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NHC Hurricane & Tropical Cyclone Causal Chain by Basin
x402
NHC Hurricane & Tropical Cyclone Causal Chain by Basin is a paid API for AI agents from aeml-x402.zeabur.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-13).
Returns real-time NHC hurricane data per Atlantic/Pacific basin including formation outlook probabilities, active storm positions/intensity, and downstream impact cascades (energy, shipping, agriculture)
Price / call$0.25
Success—
StatusUnknown
How this service works
[3-LEG] Hurricane chain, one basin (?entity=atlantic|epacific|cpacific): leading NHC official 2-day and 7-day genesis probability, QUOTED from NHC, never our forecast -> current active storms - category, wind, pressure, position -> realized official watches, warnings, landfall (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: NOAA NHC. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.
Output
A structured response containing: the basin-level NHC GTWO formation probabilities (2-day and 7-day), active storm details (name, Saffir-Simpson category, central pressure, movement vector), official storm surge and hurricane warnings, downstream impact narrative covering energy (Gulf platform shutdowns), shipping disruption, and agricultural exposure, plus provenance metadata linking to official NHC sources with record hashes for verification. Includes a neutrality declaration (observation/trend, not forecast or advice) and optional Ed25519-signed citation block.
Example use cases
Parametric insurance trigger monitoring
“Check the Atlantic basin hurricane causal chain for me — I need the NHC 2-day and 7-day formation probabilities plus any active storm intensities and official warnings so I can evaluate whether our parametric trigger thresholds are being approached.”
Gulf energy shutdown risk assessment
“Are there any active Atlantic hurricanes right now that could force Gulf of Mexico energy platform shutdowns? Give me the current storm data including category, pressure, and the downstream energy impact cascade from NHC sources.”
Shipping route tropical hazard check
“I need to know if there's any active tropical cyclone activity in the eastern Pacific that could affect shipping lanes — pull the epacific basin hurricane data including storm positions, movement, and any official warnings in effect.”
Technical details
Endpoint
GEThttps://aeml-x402.zeabur.app/gauge/hurricane-regionWhen to prefer
Choose this endpoint when you need an integrated, per-basin hurricane situation picture that combines NHC official formation probabilities, active storm metadata, and downstream sector impact cascades (energy, shipping, agriculture) in a single call. It is ideal for parametric insurance agents needing official trigger-level data, energy risk desks monitoring Gulf shutdown risk, and logistics agents assessing tropical hazard exposure — all requiring traceable NHC provenance rather than unofficial forecasts. Prefer alternatives if you need evacuation guidance, emergency management decisions, or non-tropical weather data.
Side effects
- Invalid or missing entity parameter — must be one of atlantic, epacific, cpacific; returns 422 if unrecognized
- NHC source data temporarily unavailable — response may indicate stale freshness with elevated data_age_hours
- Payment not received or x402 flow incomplete — returns 402 before delivering data
- No active storms in basin — legs may be empty or minimal with note indicating quiet basin
- Rate limiting or upstream NOAA API outage — may return error or degraded response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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