPS TWD THE GREAT LAKES. OUTLOOK.../TUESDAY THROUGH THURSDAY/... RESTRICTIONS ARE LIKELY WITH A LATE TUESDAY CDFNT.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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