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Insurance and finance/
Specialized fields/
Parametric insurance triggersPayouts triggered by measurements everyone trusts.
Parametric insurance pays when a measured index crosses a threshold: rainfall too low, wind too strong, a river too high. It pays fast only if every party trusts the measurement. Stations built to the WMO guide, signed at the source and audited, give insurers, reinsurers and policyholders the same number.
Plan a deploymentHow it worksStation Builder- Industry
- Insurance and finance
- Measurements
- 4
- Sources cited
- 5
Insurance and finance · Parametric insurance triggers
Money moves on a number
Parametric insurance pays when a measured index crosses a threshold, so it can pay in days rather than months. That works only if insurers, reinsurers and policyholders all trust the measurement. Supervisors look closely at basis risk, transparency and fair treatment.
What is measured
The index, measured
Reference rain gauges, anemometers and river gauges measure the quantities the policy pays on, sited to represent the insured area and calibrated to traceable references. Tamper sensors in each enclosure record any opening. Every instrument keeps its calibration and position with the site record.
- Instruments
- Reference rain gauges · Anemometers · River gauges · Tamper sensors
The base node
Signed at the source
The node signs every reading at the source, computes the index exactly as the policy defines it, detects tampering from enclosure sensors and data patterns, and keeps a full archive so any payout can be reproduced by any party. Every value is signed at the node before it leaves.
Radio and links
Reporting through the event
Stations report over cellular where coverage exists, with a satellite path that keeps data flowing through the storms and floods the policy covers. All parties read the same signed index through the same interface. When one path fails, the other carries the data.
- Links
- Public cellular · Satellite
How it works
From a failed season to a payout
The rainy season fails across an insured district. The rainfall index accumulates below the trigger by the policy’s end date; the signed calculation is released to insurer, reinsurer and farmer groups, and payouts reach farmers within days, before they must sell assets.
From order to operation · Order
Scope the index with the insurer
The scope reads the policy design, insured areas, the index definition and the basis risk analysis. Nexus Observatory Inc. returns the station plan, index calculation, audit design and a price per station and per year. The scope is agreed before any site work begins.
Plan a deploymentFrom order to operation · Survey
Survey for representativeness
Crews survey candidate sites for how well they represent the insured area, exposure to the WMO siting classes, security, power and backhaul. Findings feed the basis risk analysis. Findings shape the kit for each site before anything is built. Every finding is kept with the site record for the crews who follow.
From order to operation · Permits
Land and agreements
Land agreements protect each site, and the insurer, reinsurer and policyholder representatives agree the data rules and dispute process. Every agreement is kept with the programme record. No crew goes to site before its approvals are in place. Approvals are tracked site by site, so nothing waits unseen.
From order to operation · Build
Build and calibrate
Sensors are calibrated against traceable references, enclosures fitted with tamper sensors, nodes enrolled with their identities and signing keys, and stations run together before shipping. Nothing ships until the whole kit has passed its tests together. Test results travel with the kit to the site.
Open the Station BuilderFrom order to operation · Install
Install and secure
Crews install stations to the siting classes, secure enclosures and fences, connect power and both backhaul paths, and record every part with photographs witnessed by the parties where required. Crews follow the site safety plan throughout the work. The site record is updated before the crew leaves.
From order to operation · Commission
Commission and witness
Each node proves its identity. Readings are compared with a travelling reference and nearby official stations, the index calculation is tested against history, and parties witness the results. Acceptance is recorded with the owner before handover. Results are signed and kept with the site record.
From order to operation · Operate
Pay on the index
All parties see the index as it accumulates. When it crosses the trigger, the calculation and signed readings are released together, and payouts move in days, not months. Every alert and action is kept on the record. Reports for owners and funders come from the same record.
From order to operation · Maintain
Audit and recalibrate
Stations are recalibrated on the agreed plan, audits check data integrity and availability, software is updated in rings, and every change is recorded so any past index can be reproduced. Maintenance history stays with each site for its whole life.
Book field servicesData products
For insurers, policyholders and supervisors
Insurers, reinsurers and policyholders receive signed index values; claims and finance teams receive trigger notifications; supervisors and auditors receive audit trails; product designers receive basis risk reviews, each tied to station and period. Every product can be traced back to its readings.
See the data productsEvidence
Trusted by every party
Measurements follow the WMO instrument and hydrological guides, data integrity follows the information security standard, and the programme answers supervisors’ concerns on index-based insurance and fair claims handling. Every reading is signed and archived. The record is kept for as long as the duty lasts.
- Drawn against
- Issues Paper on Index-based Insurances · Insurance Core Principles · WMO-No. 8 · WMO-No. 168 · ISO/IEC 27001
What you get
Independent measurement feeds for parametric triggers
Calibrated, tamper-evident measurement feeds that a risk carrier may name as the index source. The group writes no insurance and makes no payout decision. Delivered as data licence, for insurers, reinsurers, brokers, risk pools. Scale: Portfolio scale. Service levels are written as numbers you can measure on your own dashboard.
Talk to salesNext step
Plan parametric insurance triggers with us
Tell us the site, the measurements and the rules it answers to. We reply with a survey proposal, a design and a scope for parametric insurance triggers. An engineer replies with a survey proposal and a scope, and the plan grows from one site to the network you need, at your pace.
Plan a deploymentOpen the Station BuilderOpen the Studio
01The place and its hazards
Where it runs, and what can go wrong.
Operating contextIndex-based insurance is reviewed by insurance supervisors for basis risk, transparency and consumer protection, and insurers must treat policyholders fairly and settle claims promptly under the core principles of supervision. Index measurements must be accurate, available and protected against tampering, because money moves on them.
Hazards
- Basis risk when the station is far from the loss
- Station gaps during the very event insured
- Tampering or disputes over readings
- Indices that cannot be reproduced afterwards
- Payouts delayed by manual data checks
02What must be measured
What, where, how often, and under which rules.
Each measurement names where it is taken, how often, and the public standard or regulation behind it. Numbers in the sources column open the cited source below.
| Measurement | Where | Cadence | Sources |
|---|---|---|---|
| Rainfall and drought indices | Gauges sited for each insured area | Every few minutes, daily totals | 12 |
| Wind speed and gusts | Anemometers at standard height | Every few seconds, peak gusts | 1 |
| River level and flood duration | Gauges at rated sections | Every few minutes | 3 |
| Data integrity and availability | Every reading, signed and logged | Continuous | 45 |
03The observation stack
From one base unit to a network.
The same blocks at every scale: instruments and a base node, a site with its radio, a fleet run as one, and a network federated on the open protocol.
- 01
Base unit
A station: reference weather or river sensors on a sensor hub with a node that signs every reading.
Build a station → - 02
Site
A site: the station in a secured enclosure with solar power and two backhaul paths.
Plan a site → - 03
Fleet
Every station of a programme, with one index calculation and audit trail.
Managed offers → - 04
Network
Insurers, reinsurers, policyholders and supervisors read the same signed index through open standards.
The open protocol →
- 01Automatic weather station (WMO class)
- 02Compact weather station
- 03Water level gauge
- 04Sensor and instrument gateway
- 05Micro node (Nano)
- 06Cellular modem/router
- 07LEO flat-panel terminal
- 08Solar array
- 09Pole
Radio and links
Public cellular
Stations report over cellular where coverage exists.
Radio and links
Satellite
A satellite path keeps data flowing through the storms and floods the policy covers.
Edge computeThe node signs every reading at the source, computes the index as the policy defines it, detects tampering from enclosure sensors and data patterns, and keeps a full archive so any payout can be reproduced.
PowerSolar with batteries sized for the worst season, so the station reports through the event it insures.
04How it works
From the instrument to the product.
One observation’s path, tier by tier, with the interface on every link and a bill of materials below; then how the one node grows to a site, a fleet and federated networks.
Parametric insurance triggers: data path
– of 07
01 Instruments Measurement with sensor identity andcalibration 02 Gateway 03 Node – Wrap in an observation envelope with timequality– Measure quality and uncertainty, attachquality flags– Buffer locally (store-and-forward when thelink drops) 04 Backhaul Commit with transactional outbox andpublish, delivered at least once 05 Site Consumer inbox deduplicates and applieseach record once into governed data 06 Data store Governed product through API, map orexport, correction-aware 07 Products OGC SensorThings APIJSON Web SignatureWMO WIS 2.0 08 Power and structure Supplies 12 V DC, 48 V DC to the fieldequipment 01 Automatic weather station (WMOclass) SDI-12 · RS-485 · Ethernet 02 Compact weather station SDI-12 · RS-485 · Ethernet 03 Water level gauge SDI-12 · RS-485 · Ethernet 04 Sensor and instrument gateway SDI-12 · RS-485 · Analogue I/O ·Ethernet · USB 05 Micro node (Nano) Ethernet · USB · Analogue I/O ·RS-485 · CAN 06 Cellular modem/router Ethernet · USB · RS-232 07 LEO flat-panel terminal Ethernet Site MQTT 5 with Sparkplug B Governed data store Versioned, correction-aware Signed index values Trigger notifications Audit trails Basis risk reviews 08 Solar array RS-485 09 Pole SDI-12 · SDI-12 SDI-12 · SDI-12 SDI-12 · SDI-12 Ethernet · MQTT 5 Ethernet Ethernet LTE/NR Satellite IP| Item | Equipment | Data ports | Protocols | Power in |
|---|---|---|---|---|
| 01 | Automatic weather station (WMO class)Automatic weather station built and sited to WMO-No. 8 instrument and siting classes, reporting WIGOS metadata. | SDI-12RS-485Ethernet | SDI-12, Modbus, MQTT 5, OGC SensorThings API | 12 V DC |
| 02 | Compact weather stationAll-in-one or compact station for temperature, humidity, pressure, wind and rain at a site. | SDI-12RS-485Ethernet | SDI-12, Modbus, MQTT 5, OGC SensorThings API | 12 V DC |
| 03 | Water level gaugeRadar, pressure or float gauge for river, lake, reservoir or tide level. | SDI-12RS-485Ethernet | SDI-12, Modbus, MQTT 5, OGC SensorThings API | 12 V DC |
| 04 | Sensor and instrument gatewayData logger and gateway that reads instruments on SDI-12, RS-485, analogue and Ethernet ports and publishes observations with calibration and time. | SDI-12RS-485Analogue I/OEthernetUSB | SDI-12, Modbus, MQTT 5, OGC SensorThings API, OGC API Connected Systems, OMA LwM2M | 12 V DC, PoE |
| 05 | Micro node (Nano)Single-board or module-class node for sensor sites, gateways and low-power deployments. | EthernetUSBAnalogue I/ORS-485CAN | MQTT 5, OMA LwM2M, CoAP | PoE, 12 V DC, USB PD |
| 06 | Cellular modem/routerLTE or NR modem or router that uses a public carrier or private network as backhaul. | EthernetUSBRS-232 | 3GPP E-UTRA air interface, 3GPP NR air interface, OMA LwM2M | 12 V DC, PoE |
| 07 | LEO flat-panel terminalElectronically steered flat-panel user terminal for low-Earth-orbit broadband constellations. | Ethernet | — | PoE, 48 V DC, AC mains |
| 08 | Solar arrayPV modules with charge controller sized to the site’s load and climate. | RS-485 | Modbus | — |
| 09 | PoleUtility, street or dedicated pole with clamp positions. | — | — | — |
How it scales
01 Instruments Arbitrary qualified sensors and instruments whosemeasurements are ingested with calibration, units,geometry, time, custody and uncertainty. ×n 02 Node The minimum useful deployable unit: server, ruggedappliance, radio node, sensor gateway, satelliteterminal, AI, scientific, vehicle or virtual node. Node Node agent 03 Site The minimum independently operable localgovernance and failure domain: one or more nodesplus local network, identity, policy, evidence,storage, products and operator surfaces.SITE
Node Node Node ×n 04 Cluster An optional scale or specialisation domain forscheduling, shared storage, accelerators or datalocality.CLUSTER
×n 05 Fleet Coordinates plans, acknowledgements,convergence evidence, update campaigns andcorrection propagation across nodes and sites.FLEET
Fleet controller ×n 06 Federation An exchange of products, capabilities, events orwork across approved, independently administeredtrust domains, using explicit trust, policy,data-locality, version and correction contracts.TRUST DOMAIN
TRUST DOMAIN
TRUST DOMAIN
×n Verifier Applications Data in the field Telemetry Control Data upstream Control Data upstream Control Exchange Evidence Events Exchange- Data in the field
- MQTT 5 with Sparkplug B; connectors for LoRaWAN, OPC UA and instrument buses.
- Telemetry
- OpenTelemetry OTLP.
- Control
- TLS 1.3 with mutual authentication; protobuf messages over gRPC or HTTP/2.
- Data upstream
- At-least-once publication with repeat-safe keys over the control channel or NATS JetStream; QUIC MAY be used on lossy links.
- Evidence
- DSSE-signed in-toto statements; SLSA provenance; SCITT transparency receipts.
- Events
- Event envelopes mapped to CloudEvents 1.0; channels described in AsyncAPI 3.
- Exchange
- OpenAPI 3.1; the OGC API family; SensorThings; STAC; WIS 2.0.
05From order to operation
Every step, from the first call to a running site.
The same crew and the same record carry the work from scope to maintenance.
- 01 Order
Scope the index with the insurer
The scope reads the policy design, insured areas, the index definition and the basis risk analysis. Nexus Observatory Inc. returns the station plan, index calculation, audit design and a price per station and per year. The scope is agreed before any site work begins. 2
- 02 Survey
Survey for representativeness
Crews survey candidate sites for how well they represent the insured area, exposure to the WMO siting classes, security, power and backhaul. Findings feed the basis risk analysis. Findings shape the kit for each site before anything is built. Every finding is kept with the site record for the crews who follow. 1
- 03 Permits
Land and agreements
Land agreements protect each site, and the insurer, reinsurer and policyholder representatives agree the data rules and dispute process. Every agreement is kept with the programme record. No crew goes to site before its approvals are in place. Approvals are tracked site by site, so nothing waits unseen.
- 04 Build
Build and calibrate
Sensors are calibrated against traceable references, enclosures fitted with tamper sensors, nodes enrolled with their identities and signing keys, and stations run together before shipping. Nothing ships until the whole kit has passed its tests together. Test results travel with the kit to the site. 4
- 05 Install
Install and secure
Crews install stations to the siting classes, secure enclosures and fences, connect power and both backhaul paths, and record every part with photographs witnessed by the parties where required. Crews follow the site safety plan throughout the work. The site record is updated before the crew leaves.
- 06 Commission
Commission and witness
Each node proves its identity. Readings are compared with a travelling reference and nearby official stations, the index calculation is tested against history, and parties witness the results. Acceptance is recorded with the owner before handover. Results are signed and kept with the site record. 5
- 07 Operate
Pay on the index
All parties see the index as it accumulates. When it crosses the trigger, the calculation and signed readings are released together, and payouts move in days, not months. Every alert and action is kept on the record. Reports for owners and funders come from the same record. 52
- 08 Maintain
Audit and recalibrate
Stations are recalibrated on the agreed plan, audits check data integrity and availability, software is updated in rings, and every change is recorded so any past index can be reproduced. Maintenance history stays with each site for its whole life. 4
06Data products and integration
What it delivers, to whom, and into which systems.
Data products
- Signed index valuesInsurers, reinsurers and policyholders
- Trigger notificationsClaims and finance teams
- Audit trailsSupervisors and auditors
- Basis risk reviewsProduct designers
Integration
- Policy administrationTriggers reach claims systems with the signed calculation.
- ReinsurersIndex data are shared under the treaty.
- SupervisorsAudit trails are available on request.
Exchanged through OGC SensorThings API, JSON Web Signature, WMO WIS 2.0.
07Questions buyers ask
Before you scope it.
Can readings be disputed?
Signed readings and archives let any party reproduce the index.
What if the station fails in the storm?
Solar, batteries and satellite carry it through.
How is basis risk reduced?
By siting stations to represent the insured area.
How fast is payout?
As fast as the policy allows once the trigger is reached.
08Resources
The sources behind this page.
Public standards, regulations and guidance, cited where they apply. Each applies only where its jurisdiction or scope does.
- 1WMO-No. 8: Guide to Instruments and Methods of ObservationWorld Meteorological Organization
- 2Issues Paper on Index-based Insurances, particularly in Inclusive Insurance MarketsInternational Association of Insurance Supervisors · 2018
- 3WMO-No. 168: Guide to Hydrological PracticesWorld Meteorological Organization
- 4ISO/IEC 27001: Information security management systemsInternational Organization for Standardization
- 5Insurance Core PrinciplesInternational Association of Insurance Supervisors
09Related
Use cases and solutions.
Use caseAgromet cooperative network
Compact weather stations and soil probes on farms, feeding irrigation, frost and disease models for a cooperative or an insurer.The full use case →SolutionIndependent measurement feeds for parametric triggers
Calibrated, tamper-evident measurement feeds that a risk carrier may name as the index source.Solutions for insurance and finance →SolutionObservation data products and evidence bundles
Licensed feeds and archives with metadata, quality flags and provenance on every value; evidence bundles for audits and claims processes.Solutions for insurance and finance →SolutionHydrometeorological and flood observing networks
Stream gauges, rain gauges, weather radar and automatic weather stations built to WMO practice, reporting through WIS 2.0 where the agency requires it.Solutions for insurance and finance →10Insurance and finance: specialized fields
Other fields of this industry.
Specialized fieldPhysical climate risk for portfolios
Measured hazards at the sites of a portfolio, from flood and heat to subsidence, so lenders, investors and insurers assess and disclose physical climate risk with evidence.The full field →Specialized fieldBankable wind and solar resource
Met masts, lidars and irradiance stations that measure wind and solar resources to the standards lenders require, so renewable projects reach financial close on evidence.The full field →Specialized fieldEvent and claims verification
Flood depth sensors, drone surveys and site weather that verify what happened at insured properties after an event, so claims are settled faster and fairly.The full field →Bring us the site.
Plan a deployment, configure a station, model it in the Studio or talk to sales. The form names who receives your details.
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