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 281856 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 256 PM EDT THU MAY 28 2015 .SYNOPSIS...
-- Changed Discussion --
MULTIPLE DISTURBANCES WILL BRING UNSETTLED WEATHER FRIDAY THROUGH THE WEEKEND. A COLD FRONT WILL BRING COOLER CONDITIONS SUNDAY.
-- End Changed Discussion --
&& .NEAR TERM /THROUGH FRIDAY/...
-- Changed Discussion --
SURFACE BOUNDARY HAS MOVED SOUTH OF REGION WITH ONLY A SLIGHT CHANCE FOR AN EVENING SHOWER ACROSS TUCKER COUNTY. DEW POINTS CONTINUE TO DROP OFF AND EXPECT DRIER AIR TO WORK SOUTH INTO NORTHERN WEST VIRGINIA. UNDER SURFACE RIDGE AND LIGHT WINDS TONIGHT LOWS WILL RANGE FORM THE MID 50S FAR NORTH TO LOWER 60S SOUTH. RIDGE SURFACE AND ALOFT WILL SHIFT EAST FRIDAY WITH SOUTHWEST FLOW DEVELOPING. MODELS HAVE COME INTO SOME AGREEMENT ON A SHORTWAVE RIDING NORTHEAST IN THE FLOW FRIDAY...WITH INCREASING DEEP MOISTURE AS THE DAY PROGRESSES. HAVE ADJUSTED POPS UPWARD FOR THE ENTIRE REGION WITH SCATTERED ACTIVITY ESPECIALLY BY AFTERNOON. WITH EXPECTED INCREASE IN CLOUDS HAVE LOWERED MAX TEMPS A DEGREE OR TWO...BUT STILL A WARM AND HUMID AFTERNOON.
-- End Changed Discussion --
&& .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
-- Changed Discussion --
CONTINUED CHANCE POPS FRIDAY NIGHT AS HARD TO TIME IMPULSES MOVE THROUGH THE FLOW. INCREASING HUMIDITY AND WARM FRIDAY NIGHT AS DEW POINTS WILL REMAIN WELL INTO THE 60S. COLD FRONT WILL BE APPROACHING FROM THE WEST BY SATURDAY AFTERNOON WITH INCREASING SHOWER AND THUNDERSTORM CHANCES AS THE DAY PROGRESSES. WARM AND HUMID CONDITIONS WILL REMAIN. MUCH COOLER ON SUNDAY AS FRONTAL BOUNDARY STALLS OUT ACROSS OR JUST SOUTH OF THE MASON DIXON LINE...AS IT APPEARS ANOTHER WAVE WILL DEVELOP ALONG THE FRONT. TEMPERATURES SUNDAY ADJUSTED TOWARD COOLER 12Z GUIDANCE...ESPECIALLY WITH EXPECTED CLOUDS AND SHOWERS.
-- End Changed Discussion --
&& .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... UPPER TROUGHING ACROSS THE EASTERN CONUS...ALONG WITH A SLOW MOVING SURFACE BOUNDARY...IS PROGGED TO PERSIST THROUGH EARLY NEXT WEEK. THIS SHOULD KEEP PERIODIC SHOWER AND THUNDERSTORM CHANCES IN THE FORECAST...WITH THE BEST CHANCES SOUTH OF PIT CLOSER TO THE BOUNDARY. RIDGING IS THEN PROGGED TO BUILD IN BY MID WEEK. TEMPERATURES SHOULD REMAIN NEAR SEASONAL AVERAGES UNTIL INCREASING ABOVE AVERAGE BY MID WEEK. && .AVIATION /19Z THURSDAY THROUGH TUESDAY/... VFR CONDITIONS WITH DIURNAL CU ARE EXPECTED THROUGH EARLY FRIDAY UNDER RIDGING. THE RIDGE IS PROGGED TO SHIFT EAST LATER FRIDAY MORNING WITH INCREASING MOISTURE AND INSTABILITY IN SOUTHWEST FLOW. AN EMBEDDED SHORTWAVE IN THE FLOW SHOULD BRING SCATTERED SHOWERS/STORMS BY AFTERNOON...SO INCLUDED A VCTS MENTION FOR PIT IN THE EXTENDED PORTION OF THE TAF. .OUTLOOK.../FRIDAY NIGHT THROUGH TUESDAY/... RESTRICTIONS ARE LIKELY THROUGH THE WEEKEND WITH A SLOW MOVING COLD FRONT...AND COULD CONTINUE ESPECIALLY S OF PIT INTO EARLY NEXT WEEK AS THE FRONT STALLS. && .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.