On the map: every storm report logged this day.
On the map
Storm reports for May 8, 2017
On May 8, 2017, 70 hail, 2 damaging-wind and 2 tornado reports were logged across 6 states.
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On May 8, 2017, 70 hail, 2 damaging-wind and 2 tornado reports were logged across 6 states. The largest hail reported was 2.75″ (baseball size) in Jefferson County, CO.
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 |
|---|---|---|---|---|
| CO | 49 | 0 | 1 | 2.75″ |
| NM | 15 | 1 | 1 | 1.75″ |
| IA | 3 | 0 | 0 | 1.50″ |
| MN | 2 | 0 | 0 | 0.88″ |
| WY | 1 | 0 | 0 | 0.88″ |
| NV | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Lakewood, CO | 156,868 | 2.75″ |
| Wheat Ridge, CO | 31,999 | 2.75″ |
| Edgewater, CO | 4,880 | 2.75″ |
| Golden, CO | 20,151 | 2.00″ |
| Arvada, CO | 121,873 | 1.75″ |
| Glendale, CO | 4,465 | 1.75″ |
| Aurora, CO | 403,130 | 1.50″ |
| Loveland, CO | 81,102 | 1.50″ |
| Clear Lake, IA | 7,602 | 1.50″ |
| Denver, CO | 729,019 | 1.00″ |
| Westminster, CO | 115,302 | 1.00″ |
| Greeley, CO | 114,363 | 1.00″ |
| Santa Fe, NM | 90,551 | 1.00″ |
| Broomfield, CO | 78,323 | 1.00″ |
| Roswell, NM | 47,176 | 1.00″ |
| Brighton, CO | 43,473 | 1.00″ |
| Northglenn, CO | 38,287 | 1.00″ |
| Englewood, CO | 35,238 | 1.00″ |
| Evans, CO | 22,394 | 1.00″ |
| Federal Heights, CO | 13,971 | 1.00″ |
| Lochbuie, CO | 8,599 | 1.00″ |
| Cherry Hills Village, CO | 6,349 | 1.00″ |
| Sheridan, CO | 5,932 | 1.00″ |
| Evanston, WY | 11,691 | 0.88″ |
Hail reports (70)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:05 | 2.75″ | Jefferson County, CO |
| 21:04 | 2.50″ | Jefferson County, CO |
| 21:06 | 2.50″ | Denver County, CO |
| 20:50 | 2.00″ | Jefferson County, CO |
| 20:52 | 2.00″ | Jefferson County, CO |
| 21:04 | 2.00″ | Denver County, CO |
| 21:20 | 2.00″ | Arapahoe County, CO |
| 21:29 | 2.00″ | Jefferson County, CO |
| 21:30 | 2.00″ | Jefferson County, CO |
| 20:22 | 1.75″ | Huerfano County, CO |
| 20:45 | 1.75″ | Jefferson County, CO |
| 20:52 | 1.75″ | Jefferson County, CO |
| 20:53 | 1.75″ | Jefferson County, CO |
| 21:00 | 1.75″ | Pueblo County, CO |
| 21:03 | 1.75″ | Jefferson County, CO |
| 21:05 | 1.75″ | Jefferson County, CO |
| 21:16 | 1.75″ | Denver County, CO |
| 21:20 | 1.75″ | Denver County, CO |
| 23:15 | 1.75″ | Quay County, NM |
| 23:25 | 1.75″ | Harding County, NM |
| 01:14 | 1.75″ | Las Animas County, CO |
| 20:57 | 1.50″ | Arapahoe County, CO |
| 21:01 | 1.50″ | Larimer County, CO |
| 21:27 | 1.50″ | Denver County, CO |
| 22:44 | 1.50″ | De Baca County, NM |
| 22:59 | 1.50″ | De Baca County, NM |
| 02:35 | 1.50″ | Cerro Gordo County, IA |
| 20:40 | 1.25″ | Jefferson County, CO |
| 20:48 | 1.25″ | Jefferson County, CO |
| 21:15 | 1.25″ | Arapahoe County, CO |
| 22:50 | 1.25″ | Lincoln County, CO |
| 23:25 | 1.25″ | Harding County, NM |
| 20:00 | 1.00″ | Las Animas County, CO |
| 20:30 | 1.00″ | Jefferson County, CO |
| 20:52 | 1.00″ | Jefferson County, CO |
| 20:55 | 1.00″ | Jefferson County, CO |
| 21:00 | 1.00″ | Pueblo County, CO |
| 21:05 | 1.00″ | Denver County, CO |
| 21:09 | 1.00″ | Jefferson County, CO |
| 21:15 | 1.00″ | Denver County, CO |
| 21:15 | 1.00″ | Denver County, CO |
| 21:25 | 1.00″ | Adams County, CO |
| 21:27 | 1.00″ | Adams County, CO |
| 21:30 | 1.00″ | Weld County, CO |
| 21:45 | 1.00″ | Adams County, CO |
| 21:47 | 1.00″ | Weld County, CO |
| 22:05 | 1.00″ | Pueblo County, CO |
| 22:18 | 1.00″ | De Baca County, NM |
| 22:32 | 1.00″ | De Baca County, NM |
| 22:35 | 1.00″ | De Baca County, NM |
| 23:00 | 1.00″ | Otero County, CO |
| 23:00 | 1.00″ | Pueblo County, CO |
| 23:42 | 1.00″ | San Miguel County, NM |
| 02:03 | 1.00″ | Guadalupe County, NM |
| 02:12 | 1.00″ | Chaves County, NM |
| 02:40 | 1.00″ | Cerro Gordo County, IA |
| 02:40 | 1.00″ | Cerro Gordo County, IA |
| 04:12 | 1.00″ | Guadalupe County, NM |
| 07:30 | 1.00″ | Santa Fe County, NM |
| 21:00 | 0.88″ | Jefferson County, CO |
| 22:06 | 0.88″ | De Baca County, NM |
| 22:18 | 0.88″ | Pueblo County, CO |
| 22:33 | 0.88″ | Uinta County, WY |
| 00:35 | 0.88″ | Blue Earth County, MN |
| 00:45 | 0.88″ | Otero County, CO |
| 22:46 | 0.75″ | Pueblo County, CO |
| 00:52 | 0.75″ | Blue Earth County, MN |
| 00:54 | 0.75″ | Las Animas County, CO |
| 00:58 | 0.75″ | Otero County, CO |
| 04:09 | 0.75″ | Guadalupe County, NM |
Damage, injuries and deaths
National Weather Service offices recorded about $2.3 billion in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (74 events in 6 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Jefferson County, CO | 1 | 0 | 0 | $2.3 billion |
| Santa Fe County, NM | 1 | 0 | 0 | $100,000 |
| Eddy County, NM | 1 | 0 | 0 | $0 |
What the National Weather Service wrote
- Jefferson County, CO (near Edgewater) · Hail 2.75″ · $2.3 billion
“The estimated damage is for the entire episode.” - Santa Fe County, NM (near Agua Fria) · Hail 1.00″ · $100,000
“Many residents of Santa Fe awaken by a severe storm with heavy rain and hail to the size of quarters or larger. Damage occurred to vehicles, roofs, skylights, and trees were stripped of leaves. Damages are estimated.” - Eddy County, NM (near Artesia) · Thunderstorm wind 75 mph · $0
“A thunderstorm moved across Eddy County and produced wind damage west of Artesia. A large cottonwood tree was uprooted between 515 and 530 pm MDT. The cost of damage is a very rough estimate.” - Huerfano County, CO (near Farisita) · Tornado EF1
“The brief mesocyclone tornado occurred at 11,300 feet ASL. It snapped off and uprooted dozens of conifers as moved northwest and crossed Forest Road 369.” - Quay County, NM (near House) · Hail 1.75″
“Hail up to the size of golf balls west of House.” - Harding County, NM (near Roy) · Hail 1.75″
“Hail up to the size of golf balls in Roy.”
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 8, 2017
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF1), 0 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 |
|---|---|---|---|---|---|---|
| EF1 | 100 mph | 0.2 mi | 100 yd | 0 / 0 | 20:24–20:25 UTC | NWS Pueblo |
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
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