Aerosol-generating, hygroscopic flare for warm cloud seeding


Pneumatic flare

  • Aerosol-generating, hygroscopic flare for warm cloud seeding
  • Powder-based pneumatic operation
  • Features our unique and highly effective cloud seeding reagent
  • Safe, non-combustible materials

Use Cases

  • Rain enhancement
  • Fog and smog dispersal


Flare Calibre 63.5 mm
Hygroscopic reagent weight 400 g 1000 g
Active time period 1 second (short pulse)
Active particle yield per gram 5 x 10 9
Total yield per flare 2 x 10 12 5 x 10 12

Custom flares are available on request.

Performance Benefits

Laboratory tests of Cloud Seeding Technologies‘ flares demonstrate better droplet formation than other products due to focused limitation of particle size around a specific diameter, as summarised in the following graph.

Active Particles generated at 80 m/s wind speed

CST‘s new burn-in-place flares use fully combustible tubes, minimising active material loss through precipitation on the flare wall, and maximising overall effectiveness.

Additional Benefits

  • Increased Reliability – The fundamentally new design of CST flares gives very reliable burning intensity and flexible burning time selection.
  • Unlimited Operating Altitude –There are no altitude limitations to the operation of CST pneumatic hygroscopic flares
  • More Flexibility – CST flares can be configured more flexibly than competing products, giving higher efficiency throughout the entire burning time.
Cloud Temp.
Icon for Warm Clouds
Icon for Top-Seeding by Aircraft
Icon for Below-cloud Seeding by Aircraft
Use Cases
Icon for Rain Enhancement / Reduction
Icon for Fog Dispersal

Request Test-Report & Datasheet

We are happy to send you our fully detailed test-reports and further information upon request. Please fill in the form or contact us by phone.