Casebook 10 May 2005: Difference between revisions
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Note: Digitial pictures were taken of the storm as it approached the radar and of the hailstones that fell at the radar. | Note: Digitial pictures were taken of the storm as it approached the radar and of the hailstones that fell at the radar. | ||
[[Casebook | [[Casebook 22 July 2004|prev]] [[Casebook 2 June 2005|next]] | ||
[[Category:Casebook|20050510]] | [[Category:Casebook|20050510]] | ||
[[Category:Hail]] | [[Category:Hail]] | ||
Revision as of 07:00, 31 December 2007
CSU-CHILL Casebook: 10 May, 2005
Hail-producing severe thunderstorm developed over the foothills near Longmont around 2300 and tracked towards the Jamestown area. Relatively narrow azimuth opening PPI sector scans were used. Maximum elevation angle in these sectors was selected to get the beam height up to the approximately -25 to -30 degree C altitude in the storm. (i.e., not necessarily all the way to echo top). Periodic RHI volumes centered on the storm's right flank were also also done. By 0056 UTC on the 11th, the storm was immediately southwest of the CHILL radar site. At 0107:38 vertically pointed scans were started as pea sized hail began to fall at the radar. By approximately 0120 the maximum hail diameters began to exceed 1 inch; additional vertically pointed scans were done through the hail shaft. The storm faded out fairly rapidly as it moved east of Greeley. Note: Digitial pictures were taken of the storm as it approached the radar and of the hailstones that fell at the radar.
