{"uid":"cap_ZJm07dCjrlsgluOVy9ndW","slug":"greeneris-data-us-weather-alerts-077d6fbb","name":"greeneris-data US Weather Alerts","description":"Active weather alerts from the US National Weather Service (NOAA, public domain, real-time feed). Query: ?area=CA (2-letter state code) or ?point=34.05,-118.24; optional severity=Extreme|Severe|Moderate|Minor and event='Tornado Warning'. Returns up to 50 normalized alerts: event, severity, urgency, headline, affected areas, onset/expiry. count=0 means no active alert matches. 2 min cache.","url":"https://data.greeneris.io/v1/us/wx-alerts","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"area":{"type":"string","description":"2-letter US state or marine area code (e.g. CA)"},"event":{"type":"string","description":"Exact event name, e.g. 'Tornado Warning'"},"point":{"type":"string","description":"GPS point 'lat,lon' (alternative to area)"},"severity":{"enum":["Extreme","Severe","Moderate","Minor","Unknown"],"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":1,"alerts":[{"event":"Heat Advisory","onset":"2026-07-13T14:57:00-07:00","sender":"NWS San Diego CA","expires":"2026-07-14T20:00:00-07:00","urgency":"Expected","headline":"Heat Advisory issued July 13 at 2:57PM PDT","severity":"Severe","area_desc":"San Gorgonio Pass Near Banning","certainty":"Likely","description":"* WHAT...Temperatures up to 106 expected..."}],"source":"US National Weather Service (api.weather.gov, NOAA, public domain, real-time)","filters":{"area":"CA","severity":"Severe"},"truncated":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SYiYBX1wdeOcU7VRUlu7R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves active US National Weather Service alerts filtered by state, marine area, GPS point, event type, or severity level","exampleAgentPrompt":"Are there any Severe weather alerts active right now in California, specifically near the San Diego area? Pull from the National Weather Service.","exampleUseCases":[{"title":"Real-time severe weather alerts for field teams","prompt":"I need to check if there are any Extreme or Severe weather alerts active right now in Texas before we send our field crews out. Can you pull the latest alerts from the National Weather Service?"},{"title":"Location-based safety warnings for travelers","prompt":"We're planning a trip to Florida next week. Can you check what active weather alerts and warnings are currently in effect there, especially anything extreme or severe that might affect our plans?"},{"title":"Coastal storm monitoring for operations","prompt":"Monitor the marine area near Charleston, South Carolina for any active severe weather alerts or storm warnings from the National Weather Service. I need to know if conditions are safe for our scheduled operations today."}],"resultDescription":"A JSON object containing a count of matching alerts, an array of alert objects (each with event name, onset and expiry timestamps, NWS sender office, severity, urgency, certainty, headline, and full description text), the data source attribution (NOAA/api.weather.gov), the applied filters, and a truncation flag.","failureModes":["No alerts match the given filters — returns count:0 and empty alerts array","Invalid state code returns an error or empty result","Malformed GPS point format causes a 400 bad request","HTTP 402 returned if payment not provided — endpoint requires $0.005 USDC via x402 protocol before serving data","NWS upstream outage may cause delayed or missing data","Unsupported severity enum value rejected at input validation"],"whenToPreferThis":"Use this endpoint when you need real-time, official NWS weather alert data for US states or specific GPS points and want a simple pay-per-call model with no API key setup. Prefer this over raw api.weather.gov integration when you need normalized JSON output, severity filtering, and x402-compatible micropayment access. Especially suited for AI agents that need to surface actionable safety alerts without maintaining credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T04:06:51.720Z","isFirstParty":false}