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<br />The first flooding of the season was in the South Platte River basin. The Flood Task <br />Force held its first meeting on May 8, 1995. Shortly after that meeting, the St. Vrain River <br />watershed experienced enough rain to cause a 25-year flood at Lyons. The first flood of the <br />season had, therefore, resulted from rainfall, not snowmelt. The rainfall amounts were not <br />exceptionally heavy (about 2 - 3 inches), but the rain affected such a large percentage of the <br />watershed that there was a large flow. <br /> <br />In the South Platte River Basin, rain in many portions of the watershed led to flows of <br />about a lO-year frequency. Shortly before Memorial Day, the South Platte River left its banks <br />for what proved to be a period of about 6 consecutive weeks, late May to early July. <br />Unfortunately for those along the river, those flows seemed continuous. The first part ofthat six- <br />week flood was caused by rain in the portion of the watershed downstream of Chatfield <br />Reservoir. <br /> <br /> <br />. ~_.......... <br />. .----~-..... ---- -- ~ <br />-- -~_. ..=' <br /> <br />Inundated Agricultural Land (background) - Weld County <br />