On the map: every storm report logged this day.
On the map
Storm reports for May 1, 2018
On May 1, 2018, 148 hail, 15 damaging-wind and 11 tornado reports were logged across 6 states.
FreeNo accountNo phone numberWe don’t keep the address
· As you type, the text is sent to Google to suggest addresses.IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← Apr 30, 2018 All 2018 storm days · May 2018 May 2, 2018 →
On May 1, 2018, 148 hail, 15 damaging-wind and 11 tornado reports were logged across 6 states. The largest hail reported was 4.00″ (grapefruit size) in Butler County, NE.
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 | 64 | 7 | 8 | 4.00″ |
| IA | 39 | 4 | 0 | 2.00″ |
| NE | 35 | 4 | 3 | 4.00″ |
| CO | 7 | 0 | 0 | 1.50″ |
| CA | 2 | 0 | 0 | 1.00″ |
| SD | 1 | 0 | 0 | 0.88″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Nevada, IA | 7,082 | 2.00″ |
| Hastings, NE | 25,152 | 1.75″ |
| Madrid, IA | 2,824 | 1.75″ |
| Ames, IA | 69,026 | 1.50″ |
| Yuma, CO | 3,472 | 1.50″ |
| Firestone, CO | 19,396 | 1.00″ |
| Frederick, CO | 17,937 | 1.00″ |
| Sioux Center, IA | 8,675 | 1.00″ |
| Dacono, CO | 6,748 | 1.00″ |
| Russell, KS | 4,325 | 1.00″ |
| Fairbury, NE | 3,858 | 1.00″ |
| Sioux Falls, SD | 209,289 | 0.88″ |
| Longmont, CO | 99,818 | 0.88″ |
| West Des Moines, IA | 73,664 | 0.88″ |
| Grand Island, NE | 53,250 | 0.88″ |
| Urbandale, IA | 47,759 | 0.88″ |
| Altoona, IA | 22,598 | 0.88″ |
| Clive, IA | 19,508 | 0.88″ |
| Pleasant Hill, IA | 11,942 | 0.88″ |
| Harrisburg, SD | 10,203 | 0.88″ |
| Bondurant, IA | 9,511 | 0.88″ |
| Windsor Heights, IA | 5,106 | 0.88″ |
Hail reports (148)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:48 | 4.00″ | Butler County, NE |
| 22:42 | 4.00″ | Barton County, KS |
| 01:30 | 4.00″ | Ottawa County, KS |
| 21:48 | 2.75″ | Butler County, NE |
| 22:36 | 2.75″ | Barton County, KS |
| 23:56 | 2.75″ | Lincoln County, KS |
| 22:09 | 2.50″ | Rush County, KS |
| 22:12 | 2.50″ | Barton County, KS |
| 00:29 | 2.50″ | Gage County, NE |
| 21:50 | 2.00″ | Adams County, NE |
| 21:51 | 2.00″ | Butler County, NE |
| 21:59 | 2.00″ | Butler County, NE |
| 22:46 | 2.00″ | Story County, IA |
| 23:07 | 2.00″ | Russell County, KS |
| 23:10 | 2.00″ | Mitchell County, KS |
| 23:55 | 2.00″ | Humboldt County, IA |
| 01:35 | 2.00″ | Lincoln County, KS |
| 02:29 | 2.00″ | Ottawa County, KS |
| 20:40 | 1.75″ | Smith County, KS |
| 21:00 | 1.75″ | Polk County, NE |
| 21:25 | 1.75″ | Webster County, NE |
| 21:30 | 1.75″ | Adams County, NE |
| 21:30 | 1.75″ | Webster County, NE |
| 21:30 | 1.75″ | Adams County, NE |
| 21:40 | 1.75″ | Hamilton County, NE |
| 21:49 | 1.75″ | Dallas County, IA |
| 21:50 | 1.75″ | Rush County, KS |
| 21:51 | 1.75″ | Butler County, NE |
| 21:55 | 1.75″ | Hamilton County, NE |
| 22:00 | 1.75″ | Butler County, NE |
| 22:00 | 1.75″ | Clay County, NE |
| 22:05 | 1.75″ | Rush County, KS |
| 22:09 | 1.75″ | Boone County, IA |
| 22:16 | 1.75″ | Butler County, NE |
| 22:17 | 1.75″ | Osborne County, KS |
| 22:21 | 1.75″ | Barton County, KS |
| 22:30 | 1.75″ | Buena Vista County, IA |
| 22:46 | 1.75″ | Pocahontas County, IA |
| 23:01 | 1.75″ | Barton County, KS |
| 23:06 | 1.75″ | Edwards County, KS |
| 23:22 | 1.75″ | Russell County, KS |
| 01:00 | 1.75″ | Clay County, KS |
| 01:19 | 1.75″ | Lincoln County, KS |
| 01:40 | 1.75″ | Ottawa County, KS |
| 02:02 | 1.75″ | Mitchell County, KS |
| 03:55 | 1.75″ | Riley County, KS |
| 20:18 | 1.50″ | Ellis County, KS |
| 21:23 | 1.50″ | Cherokee County, IA |
| 21:36 | 1.50″ | Cherokee County, IA |
| 21:58 | 1.50″ | Rush County, KS |
| 22:00 | 1.50″ | Buena Vista County, IA |
| 22:06 | 1.50″ | Boone County, IA |
| 22:29 | 1.50″ | Story County, IA |
| 22:30 | 1.50″ | Story County, IA |
| 22:34 | 1.50″ | Buena Vista County, IA |
| 22:42 | 1.50″ | Burt County, NE |
| 22:54 | 1.50″ | Pocahontas County, IA |
| 23:28 | 1.50″ | Ellsworth County, KS |
| 23:42 | 1.50″ | Yuma County, CO |
| 23:44 | 1.50″ | Humboldt County, IA |
| 23:48 | 1.50″ | Humboldt County, IA |
| 00:40 | 1.50″ | Comanche County, KS |
| 02:06 | 1.50″ | Lincoln County, KS |
| 20:15 | 1.25″ | Phillips County, KS |
| 21:04 | 1.25″ | Webster County, NE |
| 21:40 | 1.25″ | Cherokee County, IA |
| 22:01 | 1.25″ | Russell County, KS |
| 22:10 | 1.25″ | Adams County, NE |
| 22:12 | 1.25″ | Russell County, KS |
| 22:15 | 1.25″ | Buena Vista County, IA |
| 22:22 | 1.25″ | Story County, IA |
| 22:27 | 1.25″ | Dodge County, NE |
| 22:30 | 1.25″ | Pocahontas County, IA |
| 22:35 | 1.25″ | Buena Vista County, IA |
| 22:37 | 1.25″ | Pawnee County, KS |
| 22:54 | 1.25″ | Osborne County, KS |
| 22:55 | 1.25″ | Edwards County, KS |
| 23:09 | 1.25″ | Washington County, CO |
| 23:53 | 1.25″ | Humboldt County, IA |
| 20:04 | 1.00″ | Weld County, CO |
| 20:38 | 1.00″ | Smith County, KS |
| 21:00 | 1.00″ | Colfax County, NE |
| 21:03 | 1.00″ | Ellis County, KS |
| 21:18 | 1.00″ | Adams County, NE |
| 21:20 | 1.00″ | Russell County, KS |
| 21:25 | 1.00″ | Pawnee County, KS |
| 21:25 | 1.00″ | Guthrie County, IA |
| 21:29 | 1.00″ | Colfax County, NE |
| 21:37 | 1.00″ | Rush County, KS |
| 21:42 | 1.00″ | Jewell County, KS |
| 21:45 | 1.00″ | Russell County, KS |
| 21:45 | 1.00″ | Dallas County, IA |
| 21:45 | 1.00″ | Rush County, KS |
| 21:52 | 1.00″ | Boone County, IA |
| 21:54 | 1.00″ | Polk County, NE |
| 22:05 | 1.00″ | Edwards County, KS |
| 22:15 | 1.00″ | Story County, IA |
| 22:18 | 1.00″ | Nuckolls County, NE |
| 22:20 | 1.00″ | Edwards County, KS |
| 22:25 | 1.00″ | Osborne County, KS |
| 22:25 | 1.00″ | Clay County, NE |
| 22:27 | 1.00″ | Story County, IA |
| 22:30 | 1.00″ | Story County, IA |
| 22:30 | 1.00″ | Rush County, KS |
| 22:35 | 1.00″ | Edwards County, KS |
| 22:39 | 1.00″ | Dodge County, NE |
| 22:45 | 1.00″ | Story County, IA |
| 22:45 | 1.00″ | Mitchell County, KS |
| 22:57 | 1.00″ | Washington County, CO |
| 23:01 | 1.00″ | Dodge County, NE |
| 23:22 | 1.00″ | Stafford County, KS |
| 23:25 | 1.00″ | Clark County, KS |
| 23:30 | 1.00″ | Russell County, KS |
| 23:36 | 1.00″ | Yuma County, CO |
| 23:41 | 1.00″ | Jefferson County, NE |
| 23:42 | 1.00″ | Yuma County, CO |
| 23:48 | 1.00″ | Jefferson County, NE |
| 23:59 | 1.00″ | Comanche County, KS |
| 00:19 | 1.00″ | Sioux County, IA |
| 00:59 | 1.00″ | Russell County, KS |
| 01:15 | 1.00″ | Lincoln County, KS |
| 01:25 | 1.00″ | Tuolumne County, CA |
| 01:33 | 1.00″ | Lincoln County, KS |
| 02:14 | 1.00″ | Mitchell County, KS |
| 02:35 | 1.00″ | Mitchell County, KS |
| 02:56 | 1.00″ | Ottawa County, KS |
| 12:25 | 0.88″ | Polk County, IA |
| 13:00 | 0.88″ | Polk County, IA |
| 19:30 | 0.88″ | Boulder County, CO |
| 21:18 | 0.88″ | Hall County, NE |
| 21:20 | 0.88″ | Pawnee County, KS |
| 21:30 | 0.88″ | Russell County, KS |
| 21:47 | 0.88″ | Jewell County, KS |
| 22:08 | 0.88″ | Adams County, NE |
| 23:24 | 0.88″ | Marshall County, IA |
| 00:18 | 0.88″ | Lincoln County, KS |
| 00:20 | 0.88″ | Sioux County, IA |
| 00:26 | 0.88″ | O'Brien County, IA |
| 00:26 | 0.88″ | O'Brien County, IA |
| 00:48 | 0.88″ | Sioux County, IA |
| 02:05 | 0.88″ | El Dorado County, CA |
| 03:18 | 0.88″ | Lincoln County, SD |
| 21:12 | 0.75″ | Smith County, KS |
| 21:31 | 0.75″ | Guthrie County, IA |
| 22:55 | 0.75″ | Pocahontas County, IA |
| 00:10 | 0.75″ | Jefferson County, NE |
| 00:29 | 0.75″ | Cedar County, NE |
| 00:55 | 0.75″ | Russell County, KS |
Damage, injuries and deaths
National Weather Service offices recorded about $6.3 million in property damage and $1 million in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (176 events in 6 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Adams County, NE | 2 | 0 | 0 | $5.2 million |
| Hamilton County, NE | 2 | 0 | 0 | $200,000 |
| Webster County, NE | 2 | 0 | 0 | $175,000 |
| Clay County, NE | 1 | 0 | 0 | $150,000 |
| Polk County, NE | 1 | 0 | 0 | $150,000 |
| Saline County, KS | 1 | 0 | 0 | $100,000 |
| Story County, IA | 6 | 0 | 0 | $55,000 |
| Mitchell County, KS | 2 | 0 | 0 | $50,000 |
| Smith County, KS | 1 | 0 | 0 | $50,000 |
| Humboldt County, IA | 4 | 0 | 0 | $40,000 |
| Pocahontas County, IA | 3 | 0 | 0 | $35,000 |
| Union County, IA | 1 | 0 | 0 | $30,000 |
What the National Weather Service wrote
- Adams County, NE (near Hastings) · Hail 1.75″ · $5 million
“Half dollar to golf ball size hail was reported.” - Polk County, NE (near Shelby) · Hail 1.75″ · $150,000
“Quarter to golf ball size hail was reported.” - Hamilton County, NE (near Marquette) · Hail 1.75″ · $150,000
“Quarter to golf ball size hail was reported.” - Saline County, KS (near Glendale) · Tornado EF1 · $100,000
“A supercell thunderstorm produced a tornado, across northern portions of Saline county, Kansas, 7 miles northwest of Salina, Kansas. When the tornado touched down, it produced damage to a metal barn. Part of the roof had been blown off and some of the side walls had been blown out.” - Hamilton County, NE (near Murphy) · Tornado EF0 · $50,000
“A nearly stationary landspout tornado occurred northwest of Aurora. This EF-0 tornado had a maximum wind speed estimated to be 70 MPH, which was based upon damage to a center irrigation pivot which was overturned. Several people witnessed this tornado.” - Union County, IA (near Creston Arpt) · Thunderstorm wind 64 mph · $30,000
“Emergency manager reported two barns damaged west of Creston.”
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.
NWS Tornado Damage Surveys for May 1, 2018
National Weather Service survey teams mapped 8 tornado paths from this storm day (1 EF3, 3 EF1, 4 EF0), 60 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF3 | 140 mph | 14.5 mi | 880 yd | 0 / 0 | 00:41–01:10 UTC | NWS ICT, |
| EF1 | 90 mph | 12.0 mi | 50 yd | 0 / 0 | 01:56–02:15 UTC | NWS Topeka |
| EF1 | 95 mph | 9.3 mi | 225 yd | 0 / 0 | 23:59–00:20 UTC | NWS Topeka |
| EF1 | 100 mph | 8.2 mi | 200 yd | 0 / 0 | 00:49–01:08 UTC | NWS Topeka |
| EF0 | 80 mph | 7.9 mi | 30 yd | 0 / 0 | 00:15–00:39 UTC | NWS Topeka |
| EF0 | 60 mph | 3.5 mi | 125 yd | 0 / 0 | 22:44–22:50 UTC | NWS Topeka |
| EF0 | 70 mph | 2.9 mi | 75 yd | 0 / 0 | 22:50–22:54 UTC | NWS GID, |
| EF0 | 75 mph | 2.0 mi | 25 yd | 0 / 0 | 21:50–22:00 UTC | NWS Hastings |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
Hail check for any US address
Every day since October 2019 that radar estimated hail near the address, free.
Guide: How to check if it hailed at your address · Free hail alerts by email · As you type, the text is sent to Google to suggest addresses.