Data · dataset · 2026
The National Hail Research Experiment Report on the Alberta Hail Project
Listed in National Center for Atmospheric Research
The Alberta Hail Project conducts airborne silver iodide seeding to test hail suppression in an 1800 square mile target which experiences 55-65 hail days annually.
Description
Randomization by days occurs in the northern half of the target, with the exception of some south-moving storms. Full operational seeding is conducted in the southern half.
Seeding on top (at about -14C) with droppable flares and at cloud base with fusees is executed by a maximum of seven aircraft, one of which is instrumented for cloud physics. The seed criterion is an echo intensity of 35 dBZ in or approaching the target. Present findings suggest (from radar and photography) a gradual transition between multicell and supercell storms.
Read the rest (1 more)
Tracer results suggest on top seeding may be more effective in silver iodide distribution in the storm.
Links
Get the data
- Publisher page n2t.org/ark:/85065/d7k073p8 ↗
documentation · download · from data ucar edu
Where it is published
- data.ucar.edu /dataset/the-national-hail-research-experiment-report-on-the-al… ↗
National Center for Atmospheric Research dataset page
landing page · from data ucar edu
Catalogue records · 1
- CKAN API data.ucar.edu/api/3/action/package_show?id=6bc70bc8-841b-422c-8edc-908067e0e… ↗
metadata API · from data ucar edu
Topics
- From keywords
- Earth & Environmental Science · Ocean & Atmospheric Science
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| National Center for Atmospheric Research | 6bc70bc8-841b-422c-8edc-908067e0ee14 | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| created_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| description | source · data ucar edu | connector:data_ucar_edu@1.0.0 | /notes |
| publication_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 | |
| title | source · data ucar edu | connector:data_ucar_edu@1.0.0 | /title |
| updated_date | source · data ucar edu | connector:data_ucar_edu@1.0.0 |