
Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >
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National Program
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.
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