NOAA Weather Data Scraper & Normalizer

Fetch, normalize, and enrich weather data from NOAA's National Weather Service API — completely free, no API key required.

What It Does

This actor pulls live weather alerts and detailed point forecasts from the NWS public API and transforms raw data into clean, enriched, and analysis-ready output.

Key Features

• Weather Alerts — Active watches, warnings, and advisories for any US state
• Point Forecasts — 7-day detailed forecasts for any lat/lon coordinates
• Smart Normalization — Maps 80+ raw NOAA event types into 18 standardized categories
• Risk Scoring — Composite severity × urgency × certainty score (1-64 scale) with CRITICAL/HIGH/MODERATE/LOW labels
• Unit Conversion — Fahrenheit→Celsius, mph→kph, mph→m/s built in
• Clean Output — Human-readable summary tables + structured JSON + machine-readable stats

Input Parameters

Parameter	Type	Required	Default	Description
searchType	select	✅	alerts	alerts, forecast, or alerts_and_forecast
stateCode	select	—	All states	Filter alerts by US state (e.g. CA, TX, FL)
latitude	string	forecast only	—	Latitude for point forecast (e.g. 40.7128)
longitude	string	forecast only	—	Longitude for point forecast (e.g. -74.006)
maxResults	integer	—	50	Maximum results (1–500)
severityFilter	select	—	All	Filter alerts by severity: Extreme, Severe, Moderate, Minor

Example Input

{
  "searchType": "alerts_and_forecast",
  "stateCode": "CA",
  "latitude": "37.7749",
  "longitude": "-122.4194",
  "maxResults": 25,
  "severityFilter": "Severe"
}

Example Output

Summary Table (KVS OUTPUT)

====================================================================================================
  NOAA WEATHER ALERTS — NORMALIZED SUMMARY
====================================================================================================
  Total alerts: 8
  Categories: Heat:3, Fire Weather:2, Flood:1, Wind:1, Marine:1
  Risk levels: HIGH:3, MODERATE:3, CRITICAL:2
                                                                                                    
  #  Event                          Cat            Sev        Urg         Risk Risk Label Area                      
───  ────────────────────────────── ────────────── ────────── ──────────  ──── ────────── ─────────────────────────
  0  Excessive Heat Warning         Heat           Severe     Expected     36 CRITICAL   San Francisco Bay Area    
  1  Heat Advisory                  Heat           Moderate   Expected     18 HIGH       Central California        
  2  Red Flag Warning               Fire Weather   Severe     Expected     36 CRITICAL   North Bay Mountains

Structured JSON (Dataset)

{
  "id": "urn:oid:2.49.0.1.840.0.abc123",
  "event": "Excessive Heat Warning",
  "eventCategory": "Heat",
  "headline": "Excessive Heat Warning issued for Bay Area",
  "severity": {"label": "Severe", "score": 3},
  "urgency": {"label": "Expected", "score": 3},
  "certainty": {"label": "Likely", "score": 3},
  "riskScore": 27,
  "riskLabel": "HIGH",
  "effective": "2026-07-15T12:00:00Z",
  "expires": "2026-07-18T00:00:00Z",
  "areaDescription": "San Francisco Bay Area"
}

Forecast (Dataset with unit conversions)

{
  "name": "Monday",
  "temperature": 92,
  "temperatureC": 33.3,
  "windSpeed": "10 to 15 mph",
  "windSpeedKph": 24.1,
  "windSpeedMs": 6.7,
  "shortForecast": "Sunny and hot"
}

Use Cases

• Insurance & Risk — Monitor severe weather events for claims forecasting
• Agriculture — Track freeze/frost warnings and heat advisories for crop planning
• Logistics & Transportation — Route around weather hazards
• Emergency Management — Aggregate alerts by severity and risk score
• Weather Apps & Dashboards — Power consumer-facing weather products
• Research & Analysis — Historical weather pattern studies

Data Source

All data from the NOAA National Weather Service API — a free, public, no-key-required REST API. Data is updated in real-time.

Pricing

Pay per result — $2.00 per 1,000 results. Each weather alert or forecast period counts as one result.

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Built by Chris The Dev • July 2026