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 020944 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 544 AM EDT THU OCT 2 2014 .SYNOPSIS... THE NEXT CHANCE FOR RAIN WILL COME WITH A FRIDAY COLD FRONT. MUCH COOLER TEMPERATURES ARE EXPECTED FOR THE WEEKEND. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... WDSPRD DENSE FG WL CONT ERLY THIS MRNG WITH LLVL MOISTURE IN PLACE UNDER AN INVERSION. WL CONT WITH THE DENSE FG ADVY THRU 9AM. THE FG SHOULD DSPT BY MID MRNG AS FG DEPTH IS NOT AS GREAT AS YDA. OTRW...EXP RIDGING AND WRM ADVCTN TDA WITH DRY WEA. CI FM WKNG TSTMS OVR IL SHOULD WORK INTO THE AREA LTR TDA...THOUGH THIS SHOULD BE THINNING AND DCRG AS THE CLDS RUN INTO DRIER AIR. TEMPS SHOULD BE SVRL DEG ABV SEASONAL AVGS TDA. && .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... RIDGING WL GRDLY SHIFT EWD TNGT WITH CONTD WRM ADVCTN. A CDFNT WL ADVN E ACRS THE RGN LT FRI AND FRI EVE...THOUGH INITIAL SHWR ACTIVITY WL LIKELY DVLP ALG A PRE FRONTAL TROF EARLIER IN THE DAY. GFS/ECMWF PROGS SHOW LMTD INSTBY...THOUGH WITH WNDS ALOFT AND SHEAR INCRG FRI WL MAINTAIN A CHC OF TSTMS IN THE FCST. AFT FROPA...AN UPR LOW IS PROGGED TO SET UP ACRS ONTARIO...WITH A SERIES OF SHRTWVS ROTATING ARND THE LOW INTO THE GT LKS RGN. THIS WL KEEP SOME CHC FOR SHWRS MAINLY N OF PIT...THOUGH DID MAINTAIN SOME UNMENTIONABLE SLGT CHC POPS FURTHER S. ABV AVG TEMPS ON FRI WL BE REPLACED WITH TEMPS WELL BLO SEASONAL LVLS BY THE WKEND AS 850MB TEMPS DROP TO ARND ZERO. && .LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/... STRONG CLOSED LOW ALOFT WILL WOBBLE NORTH OF THE GREAT LAKES THROUGH TUESDAY WITH COO TEMPERATURES. A SHORTWAVE WILL BRING BRING INCREASING CLOUDS AND SHOWER CHANCES LATER SUNDAY NIGHT AND MONDAY. A REINFORCING COLD FRONT AND SHORTWAVE WILL CROSS THE REGION TUESDAY WITH ADDITIONAL SHOWER CHANCES. BY MIDWEEK UPPER TROUGH WILL LIFT NORTH WITH ZONAL FLOW DEVELOPING ACROSS THE OHIO VALLEY BRINGING TEMPERATURES BACK TO NEAR SEASONAL AVERAGES. && .AVIATION /10Z THURSDAY THROUGH MONDAY/... CONDITION DETERIORATION IS EXPECTED OVERNIGHT WITH FOG AND STRATUS UNDER A STRENGTHENING INVERSION. IFR FOR ALL SITES WITH LIFR AT TIMES. IMPROVEMENT AFTER DAYBREAK IS EXPECTED WITH MIXING FOR VFR THROUGH THE DAY. OUTLOOK.../THURSDAY NIGHT NIGHT THROUGH MONDAY/... THE NEXT CHC FOR WIDESPREAD RESTRICTIONS WILL COME WITH A FRIDAY COLD FRONT. RESTRICTIONS WILL BE POSSIBLE IN SHOWERS MONDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...DENSE FOG ADVISORY UNTIL 9 AM EDT THIS MORNING FOR MDZ001. OH...DENSE FOG ADVISORY UNTIL 9 AM EDT THIS MORNING FOR OHZ039>041- 048>050-057>059-068-069. PA...DENSE FOG ADVISORY UNTIL 9 AM EDT THIS MORNING FOR PAZ007>009- 013>016-020>023-029-031-073>076. WV...DENSE FOG ADVISORY UNTIL 9 AM EDT THIS MORNING FOR WVZ001>004- 012-021>023-041. && $$ 07/10

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