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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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.