Area Forecast Discussion
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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 021131 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 731 AM EDT SAT MAY 2 2015 .SYNOPSIS... HIGH PRESSURE WILL BRING DRIER AND WARMER WEATHER FOR THE WEEKEND. && .NEAR TERM /THROUGH TONIGHT/... SURFACE HIGH PRESSURE WILL KEEP CONDITIONS DRY AND WARMER THAN NORMAL THROUGH THE EVENING. SUFFICIENT MOISTURE AT MID AND UPPER LEVELS WILL CAUSE CIRRUS AND SOME FORMATION OF CUMULUS TO DEVELOP IN THE AFTERNOON...OTHERWISE PLENTY OF SUNSHINE IS EXPECTED TODAY. THE DEEP MIXING PROFILE AND MODEST HEATING EXPECTATIONS HAVE LED TO A SLIGHTLY WARMER MAX TEMPERATURE THAN WHAT GUIDANCE SUGGESTS. && .SHORT TERM /SUNDAY THROUGH MONDAY/... THE WARMING TREND WILL CONTINUE SUNDAY AND MONDAY AS RIDGING CONTINUES TO BUILD OVER THE REGION. FLOW WILL BECOME MORE SOUTHWESTERLY LATE SUNDAY INTO MONDAY WHICH WILL ALLOW FOR ADDITIONAL MOISTURE ADVECTION ACROSS THE REGION. MODELS HAVE TRENDED SLOWER IN TRANSITIONING A BOUNDARY SOUTH AND OVER THE FORECAST AREA WHICH NOW LOOKS MOST LIKELY TO OCCUR LATE MONDAY INTO TUESDAY MORNING. WITH THAT AND CONTINUED WARMING ALOFT...SURFACE BASED LIFT LOOKS LIKELY TO BE CAPPED OFF BETWEEN 6-8KFT AND EXPECT NOTHING MORE THAN AN INCREASE IN CLOUD COVERAGE MONDAY AFTERNOON. && .LONG TERM /MONDAY NIGHT THROUGH FRIDAY/... WARM TEMPERATURES ARE FORECAST TO PERSIST THROUGH THE WEEK...ESPECIALLY DURING THE LATTER HALF AS A CLOSED LOW IS PROJECTED OVER THE WEST STATES WITH RIDGE INFLATION FOR POINTS EAST. A CHANCE OF RAIN WAS INCLUDED LATE MONDAY THROUGH WEDNESDAY MORNING AS A FRONT IS PROGGED TO SAG ACROSS THE REGION. && .AVIATION /11Z SATURDAY THROUGH WEDNESDAY/... DRY SURFACE HIGH PRESSURE WILL MAINTAIN LIGHT NORTHWEST TO WEST SURFACE WIND AND VFR THROUGH THE PERIOD ALTHOUGH CIRROSTRATUS AND SCATTERED CU AND ALTOCU CAN BE EXPECTED TODAY WITH A CROSSING DISTURBANCE IN NORTHWEST FLOW ALOFT. .OUTLOOK.../SATURDAY THROUGH WEDNESDAY/... THE NEXT CHANCE FOR GENERAL RESTRICTIONS IS EXPECTED WITH TUESDAY FRONTAL ENCROACHMENT. && .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.