Arizona, 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 604 against 549 in 2010.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 2 Feb 2011 | Forecast zone | Cold/Wind Chill | — | — | 2 | 1 |
| 8 Apr 2011 | Forecast zone | Heavy Snow | — | — | 2 | — |
| 22 Aug 2011 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 4 Oct 2011 | Forecast zone | Dust Storm | — | $250,000 | 1 | 15 |
| 21 Mar 2011 | Forecast zone | Winter Weather | — | — | 1 | 10 |
| 4 Aug 2011 | Coconino | Lightning | — | — | 1 | 5 |
| 25 Aug 2011 | Forecast zone | Dust Storm | — | $150,000 | 1 | 2 |
| 21 Mar 2011 | Mohave | Hail | 0.25 in | — | 1 | 2 |
| 19 Feb 2011 | Forecast zone | Heavy Snow | — | — | 1 | 1 |
| 15 Sep 2011 | Pima | Flash Flood | — | $500,000 | 1 | — |
| 12 Jul 2011 | Apache | Lightning | — | — | 1 | — |
| 3 Dec 2011 | Forecast zone | Winter Weather | — | — | 1 | — |
| 11 Sep 2011 | Forecast zone | Heat | — | — | 1 | — |
| 5 Jul 2011 | Forecast zone | Dust Storm | — | $30,000 | — | 13 |
| 27 Sep 2011 | Forecast zone | Dust Storm | — | $200,000 | — | 12 |
| 8 May 2011 | Forecast zone | Wildfire | — | — | — | 12 |
| 1 Dec 2011 | Forecast zone | Winter Weather | — | — | — | 8 |
| 2 Sep 2011 | Pima | Heavy Rain | — | $50,000 | — | 7 |
| 13 May 2011 | Pima | Dust Devil | — | $1,000 | — | 6 |
| 1 Jun 2011 | Forecast zone | Wildfire | — | $58,000,000 | — | — |
| 4 Oct 2011 | Forecast zone | Dust Storm | — | $100,000 | — | 4 |
| 18 Jul 2011 | Forecast zone | Dust Storm | — | $10,000 | — | 4 |
| 2 Feb 2011 | Forecast zone | Frost/Freeze | — | $500,000 | — | 2 |
| 19 Feb 2011 | Forecast zone | Strong Wind | 46 mph | $1,000 | — | 2 |
| 2 Apr 2011 | Pima | Dust Devil | — | — | — | 2 |
| 11 Aug 2011 | Cochise | Lightning | — | — | — | 2 |
| 1 Jul 2011 | Forecast zone | Wildfire | — | $15,000,000 | — | — |
| 9 May 2011 | Forecast zone | Strong Wind | 47 mph | $11,200,000 | — | — |
| 18 Aug 2011 | Pinal | Thunderstorm Wind | 75 mph | $1,000,000 | — | 1 |
| 1 Jun 2011 | Forecast zone | Wildfire | — | $1,000,000 | — | 1 |
| 16 Aug 2011 | Pima | Heavy Rain | — | $25,000 | — | 1 |
| 8 Jul 2011 | Pima | Thunderstorm Wind | 60 mph | $15,000 | — | 1 |
| 10 Sep 2011 | Pima | Heavy Rain | — | $15,000 | — | 1 |
| 2 Jul 2011 | Maricopa | Thunderstorm Wind | 49 mph | — | — | 1 |
| 30 Jul 2011 | Maricopa | Lightning | — | — | — | 1 |
| 7 Jul 2011 | Pima | Flash Flood | — | — | — | 1 |
| 2 Feb 2011 | Forecast zone | Frost/Freeze | — | $2,500,000 | — | — |
| 2 Feb 2011 | Forecast zone | Frost/Freeze | — | $1,000,000 | — | — |
| 2 Feb 2011 | Forecast zone | Frost/Freeze | — | $1,000,000 | — | — |
| 2 Feb 2011 | Forecast zone | Frost/Freeze | — | $1,000,000 | — | — |
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 |
|---|---|---|---|---|---|
| 12 Jun 2011 | FM-2919 | Fire management assistance | Fire | Monument Fire | 1 |
| 2 Jun 2011 | FM-2915 | Fire management assistance | Fire | Wallow Fire | 2 |
| 9 May 2011 | FM-2907 | Fire management assistance | Fire | Horseshoe Two Fire | 1 |
Flood insurance claims with a 2011 date of loss
43 NFIP claims, 18 of them paid, for $214,481.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.