Unique ID for this thunderstorm instance; use it to correlate updates.
eventId
string
Business-friendly identifier that aligns with the iklim.co event catalog.
registrationId
string
Subscription/registration that subscribed to the thunderstorm product.
recipientId
string
Caller-defined identifier that maps the notification back to your customer/asset record (feel free to use hashed/anonymized unique IDs instead of human labels for GDPR compliance); keep it unique per geometry because only one registration is allowed for the same area per recipientId, and use it when you prefer to locate your target without storing our registrationId.
eventStartUtc
number
UTC epoch seconds for when the storm will enter the protected area.
eventEndUtc
number
UTC epoch seconds for when the storm is expected to leave the area.
severity
enum
Discrete bucket such as LOW, MEDIUM, or HIGH based on flash density and speed.
threshold
number
Minimum lightning flash count per minute that qualifies the cluster as a thunderstorm.
speedKmh
number
Forecasted forward speed of the whole thunderstorm envelope in km/h—pair it with direction to project the track.
direction
number
Bearing in degrees (0° = North, clockwise) that shows where the envelope described by speedKmh is heading.
distance
number
Meters between the storm edge and your registration centroid (0 when currently overhead).