Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

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