Area Forecast Discussion
Issued by NWS

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Remove Highlighting --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS61 KPBZ 232203 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 603 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 /UNTIL 6 AM THURSDAY MORNING/...
-- Changed Discussion --
DRIER BOUNDARY LAYER AIR AND LARGE SCALE SUBSIDENCE ARE WORKING INTO THE REGION FROM THE NORTHWEST AND QUICKLY ERODING THE STRATOCUMULUS DECK THAT HAS BEEN RESIDENT OVER THE AREA ALL DAY. THIS TREND WILL CONTINUE ALL EVENING UNTIL WE BECOME FULLY CLEAR ACROSS THE BOARD. HIGH CLOUDS WELL IN ADVANCE OF THE NEXT SYSTEM THAT WILL AFFECT THE REGION SHOULD START TO ADVANCE TOWARD THE AREA TOWARD MORNING...HOWEVER THIS SYSTEM IS STILL A LONG LONG WAVE FROM AFFECTING US OTHER THAN WITH CIRRUS. FRIES
-- End Changed Discussion --
&& .SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/...
-- Changed Discussion --
PLENTIFUL SUNSHINE WILL BE PRESENT ON THURSDAY AS SUBSIDENCE 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.
-- End Changed Discussion --
&& .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 /22Z WEDNESDAY THROUGH MONDAY/... 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. && $$

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.