Area Forecast Discussion
Issued by NWS Upton, NY

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000 FXUS61 KOKX 261921 AFDOKX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW YORK NY 321 PM EDT WED AUG 26 2015 .SYNOPSIS...
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A LARGE AREA OF HIGH PRESSURE OVER THE MIDDLE OF THE COUNTRY WILL BUILD INTO THE REGION THROUGH THE UPCOMING WEEKEND. A WEAK TROUGH OF LOW PRESSURE MAY PASS THROUGH THE REGION SUNDAY NIGHT. OTHERWISE...HIGH PRESSURE CONTINUES TO BUILD ACROSS THE AREA THROUGH THE MIDDLE OF THE WEEK.
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&& .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
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SPRAWLING HIGH PRESSURE BUILDS INTO THE TRI-STATE FROM THE MIDDLE OF THE COUNTRY TONIGHT. SOME SCT LATE AFTERNOON AND EVENING CLOUD COVER SHOULD DIMINISH AFTER SUNSET. THERE IS SOME MID LEVEL MOISTURE NORTH AND WEST OF THE NYC METRO THAT MAY HOLD SOME SCT CLOUDS OVERNIGHT AS UPPER TROUGH OVER THE NE AND SOUTHERN CANADA MOVES THROUGH. OTHERWISE...GOOD RADIATIONAL COOLING CONDITIONS TONIGHT WITH LIGHT WINDS...DRY AIR...AND MOSTLY CLEAR SKIES. LOW TEMPERATURES ARE A MAV/MET BLEND AND YIELD SEASONABLE READINGS IN THE MIDDLE AND UPPER 50S INLAND...MIDDLE 60S IN THE NYC METRO...AND LOWER 60S CLOSER TO THE COAST.
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&& .SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/...
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DRY AND TRANQUIL WEATHER CONTINUES THROUGH FRIDAY MORNING AS HIGH PRESSURE WILL CONTINUE BUILDING OVER THE REGION. MAIN UPPER LEVEL TROUGH AXIS LIFTS NORTH AND EAST INTO EASTERN CANADA ON THURSDAY AND IS REPLACED BY WEAKER SHORTWAVE TROUGH THURSDAY NIGHT THAT WILL REINFORCE THE SEASONABLE TEMPERATURES AND LOW HUMIDITY LEVELS ACROSS THE AREA. MOSTLY SUNNY SKIES ON THURSDAY WITH JUST SOME SCT AFTERNOON CUMULUS CLOUDS WITH DAYTIME HEATING. HIGH TEMPERATURES IN THE UPPER 70S AND LOWER 80S ARE FORECAST. EXCELLENT RADIATIONAL COOLING CONDITIONS ON THURSDAY NIGHT WITH MOSTLY CLEAR SKIES...DRY AIR...AND LIGHT WINDS. LOWS WILL BE SIMILAR TO WEDNESDAY NIGHT...IN THE MID AND UPPER 50S INLAND TO THE LOWER AND MIDDLE 60S NEAR THE COAST.
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&& .LONG TERM /FRIDAY THROUGH WEDNESDAY/...
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LARGE HIGH PRESSURE BUILDS EAST ON FRIDAY AND INTO THE WEEKEND. A WEAK FRONT MAY CROSS THE AREA SUNDAY NIGHT. HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA THROUGH THE MIDDLE OF THE WEEK. TEMPERATURES DURING THE EXTENDED PERIOD WILL BE IN THE 80S WITH LOWS IN THE LOWS TO MID 60S INLAND AND UPPER 60S TO LOWER 70S ALONG THE COAST. HUMIDITY WILL BE ON THE INCREASE OVER THE WEEKEND WITH DEW POINTS IN THE MID TO UPPER 60S AND REMAIN THROUGH THE REMAINDER OF THE EXTENDED PERIOD.
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&& .AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
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VFR THROUGH THE TAF PERIOD AS HIGH PRES BUILDS INTO THE NORTHEAST. W-SW FLOW 8-12 KT WITH OCNL GUSTS TO 20 KT THROUGH THIS AFTERNOON. COASTAL SEA BREEZES WILL RESULT IN S-SW WINDS AT KJFK/KISP/KBDR/KGON. WINDS VEER TO THE NW BY THIS EVENING...AND WINDS DIMINISH TO LESS THAN 10 KT. ...NY METRO ENHANCED AVIATION WEATHER SUPPORT... DETAILED INFORMATION...INCLUDING HOURLY TAF WIND COMPONENT FCSTS CAN BE FOUND AT: HTTP://WWW.ERH.NOAA.GOV/ZNY/N90 (LOWER CASE) KJFK FCSTER COMMENTS: WINDS 200-220 MAG THROUGH THIS AFTERNOON. WINDS VEER TO THE NW BY EVENING. AMDS POSSIBLE FOR TIMING OF WIND DIRECTION SHIFTS. KLGA FCSTER COMMENTS: SW WINDS THROUGH EARLY EVENING...THEN WINDS VEER TO THE NW. AMDS POSSIBLE FOR TIMING OF WIND DIRECTION SHIFT. KEWR FCSTER COMMENTS: WINDS TO THE LEFT OF 310 MAG THROUGH THIS EVENING...THEN WINDS VEER TO THE RIGHT. AMDS POSSIBLE FOR TIMING OF WIND SHIFT. KTEB FCSTER COMMENTS: AMDS POSSIBLE FOR TIMING OF WIND SHIFT. KHPN FCSTER COMMENTS: AMDS POSSIBLE FOR TIMING OF WIND SHIFT. KISP FCSTER COMMENTS: AMDS POSSIBLE FOR TIMING OF WIND SHIFT. .OUTLOOK FOR 18Z THURSDAY THROUGH MONDAY... .THURSDAY AFTERNOON THROUGH MONDAY...VFR. AFTERNOON SEABREEZES POSSIBLE AT COASTAL TERMINALS.
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&& .MARINE...
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HIGH PRESSURE BUILDS OVER THE WATERS THROUGH FRIDAY WITH SUB SCA CONDITIONS. WINDS ON THE OCEAN WILL BE 10-15 KT ON THE OCEAN WITH LESS THAN 10 KT ON THE LI SOUND AND THE SURROUNDING BAYS. SEAS WILL BE 2 TO 3 FT. BELOW SMALL CRAFT ADVISORY CONDITIONS EXPECTED ACROSS THE AREA WATERS THROUGH THE EXTENDED PERIOD AS A LARGE HIGH PRESSURE BUILDS EAST.
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&& .HYDROLOGY...
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NO SIGNIFICANT WIDESPREAD RAINFALL IS EXPECTED THROUGH THE MIDDLE OF NEXT WEEK.
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&& .OKX WATCHES/WARNINGS/ADVISORIES... CT...NONE. NY...NONE. NJ...NONE. MARINE...NONE. && $$ SYNOPSIS...FIG/DS NEAR TERM...DS SHORT TERM...DS LONG TERM...FIG AVIATION...MPS MARINE...FIG/DS HYDROLOGY...FIG/DS

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