Area Forecast Discussion
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000 FXUS61 KPBZ 281536 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 1136 AM EDT THU MAY 28 2015 .SYNOPSIS... MAINLY DRY AND WARM TODAY. DISTURBANCES WILL BRING UNSETTLED WEATHER FRIDAY INTO THE WEEKEND. && .NEAR TERM /THROUGH TONIGHT/...
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SURFACE BOUNDARY ALONG THE RIDGES AND CONTINUES TO SINK SOUTHEAST. ONLY SLIGHT CHANCE POPS REMAIN ACROSS THE SOUTHEAST RIDGES THIS AFTERNOON. LOWER DEW POINTS CONTINUE TO SLOWLY PUSH SOUTH BUT AS FRONT WASHES OUT THIS EVENING LESS IN THE WAY OF LOW LEVEL DRY AIR WILL MAKE IT TO THE MASON DIXON LINE. MAX TEMPS THIS AFTERNOON UNCHANGED IN THE LOW TO MID 80S. SURFACE HIGH WILL SLIDE EAST ACROSS THE GREAT LAKES TO NEW ENGLAND WITH A BASICALLY DRY FORECAST OVERNIGHT. TEMPS CLOSE TO MODEL MOS.
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&& .SHORT TERM /FRIDAY THROUGH SATURDAY/...
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RIDGE SURFACE AND ALOFT WILL SHIFT EAST FRIDAY WITH SOUTHWEST FLOW DEVELOPING. MODELS HAVE COME INTO SOME AGREEMENT ON RIPPLES OF ENERGY RIDING NORTHEAST IN THE FLOW FRIDAY AND FRIDAY NIGHT. HAVE ADJUSTED POPS TO GIVE MORE SCATTERED ACTIVITY ACROSS MUCH OF THE REGION BY AFTERNOON. CONTINUED ISOLATED POPS FRIDAY NIGHT AS HARD TO TIME IMPULSES MOVE THROUGH THE FLOW. INCREASING HUMIDITY FRIDAY NIGHT AS DEW POINTS WILL REMAIN WELL INTO THE 60S. COLD FRONT WILL BE APPROACHING FROM THE WEST BY SATURDAY AFTERNOON WITH INCREASING SHOWER AND THUNDERSTORM CHANCES AS THE DAY PROGRESSES. WARM AND HUMID CONDITIONS WILL REMAIN.
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&& .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... MUCH COOLER SUNDAY AS FRONTAL BOUNDARY STALLS OUT ACROSS OR JUST SOUTH OF THE MASON DIXON LINE. DEEP MOISTURE IN PLACE FOR DAILY RAIN CHANCES. HIGHEST CHANCE POPS RELEGATED TO THE SOUTHEASTERN ZONES AS THIS IS WHERE THE DEEPER MOISTURE AND LIFT WILL OCCUR. A CUT- OFF UPPER LOW OVER THE LOWER MISSISSIPPI WILL FEED GULF MOISTURE NORTHWARD INTO THE REGION EVENTUALLY PUSHING THE REMNANTS OF THE BOUNDARY BACK NORTH AS A WARM FRONT. HIGH PRESSURE LOOKS TO GRADUALLY BUILD IN AGAIN TO THE EAST BY THE MIDDLE OF NEXT WEEK...BUT THE PATTERN LOOKS TO REMAIN DISTURBED UNTIL THEN. && .AVIATION /16Z THURSDAY THROUGH MONDAY/...
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VFR IS EXPECTED THROUGH TONIGHT FOR MOST PORTS UNDER BUILDING RIDGING. A WEAK SURFACE BOUNDARY LINGERING NEAR THE SOUTHERN PA BORDER SHOULD BRING MORE CU AND A SLIGHT CHANCE OF A SHOWER OR STORM NEAR MGW...THOUGH CHANCES PRECIP ARE TOO LOW FOR A TAF MENTION. .OUTLOOK.../FRIDAY THROUGH MONDAY/... RESTRICTIONS ARE POSSIBLE IN SCATTERED THUNDERSTORMS FRIDAY... WITH MORE WIDESPREAD RESTRICTIONS EXPECTED SATURDAY INTO SUNDAY WITH A CROSSING COLD FRONT.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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