National Weather Service United States Department of Commerce

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

 

Table C3 or C8

Data type designator T2

There are TWO tables defined for this designator.

T1   = H

1. The WMO standard Table C3 as documented in Manual 386 PART II, Attachment II-5, and used for T1   = H, which is used in most parts of the world for defining these products.

T1   = H, Y, and Z

2. The U.S. National Practice Table C8 which is used to extend the definitions as defined in WMO manual 386 Table C3, and used for T1   = H, Y, and Z bulletins, used for most U.S. model products.