# PROWL Severe Weather Alerts US

> PROWL Severe Weather Alerts US is a paid API for AI agents from www.prowldata.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Returns active severe weather alerts across the US including hurricanes, tornadoes, heat waves, flooding, and winter storms with severity, affected area, timing, and impact assessment

## Facts

- Endpoint: POST https://www.prowldata.dev/api/v1/weather/alerts
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/www-prowldata-dev-77f2c004
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bR60g78GtKxyC7jioMR44

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 www-prowldata-dev-77f2c004 -d '<json body>'
```

Example prompt: Pull up all active severe weather alerts across the US right now — I want to see anything related to hurricanes, tornadoes, or flooding, with severity levels and the affected areas.

## When to prefer this

Use this endpoint when you need real-time, structured severe weather alerts across the US with impact assessments, especially for risk evaluation or prediction market analysis. Prefer over generic weather APIs when you need severity classifications, multiple alert types, and structured impact data rather than simple forecasts.

## Known failure modes

- No active alerts returns empty list
- Invalid filter parameters return 400 error
- Service unavailable during data source outage returns 503
- Payment failure (x402) blocks access if USDC balance insufficient

## How this service works

Active severe weather alerts across the US -hurricanes, tornadoes, heat waves, flooding, winter storms. Each alert includes severity, affected area, timing, and impact assessment. Structured for prediction market evaluation and risk assessment. Powered by PROWL. Use this to answer 'are there any weather alerts?' or 'severe weather warnings?'

## Output

A structured list of active severe weather alerts in the US, each including alert type (hurricane, tornado, heat wave, flood, winter storm), severity level, affected geographic area, timing/duration, and impact assessment — formatted for prediction market evaluation and risk analysis.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/www-prowldata-dev-77f2c004/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.prowldata.dev](https://www.zero.xyz/host/www.prowldata.dev/llms.txt)