National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

 

Table D1

Level designator ii

(when T1 = O)

Instructions for the proper application of level designator.

1. The designator specified in this table should be used to the greatest extent possible to indicate the levels below the ocean surface in the body of the GRIB bulletin for oceanographic products.

2. When the table does not contain a suitable designator for the level, a designator which is not assigned in the table should be used.

Designator
Depth (in meters)
98
Surface
96
2.5
94
5.0
92
7.5
90
12.5
88
17.5
86
25.0
84
32.5
82
40.0
80
50.0
78
62.5
76
75.0
74
100
72
125
70
150
68
200
66
300
64
400
62
500
60
600
58
700
56
800
54
900
52
1000
50
1100
48
1200
46
1300
44
1400
42
1500
40
1750
38
2000
36
2500
34
3000
32
4000
30
5000
01
Primary layer depth