Natural Disasters in Dennis, MS

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

37.1

Very Low

Expected Annual Loss

28.9

Score (0-100)

Social Vulnerability

77.9

Score (0-100)

Community Resilience

28.0

Score (0-100)

Top Hazard Risks

Earthquake81.3Landslide77.1Cold Wave72.2
HazardRisk Score
Earthquake81.3
Landslide77.1
Cold Wave72.2
Heat Wave67.3
Tornado64.4
Hurricane57.1
Lightning55.3
Drought37.9
Wildfire37.2
Strong Wind35.1
Ice Storm34.1
Hail24.6
Winter Weather13.8

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

19

Most Recent

Winter Storm

Feb 2026

Most Common Type

Severe Storm

8 declarations

DateTypeDeclaration
Feb 6, 2026Winter StormSEVERE WINTER STORM
Jan 24, 2026Winter StormSEVERE WINTER STORM
Oct 22, 2021HurricaneHURRICANE IDA
Aug 28, 2021HurricaneHURRICANE IDA
Apr 5, 2020BiologicalCOVID-19 PANDEMIC
Mar 13, 2020BiologicalCOVID-19
Mar 12, 2020Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Apr 23, 2019Severe StormSEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Apr 29, 2011Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND ASSOCIATED FLOODING
May 14, 2010Severe StormSEVERE STORMS, TORNADOES, AND FLOODING
Aug 30, 2008HurricaneHURRICANE GUSTAV
Aug 29, 2005HurricaneHURRICANE KATRINA
Feb 23, 2001Severe StormSEVERE STORMS AND TORNADOES
Jan 25, 1999Severe Ice StormSEVERE WINTER STORMS, ICE AND FREEZING RAIN
Feb 18, 1994Severe StormSEVERE WINTER STORM, FREEEZING RAIN AND SLEET
May 17, 1991Severe StormSEVERE STORMS, TORNADOES & FLOODING
Mar 5, 1991FloodSEVERE STORMS & FLOODING
Feb 22, 1977SnowstormDROUGHT & FREEZING
Mar 27, 1973Severe StormHEAVY RAINS, TORNADOES & FLOODING

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

105

Total IA Distributed

$171,517

Repair/Replace

$91,387

Rental Assistance

$18,531

DisasterRegistrationsTotal IA $Avg Damage
DR-19163N/A
DR-15491N/A
DR-197276$129,237$3,000
DR-45284$22,630
DR-45034$17,234
DR-197117$2,416$258

Individual and household assistance for homeowners and renters affected by federally declared disasters.

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

18

Total Claims Paid

$269,386

Avg Claim Payout

$14,966

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$1,523,359

Disasters with PA

7

Total Projects

77

DisasterTypeProjectsFederal $
DR-1972Severe Storm(s)15$374,761
DR-1916Severe Storm(s)28$368,933
DR-4429Other14$289,507
DR-1265Severe Ice Storm6$191,701
DR-4478Severe Storm(s)7$135,694
DR-4528Biological2$98,505
DR-1604Hurricane5$64,260

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

9

Federal Funding

$369,874

Properties Protected

6

Avg Benefit-Cost Ratio

3.29

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
601.1: Generators3$211,802
600.1: Warning Systems (as a Component of a Planned, Adopted, and Exercised Risk Reduction Plan)3$49,430
206.2: Safe Room (Tornado and Severe Wind Shelter) - Public Structures2$33,643
91.1: Local Multihazard Mitigation Plan1$75,000

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Dennis has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, landslide, cold wave. The area has had 19 federal disaster declarations. The most common disaster type is severe storm (8 declarations). 18 flood insurance claims have been filed in the area. FEMA has obligated $1,523,359 in public assistance recovery funding. $171,517 has been distributed in individual assistance to disaster-affected residents. 9 hazard mitigation projects have been funded to reduce future risk.