National Weather Service United States Department of Commerce

Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

The ZNY CWSU NY Tracon thunderstorm gate forecast has been discontinued and has been replaced by the AWC KNYC Gate Forecast. The AWC KNYC Gate Forecast can be found at this address:  

https://aviationweather.gov/trafficflowmgmt/gate/site?id=KNYC