National Weather Service United States Department of Commerce

Severe Thunderstorms in West Texas; Heavy Rainfall in the Southeast U.S.

Scattered strong to severe storms capable of sporadic large hail and severe winds are expected this afternoon and evening across portions of western Texas. Widespread showers and thunderstorms may produce isolated flash flooding across the Ozarks today and the Southeast into next week. Read More >

 

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