Cortexa research tool·earth climate·nws

NWS Get Active Alerts

Get active weather alerts from the National Weather Service. Can be filtered by US state/territory. Returns current severe weather warnings, watches, and advisories including tornado warnings, flood warnings, winter storm warnings, etc.

Livelast probed 2026-05-01 01:00Z· 627msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 627ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "area": {
      "description": "US state/territory abbreviation to filter by (e.g., 'CA', 'TX', 'NY'). If not provided, returns all active alerts.",
      "type": [
        "string",
        "null"
      ]
    },
    "limit": {
      "description": "Maximum number of alerts to return (default: 50)",
      "type": [
        "integer",
        "null"
      ]
    },
    "severity": {
      "description": "Filter by severity: Extreme, Severe, Moderate, Minor, Unknown",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "required": [],
  "type": "object"
}

Examples (1)

Default NWS Get Active Alerts call

public-safeinput

{}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_NWS_get_active_alerts
Tool name: NWS_get_active_alerts
Added: 2026-05-01 00:58Z
Tags: tooluniverse

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