Area Forecast Discussion
Issued by NWS State College, PA

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000 FXUS61 KCTP 271903 AFDCTP AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 303 PM EDT THU AUG 27 2015 .SYNOPSIS... AN UNSEASONABLY STRONG UPPER TROUGH WILL FINALLY LIFT OUT OT THE EAST OF THE REGION BY FRIDAY. HIGH PRESSURE WILL THEN BUILD IN AND SLOWLY DRIFT OFF THE EAST COAST OVER THE WEEKEND. MUCH WARMER TEMPERATURES WILL MOVE INTO REGION FOR THE WEEKEND...AND VERY WARM AND INCREASINGLY HUMID WEATHER WILL CONTINUE INTO THE MIDDLE OF NEXT WEEK. && .NEAR TERM /UNTIL 6 AM FRIDAY MORNING/... VIZ LOOPS SHOW THE LARGE SHIELD OF STRATOCU FROM THE OHIO VALLEY UP INTO EASTERN CANADA. OTHER THAN A STRAY LIGHT SHOWER OR SPRINKLE OVER NORTHERN AREAS...WE WILL REMAIN DRY UNDER THE M-CLOUDY SKIES THROUGH LATE DAY. TODAY WILL BE THE LAST COOL DAY FOR QUITE A WHILE. BELOW SEASONAL ENS MEAN 8H TEMPS OF ONLY AROUND 10C SHOULD TRANSLATE TO MAX TEMPS FROM THE U60S OVER THE ALLEGHENIES...TO THE MID-UPPER 70S ACROSS THE LOWER SUSQ VALLEY. SKIES SHOULD SCATTER OUT QUICKLY WITH LOSS OF HEATING...LEADING TO A COOL NIGHT WITH PRIME RADIATIONAL COOLING CONDITIONS. WITH DEWPOINTS GENERALLY IN THE LOW TO MID 50S...WE SHOULD EASILY COOL CLOSE TO THESE READINGS LEADING TO AREAS OF LATE NIGHT FOG AND LOW CLOUDS. && .SHORT TERM /6 AM FRIDAY MORNING THROUGH 6 PM FRIDAY/... FRIDAY WILL BEGIN OUR WARM UP AS HEIGHTS ALOFT BEGIN TO BUILD. AFTER SOME EARLY MORNING FOG...SKIES WILL BECOME PARTLY TO MOSTLY SUNNY AND HIGHS WILL AVERAGE SOME 5-8 DEG WARMER THAN TODAY. && .LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
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CENTRAL PA WILL BE ON THE WESTERN EDGE OF A SURFACE HIGH THIS WEEKEND...RESULTING IN SOUTHWESTERLY FLOW AND THE RETURN OF WARMER...MORE HUMID AIR TO THE REGION. A WEAK DISTURBANCE AT THE SURFACE AND ALOFT WILL APPROACH FROM THE OHIO VALLEY LATE SUNDAY...AND SHOULD WEAKEN AS IT MOVES EAST...BUT COULD BRING SOME SHOWERS AND ISOLATED THUNDERSTORMS SUNDAY EVENING INTO MONDAY...MAINLY ACROSS THE NORTHERN AND WESTERN MOUNTAINS. MODELS CONTINUE TO SHOW A LARGE UPPER LEVEL RIDGE BUILDING OVER THE EASTERN U.S. EARLY NEXT WEEK. THIS WILL CAUSE TEMPERATURES TO STAY ABOVE NORMAL THROUGH AT LEAST MIDWEEK. IT SHOULD ALSO KEEP CENTRAL PA MAINLY DRY...EXCLUDING ISOLATED DIURNAL SHOWERS AND THUNDERSTORMS.
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&& .AVIATION /19Z THURSDAY THROUGH TUESDAY/... WIDESPREAD CEILINGS IN THE 4000-6000` RANGE WILL SCATTER OUT THIS EVENING WITH THE LOSS OF HEATING. THE CLEAR SKIES AND LIGHT WINDS WILL LEAD TO AREAS OF FOG AND LOW CLOUDS TO FORM LATER TONIGHT. EXPECT WIDESPREAD MVFR WITH LOCAL VFR LATE TONIGHT AND AT SUN UP FRIDAY. CONDITIONS WILL IMPROVE QUICKLY FRIDAY MORNING AS THE FOG BURNS OFF TO A VFR AFTERNOON. OUTLOOK... THU-SAT...NO SIG WX EXPECTED. SUN-MON...MAINLY VFR WITH A SHOWER/THUNDERSTORM POSSIBLE. TUE...NO SIG WX EXPECTED. && .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && $$ SYNOPSIS...LA CORTE NEAR TERM...LA CORTE SHORT TERM...LA CORTE LONG TERM...HAGNER AVIATION...LA CORTE

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