Area Forecast Discussion
Issued by NWS Albany, NY

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000 FXUS61 KALY 191045 AFDALY AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ALBANY NY 645 AM EDT WED JUN 19 2013 .SYNOPSIS... HIGH PRESSURE WILL SETTLE INTO THE REGION TODAY AND BRING DRY AND COOLER THAN NORMAL CONDITIONS THROUGH THURSDAY. GENERALLY FAIR CONDITIONS WILL CONTINUE INTO THE EARLY PART OF THE WEEKEND...ALONG WITH A GRADUAL WARMING TREND. && .NEAR TERM /UNTIL 6 PM WEDNESDAY/...
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THE ONLY CHANGES MADE TO THE FORECAST FOR THIS UPDATE WAS TO REMOVE ANY MENTION OF EARLY MORNING FOG. .PREVIOUS DISCUSSION... AS OF 400 PM...EXCEPT FOR SOME HIGH CLOUDS OVER THE SOUTHEAST PART OF THE FORECAST AREA AND PATCHY FOG IN SOME OTHER AREAS...SKIES HAVE GENERALLY CLEARED ACROSS THE REGION. AS HIGH PRESSURE CONTINUES TO BUILD IN THE FROM THE GREAT LAKES AREA...SKIES WILL BECOME CLEAR IN ALL AREAS BY LATER THIS MORNING. DESPITE PLENTY OF SUNSHINE TODAY... THE AIRMASS IS COOL AND HIGHS WILL BE A FEW DEGREES BELOW NORMAL... GENERALLY IN THE MID 60S TO MID 70S.
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&& .SHORT TERM /TONIGHT THROUGH FRIDAY/... THE HIGH WILL BE OVER THE REGION TONIGHT WITH CLEAR SKIES AND LIGHT WINDS. THIE WILL PRODUCE AN UNSEASONABLY COOL NIGHT WITH LOWS IN THE UPPER 30S AND 40S. THE CENTER OF THE HIGH WILL MOVE OFF THE NEW ENGLAND COAST ON THURSDAY AND THE SOUTHERLY FLOW AROUND IT WILL PRODUCE A WARMING TREND THROUGH FRIDAY...ALONG WITH THE CONTINUATION OF FAIR WEATHER. HIGHS THURSDAY WILL BE 70 TO 80. LOWS THURSDAY NIGHT IN THE UPPER 40S AND 50S...AND HIGHS FRIDAY IN THE MID 70S TO LOWER 80S. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... HIGH PRESSURE WILL BE POSITIONED JUST OFF THE MID ATLANTIC COAST THROUGH THE WEEKEND...WHICH WILL ALLOW FOR A WARM FLOW OF AIR AROUND THE PERIPHERY OF THE HIGH. ALSO...AN UPPER LEVEL RIDGE WILL BE BUILDING OVER THE OHIO VALLEY AND MID ATLANTIC REGION...WITH OUR AREA ON THE NORTHERN PERIPHERY OF THE RIDGE. IT STILL APPEARS AS THOUGH WE WILL REMAIN DRY THROUGH THE FIRST HALF OF THE WEEKEND...BEFORE THE PATTERN TURN SOMEWHAT MORE UNSETTLED. KEPT MENTION OF JUST SLIGHT CHANCE POPS ON SATURDAY TO ACCOUNT FOR MODEST INSTABILITY DEVELOPING DUE TO SLIGHTLY HIGHER DEWPOINTS. NOT MUCH OF A SYNOPTIC TRIGGER FOR CONVECTION...BUT A STRAY SHOWER OR THUNDERSTORM CANNOT BE RULED OUT. THE BETTER CHANCE FOR AT LEAST SCATTERED MAINLY DIURNAL CONVECTION WILL BE FROM SUNDAY THROUGH TUESDAY...AS POSSIBLE MULTIPLE DISTURBANCES IN THE WESTERLY FLOW ALOFT MIGRATE ACROSS THE AREA. WITH ABOVE NORMAL TEMPERATURES AND HUMID CONDITIONS DEVELOPING...INSTABILITY WILL BE PRESENT EACH DAY. ANY WEAK IMPULSE WILL HAVE THE POTENTIAL TO TRIGGER CONVECTION. STORMS COULD POTENTIALLY BE STRONG DEPENDING ON THE DEGREE OF INSTABILITY/SHEAR. TEMPERATURES LOOK TO AVERAGE ABOVE NORMAL THROUGH THE PERIOD...WITH PRECIPITATION WIDELY VARYING BASED ON WHICH AREAS HAVE CONVECTION. && .AVIATION /12Z WEDNESDAY THROUGH SUNDAY/...
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VFR CONDITIONS WILL PREVAIL THROUGH THE DAYLIGHT HOURS WITH HIGH PRESSURE BUILDING INTO THE REGION. SOME RADIATION FOG WILL BE POSSIBLE TONIGHT AT KGFL/KPSF ONCE DECOUPLING OCCURS. WILL MENTION MVFR VSBYS FOR NOW...BUT THERE IS THE POSSIBILITY OF IFR. WINDS TODAY WILL BE NORTHERLY AROUND 5 TO 10 KT...BECOMING LIGHT AND VARIABLE AFTER DARK. OUTLOOK... THU-FRI...MAINLY VFR. NO SIG WX. POSSIBLE LATE NIGHT FOG AT KGFL/KPSF. SAT...MAINLY VFR. SLGT CHC -TSRA/-SHRA. SUN...MAINLY VFR. CHC TSRA.
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&& .FIRE WEATHER... NO FIRE WEATHER CONCERNS AT THIS TIME DUE TO THE RECENT WET WEATHER. HIGH PRESSURE WILL SETTLE INTO THE REGION TODAY AND BRING DRY AND COOLER THAN NORMAL CONDITIONS THROUGH THURSDAY. GENERALLY FAIR CONDITIONS WILL CONTINUE INTO THE EARLY PART OF THE WEEKEND...ALONG WITH A GRADUAL WARMING TREND. && .HYDROLOGY... FLOWS REMAIN ABOVE NORMAL FOR MID JUNE ACROSS THE HYDRO SERVICE AREA. DRY WEATHER IS EXPECTED TODAY THROUGH FRIDAY...ALLOWING RIVERS TO CONTINUE TO GRADUALLY LOWER FROM THE VERY WET CONDITIONS OF THE PAST FEW WEEKS. FOR DETAILS ON SPECIFIC AREA RIVERS AND LAKES...INCLUDING OBSERVED AND FORECAST RIVER STAGES AND LAKE ELEVATIONS...PLEASE VISIT THE ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ GRAPHS ON OUR WEBSITE. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...NONE. NY...NONE. MA...NONE. VT...NONE. && $$ SYNOPSIS...GJM NEAR TERM...GJM SHORT TERM...GJM LONG TERM...JPV AVIATION...JPV FIRE WEATHER...KL/GJM HYDROLOGY...KL/GJM

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