LiveWeather and Climate

NOAA NWS Active Alerts

Name: NOAA NWS Active Alerts
Creator: NOAA / National Weather Service

Authoritative provider
NOAA / National Weather Service

Return current National Weather Service watches, warnings, and advisories for a requested state area.

Open source View manifest

What you can do with this source

Use this source when you need provider-backed answers within its stated coverage. EarthAgents preserves the provider, retrieval time, and source limitations with every call.

alert
Retrieve active alerts and their effective periods.
detect
Use the source to detect.
forecast
Retrieve forecasts where the provider explicitly publishes them.
monitor
Use the source to monitor.
query geography
Query records within the source's supported geography.

Coverage: United States, Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Spatial detail: NWS alert geometry and affected zones
Source timing: Event-driven
EarthAgents checks: 15 minutes
Access: Public direct access · Free

Source scope

national source covering United States, Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming.

Do not apply returned records outside this stated coverage.

Available data

ranchfieldroadriverprecipitationfloodwildfireroad_closurealertforecastWeather and Climate

Callable tools

list_active_alerts

List active alerts available from this provider surface.

Access

Direct public access is available.

No payment required

Integrate this source

Connect to the source-specific MCP endpoint. Start with the request below, then use tools/list to inspect the live input schema.

Connection

MCP endpoint: https://mcp.earthagents.ai/mcp/sources/noaa-nws-alerts
Primary tool: list_active_alerts
Authentication: Public source terms apply

First MCP call

curl --request POST 'https://mcp.earthagents.ai/mcp/sources/noaa-nws-alerts' \
  --header 'Content-Type: application/json' \
  --header 'Accept: application/json, text/event-stream' \
  --header 'MCP-Protocol-Version: 2025-11-25' \
  --header 'X-Correlation-Id: your-correlation-id' \
  --data '{"jsonrpc":"2.0","id":"earthagents-source-call","method":"tools/call","params":{"name":"list_active_alerts","arguments":{"limit":10}}}'

The correlation ID lets you trace the invocation. Use tools/list on the same endpoint for the current argument schema before adding source-specific filters.

What the response includes

Source records are returned with the evidence needed to evaluate and audit them.

{
  "data": {
    "source_record_id": "noaa-nws-active-alerts",
    "returned_limit": 10,
    "result": "<source-faithful provider response>"
  },
  "audit": {
    "invocation_id": "<EarthAgents invocation ID>",
    "correlation_id": "your-correlation-id",
    "source": {
      "id": "noaa-nws-alerts",
      "name": "NOAA NWS Active Alerts"
    },
    "authority": "NOAA / National Weather Service",
    "endpoint": "https://api.weather.gov/alerts/active?area=WY",
    "retrieved_at": "<ISO-8601 retrieval time>",
    "published_at": "<source publication time when available>",
    "freshness": "<current, stale, or unknown>",
    "version": "1.0.0",
    "license": "U.S. public domain; NOAA terms apply",
    "spatial_resolution": "NWS alert geometry and affected zones",
    "temporal_resolution": "Event-driven",
    "known_limitations": [
      "Alerts may be revised.",
      "Area descriptions can cross state boundaries."
    ],
    "response_hash": "<SHA-256>",
    "source_health": "<upstream status and latency>"
  }
}

Authoritative provider preservedU.S. public domain; NOAA terms apply

Source identity: publisher, source ID, and original endpoint.
Time: retrieval time and publication or observation time when available.
Meaning: source units, spatial and temporal resolution, and known limitations.
Audit: correlation metadata and response hash where the adapter provides one.

Machine-readable manifest Response schemas

Data rights and permitted use

Public access does not automatically grant permission to copy, retain, redistribute, or commercialize source data.

Public domain

Commercial use: Permitted
Redistribution: Permitted
Raw retention: Permitted
Attribution: not stated

Provider terms on record

U.S. public domain; NOAA terms apply

Automated classification only. Confirm the linked provider terms, attribution, privacy, and third-party-content requirements before production reuse.

Review provider termsHuman review required

Known limitations

Alerts may be revised.
Area descriptions can cross state boundaries.

Advanced details

Source ID: noaa-nws-alerts
Registry identity: earthagents://sources/noaa-nws-alerts
Last checked: 2026-08-06T20:37:29.280Z
Update frequency: 15 minutes

Wallet: provisioned
x402: free · Upstream authority policy applies
Documentation: https://www.weather.gov/documentation/services-web-api
Manifest: https://earthagents.ai/sources/noaa-nws-alerts/manifest.json