On the map: every storm report logged this day.
On the map
Storm reports for June 18, 2018
On June 18, 2018, 65 hail, 217 damaging-wind and 6 tornado reports were logged across 24 states.
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On June 18, 2018, 65 hail, 217 damaging-wind and 6 tornado reports were logged across 24 states. The largest hail reported was 3.00″ (teacup size) in Boulder 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 | 57 | 3 | 0 | 3.00″ |
| NY | 0 | 56 | 0 | – |
| PA | 0 | 31 | 0 | – |
| MA | 2 | 27 | 0 | 1.00″ |
| NH | 0 | 16 | 2 | – |
| VT | 0 | 14 | 0 | – |
| KS | 0 | 14 | 0 | – |
| NE | 0 | 8 | 2 | – |
| NC | 0 | 8 | 0 | – |
| ME | 0 | 8 | 0 | – |
| MD | 0 | 6 | 0 | – |
| IA | 1 | 3 | 1 | 1.25″ |
| IN | 0 | 5 | 0 | – |
| UT | 2 | 2 | 0 | 1.25″ |
| VA | 0 | 4 | 0 | – |
| WI | 0 | 4 | 0 | – |
| WY | 3 | 0 | 0 | 0.88″ |
| NJ | 0 | 3 | 0 | – |
| MS | 0 | 0 | 1 | – |
| TX | 0 | 1 | 0 | – |
| SC | 0 | 1 | 0 | – |
| OH | 0 | 1 | 0 | – |
| CT | 0 | 1 | 0 | – |
| AR | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Louisville, CO | 20,811 | 3.00″ |
| Superior, CO | 13,654 | 3.00″ |
| Brighton, CO | 43,473 | 2.75″ |
| Thornton, CO | 146,689 | 2.50″ |
| Broomfield, CO | 78,323 | 2.50″ |
| Erie, CO | 38,594 | 2.50″ |
| Northglenn, CO | 38,287 | 2.50″ |
| Lafayette, CO | 30,587 | 2.50″ |
| Firestone, CO | 19,396 | 2.50″ |
| Frederick, CO | 17,937 | 2.50″ |
| Dacono, CO | 6,748 | 2.50″ |
| Arvada, CO | 121,873 | 2.00″ |
| Westminster, CO | 115,302 | 2.00″ |
| Boulder, CO | 106,803 | 2.00″ |
| Federal Heights, CO | 13,971 | 2.00″ |
| Berthoud, CO | 13,648 | 1.75″ |
| Lochbuie, CO | 8,599 | 1.75″ |
| Mead, CO | 6,735 | 1.75″ |
| West Jordan, UT | 116,688 | 1.25″ |
| Sandy, UT | 92,840 | 1.25″ |
| South Jordan, UT | 86,156 | 1.25″ |
| Riverton, UT | 46,680 | 1.25″ |
| Midvale, UT | 36,219 | 1.25″ |
| White City metro township, UT | 5,918 | 1.25″ |
| Millcreek, UT | 64,217 | 1.00″ |
Hail reports (65)
| Time (UTC) | Size | Location |
|---|---|---|
| 01:31 | 3.00″ | Boulder County, CO |
| 03:05 | 2.75″ | Adams County, CO |
| 01:00 | 2.50″ | Weld County, CO |
| 01:52 | 2.50″ | Boulder County, CO |
| 02:49 | 2.50″ | Adams County, CO |
| 18:05 | 2.00″ | Jefferson County, CO |
| 01:45 | 2.00″ | Boulder County, CO |
| 01:46 | 2.00″ | Boulder County, CO |
| 01:49 | 2.00″ | Boulder County, CO |
| 02:30 | 2.00″ | Adams County, CO |
| 02:47 | 2.00″ | Adams County, CO |
| 00:04 | 1.75″ | Boulder County, CO |
| 00:10 | 1.75″ | Boulder County, CO |
| 00:15 | 1.75″ | Boulder County, CO |
| 00:43 | 1.75″ | Weld County, CO |
| 00:51 | 1.75″ | Weld County, CO |
| 00:55 | 1.75″ | Weld County, CO |
| 01:18 | 1.75″ | Weld County, CO |
| 01:38 | 1.75″ | Boulder County, CO |
| 01:43 | 1.75″ | Boulder County, CO |
| 02:23 | 1.75″ | Jefferson County, CO |
| 02:47 | 1.75″ | Adams County, CO |
| 02:48 | 1.75″ | Adams County, CO |
| 03:21 | 1.75″ | Weld County, CO |
| 03:57 | 1.75″ | Washington County, CO |
| 04:33 | 1.75″ | Washington County, CO |
| 04:54 | 1.75″ | Washington County, CO |
| 00:08 | 1.50″ | Boulder County, CO |
| 00:51 | 1.50″ | Weld County, CO |
| 01:30 | 1.50″ | Weld County, CO |
| 01:45 | 1.50″ | Boulder County, CO |
| 01:57 | 1.50″ | Boulder County, CO |
| 02:23 | 1.50″ | Broomfield County, CO |
| 02:34 | 1.50″ | Broomfield County, CO |
| 03:39 | 1.50″ | Morgan County, CO |
| 17:30 | 1.25″ | Salt Lake County, UT |
| 20:05 | 1.25″ | Webster County, IA |
| 00:10 | 1.25″ | Boulder County, CO |
| 00:19 | 1.25″ | Weld County, CO |
| 01:40 | 1.25″ | Boulder County, CO |
| 18:45 | 1.00″ | Salt Lake County, UT |
| 21:16 | 1.00″ | Hampshire County, MA |
| 21:19 | 1.00″ | Franklin County, MA |
| 23:58 | 1.00″ | Boulder County, CO |
| 00:00 | 1.00″ | Boulder County, CO |
| 00:30 | 1.00″ | Adams County, CO |
| 00:32 | 1.00″ | Weld County, CO |
| 00:35 | 1.00″ | Boulder County, CO |
| 00:48 | 1.00″ | Weld County, CO |
| 01:11 | 1.00″ | Weld County, CO |
| 01:20 | 1.00″ | Boulder County, CO |
| 01:28 | 1.00″ | Boulder County, CO |
| 01:39 | 1.00″ | Boulder County, CO |
| 01:45 | 1.00″ | Boulder County, CO |
| 01:49 | 1.00″ | Boulder County, CO |
| 02:00 | 1.00″ | Weld County, CO |
| 02:27 | 1.00″ | Jefferson County, CO |
| 02:31 | 1.00″ | Broomfield County, CO |
| 02:35 | 1.00″ | Adams County, CO |
| 02:46 | 1.00″ | Adams County, CO |
| 04:13 | 1.00″ | Morgan County, CO |
| 23:05 | 0.88″ | Platte County, WY |
| 01:03 | 0.88″ | Goshen County, WY |
| 01:12 | 0.88″ | Goshen County, WY |
| 00:13 | 0.75″ | Weld County, CO |
Damage, injuries and deaths
National Weather Service offices recorded about $673,000 in property damage, 2 injuries and 1 death from hail, thunderstorm wind and tornadoes across the US on this storm day (288 events in 24 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Morris County, NJ | 1 | 1 | 1 | – |
| Dutchess County, NY | 1 | 1 | 0 | – |
| Washington County, VT | 2 | 0 | 0 | $102,000 |
| Lincoln County, MS | 1 | 0 | 0 | $75,000 |
| Middlesex County, MA | 7 | 0 | 0 | $60,000 |
| Sullivan County, NY | 5 | 0 | 0 | $55,000 |
| Bradford County, PA | 4 | 0 | 0 | $50,000 |
| Essex County, MA | 8 | 0 | 0 | $47,000 |
| Chautauqua County, NY | 5 | 0 | 0 | $26,000 |
| Franklin County, MA | 6 | 0 | 0 | $24,000 |
| Orange County, VT | 2 | 0 | 0 | $22,000 |
| Warren County, PA | 4 | 0 | 0 | $21,000 |
What the National Weather Service wrote
- Morris County, NJ (near Convent Station) · Thunderstorm wind 58 mph · 1 death · 1 injury
“One person died and One other person critically injured when a tree fell onto a moving car traveling on Ford Road. Person died on June 22, 2018.” - Dutchess County, NY (near Spackenkill) · Thunderstorm wind 58 mph · 1 injury
“One person was trapped and injured as a vacant building collapsed onto an occupied building.” - Washington County, VT (near Waitsfield) · Thunderstorm wind 81 mph · $100,000
“Multiple trees (3 to 4 dozen) snapped with barn destroyed and significant damage to other farm buildings. NWS survey conducted and determined to be a wet microburst.” - Lincoln County, MS (near Cam) · Tornado EF0 · $75,000
“A brief, weak landspout tornado occurred east of Brookhaven. It began just south of Sycamore Trail and moved north, parallel to Nalco Lane. Large tree limbs were broken off softwood trees along Sycamore Trail, and a small tree was uprooted.” - Middlesex County, MA (near Westford) · Thunderstorm wind 58 mph · $25,000
“At 5:30 PM EST at tree fell into a house on Sequoia Road in Westford.” - Chittenden County, VT (near Hinesburg) · Thunderstorm wind 63 mph · $20,000
“Several reports of trees and utility lines down across Hinesburg, including Baldwin and Drinkwater roads.”
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 June 18, 2018
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF0), 1 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 |
|---|---|---|---|---|---|---|
| EF0 | 70 mph | 0.7 mi | 25 yd | 0 / 0 | 19:57–20:01 UTC | NWS Jackson, MS |
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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