| 0 | Aviation Weather Warning |
| 1 | Civil Emergency Message [1] |
| 2 | Coastal Flood Warning, Watch, or Statement |
| 3 | Flash Flood Watch |
| 4 | Flash Flood Statement |
| 5 | Flash Flood Warning [1] |
| 6 | Flood Statement |
| 7 | Flood Warning [1] |
| 8 | Urban and Small Stream Flood Advisory [1] |
| 9 | Hurricane Local Statement [1] |
| 10 | Lakeshore Warning or Statement [1] |
| 11 | Marine Weather Statement |
| 12 | Non Precipitation Warning, Watch, or Statement |
| 13 | Public Severe Weather Alert [1] |
| 14 | Red Flag Warning |
| 15 | River Ice Statement |
| 16 | River Recreation Statement |
| 17 | River Statement |
| 18 | Snow Avalanche Bulletin |
| 19 | Preliminary Notice of Watch Cancellation - Aviation Message |
| 20 | Special Dispersion Statement |
| 21 | Severe Local Storm Watch or Watch Cancellation |
| 22 | SPC Watch Point Information Message |
| 23 | Severe Local Storm Watch and Areal Outline |
| 24 | Marine Subtropical Storm Advisory |
| 25 | Special Marine Warning [1] |
| 26 | Storm Strike Probability Bulletin from the TPC |
| 27 | Special Weather Statement [2] |
| 28 | Severe Thunderstorm Warning [1] |
| 29 | Severe Weather Statement |
| 30 | Tropical Cyclone Advisory |
| 31 | Tropical Cyclone Advisory for Marine and Aviation Interests |
| 32 | Public Tropical Cyclone Advisory |
| 33 | Tropical Cyclone Update |
| 34 | Tornado Warning [1] |
| 35 | Tsunami Watch or Warning [1] |
| 36 | Volcanic Activity Advisory |
| 37 | Winter Weather Warning, Watch, or Advisory [1] |
| 38 | Air Stagnation Advisory |
