National Weather Service United States Department of Commerce

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. 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.