Arizona, 2018
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 2018 was 1,125 against 498 in 2017.
Counties with the most recorded events
| County | Events in 2018 |
|---|---|
| Maricopa County | 229 |
| Mohave County | 81 |
| Yavapai County | 72 |
| Pima County | 48 |
| Pinal County | 39 |
| Coconino County | 35 |
| Gila County | 21 |
| Cochise County | 19 |
| Yuma County | 17 |
| La Paz County | 15 |
| Navajo County | 12 |
| Apache County | 10 |
| Santa Cruz County | 9 |
| Graham County | 8 |
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 22 Jul 2018 | Forecast zone | Excessive Heat | — | — | 20 | — |
| 5 Jul 2018 | Forecast zone | Excessive Heat | — | — | 12 | — |
| 6 Aug 2018 | Forecast zone | Excessive Heat | — | — | 11 | — |
| 23 Jul 2018 | Forecast zone | Excessive Heat | — | — | 11 | — |
| 23 Jul 2018 | Forecast zone | Excessive Heat | — | — | 10 | — |
| 19 Aug 2018 | Forecast zone | Excessive Heat | — | — | 6 | — |
| 12 Jun 2018 | Forecast zone | Excessive Heat | — | — | 5 | — |
| 18 Aug 2018 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 22 Sep 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 27 Jul 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 23 Jul 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 21 Jun 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 28 Jul 2018 | Forecast zone | Heat | — | — | 3 | — |
| 9 Jul 2018 | Forecast zone | Heat | — | — | 3 | — |
| 23 Jul 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 26 Jul 2018 | Forecast zone | Heat | — | — | 3 | — |
| 2 Aug 2018 | Forecast zone | Heat | — | — | 3 | — |
| 3 Aug 2018 | Forecast zone | Heat | — | — | 3 | — |
| 4 Aug 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 5 Aug 2018 | Forecast zone | Excessive Heat | — | — | 3 | — |
| 20 May 2018 | Forecast zone | Heat | — | — | 3 | — |
| 9 Jan 2018 | Yavapai | Heavy Rain | — | — | 2 | 3 |
| 26 Jul 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 22 Aug 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 19 Aug 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 3 Jun 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 20 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 28 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 29 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 5 Jul 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 16 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 9 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 27 Jul 2018 | Forecast zone | Heat | — | — | 2 | — |
| 17 Sep 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 21 Aug 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 29 Aug 2018 | Forecast zone | Heat | — | — | 2 | — |
| 3 Aug 2018 | Forecast zone | Heat | — | — | 2 | — |
| 30 Aug 2018 | Forecast zone | Heat | — | — | 2 | — |
| 4 Aug 2018 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 6 Aug 2018 | Forecast zone | Excessive 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 2018
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 30 Nov 2018 | DR-4409 | Major disaster | Severe Storm | Severe Storms And Flooding | 0 |
| 31 Aug 2018 | DR-4389 | Major disaster | Flood | Severe Storms, Flooding, And Landslides | 0 |
| 11 May 2018 | FM-5238 | Fire management assistance | Fire | 89 East Fire | 1 |
| 29 Apr 2018 | FM-5236 | Fire management assistance | Fire | Tinder Fire | 1 |
Flood insurance claims with a 2018 date of loss
94 NFIP claims, 57 of them paid, for $1,713,247.
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.