Growth Stage

Controlling the Cost of Weather

Controlling the Cost of Weather


Raised this Round: Raised: $1,645,762

Total Commitments ($USD)



Start Date


Close Date


Min. Goal
Max. Goal
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Security Type

Equity - Common



SEC Filing Type

RegCF    Open SEC Filing

Price Per Share


Pre-Money Valuation


Year Founded



Business Services, Software, & Applications

Tech Sector


Distribution Model




Capital Intensity



Scotts Valley, California

Business Type


WeatherFlow-Tempest, with a valuation of $41.1 million, is raising funds on StartEngine. The company uses an exclusive data and AI-driven model that helps in accurate weather prediction and controlling the impact of weather. The patented technology of WeatherFlow-Tempest, Nearcast Technology, provides customers with point-specific weather information when and where they need it. WeatherFlow-Tempest has over 60,000 paying customers and has generated $25 million in revenue since its launch. Buck Lyons and Phil Atkinson founded WeatherFlow-Tempest in December 2018. The current crowdfunding campaign has a minimum target of $9,999 and a maximum target of $2.5 million. The campaign proceeds will be used for marketing, company employment, and inventory.

Summary Profit and Loss Statement

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Summary Balance Sheet

FY 2021 FY 2020




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Financials as of: 01/04/2023
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Raise History

Offering Name Close Date Platform Valuation/Cap Total Raised Security Type Status Reg Type
WeatherFlow-Tempest 04/05/2023 StartEngine $41,122,890 $1,645,762 Equity - Common Funded RegCF
WeatherFlow-Tempest 04/28/2022 StartEngine $32,283,025 $2,498,285 Equity - Common Funded RegCF
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Revenue History

Note: Revenue data points reflect the latest of either the most recent fiscal year's financials, or updated revenues directly from the founder, at each raise's close date.

Valuation History

Price per Share History

Note: Share prices shown in earlier rounds may not be indicative of any stock splits.

Employee History

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WeatherFlow-Tempest on StartEngine 2023
Platform: StartEngine
Security Type: Equity - Common
Valuation: $41,122,890
Price per Share: $2.75

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