On the map: every storm report logged this day.
On the map
Storm reports for October 20, 2018
On October 20, 2018, 3 hail, 10 damaging-wind and 1 tornado reports were logged across 5 states.
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On October 20, 2018, 3 hail, 10 damaging-wind and 1 tornado reports were logged across 5 states. The largest hail reported was 0.88″ (nickel size) in Clark County, NV.
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 |
|---|---|---|---|---|
| MI | 0 | 7 | 0 | – |
| OH | 0 | 3 | 0 | – |
| AZ | 2 | 0 | 0 | 0.88″ |
| NV | 1 | 0 | 0 | 0.88″ |
| NY | 0 | 0 | 1 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Peoria, AZ | 199,924 | 0.75″ |
Hail reports (3)
| Time (UTC) | Size | Location |
|---|---|---|
| 08:05 | 0.88″ | Clark County, NV |
| 09:30 | 0.88″ | Mohave County, AZ |
| 11:20 | 0.75″ | Maricopa County, AZ |
Damage, injuries and deaths
National Weather Service offices recorded about $115,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (14 events in 5 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Cuyahoga County, OH | 1 | 0 | 0 | $50,000 |
| Lake County, OH | 1 | 0 | 0 | $50,000 |
| Erie County, NY | 1 | 0 | 0 | $15,000 |
What the National Weather Service wrote
- Cuyahoga County, OH (near Westlake) · Thunderstorm wind 60 mph · $50,000
“Several trees and power lines were blown down. A tree was blown down causing damage to a home near Lakewood.” - Lake County, OH (near Lakeshore) · Thunderstorm wind 60 mph · $50,000
“There were multiple reports of trees and power lines blown down.” - Erie County, NY (near Orchard Park Arpt) · Tornado EF0 · $15,000
“A National Weather Service storm survey confirmed an EF-0 tornado. The first damage of note was a small tree on Greenmeadow Dr that was uprooted and downed to the southeast. Further east and southeast down the street, multiple hardwood limbs were broken off a tree and flung to the northeast.” - Macomb County, MI (near Washington) · Thunderstorm wind 60 mph
“Numerous large tree branches blown down.” - Washtenaw County, MI (near Ypsilanti) · Thunderstorm wind 60 mph
“A large tree was blown down onto a parked car.” - Livingston County, MI (near Hartland) · Thunderstorm wind 58 mph
“A boat was flipped over in Lake Tyrone from thunderstorm winds.”
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 October 20, 2018
National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF0), 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 |
|---|---|---|---|---|---|---|
| EF0 | 85 mph | 0.1 mi | 75 yd | 0 / 0 | 18:47–18:48 UTC | NWS Buffalo |
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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