Arizona, 2021
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 2021 was 1,301 against 816 in 2020.
Counties with the most recorded events
| County | Events in 2021 |
|---|---|
| Maricopa County | 223 |
| Pima County | 94 |
| Mohave County | 69 |
| Gila County | 62 |
| Yavapai County | 54 |
| Coconino County | 54 |
| Pinal County | 54 |
| Cochise County | 34 |
| Navajo County | 24 |
| Graham County | 18 |
| Apache County | 15 |
| La Paz County | 13 |
| Santa Cruz County | 12 |
| Yuma County | 10 |
| Greenlee County | 1 |
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 35 | — |
| 9 Jul 2021 | Forecast zone | Excessive Heat | — | — | 20 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 11 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 9 | — |
| 3 Aug 2021 | Forecast zone | Excessive Heat | — | — | 8 | — |
| 25 Aug 2021 | Forecast zone | Excessive Heat | — | — | 7 | — |
| 9 Jul 2021 | Forecast zone | Excessive Heat | — | — | 6 | — |
| 8 Aug 2021 | Forecast zone | Heat | — | — | 6 | — |
| 20 Jul 2021 | Forecast zone | Heat | — | — | 5 | — |
| 8 Aug 2021 | Forecast zone | Heat | — | — | 5 | — |
| 3 Aug 2021 | Forecast zone | Excessive Heat | — | — | 5 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 5 | — |
| 9 Jul 2021 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 19 Jul 2021 | Forecast zone | Heat | — | — | 4 | — |
| 12 Sep 2021 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 28 Aug 2021 | Forecast zone | Heat | — | — | 4 | — |
| 30 Aug 2021 | Forecast zone | Heat | — | — | 4 | — |
| 3 Jul 2021 | Forecast zone | Heat | — | — | 4 | — |
| 2 Aug 2021 | Forecast zone | Heat | — | — | 4 | — |
| 30 Jun 2021 | Forecast zone | Heat | — | — | 4 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 12 Sep 2021 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 27 Jun 2021 | Forecast zone | Heat | — | — | 3 | — |
| 12 Jun 2021 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 22 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 5 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 9 Jul 2021 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 2 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 21 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 8 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 29 Aug 2021 | Forecast zone | Heat | — | — | 3 | — |
| 7 Aug 2021 | Forecast zone | Heat | — | — | 3 | — |
| 6 Jul 2021 | Forecast zone | Heat | — | — | 3 | — |
| 29 Jun 2021 | Forecast zone | Heat | — | — | 3 | — |
| 6 Jun 2021 | Forecast zone | Heat | — | — | 3 | — |
| 14 Aug 2021 | Maricopa | Flash Flood | — | $25,000,000 | 2 | — |
| 18 Aug 2021 | Maricopa | Flash Flood | — | $20,000 | 2 | — |
| 7 Sep 2021 | Forecast zone | Heat | — | — | 2 | — |
| 2 Jun 2021 | Forecast zone | Heat | — | — | 2 | — |
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 2021
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 13 Sep 2021 | DR-4620 | Major disaster | Flood | Severe Storms And Flooding | 3 |
| 6 Jun 2021 | FM-5389 | Fire management assistance | Fire | Telegraph Fire | 2 |
| 27 May 2021 | FM-5387 | Fire management assistance | Fire | Spur Fire | 1 |
| 8 Apr 2021 | FM-5385 | Fire management assistance | Fire | Margo Fire | 1 |
| 2 Feb 2021 | DR-4582 | Major disaster | Biological | Covid-19 Pandemic | 0 |
Flood insurance claims with a 2021 date of loss
164 NFIP claims, 111 of them paid, for $3,719,266.
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.