Pricing

Pay per usage

NWS Weather Alerts Fetcher

Fetches active weather alerts (watches, warnings, advisories) from the official U.S. National Weather Service (NOAA) for a geographic zone, county AREA, or lat/lon coordinates — no API key required.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

Bruno Finger

Actor stats

Bookmarked

Total users

Monthly active users

3 days ago

Last modified

Input

Field	Type	Required	Default	Description
`locations`	array[string]	yes	—	List of NWS forecast-zone codes (e.g. `"NCZ051"`), AREA/county codes (e.g. `"NCC183"`), or lat/lon pairs (e.g. `"35.779,-78.638"`). For coordinates, the forecast zone is resolved automatically via the NWS `/points` endpoint. Maximum 100.
`includeSummary`	boolean	no	`true`	If true, also emit one summary record per location listing all alerts found.
`timeoutSeconds`	integer	no	`30`	HTTP timeout per NWS API request (1–120).

Input examples

Zone code:

{
  "locations": ["NCZ051"],
  "includeSummary": true
}

Lat/lon coordinates (auto-resolves zone):

{
  "locations": ["35.779,-78.638"],
  "includeSummary": true
}

AREA / county code:

{
  "locations": ["NCC183", "NCZ051"],
  "timeoutSeconds": 45
}

Output

One dataset item per alert (fields: type, severity, urgency, certainty, areas, description, instruction, onset, expires, sent, status, headline, link) plus a summary item per location (queryType, queryValue, zone, title, updated, alertCount, alerts, resolvedLocation). Failed lookups emit an item with an error field.

The overview dataset view shows queryType, queryValue, zone, title, updated, alertCount, and error.

Usage

cd nws-weather-alerts-fetcher
python3 -m venv .venv
.venv/bin/pip install -r requirements.txt
echo '{"locations": ["NCZ051"], "includeSummary": true}' > INPUT.json
.venv/bin/python src/main.py

Or with the Apify CLI:

$apify run --input-file INPUT.json

Pricing

PAY_PER_EVENT — $0.001 per alerts-fetched event (one zone/query).

Notes

The NWS API is keyless (no registration needed for the alerts endpoint).
Zone codes: forecast zones look like NCZ041, TXC491, MAC025. AREA (county) codes look like NCC183.
Lat/lon coordinates are automatically resolved to a forecast zone via the /points endpoint.
An empty features array means no active alerts (a valid result — not an error).
Rate limits: NWS requests a User-Agent with contact info and recommends no more than 1 requests/second.
The /points endpoint returns 404 for some international or off-shore coordinates; ensure coordinates are within the U.S.

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