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Documentation for /json/outlook_and_vtec.py
This service emits the combination of SPC/WPC Outlooks and coincident VTEC events. This service is exploratory at the moment and may change as feedback is received. The spatial join is done against the storm based warning polygon.
Changelog
- 2026-06-03: Initial release.
Example Usage
Provide the combination of Day 1 (8 UTC issuance) Excessive Rainfall Outlook slight risks and Flash Flood Warnings for NWS Des Moines. Require that 5% of the Des Moines CWA be covered by the given outlook to be considered. Only include events during 2024.
CGI Arguments
The following table lists the CGI arguments that are accepted by this service. A HTTP GET request is required. Fields of type Multi-Params or CSV value can accept either a comma separated list or multiple parameter and value combinations. For example, ?foo=1&foo=2 is equivalent to ?foo=1,2.
| Field | Type | Description |
|---|---|---|
| wfo | string (required) | Three character WFO field. You may optionally specify this as a four character full identifier. |
| day | integer | The integer value for outlook day, between 1 and 8 |
| sdate | string (required) | Inclusive outlook start date. |
| edate | string (required) | Inclusive outlook end date. |
| overlap | number | Overlap minimum percentage for a WFO + ERO |
| threshold | string | Outlook threshold abbreviation |
| cycle | integer | Outlook issuance cycle |
| outlook_type | string | ('Outlook type. E for Excessive Rainfall, C for Convective, F for Fire Weather',) |
| phsig | Multi-Params or CSV value | List of phenomena.significance to consider for the VTEC events. For example, FF.W would be Flash Flood Warning. |