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StormNet

Severe Weather Forecast, Radar
Cloudnine Weather, Inc. · Weather
View on App Store ↗
★ 4.90average rating
20ratings
—new ratings, last 7 days
—not in top charts now

Ratings breakdown

★★★★★
95%
★★★★
0%
★★★
5%
★★
0%
★
0%
🔒 Rating history4 days of daily rating and rating countGet Pro access

App info

Developer
Cloudnine Weather, Inc.
Category
Weather, Travel
Released
Mar 12, 2026
Version
1.1.0 (May 21, 2026)
Price
Free
Size
38.7 MB
Requires
iOS 15.1
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.
🔒 Chart rank history11 chart positions recorded, every 3 hoursGet Pro access

About StormNet

StormNet is optimized to provide the most accurate severe weather forecast with NEXRAD, Super-Res Radar. StormNet is completely free, with no ads. Trained on decades of severe weather events, StormNet analyzes high-resolution radar, satellites, ground-based sensors, and weather forecast models in real-time to find complex patterns that lead to severe weather. The model updates every 2 minutes to provide 14-day forecasts for lightning, hail, damaging thunderstorm winds, and tornadoes. Super-Res Radar is the highest-resolution NEXRAD radar data available from 159 stations across the continental United States. Each radar station updates every 3-4 minutes and measures the intensity of precipitation based on how much energy the radar signal receives back from objects in the atmosphere. Combined, StormNet + Super-Res Radar provides a first-of-its-kind, multiple-component severe weather…
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