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<br />CWCB Flood Documentation Meeting Summary <br /> <br />Met with: Larry Tunnell, NWS, Denver, Colorado <br />Date: April 6, 1998 <br /> <br />Markus Ritsch and Bill Owen from Riverside Technology, inc. met with Larry Tunnell on April 6, <br />1998 from approximately 9:30 a.m. to 1 :30 p.m. We met with Larry to discuss what precipitation <br />and meteorological data is available for the period May through October of 1997. <br /> <br />All radar data has been transfered from the NWS office in Denver to the National Climatic Data <br />Center in Ashville, NC (704)271-4800. Larry has only three storm events available as storm total <br />precipitation images from the radar data. These storms include the Sterling storm in Logan County, <br />the WeJdona storm in Morgan County, and the Fort Collins storm in Larimer/Weld County. The <br />radar data for these storms was ground-truthed with point gauge data and rainfall bucket surveys. If <br />the CWCB wants additional storm total precipitation estimates from radar they will have to be <br />processed by the NCDS. The one caveat in doing this is that the storm events will not be ground <br />truthed with rainfall bucket data. Markus will inquire with the NCDC regarding the cost to do this. <br /> <br />Bill Owen and Markus Ritsch spent most of the day going through the daily storm records. This <br />information is only available in hardcopy format at the NWS office in Denver. It is organized by <br />date for the counties in the Denver area of forecast responsibility. Of the 13 Counties declared <br />disaster areas by the President, the Denver office is responsible for Larimer, Weld, Morgan, Logan, <br />Phillips, Clear Creek, Elbert, and Lincoln Counties. The Pueblo office will have this information for <br />the southern counties, and the Grand Junction office will have this information for La Plata and <br />Routt Counties. Pertinent information (flood watches, flood warnings, short term forcasts, spotter <br />reports, advisories, sever weather reports, etc.) was copied from the Denver, NWS archives for the <br />following dates: June 13, 14, 15; July 27, 28, 29, 30, 31; and August 1,2,3,4,5,6,1997. Copies of <br />this material will be available in the technical addendnm. <br />