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
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS61 KPBZ 291700 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 100 PM EDT FRI AUG 29 2014 .SYNOPSIS... HIGH PRESSURE WILL PROVIDE ANOTHER QUIET DAY WITH COMFORTABLE CONDITIONS. HUMIDITY...AND THE CHANCE FOR SHOWERS AND STORMS RETURNS FOR THE WEEKEND. && .NEAR TERM /THROUGH TONIGHT/... HIGH PRESSURE AND STRENGTHENING ERN RIDGE WILL PROVIDE A TRANQUIL DAY FOR THE AREA. HIGH CLOUDS WILL CONTINUE TO STREAM OVER THE UPPER RIDGE ACROSS OUR NRN ZONES...BUT OVERALL A SUNNY AND WARM DAY IS ON TAP...WITH HIGH TEMPS ABOUT 5 DEGREES ABOVE THURS HIGHS. WARM AND MOIST SRLY FLOW WILL BRING LOW-LEVEL TEMPS UP ABOUT 10C AND MID-LEVEL TEMPS UP ABOUT 5C...THIS WILL KEEP OUR OVERNIGHT LOWS FROM DROPPING OFF SIMILAR TO THURS NIGHT. EXPECT LOWS TONIGHT ABOUT 10 DEGREES WARMER WITH A FEW MORE CLOUDS. TAX && .SHORT TERM /SATURDAY THROUGH SUNDAY/...
-- Changed Discussion --
SOUTHWESTERLY FLOW ALOFT WILL INCREASE THROUGH THE DAY SATURDAY...RAMPING UP MOISTURE AND TEMPERATURE ADVECTION. BY LATE SATURDAY AFTERNOON THERE WILL BE AMPLE MOISTURE IN LOWER LEVELS TO DESTABILIZE THE ATMOSPHERE. LATEST GUIDANCE DIFFERS SOMEWHAT IN TIMING AN UPPER LEVEL FEATURE THAT WOULD BE A TRIGGER FOR ANY STORM DEVELOPMENT...BUT IN ANY CASE MOST LOCATIONS LOOK TO HAVE A DECENT SHOT AT SEEING A STORM OR TWO SATURDAY NIGHT AND SUNDAY MORNING. HIGH TEMPERATURES ON SATURDAY WILL BE WELL ABOVE NORMAL...PUSHING 90 DEGREES IN SOME LOCATIONS. THERE WILL BE SHOWERS AND THUNDERSTORMS ON SUNDAY AS SEVERAL SHORTWAVES PASS OVER THE FORECAST AREA...WITH COOLER TEMPERATURES DUE TO EXTENSIVE CLOUD COVERAGE.
-- End Changed Discussion --
&& .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... ACTIVE PATTERN WILL REMAIN IN PLACE THROUGH MIDWEEK. WARM TEMPERATURES... HIGH HUMIDITY AND THE RISK FOR SHOWERS/STORMS. COOLER AND DRIER AIR EXPECTED BY THE END OF THE LONG TERM. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... DRY SFC HIGH PRES UNDR WEAK WNW FLOW ALOFT WL ENSURE GENL VFR AND LGT SFC WIND THROUGH FRIDAY. PATCHY FOG IS EXPECTED IN THE RIVER VALLEYS AND WAS ALSO INCLUDED AT KFKL BASED ON DEW POINTS CLIMO. OUTLOOK.../FRIDAY NIGHT THROUGH TUESDAY/... CROSSING LOW PRES IS LIKELY TO GENERATE SHWRS...TSTMS...AND RESTRICTIONS ON SUNDAY. && .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.