Area Forecast Discussion
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000 FXUS61 KPBZ 040113 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 913 PM EDT THU SEP 3 2015 .SYNOPSIS... WARM AND HUMID CONDITIONS WILL CONTINUE THROUGH THE WEEKEND. && .NEAR TERM /THROUGH FRIDAY/...
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WITH 915PM UPDATE...DECIDED TO KEEP ISOLATED THUNDERSTORMS IN THE FORECAST THROUGH THE EVENING HOURS AREAWIDE CONSIDERING AN OCCASIONAL SHOWER/THUNDERSTORM CONTINUES TO DEVELOP EVEN WITH LOSS OF CONVECTIVE HEATING. THUNDERSTORM COMPLEX ACROSS WESTERN LAKE ERIE IS MOVING ONSHORE IN NORTHWESTERN OHIO...AND DECIDED TO KEEP ISOLATED THUNDERSTORM MENTION ACROSS OHIO AFTER MIDNIGHT IN CASE THESE STORMS ARE ABLE TO HOLD TOGETHER. PREVIOUS DISCUSSION FOLLOWS. ABOVE AVERAGE WARMTH AND HUMIDITY WILL CONTINUE. EXPECT LOWS ABOUT 10 DEGREES ABOVE THE NORMALS. SLIGHT TO LOW CHANCE DIURNALLY SUPPORTED CONVECTION IS AGAIN EXPECTED FRIDAY WITH WEAK SHORTWAVE SUPPORT ANTICIPATED. NO CHANGE TO WARM AIRMASS THOUGH.
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&& .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... WARMTH AND HUMIDITY WILL CONTINUE TO PLAGUE THE REGION THIS WEEKEND AS BROAD SURFACE HIGH IS PROJECTED TO BUILD WESTWARD ACROSS PA UNDER A STRENGTHENING UPPER RIDGE. INCREASED SUBSIDENCE AND WARMTH ALOFT WILL INHIBIT DIURNAL CONVECTION. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... THE STRONG MID/UPPER RIDGE IS PROGGED TO REMAIN THROUGH EARLY NEXT WEEK...WITH CONTINUED WARM AND MUGGY CONDITIONS. RELIEF FROM THE QUITE WARM CONDITIONS MAY COME WITH COLD FRONT LATER WEDNESDAY INTO THURSDAY...AS WELL AS AN INCREASING CHANCE FOR THUNDERSTORMS. && .AVIATION /01Z FRIDAY THROUGH TUESDAY/... GENERAL VFR CONDITIONS WILL BE MARRED BY SCATTERED CONVECTION THIS EVENING AS A WEAK DISTURBANCE CROSSES THE REGION. CONDITIONS ARE EXPECTED TO DETERIORATE TO MVFR AND IFR AS FOG DEVELOPS BY DAWN. OUTLOOK...FRIDAY THROUGH TUESDAY... BRIEF RESTRICTIONS ARE ANTICIPATED EARLY MORNING FOG. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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