Area Forecast Discussion
Issued by NWS Upton, NY

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000 FXUS61 KOKX 240253 AFDOKX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW YORK NY 1053 PM EDT THU OCT 23 2014 .SYNOPSIS... LOW PRESSURE OFFSHORE TRACKS NORTHEAST TONIGHT AND REACHES THE CANADIAN MARITIMES BY LATE FRIDAY. MEANWHILE...HIGH PRESSURE BUILDS IN BEHIND THE LOW THROUGH FRIDAY NIGHT. A QUICK MOVING COLD FRONT APPROACHES SATURDAY AND MOVES ACROSS THE REGION SATURDAY NIGHT. HIGH PRESSURE THEN BUILDS INTO THE REGION TO START THE NEW WEEK. ANOTHER COLD FRONT WILL MOVE ACROSS THE REGION WEDNESDAY INTO WEDNESDAY NIGHT. && .NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
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STACKED LOW PRESSURE TRACKS NE THROUGH GEORGES BANK DURING THE OVERNIGHT HOURS. THIS WILL KEEP BREEZY CONDITIONS OVER THE TRI STATE AREA...WITH WINDS ONLY DIMINISHING A LITTLE LATE AT NIGHT. SPOKES OF VORTICITY ROTATING AROUND THE DEPARTING LOW WILL BRING ROUNDS OF SCATTERED SHOWER ACTIVITY TO THE REGION OVERNIGHT...PARTICULARLY LOWER HUD VALLEY/SOUTHERN CT AND EASTERN LI. THE FIRST ROUND WILL DIMINISH THROUGH MIDNIGHT AS SHORTWAVE SLIDES S...WITH A SECOND ROUND LIKELY LATE TONIGHT INTO EARLY FRI MORNING. OVERALL ANY ACTIVITY WILL BE LIGHT. LOWS GENERALLY IN THE 40S OVERNIGHT.
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&& .SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/... SHORTWAVE ROTATING AROUND THE PERIPHERY OF THE DEPARTING LOW PRESSURE SYSTEM COULD PROVIDE A SHOWER IN SPOTS OVER CT AND EASTERN LI FRIDAY MORNING. OTHERWISE....DRY ELSEWHERE THROUGH THE DAY FRIDAY. WITH CYCLONIC FLOW STRATO-CU WILL LIKELY HANG TOUGH DURING THE DAY...PARTICULARLY NORTHERN AND EASTERN PORTIONS OF THE TRI-STATE. CLOUDS AND WINDS CONTINUE TO DIMINISH FRIDAY NIGHT. MAV/NAM MOS BLEND LOOKED GOOD FOR TEMPS THROUGH THE PERIOD. && .LONG TERM /SATURDAY THROUGH THURSDAY/... LOW PRESSURE WILL CONTINUE TO MOVE NORTH INTO THE CANADIAN MARITIMES THIS WEEKEND. CLOSER TO OUR REGION...HIGH PRESSURE WILL START TO BUILD INTO THE REGION ON SATURDAY. A LOW PRESSURE SYSTEM MOVING ACROSS CANADA WILL DRAG A COLD FRONT ACROSS THE REGION SATURDAY NIGHT. AT THIS TIME IT APPEARS THE FRONT WILL COME THROUGH DRY...HOWEVER THERE COULD BE A FEW ISOLATED SHOWERS POSSIBLE. STRONG NW GRADIENT DEVELOPS SUNDAY AFTERNOON WITH 15-20 MPH WINDS WITH 20-30 MPH GUSTS. HIGH PRESSURE WILL BUILD SOUTH OF THE AREA SUNDAY INTO MONDAY AND THE MOVE OFFSHORE MONDAY NIGHT AND TUESDAY. THE AIR MASS WILL MODERATE AND TEMPERATURES WILL BE MILD...WITH HIGHS IN THE MID TO UPPER 60S ON TUESDAY AND WEDNESDAY. A COLD FRONT APPROACHES WEDNESDAY NIGHT INTO THURSDAY...WITH COOLER TEMPERATURES EXPECTED FOR THE END OF THE WEEK. && .AVIATION /03Z FRIDAY THROUGH TUESDAY/...
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LOW PRESSURE SOUTHEAST OF NANTUCKET WILL MOVE VERY SLOWLY EAST OVERNIGHT...PASSING SOUTH OF NOVA SCOTIA ON FRI AS HIGH PRESSURE SLOWLY BUILDS FROM THE WEST. N-NW FLOW GENERALLY 10-15G20-25 KT SHOULD ABATE OVERNIGHT... THEN PICK UP AGAIN BY 14Z FRI. WINDS SHOULD BACK SLIGHTLY MORE NW ON FRI BUT REMAIN RIGHT OF 310 MAGNETIC. EXPECT MAINLY VICINITY IMPACTS FROM LIGHT SHOWERS AT KLGA/KJFK/KISP/KGON LATE THIS EVENING AND AT MOST TERMINALS LATE TONIGHT INTO EARLY DAYLIGHT FRI...BUT WITH LITTLE IF ANY IMPACT ON FLIGHT CATEGORY. CIGS SHOULD REMAIN LOW-END VFR OVERNIGHT AT THE NYC METRO TERMINALS. IMPROVEMENT FARTHER INLAND AT KSWF AND TO THE EAST AT KISP/KGON SHOULD TAKE LONGER...WITH VFR NOT EXPECTED UNTIL LATE MORNING OR EARLY AFTERNOON. 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 SHOULD REMAIN TO THE RIGHT OF 310 MAG. KLGA FCSTER COMMENTS: WINDS SHOULD REMAIN TO THE RIGHT OF 310 MAG. KEWR FCSTER COMMENTS: WINDS SHOULD REMAIN TO THE RIGHT OF 310 MAG. KTEB FCSTER COMMENTS: WINDS SHOULD REMAIN TO THE RIGHT OF 310 MAG. KHPN FCSTER COMMENTS: WINDS SHOULD REMAIN TO THE RIGHT OF 310 MAG. KISP FCSTER COMMENTS: UNSCHED AMD FOR FLUCTUATING CIGS POSSIBLE. WINDS SHOULD REMAIN TO THE RIGHT OF 310 MAG. .OUTLOOK FOR 00Z SAT THROUGH TUE...VFR.
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&& .MARINE...
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LOW PRESSURE TRACK NE REACHING NOVA SCOTIA FRIDAY NIGHT. GALE WARNING HAS BEEN CANCELLED FOR OCEAN WATERS WITH WINDS CURRENTLY RUNNING JUST BELOW GALE AND EXPECTED TO SLOWLY SUBSIDE OVERNIGHT. FREQUENT SCA GUSTS EXPECTED TO GRADUALLY FALL BELOW SCA LATE TONIGHT ACROSS ALL WATERS. MARGINAL NEAR-SHORE SCA GUSTS POSSIBLE ALL WATERS ON FRI DEPENDING ON AMOUNT OF SUNSHINE AND MIXING OVERLAND. OCEAN SEAS SHOULD GRADUALLY FALL BELOW SCA FRI AFT. SUB SCA CONDS LIKELY FRI NIGHT INTO SAT. TIGHT NW GRADIENT DEVELOPS ON SUNDAY WITH 25-30 KT WIND GUSTS LIKELY...AND GUSTS MAY APPROACH 35 KT ON THE EASTERN OCEAN WATERS FOR A BRIEF TIME SUNDAY AFTERNOON. CONDITIONS GRADUALLY SUBSIDE BELOW SCA CRITERIA SUNDAY NIGHT THROUGH MONDAY. TRANQUIL CONDITIONS EXPECTED FOR THE FIRST PART OF THE NEW WEEK. NEXT CHANCE OF SCA CONDITIONS WILL BE LATE TUESDAY NIGHT OR WEDNESDAY AS A COLD FRONT APPROACHES FROM THE WEST.
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&& .HYDROLOGY... NO SIGNIFICANT WIDESPREAD PRECIPITATION EXPECTED THROUGH THE FIRST HALF OF NEXT WEEK. && .TIDES/COASTAL FLOODING... WATER LEVELS ARE EXPECTED TO STAY BELOW MINOR FLOODING THRESHOLDS FOR THIS EVENING HIGH TIDE CYCLE...WITH RESIDUALS CONTINUING TO FALL INTO TOMORROW. && .OKX WATCHES/WARNINGS/ADVISORIES... CT...NONE. NY...NONE. NJ...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL 2 AM EDT FRIDAY FOR ANZ330-335-338- 340-345. GALE WARNING UNTIL 2 AM EDT FRIDAY FOR ANZ350-353-355. && $$ SYNOPSIS...BC/JC NEAR TERM...JC/NV SHORT TERM...JC LONG TERM...BC AVIATION...GOODMAN MARINE...BC/JC/NV HYDROLOGY...BC/JC TIDES/COASTAL FLOODING...NV

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