# x402-factory Severe Weather Alerts & Hazard Forecast

> x402-factory Severe Weather Alerts & Hazard Forecast is a paid API for AI agents from x402-factory.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns active NWS severe weather alerts for a lat/lon point or US state, combined with model-generated 48-hour forward hazard probabilities for extreme heat, heavy rain, and damaging wind

## Facts

- Endpoint: GET https://x402-factory.com/v1/alerts/severe
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-factory-severe-weather-alerts-hazard-forecast-81e54cbf
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PXvaS7baWcOExSMmnwp24

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-factory-severe-weather-alerts-hazard-forecast-81e54cbf
```

Example prompt: Pull up any active NWS severe weather alerts and the 48-hour hazard probabilities for extreme heat, heavy rain, and damaging wind near latitude 33.45, longitude -112.07 — that's Phoenix, Arizona.

## When to prefer this

Prefer this endpoint when you need both official NWS alert data AND forward-looking hazard probability forecasts in a single call, rather than raw NWS API access alone. Especially useful when you need a blended authoritative + model signal for risk assessment, safety automation, or alerting workflows. Use lat/lon for precise point queries or state code for statewide alert sweeps.

## Known failure modes

- Missing both lat/lon and state parameter — returns 400 bad request
- Invalid state code (e.g. more than 2 letters) — schema validation error
- Lat/lon out of range (-90 to 90, -180 to 180) — schema validation error
- No active NWS alerts for the region — returns empty alerts array with hazard probabilities still populated
- NWS upstream service unavailable — may return 503 or degraded response
- Payment not processed — returns 402 Payment Required

## How this service works

Active NWS alerts for a point or state, plus model-forward hazard risk — Official National Weather Service active alerts (public domain, attributed) for a lat/lon or two-letter state, combined with our model's forward 48h hazard probabilities (extreme heat, heavy rain, damaging wind). Pass lat+lon or state.

## Output

A combined response containing active NWS public-domain severe weather alerts (e.g. tornado warnings, flash flood watches) for the given lat/lon or state, plus the model's forward-looking 48-hour hazard probability scores for extreme heat, heavy rain, and damaging wind at that location.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "lat": {
       "type": "number",
       "maximum": 90,
       "minimum": -90
      },
      "lon": {
       "type": "number",
       "maximum": 180,
       "minimum": -180
      },
      "state": {
       "type": "string",
       "pattern": "^[A-Za-z]{2}$",
       "maxLength": 2,
       "minLength": 2
      },
      "hazard": {
       "enum": [
        "hurricane",
        "tornado",
        "heat",
        "flood",
        "winter",
        "fire-weather"
       ],
       "type": "string",
       "description": "Filter alerts and model risk to one hazard class"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-factory-severe-weather-alerts-hazard-forecast-81e54cbf/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-factory.com](https://www.zero.xyz/host/x402-factory.com/llms.txt)