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Heat Continues for the East and South-Central U.S.; Strong to Severe Storms Across the Mid-Atlantic and Northeast

The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >

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Table C10

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Table C10

Reference Time designator A2

(when T1   =   Y or Z)

Instructions for the proper application of the reference time designator

1. The designator specified in this table should be used to the greatest extent possible to indicate the reference time of data contained within the text of the bulletin.

2. When the table does not contain a suitable designator for the reference time, use "Z" and obtain the forecast hour from the GRIB Product Definition Section.

Designator
Data Type
Designator
Data Type
A Analysis (00 hour) N 18 hours forecast
B 1 hour forecast O 24 hours forecast
C 2 hours forecast P 30 hours forecast
D 3 hours forecasts Q 36 hours forecast
E 4 hours forecast R 42 hours forecast
F 5 hours forecast S 48 hours forecast (2 days)
G 6 hours forecast T 60 hours forecast
H 7 hours forecast U 72 hours forecast (3 days)
I 8 hours forecast V 84 hours forecast
J 9 hours forecast W 96 hours forecast (4 days)
K 10 hours forecast X 108 days forecast
L 11 hours forecast Y 120 hours forecast (5 days)
M 12 hours forecast Z Time contained in PDS