Dataset · nws-active-alerts

NWS active weather alerts for AI agents

Active US National Weather Service warnings, watches, and advisories (GeoJSON), synced on a 15-minute cadence.

What it is

NWS weather alerts records synced from National Weather Service into the Open District event store for MCP and read-only SQL.

Freshness

Source	Health	Last sync (UTC)	Cadence	Lag
`nws-active-alerts`	healthy	2026-10-17 06:00:14+00:00	/15 * * *	314s

Live status: GET /sources/health

License and attribution

US federal public domain (NWS); send a descriptive User-Agent per api.weather.gov guidance. License reference

Connect

Canonical MCP endpoint https://api.opendistrict.org/mcp (legacy https://mcp.opendistrict.org/mcp). A free API key is required — Authorization: Bearer $OD_API_KEY. Mint a key after signup. See MCP quickstart, pricing, and openapi.yaml.

{
  "mcpServers": {
    "opendistrict": {
      "url": "https://api.opendistrict.org/mcp",
      "headers": {
        "Authorization": "Bearer $OD_API_KEY"
      }
    }
  }
}

Sample requests

MCP `tools/call` (run_sql)

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "run_sql",
    "arguments": {
      "sql": "SELECT event_type, created_at, source_id FROM events WHERE event_type = 'weather.alert' LIMIT 20"
    }
  }
}

SQL

SELECT event_type, created_at, source_id FROM events WHERE event_type = 'weather.alert' LIMIT 20

Example agent prompts

Show active tornado warnings in the central US right now.
Summarize flood advisories issued in the last 6 hours.

Related joins

/joins/nws-alerts-sites

FAQ

Can I filter alerts to my own sites?

Upload locations to your tenant and use the NWS alerts × sites join recipe.