Michigan, 2020
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 2020 was 805 against 1,064 in 2019.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 23 Jan 2020 | Dickinson | Winter Weather | — | $40,000 | 2 | 2 |
| 29 Nov 2020 | Forecast zone | Winter Weather | — | $10,000 | 1 | — |
| 16 Mar 2020 | Delta | Cold/Wind Chill | — | — | 1 | — |
| 19 May 2020 | Midland | Flash Flood | — | $100,000,000 | — | — |
| 19 May 2020 | Midland | Flash Flood | — | $100,000,000 | — | — |
| 18 May 2020 | Gladwin | Flood | — | $11,000,000 | — | — |
| 18 Jul 2020 | Presque Isle | Thunderstorm Wind | 67 mph | $95,000 | — | 1 |
| 18 Jul 2020 | Gogebic | Thunderstorm Wind | 63 mph | $10,000 | — | 1 |
| 9 Jul 2020 | Washtenaw | Thunderstorm Wind | 64 mph | — | — | 1 |
| 18 May 2020 | Midland | Flood | — | $10,000,000 | — | — |
| 18 May 2020 | Saginaw | Flood | — | $9,000,000 | — | — |
| 18 May 2020 | Gladwin | Flash Flood | — | $6,500,000 | — | — |
| 18 May 2020 | Muskegon | Flood | — | $6,000,000 | — | — |
| 18 May 2020 | Ottawa | Flood | — | $5,000,000 | — | — |
| 18 May 2020 | Arenac | Flood | — | $4,400,000 | — | — |
| 18 May 2020 | Bay | Lakeshore Flood | — | $2,000,000 | — | — |
| 18 May 2020 | Iosco | Flood | — | $1,200,000 | — | — |
| 18 May 2020 | Menominee | Lakeshore Flood | — | $1,000,000 | — | — |
| 18 May 2020 | Saginaw | Flood | — | $1,000,000 | — | — |
| 18 May 2020 | Bay | Flood | — | $1,000,000 | — | — |
| 9 Jul 2020 | Iron | Flash Flood | — | $1,000,000 | — | — |
| 15 Nov 2020 | Oakland | High Wind | 64 mph | $1,000,000 | — | — |
| 26 Jun 2020 | Van Buren | Thunderstorm Wind | 100 mph | $1,000,000 | — | — |
| 15 Nov 2020 | Macomb | High Wind | 60 mph | $750,000 | — | — |
| 15 Nov 2020 | Washtenaw | High Wind | 61 mph | $750,000 | — | — |
| 15 Nov 2020 | Wayne | High Wind | 63 mph | $750,000 | — | — |
| 7 Apr 2020 | Allegan | Hail | 2.00 in | $500,000 | — | — |
| 7 Apr 2020 | Kalamazoo | Hail | 2.00 in | $500,000 | — | — |
| 7 Apr 2020 | Muskegon | Hail | 1.75 in | $500,000 | — | — |
| 11 Jan 2020 | Sanilac | Lakeshore Flood | — | $500,000 | — | — |
| 18 May 2020 | Ogemaw | Flood | — | $450,000 | — | — |
| 15 Nov 2020 | Monroe | High Wind | 60 mph | $400,000 | — | — |
| 15 Nov 2020 | Livingston | High Wind | 60 mph | $400,000 | — | — |
| 15 Nov 2020 | Genesee | High Wind | 60 mph | $350,000 | — | — |
| 28 May 2020 | Grand Traverse | Flash Flood | — | $310,000 | — | — |
| 15 Nov 2020 | Lenawee | High Wind | 60 mph | $300,000 | — | — |
| 18 May 2020 | Montcalm | Flood | — | $250,000 | — | — |
| 7 Apr 2020 | Allegan | Hail | 1.75 in | $250,000 | — | — |
| 7 Apr 2020 | Allegan | Hail | 1.75 in | $250,000 | — | — |
| 7 Apr 2020 | Mecosta | Hail | 1.75 in | $250,000 | — | — |
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 2020
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 9 Jul 2020 | DR-4547 | Major disaster | Dam/Levee Break | Severe Storms And Flooding | 5 |
| 21 May 2020 | EM-3525 | Emergency | Dam/Levee Break | Severe Storms And Flooding | 2 |
| 27 Mar 2020 | DR-4494 | Major disaster | Biological | Covid-19 Pandemic | 83 |
| 13 Mar 2020 | EM-3455 | Emergency | Biological | Covid-19 | 83 |
Flood insurance claims with a 2020 date of loss
817 NFIP claims, 674 of them paid, for $33,764,784.
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.