Maryland, 2011
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2011 was 1,073 against 754 in 2010.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 27 Aug 2011 | Forecast zone | Tropical Storm | — | $550,000 | 1 | — |
| 8 Jan 2011 | Talbot | Winter Weather | — | — | 1 | — |
| 22 Jul 2011 | Forecast zone | Excessive Heat | — | — | 1 | — |
| 7 Sep 2011 | Anne Arundel | Flood | — | — | 1 | — |
| 22 Jul 2011 | Forecast zone | Excessive Heat | — | — | 1 | — |
| 18 Feb 2011 | Forecast zone | Strong Wind | 49 mph | $12,000 | — | 3 |
| 1 Aug 2011 | Calvert | Thunderstorm Wind | 70 mph | $100,000 | — | 2 |
| 18 Aug 2011 | Harford | Lightning | — | — | — | 1 |
| 9 Jun 2011 | Caroline | Heat | — | — | — | 1 |
| 27 Aug 2011 | St. Mary's | Tropical Storm | — | $3,800,000 | — | — |
| 27 Aug 2011 | Harford | Tropical Storm | — | $2,000,000 | — | — |
| 27 Aug 2011 | Calvert | Tropical Storm | — | $1,800,000 | — | — |
| 27 Aug 2011 | Forecast zone | Tropical Storm | — | $1,700,000 | — | — |
| 27 Aug 2011 | Charles | Tropical Storm | — | $1,300,000 | — | — |
| 27 Aug 2011 | Somerset | Tropical Storm | — | $100,000 | — | — |
| 27 Aug 2011 | Wicomico | Tropical Storm | — | $100,000 | — | — |
| 27 Aug 2011 | Forecast zone | Tropical Storm | — | $100,000 | — | — |
| 28 Aug 2011 | Talbot | Flood | — | $1,000,000 | — | — |
| 27 Aug 2011 | Dorchester | Tropical Storm | — | $100,000 | — | — |
| 27 Aug 2011 | Kent | Tropical Storm | — | $550,000 | — | — |
| 28 Aug 2011 | Queen Anne's | Flood | — | $550,000 | — | — |
| 28 Aug 2011 | Kent | Flood | — | $550,000 | — | — |
| 27 Aug 2011 | Howard | Tropical Storm | — | $500,000 | — | — |
| 17 May 2011 | Washington | Tornado | EF1 | $300,000 | — | — |
| 27 Aug 2011 | Montgomery | Tropical Storm | — | $300,000 | — | — |
| 27 Aug 2011 | Anne Arundel | Tropical Storm | — | $300,000 | — | — |
| 25 Aug 2011 | Cecil | Lightning | — | $280,000 | — | — |
| 27 Aug 2011 | Talbot | Tropical Storm | — | $250,000 | — | — |
| 28 Aug 2011 | Caroline | Flood | — | $250,000 | — | — |
| 7 Sep 2011 | Cecil | Flood | — | $250,000 | — | — |
| 27 Aug 2011 | Forecast zone | Tropical Storm | — | $200,000 | — | — |
| 27 Aug 2011 | Forecast zone | Tropical Storm | — | $200,000 | — | — |
| 27 Aug 2011 | Caroline | Tropical Storm | — | $135,000 | — | — |
| 27 Aug 2011 | Cecil | Tropical Storm | — | $110,000 | — | — |
| 28 Aug 2011 | Cecil | Flood | — | $110,000 | — | — |
| 27 Apr 2011 | Prince George's | Tornado | EF0 | $100,000 | — | — |
| 27 Apr 2011 | Prince George's | Tornado | EF0 | $100,000 | — | — |
| 7 Jul 2011 | Baltimore | Thunderstorm Wind | 76 mph | $100,000 | — | — |
| 28 Oct 2011 | Garrett | Heavy Snow | — | $100,000 | — | — |
| 14 Aug 2011 | Queen Anne's | Flash Flood | — | $100,000 | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2011
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 5 Oct 2011 | DR-4038 | Major disaster | Flood | Remnants Of Tropical Storm Lee | 7 |
| 16 Sep 2011 | DR-4034 | Major disaster | Hurricane | Hurricane Irene | 15 |
| 27 Aug 2011 | EM-3335 | Emergency | Hurricane | Hurricane Irene | 23 |
Flood insurance claims with a 2011 date of loss
793 NFIP claims, 522 of them paid, for $10,329,380.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (29 Sep 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 30 Sep 2026.