Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

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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.