Little HEC-HMS Atlas 14 Everywhere

This group of storm events were developed as the design storms for the Little model. They use Atlas 14 data everywhere. The duration of the events is 24 hr as that is the critical duration of the watershed.

Model Software Version

HEC-HMS version 4.9

Model Application

Little - Design Storm HEC-HMS Model for Louisiana Watershed Initiative

Simulation Type

SCENARIO

Input Files

Title	Description	Location
Basin File	Basin configuration file	2021_Existing_Conditions.basin
Flow DSS File	Parsed from LI_Little.gage file	data\CA_and_DU_Inf.dss
Flow DSS File	Parsed from LI_Little.gage file	LI_Little.dss

Output files

Title	Description	Location
005yr output dss file	output model data from file	output/005YR24HR_LI.dss
010yr output dss file	output model data from file	output/010YR24HR_LI.dss
025yr output dss file	output model data from file	output/025YR24HR_LI.dss
050yr output dss file	output model data from file	output/050YR24HR_LI.dss
100yr output dss file	output model data from file	output/100YR24HR_LI.dss
200yr output dss file	output model data file	output/200YR24HR_LI.dss
500yr output dss file	output model data from file	output/500YR24HR_LI.dss

Parameters

Parameter	Value
Canopy	Simple
Plant Uptake Method	Simple
LossRate	Deficit Constant
Transform	Modified Clark
Baseflow	Linear Reservoir
Route	Modified Puls
Initial Variable	Combined Inflow
Route	Controlled Outflow
Precipitation Method	Gridded Precipitation
Evapotranspiration Method	No Evapotranspiration

Temporal extent

3000-01-01
3000-02-28

Temporal resolution

5 Minutes

Resource Files

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Metadata record information

Created By	katie.koch@freese.com
Created At	2025-06-12t04:30:57.372236+00:00
Access Level	Public
Is Reviewed	True
Owner	katie.koch@freese.com