Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

The tropical systems depicted on this map west of 180 (dateline) are based on bulletins issued by the Joint Typhoon Warning Center (JTWC), based in Honolulu, HI. The Regional Specialized Meteorological Center (RSMC) for this area is the Japan Meteorological Agency (JMA).

To learn more the new probabilistic tropical cyclone graphics, read our introduction here: Introducing New Probabilistic TC Graphics PDF

The cone graphics for the West Pacific are based on the following:

Forecast Period (hours)	2/3 Probability Circle, West Pacific Basin (nautical miles)
12	35
24	50
36	65
48	80
72	120
96	165
120	225

Public Forecast

Public Forecast

Marine Forecast

Marine Forecast

Radar

Radar

Satellite

Satellite

Area Forecast Discussion

Area Forecast Discussion

Active Tropical Cyclones

Active Tropical Cyclones

Palau Sector

Palau Sector

Yap Sector

Yap Sector

Marianas Sector

Marianas Sector

Chuuk Sector

Chuuk Sector

Pohnpei/Kosrae Sector

Pohnpei/Kosrae Sector

Marshall Islands Sector

Marshall Islands Sector

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