National Weather Service United States Department of Commerce

Scattered Severe Storms to Continue Over the Central and Southern Plains this Weekend; Snow in the Sierra Nevada

Scattered strong to severe thunderstorms will persist over the central to southern High Plains this weekend with a severe weather and flash flooding threat. A late season storm will bring low elevation rain and high elevation snow to portions of California, Nevada and Oregon through the weekend. Winter Weather Advisories are in place for the Sierra for snow totals of 3-6", locally higher. Read More >

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Table C2

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Table C2

Geographical Designator A1 A2

For bulletins containing ship weather reports and oceanographic data
including reports from automatic marine stations

Instructions for the proper application of the data type designator

1. The first letter A1 will denote the nature of the ship or automatic marine station:

      For ocean weather stations:                         W
      For mobile ships and other marine stations:   V

2. The second letter A2 will denote the area from which the reports contained in the bulletin originate:

Designator Data Area
A Area between 30° N - 60° S, 035° W - 070° E
B Area between 90° N - 05° N, 070° E - 180° E
C Area between 05° N - 60° S, 120° W - 035° W
D Area between 90° N - 05° N, 180° W - 035° W
E Area between 05° N - 60° S, 070° E - 120° W
F Area between 90° N - 30° N, 035° W - 070° E
J Area between 60° S
X More than one area