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Area Forecast Discussion
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000
FXUS61 KPBZ 221832
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
132 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/...
UPDT TO CANCEL FREEZING RAIN ADVY. STEADY PCPN HAS ENDED WITH JUST
SCT SHWRS RMNG AS A SHRTWV BEGINS TO EXIT. TEMPS WL ALSO CONT TO
RISE THIS AFTN.

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.

&&

.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 /19Z SATURDAY THROUGH THURSDAY/...
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.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

$$

07/10




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