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Rain and Thunderstorms in the Southeast; A Wintry Mix in the Southern Mid-Atlantic

A frontal system is expected to bring showers and thunderstorms along the Gulf Coast and Southeast, and some snow and/or freezing rain/drizzle over the southern Mid-Atlantic into the morning. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next couple of days. 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