Key Variables to Assess Seeding Operations on the Greek National Hail Suppression Program

Authors

  • Michalis V Sioutas ELGA Weather Modification Centre Thessaloniki, Greece
  • Randy C Rudolph Colorado International Corporation Boulder, CO

DOI:

https://doi.org/10.54782/jwm.v30i1.260

Abstract

Key variables were examined to assess the operational performance of cloud seeding using data from the 1993 Greek National Hail Suppression Program. These operational variables included: aircrew response time, controller launch time, fraction of storm complexes seeded, seeding start and end time, duration of seeding compared to duration of seeding criteria and seeding location. Seeding rates were not considered. A seeding coverage was calculated as the product of the fraction of storms seeded, the seed time and location of seeding using a 0-100% scale. GNHSP data resulted in a coverage value of about 40% (83% complexes seeded; 58% seeding when seeding criteria were met or exceeded; 84% correct location). Important improvement sat the GNHSP, such as shortening the aircraft take-off time and identifying the need for earlier launches by controllers, have resulted from the simple act of measuring the performance of seeding operations.

Downloads

Issue

Vol. 30 No. 1 (1998)

Section

Scientific Papers

License

Authors that submit papers for publication agree to the Journal’s copyright and publication terms. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the manuscript’s authorship and initial publication in Journal of Weather Modification. Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal’s published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in the Journal of Weather Modification. Authors are permitted to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process to encourage productive exchanges and greater citation of the published article.
 
Articles are published online using restricted access for the first year. After the first year, articles are made freely available online. Immediate open access for an article may be obtained by the author paying an open access fee which is in addition to the normal page changes. Authors are expected to honor a page charge in order to support publication and distribution of the journal. After the author approves the gallery formatted version for publication, the Weather Modification Association’s Secretary will invoice the corresponding author for the page charges and payment is due within 30 days.

How to Cite

Key Variables to Assess Seeding Operations on the Greek National Hail Suppression Program. (1998). The Journal of Weather Modification, 30(1), 22-29. https://doi.org/10.54782/jwm.v30i1.260