Severe thunderstorms capable of producing damaging wind gusts, large hail, and a few tornadoes, are likely to develop this afternoon from parts of the lower Ohio Valley into the southern Plains. An Enhanced Risk (Level 3 of 5) outlook has been issued. Further north, widespread rain showers are expected across portions of the Great Lakes and Northeast U.S. Read More >
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 body of the GRIB bulletin for satellite products.
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.
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Data Type |
| C | Cloud top temperature |
| F | Fog |
| I | Infrared range |
| S | Surface temperature |
| V | Visible range |
| W | Water vapor |
| Y | User specified |
| Z | Unspecified |
