Area Forecast Discussion
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FXUS61 KPBZ 231803
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
203 PM EDT WED APR 23 2014

.SYNOPSIS...
HIGH PRESSURE WILL KEEP CONDITIONS DRY AND COOL THROUGH THURSDAY. A
COLD FRONT WILL BRING ANOTHER ROUND OF SHOWERS FRIDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
BUILDING SURFACE HIGH PRESSURE HAS BEGUN TO TAKE ITS EFFECTS ON
SLOWLY DECREASING STRATOCU AS SEEN FROM LATEST VISIBLE SATELLITE.
ANY SUNSHINE THAT MANAGES TO MAKE ITS WAY THROUGH LATER THIS
AFTERNOON WILL HAVE LITLE IMPACT ON TEMPERATURES. A CLEAR SKY IS
EXPECTED OVERNIGHT WITH THE EXCEPTION OF CIRRUS MOVING OVER THE
REGION LATE TONIGHT FROM THE WEST. TEMPERATURES WILL STAY WELL
BELOW NORMAL.

&&

.SHORT TERM /THURSDAY THROUGH SATURDAY/...
PLENTIFUL SUNSHINE WILL BE PRESENT ON THURSDAY AS SUBISDENCE
DOMINATES. RIDGE OF HIGH PRESSURE WILL BREAK DOWN AS A SHORTWAVE
TROUGH APPROACHES FROM THE WEST BY FRIDAY MORNING. ASSOCIATED COLD FRONT
WITH SHOWERS ARE EXPECTED TO CROSS THE REGION BY FRIDAY
MORNING/AFTERNOON. INSTABILITY AT THIS TIME REMAINS INSUFFICIENT
TO PRODUCE THUNDER AND HAVE THEREFORE CONTINUED TO KEEP OUT OF
FORECAST.

A SECONDARY FRONT WILL APPROACH THE REGION BY EARLY SATURDAY
ASSOCIATED WITH THE UPPER LEVEL CLOSED LOW SHIFTING SOUTHEAST
TOWARDS NEW YORK. LIMITED MOISTURE IS DIAGNOSED WITH THIS FEATURE
AND THUS HAVE ADJUSTED TO CHANCE POPS ON SATURDAY.

TEMPERATURES ARE TO REMAIN MOSTLY BELOW NORMAL THROUGH THE PERIOD.


&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
THE NEXT SYSTEM DEVELOPING ACROSS THE CENTRAL PLAINS WILL SLOWLY
DRIFT EAST. THE SYSTEM WILL BRING A CHANCE OF RAIN BY MONDAY
NIGHT...WITH SCATTERED SHOWERS AND BELOW NORMAL TEMPERATURES
CONTINUING THROUGH THE REST OF THE PERIOD.

&&

.AVIATION /17Z WEDNESDAY THROUGH SUNDAY/...
GRADUAL IMPROVEMENT TO VFR...AND WIND DIMINISHMENT CAN BE EXPECTED
INTO THE EVE AS HIGH PRES BLDS AND COLD ADVCTN EASES. VFR AND LGT
WIND WL CONT THROUGH THURSDAY.

.OUTLOOK.../THURSDAY NIGHT THROUGH SUNDAY/...
THE NXT CHC FOR GENL RESTRICTIONS WL COME WITH A FRIDAY CDFNT.

&&

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

&&

$$






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