Area Forecast Discussion
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000 FXUS61 KPBZ 221706 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 1206 PM EST SAT NOV 22 2014 .SYNOPSIS... SEVERAL WEAK DISTURBANCES WILL CROSS THE REGION THIS WEEKEND. LOW PRESSURE WILL BRING WIDESPREAD SHOWERS SUNDAY NIGHT. && .NEAR TERM /THROUGH TONIGHT/...
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STEADY RAIN AND FREEZING RAIN WL CONT TO TAPER OFF FM W-E INTO ERLY AFTN AS A SHRTWV BEGINS TO EXIT THE RGN. LET THE FREEZING RAIN ADVY EXPIRE AT NOON WITH RAIN ENDING AND TEMPS INCRG AS SOME LTD MXG BEGINS...THOUGH ICY SPOTS WL BE PSBL ON UNTREATED SFCS FOR A COUPLE HRS. CONTD THE ADVY I 80 AND N THRU 2 PM WITH A STG TEMP INVERSION AT THE SFC. ANOTHER WK SHRTWV WL CROSS THE RGN TNGT. BEST MOISTURE AND SPPRT FOR PCPN IS PROGGED N OF PIT WHERE CHC POPS WERE MAINTAINED. MRNG RAOBS SPPRT HIGHS IN THE 40S TO ARND 50 S.
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&& .SHORT TERM /SUNDAY THROUGH MONDAY/... STRONG WARM AIR ADVECTION WILL CONTINUE AS A LARGE AREA OF LOW PRESSURE APPROACHES THE REGION FROM THE WEST...WHILE THE ASSOCIATED LONGWAVE AMPLIFIES AND DEEPENS AS JET CORE TRANSITIONS BEYOND THE INFLECTION POINT OF THE BACKSIDE OF THE TROUGH. THE WARM FRONT WILL CROSS THE REGION SUNDAY NIGHT BRINGING WIDESPREAD PRECIPITATION TO THE AREA OVERNIGHT AND MONDAY MORNING. THE WARMING TREND IN TEMPERATURES WILL CONTINUE ON MONDAY WITH WELL ABOVE NORMAL TEMPERATURES FORECAST AS THE REGION NOW RESIDES IN THE WARM SECTOR OF THE LOW PRESSURE SYSTEM. PRECIPITATION SHOULD END RATHER QUICKLY DURING THE LATE AFTERNOON WITH MUCH DRIER AIR ADVECTING IN THE LOWER AND MID LEVELS && .LONG TERM /MONDAY NIGHT THROUGH FRIDAY/... COLDER AIR WILL MOVE IN MONDAY NIGHT AND REMAIN THROUGH THE WEEK AS THE EASTERN STATES SIT UNDER A BROAD LONGWAVE TROUGH THROUGH THE PERIOD. THE NEXT CHANCE FOR ANY PRECIPITATION LOOKS TO BE ON THURSDAY AS A SHORTWAVE BRUSHES THE FORECAST AREA. && .AVIATION /17Z SATURDAY THROUGH WEDNESDAY/...
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SHORTWAVE EXITING WITH MIXED FZRA AND RAIN ENDING TOWARD 19Z ACROSS THE NORTH. THEN GENERAL VFR IN STORE INTO SUNDAY WITH SOUTHWEST WINDS MAINLY UNDER 10 KTS. OUTLOOK.../SUNDAY NIGHT THROUGH THURSDAY/... POSSIBLE MVFR TO IFR CONDITIONS SUNDAY NIGHT INTO MONDAY AS THE NEXT STORM MOVES THROUGH.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES...
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MD...NONE. OH...NONE. PA...FREEZING RAIN ADVISORY UNTIL 2 PM EST THIS AFTERNOON FOR PAZ007>009-015-016. WV...NONE.
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&& $$ 07/10

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