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 030029 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 829 PM EDT SAT MAY 2 2015 .SYNOPSIS... HIGH PRESSURE WILL BRING DRY AND WARM WEATHER THROUGH THE WEEKEND. && .NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
-- Changed Discussion --
STABILIZATION IS QUICKLY TAKING CONTROL OF THE REGION AND THE FLAT CUMULUS FIELD FROM THIS AFTERNOON IS ALL BUT A MEMORY. SKIES WILL LIKELY REMAIN CLEAR ALL NIGHT...WITH INVERSIONS SETTING UP. GIVEN MODEL PROJECTIONS AGAIN OVERPLAYING LOW LEVEL MOISTURE IN THE AREA...OVERNIGHT LOWS WERE ADJUSTED DOWNWARD ACROSS THE BOARD...AND PARTICULARLY IN THE VALLEYS AMONGST THE RIDGES. ESPECIALLY BETWEEN THE CHESTNUT AND LAUREL RIDGES AS WELL AS IN THE LOWER SPOTS OF GARRETT COUNTY...MORE 30S WILL BE LIKELY TONIGHT. ELSEWHERE...A WHOLE LOT OF 40S WILL BE COMMON. YET ANOTHER COOL AND DRY NIGHT. FRIES
-- End Changed Discussion --
&& .SHORT TERM /6 AM SUNDAY MORNING THROUGH MONDAY NIGHT/... SURFACE HIGH PRESSURE ALONG THE EAST COAST WILL ALLOW FOR SOUTHWEST WIND TO ADVECT WARM AIR OVER THE REGION. MOISTURE WILL GRADUALLY INCREASE WITH SOUTHWEST FLOW AND SUPPORT INCREASING CLOUD COVERAGE LATE MONDAY AS A BOUNDARY TRANSITIONS SOUTHWARD ACROSS THE CWA. TEMPERATURES ARE FORECAST TO BE WARMER THAN NORMAL IN LIEU OF THE WARM AIR DISPLACEMENT THROUGH THE PERIOD. && .LONG TERM /TUESDAY THROUGH SATURDAY/... WARM TEMPERATURES...I.E. ABOUT A DOZEN DEGREES ABOVE AVERAGE...ARE FORECAST TO PERSIST THROUGH THE LATTER HALF OF THE WEEK AS A CLOSED LOW IS PROJECTED OVER THE GREAT BASIN WITH RIDGE INFLATION ACROSS THE EASTERN CONUS. THE BETTER RAIN CHANCES ARE ANTICIPATED FOR TUESDAY AND WEDNESDAY WITH A SOUTHWARD SAGGING FRONTAL...AND POSSIBLE OUTFLOW BOUNDARIES...ALTHOUGH INSTABILITY MAY BE LIMITED BY WARM MID LEVELS AND CLOUDS. && .AVIATION /01Z SUNDAY THROUGH THURSDAY/... LINGERING CLOUDS WILL CLEAR OVERNIGHT WITH LOSS OF HEATING BEFORE RETURNING ABOUT 15Z SUNDAY ONCE MIXING BECOMES SUFFICIENTLY DEEP. OVERNIGHT WIND WILL BE LIGHT AND VARIABLE AS SURFACE HIGH PRESSURE CROSSES THE REGION. WSWLY LOW-LEVEL FLOW WILL INCREASE SUNDAY MORNING ONCE THE BOUNDARY-LAYER INVERSION IS ERODED. IN SHORT...VFR CONDITIONS ARE EXPECTED THROUGH THE FORECAST PERIOD...WITH NO AVIATION IMPACTS. .OUTLOOK.../SATURDAY THROUGH WEDNESDAY/... THE NEXT CHANCE FOR GENERAL RESTRICTIONS COMES TUESDAY WITH THE ENCROACHMENT OF A COLD FRONT FROM THE NORTH. && .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.