FLOOD08379

• County: Statewide
• Community: State
• Stream Name: All
• Basin: Statewide
• Title: Procedures for Determining Peak Flows in Colorado
• Date: 3/1/1984
• Prepared For: State of Colorado
• Prepared By: USDA Soil Conservation Service
• Floodplain - Doc Type: Educational/Technical/Reference Information

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TABLE OF CONTENTS

Page

General
Precipitation
Hydrologic Soil Groups
Watershed Cover and Treatment
Time of Concentration
Peak Flow Determinations
Estimation of Runoff from Snowmelt
Technical Release No. 55

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S-lA
S-lB
S-lC
S-2
S-3
S-4
S-5
S-6
S-7

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S-2
S-3

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Figures

Peak Discharge, in CSM per inch Vs Tc
Peak Discharge, in cfs per inch Vs Drainage Area
Peak Discharges from Snowmelt
Mean Annual Precipitation
Ratios for Areal Adjustment of Rainfall
Runoff Curve Numbers for Rangeland
Runoff Curve Numbers for Cropland
Antecedent Moisture - CN Relationship
Nomograph for Tc Determinations
Rainfall Frequency Maps

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79

Tab les

Time of Travel for Tc Determinations
Soil Series Names and Hydrologic Grouping
Runoff for Inches of Rain

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