A few strong to marginally severe thunderstorms are possible across the Southeast U.S. Friday. A Marginal Risk (Level 1 of 5) outlook has been issued. Strong winds and hail will be the main threats. Elevated to locally critical fire weather conditions will persist across south-central Colorado today due to dry conditions and gusty winds. 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 oceanographic 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.
| Designator | Data Type |
| D | Depth |
| E | Ice concentration |
| F | Ice thickness |
| G | Ice drift |
| H | Ice growth |
| I | Ice convergence/divergence |
| Q | Temperature anomaly |
| R | Depth anomaly |
| S | Salinity |
| T | Temperature |
| U | Current component |
| V | Not assigned |
| W | Temperature warning |
| X | Mixed data values |
