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 281722 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 122 PM EDT THU AUG 28 2014 .SYNOPSIS... A COOLER AND DRIER END TO THE WEEK. WARMTH...HUMIDITY...AND THE RISK FOR SHOWERS AND STORMS RETURNS FOR THE WEEKEND. && .NEAR TERM /THROUGH TONIGHT/...
-- Changed Discussion --
HIGH PRESSURE IN CONTROL TODAY WITH LIGHT WINDS AND DRY AND COOL AIR UNDER NORTHWESTERLY FLOW BEHIND THE COLD FRONT THAT PASSED THROUGH YESTERDAY. LATEST SATELLITE IMAGERY SHOWS CLOUD STREETS ALREADY BEGINNING TO THIN OUT AS INVERSIONS BREAK AND AIR IN LOWER LEVELS SLIGHTLY MODIFIED WITH JUST ENOUGH MOISTURE FROM THE LAKES MIX WITH DRIER AIR ALOFT.
-- End Changed Discussion --
&& .SHORT TERM /FRIDAY THROUGH SUNDAY NIGHT/...
-- Changed Discussion --
HIGH PRESSURE WILL REMAIN THE DOMINANT FEATURE ON FRIDAY WITH THE START TO A WARMING TREND IN TEMPERATURES AS HEIGHTS RISE UNDER A BUILDING RIDGE. BY SATURDAY RIDGING SHIFTS FARTHER EAST WITH FLOW ALOFT BECOMING MORE SOUTHWESTERLY...TURNING UP THE WARM AIR AND MOISTURE ADVECTION INTO THE REGION. ISOLATED SHOWERS/THUNDERSTORMS WILL BE POSSIBLE BY LATER IN THE DAY...AND DAYTIME MAX TEMPERATURES ARE FORECAST APPROACH 90 DEGREES...WITH DEWPOINTS IN THE UPPER 60S. SUNDAY WILL SEE CONTINUED WARM AND MOIST CONDITIONS WITH A BETTER CHANCE OF SHOWERS/THUNDERSTORMS AS A DISTURBANCE ALOFT PASSES ACROSS THE REGION.
-- End Changed Discussion --
&& .LONG TERM /MONDAY THROUGH THURSDAY/... SVRL DISTURBANCES EMBEDDED IN ZONAL FLOW ALOFT WL KEEP OCNL SHWR AND TSTM CHCS THRU MUCH OF THE LONG TERM PD. THE BEST CHCS FOR PCPN WL BE WITH STRONGER WAVES SUN AND TWD MID WK. TEMPS SHOULD AVG SVRL DEG ABV THE SEASONAL LVLS. && .AVIATION /17Z THURSDAY THROUGH MONDAY/... VFR WITH WINDS LESS THAN 5 KNOTS. OUTLOOK.../THURSDAY THROUGH MONDAY/... LOW PRESSURE PASSING SUNDAY WILL BRING SHOWERS AND SCATTERED THUNDERSTORMS LEADING TO MVFR RESTRICTIONS. && .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.