National Weather Service United States Department of Commerce

Active Weather for the West, Warming in the East

The potential for heavy snow at higher elevations in the western U.S. will continue for many spots through the weekend. In the meantime, the eastern half of the continental U.S. will transition to above normal temperatures ahead of a pair of cold fronts next week that will bring readings back to closer to normal as we approach Thanksgiving Day. Read More >

Telecommunication Operations Center

National Program

Table B2

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Table B2

Data type designator T2

(when T1   =   D, G, H, X or Y)

Instructions for the proper application of the data type designator

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

2. Where more than one type is contained in the text, the designator for one of the data types should be used.

3. When the table does not contain a suitable designator for the data type, an alphabetic designator which is not assigned in the table should be introduced and the WMO secretariat notified.

Designator Data Type
A Radar data
B Cloud
C Vorticity
D Thickness (relative topography)
E Precipitation
F Unassigned
G Divergence
H Height
I Unassigned
J Wave height + combinations
K Swell height + combinations
L Unassigned
M For national use
N Radiation
O Vertical velocity
P Pressure
Q Web bulb potential temperature
R Relative humidity
S Unassigned
T Temperature
U Eastward wind component
V Northward wind component
W Wind
X Unassigned
Y Unassigned
Z Unassigned