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Flash Flooding Risk Continues in Texas; Wildfire Smoke Impacts in the East

Widespread, life-threatening considerable flash flooding is expected in south-central Texas through at least Friday. Catastrophic river flooding and rapid rises on small streams, arroyos, and typically dry washes are expected in the Texas Hill Country. Wildfire smoke is impacting air quality across much of the Great Lakes region into the Northeast U.S. with Air Quality Alerts in effect. Read More >

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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