On the map: every storm report logged this day.
On the map
Storm reports for September 1, 2018
On September 1, 2018, 47 hail, 63 damaging-wind and 5 tornado reports were logged across 16 states.
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On September 1, 2018, 47 hail, 63 damaging-wind and 5 tornado reports were logged across 16 states. The largest hail reported was 2.75″ (baseball size) in Navajo County, AZ.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| KS | 8 | 18 | 0 | 2.50″ |
| IA | 16 | 3 | 0 | 2.00″ |
| NE | 5 | 8 | 0 | 1.50″ |
| NC | 1 | 8 | 0 | 1.00″ |
| VA | 0 | 9 | 0 | – |
| FL | 0 | 8 | 0 | – |
| MN | 7 | 0 | 0 | 1.00″ |
| MI | 0 | 1 | 4 | – |
| AZ | 4 | 0 | 0 | 2.75″ |
| TX | 2 | 2 | 0 | 1.75″ |
| NM | 1 | 2 | 1 | 0.75″ |
| SD | 2 | 0 | 0 | 1.00″ |
| TN | 0 | 2 | 0 | – |
| ND | 1 | 0 | 0 | 0.88″ |
| IL | 0 | 1 | 0 | – |
| OH | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Urbandale, IA | 47,759 | 2.00″ |
| Johnston, IA | 25,022 | 2.00″ |
| Altoona, IA | 22,598 | 2.00″ |
| Pleasant Hill, IA | 11,942 | 2.00″ |
| Windsor Heights, IA | 5,106 | 2.00″ |
| Bondurant, IA | 9,511 | 1.75″ |
| Ankeny, IA | 76,727 | 1.50″ |
| Hays, KS | 21,213 | 1.25″ |
| Clive, IA | 19,508 | 1.25″ |
| Grimes, IA | 17,266 | 1.25″ |
| Amarillo, TX | 203,729 | 0.88″ |
| Fargo, ND | 136,285 | 0.88″ |
| Ames, IA | 69,026 | 0.88″ |
| West Fargo, ND | 41,027 | 0.88″ |
Hail reports (47)
| Time (UTC) | Size | Location |
|---|---|---|
| 01:11 | 2.75″ | Navajo County, AZ |
| 23:08 | 2.50″ | Osborne County, KS |
| 23:19 | 2.50″ | Coconino County, AZ |
| 22:19 | 2.00″ | Ellis County, KS |
| 00:10 | 2.00″ | Polk County, IA |
| 00:39 | 2.00″ | Polk County, IA |
| 17:40 | 1.75″ | Apache County, AZ |
| 23:14 | 1.75″ | Randall County, TX |
| 00:35 | 1.75″ | Polk County, IA |
| 00:47 | 1.75″ | Polk County, IA |
| 00:48 | 1.75″ | Polk County, IA |
| 22:50 | 1.50″ | Cheyenne County, NE |
| 22:58 | 1.50″ | Russell County, KS |
| 23:03 | 1.50″ | Russell County, KS |
| 00:20 | 1.50″ | Polk County, IA |
| 23:18 | 1.25″ | Ellis County, KS |
| 23:30 | 1.25″ | Cheyenne County, NE |
| 00:15 | 1.25″ | Polk County, IA |
| 00:30 | 1.25″ | Polk County, IA |
| 12:22 | 1.00″ | Guthrie County, IA |
| 22:14 | 1.00″ | Coconino County, AZ |
| 22:20 | 1.00″ | Ellis County, KS |
| 23:02 | 1.00″ | Russell County, KS |
| 23:18 | 1.00″ | Kimball County, NE |
| 00:05 | 1.00″ | Polk County, IA |
| 00:11 | 1.00″ | Polk County, IA |
| 00:35 | 1.00″ | Otoe County, NE |
| 00:38 | 1.00″ | Polk County, IA |
| 01:25 | 1.00″ | Burke County, NC |
| 06:00 | 1.00″ | Corson County, SD |
| 06:20 | 1.00″ | Walworth County, SD |
| 11:32 | 1.00″ | Cass County, MN |
| 12:19 | 0.88″ | Guthrie County, IA |
| 23:20 | 0.88″ | Potter County, TX |
| 00:12 | 0.88″ | Polk County, IA |
| 00:48 | 0.88″ | Dallas County, IA |
| 04:01 | 0.88″ | Story County, IA |
| 08:54 | 0.88″ | Cass County, ND |
| 10:20 | 0.88″ | Grant County, MN |
| 11:26 | 0.88″ | Cass County, MN |
| 22:37 | 0.75″ | Cheyenne County, NE |
| 23:18 | 0.75″ | Mitchell County, KS |
| 00:00 | 0.75″ | Grant County, NM |
| 11:13 | 0.75″ | Cass County, MN |
| 11:23 | 0.75″ | Cass County, MN |
| 11:25 | 0.75″ | Cass County, MN |
| 11:41 | 0.75″ | Cass County, MN |
Damage, injuries and deaths
National Weather Service offices recorded about $1 million in property damage and $1.5 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (115 events in 16 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Osborne County, KS | 1 | 0 | 0 | $250,000 |
| Clinton County, MI | 1 | 0 | 0 | $200,000 |
| Barry County, MI | 1 | 0 | 0 | $150,000 |
| Mecosta County, MI | 1 | 0 | 0 | $150,000 |
| Jackson County, MI | 1 | 0 | 0 | $100,000 |
| Polk County, IA | 8 | 0 | 0 | $72,000 |
| Jewell County, KS | 2 | 0 | 0 | $65,000 |
| Franklin County, OH | 1 | 0 | 0 | $20,000 |
| Gaston County, NC | 1 | 0 | 0 | $10,000 |
| Russell County, KS | 3 | 0 | 0 | $9,000 |
| Cook County, IL | 1 | 0 | 0 | $5,000 |
| Kalamazoo County, MI | 1 | 0 | 0 | $5,000 |
What the National Weather Service wrote
- Osborne County, KS (near Covert) · Hail 2.50″ · $250,000
“Hail ranging in size from quarters to tennis balls was reported.” - Clinton County, MI (near Bath) · Tornado EF0 · $200,000
“The majority of damage was concentrated in the last 1.5 miles of the path near Cutler Road to the intersection of Hollister and Round Lake Roads. Damage to trees and structures was common along the tornado path.” - Barry County, MI (near Cressery) · Tornado EF0 · $150,000
“An NWS storm survey confirmed that an EF-0 struck near Hickory Corners. Several trees and limbs were snapped on the northwest and northern ends of Little Long Lake in Barry county. Snapped trees also fell on a home.” - Mecosta County, MI (near Rustford) · Tornado EF0 · $150,000
“The tornado occurred over rural parts of Mecosta county. A manufactured home was destroyed at the start of the damage path near Washington Road and 137th Avenue. The tornado then snapped trees along Washington Road before lifting at 125th Avenue.” - Jackson County, MI (near Kibby Cobb) · Tornado EF0 · $100,000
“The tornado mostly had damage indicating 65 mph winds but reached 80 mph at its strongest point halfway through its life. It began at the western Jackson City limits north of the Cascades Golf Course and continued north-northeast to cross Washington Avenue.” - Jewell County, KS (near Mankato) · Thunderstorm wind 70 mph · $50,000
“Wind gusts estimated to be near 70 MPH resulted in tree limbs being downed in Mankato and a power pole being snapped near Montrose. In the Lovewell State Park area, a roof of an old radio communications building was torn off and nearby crops were damaged.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
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