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Harmon County, Oklahoma Flood Zones

Check an Address in Harmon County

Enter any address in Harmon County, Oklahoma to see its FEMA flood zone

Flood Risk Data for Harmon County

Harmon County, Oklahoma has recorded 5 flood-related events since 1996 according to NOAA's Storm Events Database, including 4 flash floods and 1 river or area floods. The county has received 20 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Harmon County Disaster History

FEMA Disaster Declarations (1995–2021)

Disaster Declarations
20
Latest Disaster
Severe Winter Storm (2021-02-08)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Harmon County

DeclarationTypeDate
Severe Winter StormSevere Ice StormFeb 8, 2021
Severe Winter StormsSevere Ice StormFeb 8, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
WildfiresFireApr 11, 2018
Severe Winter Storms And FloodingSevere StormDec 26, 2015
Severe Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormMay 5, 2015
Severe Winter StormSevere StormJan 31, 2011
Severe Winter StormSevere StormJan 28, 2010
Severe Winter StormSevere StormDec 24, 2009

Recorded Flood Events in Harmon County

NOAA Storm Events Database (1996–2025)

Total Flood Events
5
River/Area Floods
1
Flash Floods
4

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Harmon County

TypeDateDamage
Flash FloodMay 22, 20160.00K
Flash FloodJun 14, 20150.00K
Flash FloodSep 11, 20080.00K
Flash FloodSep 9, 20070.00K
FloodSep 11, 2003

Harmon County Flood History

Flash Flood — May 22, 2016

Storms formed along a dryline in the panhandles on the 22nd. These storms slowly made their way into western Oklahoma and western north Texas late that evening. The southernmost storms eventually formed into an MCS and followed the Red River overnight into the early morning of the 23rd.

Flash Flood — Jun 14, 2015

With several boundaries floating around the area, storms erupted on the 14th and 15th as an upper level low moved by, producing some flash flooding.

Flash Flood — Sep 11, 2008

A prolonged area of southwest flow aloft developed over much of Oklahoma during the period from the 10th through the 12th. Numerous upper level disturbances moving through the flow, as well as a very moist air mass allowed for several rounds of showers and thunderstorms to develop and move northeast, much of the time moving over the same areas. Moisture associated with the remnants of Tropical ...

Flash Flood — Sep 9, 2007

September 9th saw yet another day of thunderstorms with very heavy rainfall. Thunderstorms developed over southwest Oklahoma and moved southeast to near the Red River. Flash flooding occurred as slow moving thunderstorms repeatedly affected the same areas. No damage was reported with the flooding.

Flood — Sep 11, 2003

Precipitation totals of 5 to 9+ inches fell during the late evening hours of September 10 and early morning hours of September 11 over parts of west central and southwestern Oklahoma and the eastern Texas Panhandle. The subsequent heavy runoff from these torrential rains initially produced flash flooding in this area, especially in and near the city of Erick, where the cooperative observer repo...

Source: NOAA National Weather Service Storm Events Database.

Harmon County NFIP Flood Insurance Claims

Total Claims Filed
23
Total Paid Out
$194,569
Avg Claim
$12,160
Avg Water Depth
2.9 ft

Claims by Flood Zone

A Zones (High Risk)
15
X Unshaded (Low)
1

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Harmon County

FEMA assigns flood zone designations to areas in Harmon County, Oklahoma:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Harmon County

Properties in Harmon County, Oklahoma that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.