1. Division of Atmospheric Sciences; Desert Research Institute; Reno Nevada USA
2. Centre for Climate Change Research; Indian Institute of Tropical Meteorology; Pune India
3. National Severe Storms Laboratory; Norman Oklahoma USA
4. Department of Geology and Geography; Georgia Southern University; Statesboro Georgia USA
5. Marine Meteorology Division; Naval Research Laboratory; Monterey California USA
6. Department of Atmospheric and Oceanic Sciences; University of Wisconsin; Madison Wisconsin USA