Natural Disasters in Calverton, MD

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

93.2

Relatively Moderate

Expected Annual Loss

92.5

Score (0-100)

Social Vulnerability

49.4

Score (0-100)

Community Resilience

29.8

Score (0-100)

Top Hazard Risks

Winter Weather99.1Lightning98.8Heat Wave97.8

Hazard	Risk Score
Winter Weather	99.1
Lightning	98.8
Heat Wave	97.8
Strong Wind	95.8
Tornado	95.1
Earthquake	93.2
Hurricane	92.2
Landslide	91.1
Hail	90.4
Drought	83.5
Ice Storm	80.6
Cold Wave	77.8
Coastal Flood	49.4
Wildfire	42.3

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

Most Recent

Winter Storm

Jan 2026

Most Common Type

Snowstorm

5 declarations

Date	Type	Declaration
Jan 24, 2026	Winter Storm	SEVERE WINTER STORM
Mar 26, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Mar 4, 2016	Snowstorm	SEVERE WINTER STORM AND SNOWSTORM
Nov 20, 2012	Hurricane	HURRICANE SANDY
Oct 28, 2012	Hurricane	HURRICANE SANDY
Aug 2, 2012	Severe Storm	SEVERE STORMS AND STRAIGHT-LINE WINDS
Aug 27, 2011	Hurricane	HURRICANE IRENE
May 6, 2010	Snowstorm	SEVERE WINTER STORMS AND SNOWSTORMS
Feb 19, 2010	Snowstorm	SEVERE WINTER STORM AND SNOWSTORM
Jul 2, 2006	Severe Storm	SEVERE STORMS, FLOODING, AND TORNADOES
Sep 13, 2005	Hurricane	HURRICANE KATRINA EVACUATION
Sep 19, 2003	Hurricane	HURRICANE ISABEL
Mar 14, 2003	Severe Storm	SNOW
Apr 10, 2000	Severe Storm	SEVERE WINTER STORM
Jan 11, 1996	Snowstorm	BLIZZARD OF 96 (SEVERE SNOW STORM)
Mar 16, 1993	Snowstorm	SEVERE SNOWFALL & WINTER STORM
Aug 28, 1989	Severe Storm	SEVERE STORMS & HIGH WINDS
Oct 4, 1975	Flood	HEAVY RAINS & FLOODING
Jun 23, 1972	Flood	TROPICAL STORM AGNES

Showing 20 of 21 declarations

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

3,886

Total IA Distributed

$14,967,857

Repair/Replace

$648,636

Rental Assistance

$311,750

Disaster	Registrations	Total IA $	Avg Damage
DR-4512	2	N/A	—
DR-4484	1	N/A	—
DR-4337	1	N/A	—
DR-4481	1	N/A	—
DR-4611	1	N/A	—
DR-4491	1,863	$10,874,855	—
DR-4502	521	$2,842,590	—
DR-1492	971	$946,219	$1,417
DR-1493	523	$303,693	$673
DR-4339	2	$500	—

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

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

775

Total Claims Paid

$4,765,802

Avg Claim Payout

$6,149

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$249,202,897

Disasters with PA

Total Projects

243

Disaster	Type	Projects	Federal $
DR-4491	Biological	150	$238,158,576
DR-4075	Severe Storm(s)	39	$7,381,882
DR-4261	Snow	29	$2,769,657
DR-4091	Hurricane	18	$465,211
DR-3335	Hurricane	7	$427,571

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$3,282,396

Properties Protected

Avg Benefit-Cost Ratio

0.83

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
601.1: Generators	3	$566,891
601.2: Generators - Regular	2	$383,960
405.1: Other Minor Flood Control	1	$738,750
203.1: Wet Floodproofing Private Structures - Riverine; 500.2: Flood Control - Berm, Levee, or Dike	1	$1,385,623
91.1: Local Multihazard Mitigation Plan	1	$69,000

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

Calverton has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are winter weather, lightning, heat wave. The area has had 21 federal disaster declarations. The most common disaster type is snowstorm (5 declarations). 775 flood insurance claims have been filed in the area. FEMA has obligated $249,202,897 in public assistance recovery funding. $14,967,857 has been distributed in individual assistance to disaster-affected residents. 12 hazard mitigation projects have been funded to reduce future risk.