New York Metro Aviation Discussion


Aviation Weather Discussion 
National Weather Service NEW YORK NY

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***      NY METRO Terminal Weather Discussion       ***
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 .AVIATION /01Z THURSDAY THROUGH MONDAY/...
Low pressure approaches from the west into Thursday with low 
pressure developing along it. Both features are east of the 
terminals by the end of the TAF period Thursday evening.

Initial VFR conditions are expected this evening but expecting some 
MVFR visibilities late this evening for KSWF and for most terminals 
overnight as showers spread into the region. Overnight, expecting 
mainly MVFR conditions which transition to mainly IFR on
Thursday. Localized LIFR will be possible. 

Periodic showers continue overnight into Thursday and 
eventually become more intermittent late in the TAF period. A 
few embedded thunderstorms will be possible but probability too 
low to include in TAFs at the moment. Improvement is forecast to
MVFR and VFR for all terminals by Thursday late afternoon to 
early evening except for KGON.

Gusty southerly flow remains this evening for most terminals with 
wind speeds near 15-20 kt and gusts near 25-30 kt. Low level wind 
shear marginal this evening with SW winds near 40 kt at 2kft AGL 
east of NYC terminals. KSWF has light flow near 5 kts with 
variable direction this evening. Gusts diminish overnight with 
southerly winds near 5-10 kts. Winds for become variable 
direction with wind speeds near 5 kts or less for Thursday, 
eventually becoming a NW-W flow near 5-10 kt in the afternoon 
for all terminals except KGON.


 ...NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty...

End time of gusts could be 1-2 hours beyond indicated in TAF.

Shower timing could be off by 1-3 hours. 

MVFR and IFR might be 1-2 hours delayed compared to TAF.

.OUTLOOK FOR 00Z FRIDAY THROUGH MONDAY...

Thursday night: A chance of showers with possible MVFR. Otherwise 
VFR.

Friday: A chance of showers with MVFR or lower conditions possible, 
mainly early.

Saturday: VFR. SW wind gusts 15-20 kt afternoon into evening.

Sunday: Mainly VFR. Slight chance of a shower or thunderstorm with 
brief MVFR or lower conditions possible. 

Monday: VFR.

Detailed information, including hourly TAF wind component
forecasts, can be found at: https:/www.weather.gov/zny/n90

&&
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***    LATEST NY AIR ROUTE TRAFFIC CONTROL CENTER   ***
***         METEOROLOGICAL IMPACT STATEMENT         ***
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...FOR ATC PLANNING PURPOSES ONLY...
ZDC CWSU WILL PROVIDE BACKUP TO ZNY FM 082300-090100Z.
OCNL MOD ICE BTN 050-FL180.

=

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***        NY AIR ROUTE TRAFFIC CONTROL CENTER      ***
***                DAILY SWAP STATEMENT             ***
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THE ZNY ARTCC SEVERE WEATHER AVOIDANCE PLAN (SWAP) STATEMENT
IS CURRENTLY UNAVAILABLE.

The SWAP Statement is Issue Daily during the late morning during
SWAP Season - 1 Apr through 30 Sep.

During other times of the year, the SWAP Statement is issued on 
an as needed basis.
Web Page Last Modified: 1/12/16