Perils reference

The full peril catalogue: API names, units, threshold conventions and coverage. Your key may be licensed for a subset; check with GET /v2/perils.

In-depth perils: /v2/in-depth

Peril	API name	Unit	Thresholds & notes
Rain	Rain	mm	Daily accumulation over selected hours. 1 mm increments (0–10 mm), then 5 mm increments.
Snowfall	Snowfall	mm	Daily accumulation over selected hours. Same increment pattern as rain.
Max wind gust	MaxWindGust	mph	Maximum daily gust. 5 mph increments.
Max wind speed	MaxWindSpeed	mph	Maximum daily sustained speed. 5 mph increments.
Max temperature	MaxTemperature	°C	Percentile-based thresholds for maximum daily temperature.
Lightning	Lightning	Severity	Strike-count density. Thresholds: Low, Moderate, Severe, Extreme.
Earthquake	Earthquake	MMI or PGA	Query by Modified Mercalli Intensity (thresholds MMI3–MMI9) or by peak ground acceleration (PGA).
US tornado	USTornado	EF scale	Thresholds EF0–EF4. US coverage.
Tropical cyclone	TropicalCyclone	Saffir-Simpson	Thresholds CAT0–CAT5.
Wildfire	Wildfire	Severity	Threshold “Severe”: any event > 5 ha in North America or Australia; elsewhere FWI > 24.
Flood+ (FATHOM)	FloodLivePlus	m	Pluvial, fluvial and storm surge flood in a single call, provided by FATHOM.
US Hail	Hail	inch	Probability of a hail event with stones > 1 inch. Currently being updated.

Lite perils: /v1/lite

Lite runs every cat peril on your key automatically and scores each as a return period in years against the fixed severities listed under the lite endpoint, with a risk descriptor band per peril.