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Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. 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