Numerical Models No Longer Accepted by FEMA for NFIP Usage

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Currently Unacceptable Models

Current Unacceptable Models

Currently Unacceptable Numerical Models
TYPE PROGRAM DEVELOPED BY COMMENTS
Coastal Models;
Coastal Storm Surges
ODISTIM (1975) Coastal Consultants, Inc. Have not been used for NFIP studies for more than 5 years.
Coastal Models;
Coastal Storm Surges
Northeaster Model
(1978)
Stone & Webster Engineering Group Have not been used for NFIP studies for more than 5 years.
Coastal Models;
Coastal Storm Surges
FLOW2D
(1975) 1
Resource Analysis, Inc. Have not been used for NFIP studies for more than 5 years.
Coastal Models;
Coastal Wave Effects
GLWRM (1992) U.S. Army Corps of Engineers Have not been used for NFIP studies for more than 5 years.
Hydrologic Models;
Single Event
DBRM 3.0 (1993) Bernard L. Golding, P.E.
Consulting Water Resources Engineer
Orlando, FL
Have not been used for NFIP studies for more than 5 years.
Hydrologic Models;
Single Event
HYMO U.S. Department of Agriculture,
Natural Resources Conservation Service
NRCS is no longer supporting the program.
Hydrologic Models;
Single Event
DR3M
(Oct. 1993)
U.S. Geological Survey Have not been used for NFIP studies for more than 5 years.
Hydrologic Models;
Single Event
TR-20
(February 1992)
U.S. Department of Agriculture,
Natural Resources
Conservation Service
NRCS is no longer supporting the DOS version of the program.
Hydrologic Models;
Single Event
TR-55
(June 1986)
U.S. Department of Agriculture,
Natural Resources
Conservation Service
NRCS is no longer supporting the DOS version of the program.
Interior Drainage Analysis HEC-IFH 1.03 and up U.S. Army Corps of Engineers The U.S. Army Corps of Engineers is no longer supporting the program.
Hydraulic Model;
One-dimensional Steady Flow
WSP2
(October 1993)
U.S. Department of Agriculture,
Natural Resources Conservation Service
NRCS is no longer supporting the program.
Hydraulic Model;
One-dimensional Steady Flow
FLDWY
(May 1989)
U.S. Department of Agriculture,
Natural Resources Conservation Service
NRCS is no longer supporting the program; for past studies done using FLDWY, the user manual is still available from NRCS to help interpret the data.
Hydraulic Model;
One-dimensional Unsteady Flow
UNET 4.0
(Apr. 2001)
US Army Corps of Engineers Replaced by HEC-RAS.
Hydraulic Model;
One-dimensional Unsteady Flow
DAMBRK National Weather Service NWS is no longer supporting the program.
Hydraulic Model;
One-dimensional Unsteady Flow
NETWORK (DWOPER) National Weather Service NWS is no longer supporting the program.
Floodway Model SFD U.S. Army Corps of Engineers / FEMA The U.S. Army Corps of Engineers / FEMA are no longer supporting the program.
Floodway Model PSUPRO Pennsylvania State University /  U.S. Army Corps of Engineers / FEMA Pennsylvania State University / U.S. Army Corps of Engineers / FEMA are no longer supporting the program.
Locally Accepted Hydraulic Model SHEET2D 9 Tomasello Consulting Engineers, Inc. Replaced by S2DMM.

Nationally Accepted Models

Locally Accepted Models

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Last Updated: 
07/24/2014 - 16:00
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