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Severe Thunderstorms from the Midwest to Mid-Atlantic Tonight; The Heat Continues in the Southern and Eastern U.S.

Strong to severe thunderstorms capable of producing large to very large hail, damaging wind gusts and a few strong tornadoes are likely from the Midwest to the Mid-Atlantic tonight. Moderate Risk (level 4 of 5) of severe thunderstorms is outlooked for the Midwest. A widespread heat wave will peak in the South and East on Friday, with many temperature records expected to be broken. Read More >

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Table C3

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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.