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 010707 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 307 AM EDT WED OCT 1 2014 .SYNOPSIS...
-- Changed Discussion --
OTHER THAN ISOLATED SHOWERS TODAY...DRY AND WARM WEATHER IS EXPECTED UNTIL THE PASSAGE OF A FRIDAY COLD FRONT.
-- End Changed Discussion --
&& .NEAR TERM /UNTIL 6 PM THIS EVENING/...
-- Changed Discussion --
WATER VAPOR STLT AND UPR AIR CHARTS SHOW AN UPR LOW SPINNING ACRS WRN PA. THE LOW WL BEGIN A SLOW EWD EXIT LTR TDA. THE PROXIMITY OF THE LOW WL KEEP ISOLD SHWRS ACRS THE RGN TDA...THOUGH LACK OF DEEP MOISTURE AND INSTBY SHOULD LMT PCPN COVG. PLENTY OF LLVL MOISTURE WAS ALLOWING FOR FG/ST AND THIS WL CONT INTO THE MRNG BEFORE SFC HEATING INITIATE SOME MXG. TEMPS SHOULD CONT A FEW DEG ABV SEASONAL LVLS.
-- End Changed Discussion --
&& .SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY/...
-- Changed Discussion --
MID AND UPR LVL RIDGING WL BLD INTO THE RGN TNGT THRU THU BRINGING DRY AND WRM WEA. A CDFNT WL ADVN ACRS THE GT LKS AND UPR OH VLY RGN FRI WITH SUFFICIENT SPPRT FOR WDSPRD SHWRS. GFS/ECMWF PROGGED INSTBY FIELDS RMN LOW SO ONLY MAINTAINED A CHC FOR TSTMS...THOUGH INCRG WNDS ALOFT WL INCR SHEAR VALUES SOME BY THE LT FRI AFTN/EVE FROPA. UPR TROFG AND COOL AIR ALOFT BY SAT WL KEEP SHWR CHCS IN THE FCST...WITH THE BEST CHCS N OF PIT WHERE BETTER MOISTURE/UPR SPPRT IS PROGGED. ABV AVG LT WK TEMPS WL DROP TO WELL BLO SEASONAL LVLS BY THE WKEND.
-- End Changed Discussion --
&& .LONG TERM /SATURDAY NIGHT THROUGH TUESDAY/...
-- Changed Discussion --
COLD AIR ALOFT WILL HELP TO KEEP SHOWERS NORTH OF I-80 SUNDAY WITH DRY AND COOL CONDITIONS ELSEWHERE. STRONG CLOSED LOW ALOFT WILL WOBBLE NORTH OF LAKE HURON MONDAY AND TUESDAY WITH SHORTWAVES RIDING UNDER THE LOW BRINGING PERIODS OF SHOWERS. BY MIDWEEK UPPER TROUGH WILL LIFT NORTH WITH ZONAL FLOW DEVELOPING ACROSS THE OHIO VALLEY. TEMPERATURES WILL BE BELOW SEASONAL AVERAGES TO START THE WEEK...MODERATING BY MID WEEK.
-- End Changed Discussion --
&& .AVIATION /07Z WEDNESDAY THROUGH SUNDAY/... IFR STRATUS HAS DEVELOPED ON THE BACKSIDE OF CLOSED LOW ALOFT OVER WRN PA FROM KPIT TO KFKL AND LOOKS TO SPREAD BACK TO KZZV FOR MUCH OF THE OVERNIGHT. ELSEWHERE QUITE VARIABLE CONDITIONS WITH VARIABLE MVFR/IFR FOG AT TIMES SOUTH. EXPECT STRATUS AND MVFR/IFR FOG AT TIMES TO FILL IN ACROSS THE EASTERN TAFS TO THE RIDGES BEFORE DAYBREAK. AS LOW DEPARTS WEDNESDAY MORNING GRADUAL IMPROVEMENT TO VFR THROUGH THE AFTERNOON. WINDS WILL BE LIGHT THROUGH THE PERIOD. OUTLOOK.../WEDNESDAY NIGHT THROUGH SUNDAY/... RESTRICTIONS EXPECTED IN EARLY MORNING FOG THURSDAY...OTHERWISE THE NXT CHC FOR WIDESPREAD RESTRICTIONS WL COME WITH A FRIDAY/FRIDAY NIGHT CDFNT. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$ 07/10

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