Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. 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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