First Alert
Weather Warning Systems
Sat, Nov 1, 2025 - 8:33 CDT
(251101T1333Z)
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First Alert
|
Sat, Nov 1, 2025 - 8:33 CDT (251101T1333Z) |
| Products | Directive | Title |
| (all) | NWSI 10-1701 | Text Product Formats and Codes |
| (all) | NWSI 10-1702 | Universal Geographic Code (UGC) |
| (all) | NWSI 10-1703 | Valid Time Event Code (VTEC) |
| SVR SVS TOR WCN |
NWSI 10-511 | WFO Severe Weather Products Specification |
| WOU | NWSI 10-512 | National Severe Weather Products Specification |
| WSW | NWSI 10-513 | WFO Winter Weather Products Specification |
| NPW | NWSI 10-515 | WFO Non-Precipitation Weather Products Specification |
| FFA FFS FFW FLS FLW |
NWSI 10-922 | Weather Forecast Office Hydrologic Products Specification |
| FFA FFS FFW FLS FLW |
NWSI 10-923 | Weather Forecast Office Hydrologic Product Examples |
| For more information, see the NWS Directives System web site. | ||
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