A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >
( when T1 = Z and the CCCC = KWBZ)
( A DRAFT U.S. National Practice Table )
Instructions for the proper application of the Geographical "TILE" number designator - A two character field of the heading.
1. The designator specified in this table should be used to the greatest extent possible to indicate the geographical high resolution grid tile number of the data contained within the geographical area as specified by the grid squares defined by the producing center of the GRIB bulletin.
2. Where the geographical tile number for the area of the data does not correspond exactly with the designator, the number designator for the area most approximating that area of the data may be used. The exact area of coverage will be available within the GRIB Product Definition Section (PDS) of the bulletin.
| Designator | Geographical Area Tile Number | NCEP Model |
| AA - AW | 01 - 24 CONUS 20 km tiles | meso-Eta |
| AY - AZ | unassigned | |
| BA - BW | 01 - 24 CONUS 20 km tiles | RUC |
| BY - BZ | unassigned | |
| CA - CW | unassigned | |
| CY - CZ | unassigned | |
| DA - DZ | unassigned | |
| EA - EZ | unassigned | |
| FA - FZ | unassigned | |
| GA - GZ | unassigned | |
| HA - KR | 01 - 96 CONUS 10 km tiles | meso-Eta |
| KS - KZ | 01 - 08 Alaska 20 km tiles | RUC |
| LA - OR | 01 - 96 CONUS 10 km tiles | RUC |
| OS - OZ | 01 - 08 Hawaii 20 km tiles | RUC |
| PA - QZ | unassigned | |
| RA - RF | 01 - 06 CONUS 40 km tiles | meso-Eta |
| RG - RL | 01 - 06 CONUS 40 km tiles | RUC |
| RM - RR | 01 - 06 Alaska 40 km tiles | meso-Eta |
| RS - RX | 01 - 06 Alaska 40 km tiles | RUC |
| RY - RZ | unassigned | |
| SA - SF | 01 - 06 Hawaii 40 km tiles | meso-Eta |
| SG - SL | 01 - 06 Hawaii 40 km tiles | RUC |
| SM - ZZ | unassigned |
