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<br />C-i:>torado. During the afternoon of April 30, 1999, the Flood Warning was expanded to include <br />Las Animas County in anticipation of expected flooding along the lower Purgatoire River by the <br />morning of May 1,1999. <br /> <br />On May 1, 1999, Flood Statements were issued throughout the day addressing the Flood <br />Warnings and Flash Flood Watches in effect. The ongoing flooding along Fountain Creek, the <br />ongoing and anticipated flooding along the Arkansas, the ongoing and anticipated flooding along <br />the Purgatoire, and the continued threat of flash flooding across much of southeast Colorado <br />were also addressed in the Flood Statements. SignifIcant Weather Outlooks addressing the Flood <br />Warnings and Flash Flood Watches in effect, as well as the ongoing flooding, were issued at 7 <br />AM and noon. Late in the day on May I, 1999, the Flood Warning for Fremont and Custer <br />Counties was lowered as the threat of flooding passed in those areas in response to diminishing <br />rainfall and lowering snow levels. The Flash Flood Watch that was in effect for much of <br />southeast Colorado was also canceled at that time for the same reasons. <br /> <br />On the morning of May 2,1999, a Flash Flood Watch was issued for the area known as North La <br />Junta in response to a possible dike failure. Around noon on May 2, 1999, a Flood Statement <br />was issued addressing the possibility of minor flooding by the morning of May 3,1999 <br />downstream of John Martin Reservoir in eastern Bent and Prowers Counties due to necessary <br />releases from John Martin Dam. Flood Statements were issued throughout the day on May 2, <br />1999 addressing the Flood Warnings in effect, the ongoing flooding along Fountain Creek, the <br />ongoing flooding along the Arkansas, the ongoing flooding along the Purgatoire river, the <br />possibility of flash flooding in North La Junta due to dike failure, and the potential for minor <br />flooding downstream of John Martin Reservoir. SignifIcant Weather Outlooks addressing the <br />flooding were issued at 7 AM and noon. On the evening of May 2, 1999, the Flash Flood Watch <br />for the area known as North La Junta was canceled as the threat of flash flooding from dike <br />failure had diminished. <br /> <br />By mid day on May 3,1999, floodwaters had retreated along Fountain Creek and along the <br />Arkansas in Pueblo County. Consequently, the Flood Warning for EI Paso and Pueblo Counties <br />was canceled. Flood Statements were issued throughout the day on May 3, 1999 addressing the <br />Flood Warnings in effect, the receding flood waters along Fountain Creek and the Arkansas <br />River in EI Paso and Pueblo Counties, the ongoing flooding along the Arkansas and Purgatoire <br />rivers in Otero, Crowley, Bent and Las Animas Counties, and the potential for minor flooding <br />problems downstream of John Martin Reservoir. SignifIcant Weather Outlooks addressing the <br />flooding were issued at 7 AM and noon. <br /> <br />On May 4, 1999, Flood Statements were issued throughout the day addressing the Flood <br />Warnings in effect, the ongoing flooding along the Arkansas and the Purgatoire Rivers in Otero, <br />Crowley, Bent and Las Animas Counties, and the potential for minor flooding problems <br />downstream of John Martin Reservoir. SignifIcant Weather Outlooks addressing the flooding <br />were issued at 7 AM and noon. <br /> <br />On the morning of May 5, 1999, another Flood Statement was issued regarding the Flood <br /> <br />Post Flood Assessment Report <br /> <br />26 <br /> <br />Chapter 3 - Flood of April 29, 1999 <br />Draft Revised 09/09/99 <br />