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BOARD00114 (2)
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BOARD00114 (2)
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Last modified
8/16/2009 2:45:03 PM
Creation date
3/7/2007 11:07:54 AM
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Board Meetings
Board Meeting Date
1/24/2007
Description
Flood Section - Meteorological Services Program Annual Update
Board Meetings - Doc Type
Memo
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<br />The CWCB Program provides interested users with a Colorado-tailored comprehensive daily and long-range <br />forecast for the entire state. It is also flood-focuseq, so more attention is paid to the actual flood threat, than for <br />other non-flood meteorological events, which include wind, severe weather, and extreme temperatures, among <br />others. The CWCB continues to coordinate closely with the NWS as part of the Flood Task Force, and the . <br />Program supplements the NWS activities but does not replace them. <br /> <br />2006 was the first year of this service. Feedback from endusers has been almost unanimously positive, and this <br />program will be continued for the 2007 Flood Season. <br /> <br />Discussion <br />As stated above, this Program included a daily statewide outlook with quantitative rainfall predictions and a <br />detailed assessment of flood potential. All areas of the state were classified on a daily basis as being in a <br />condition of No Flood Threat, Minor Flood Potential, Flood Watch, or Flood Warning. These outlooks were <br />generally available once per day and were issued in the late morning. In addition, on Mondays and Fridays, a <br />medium range outlook of 3-15 days is provided so that officials in all areas of the state can make necessary <br />preparations in anticipation of potential problems. <br /> <br />The targeted audience included local floodplain administrators, emergency managers, and concerned citizens. <br />While there was very little to report during the first three weeks of the program (other than very isolated <br />snowmelt runoff problems), the weather became more active following the third week of June, and this tool has <br />proven invaluable in warning local officials of the flood threat for the day. <br /> <br />In addition to this forecasting tool, this program provided a forensic tool which showed a Doppler <br />reconstruction of rainfall from the previous day. This has been useful to the Flood Protection Staff in <br />identifying areas of potentially high rainfall and areas of probable floods. This assists the Flood Protection <br />Section in carrying out its duties of preparing for and responding to flood events. In many ways, this program <br />was a useful tool to provide assistance to all levels of government in the prevention and/or mitigation of flood <br />damages. <br /> <br />. <br /> <br />2006 was the first year of this service. Feedback from endusers has been almost unanimously positive, and this <br />program will be continued for the 2007 Flood Season. HDR Hydromet services, which hosted the web link, <br />tracked usage of the website. Their report indicates over 30,700 hits by 570 unique addresses. Among those <br />viewing the site were most Colorado County emergency managers on a daily basis, the Colorado State Patrol, <br />National Weather Service offices in Grand Junction, Pueblo and Boulder, the USGS, numerous Colorado city <br />emergency managers and public works offices including Pueblo, Summit County, various media organizations, <br />water conservation districts, Colorado white water rafting organizations, National Park Service and many <br />individual Colorado citizens. Most hits occurred from July 3, 2006 to September 6, 2006, when the weather was <br />most active. <br /> <br />The primary goal for the 2007 season is to continue to spread the word about the existence of the program and <br />its benefits. In addition, minor enhancements will be made based on feedback and other lessons learned from <br />the pilot program in 2006. <br /> <br />Summary <br />The Meteorological Flood Prediction Services pilot program was a success in 2006. This Program was created <br />in response to customers needs that were communicated to the Flood Protection Section, and feedback from the <br />first year was quite positive. All of the state's largest floods were correctly predicted, and many smaller events <br />were also properly forecast, enabling local officials to better prepare and mitigate against the flood threats faced <br />in Colorado. Staff plans to continue the Program for the 2007 flood year, with attention placed on further <br />marketing the availability of the service. Program enhancements resulting from feedback and experience from <br />the 2006 flood season will be incorporated as well. . <br /> <br />Flood Protection. Water Project Planning and Financing. Stream and Lake Protection <br />Water Supply Protection. Conservation Planning <br /> <br />2 <br />
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