On the map: every storm report logged this day.
On the map
Storm reports for May 18, 2008
On May 18, 2008, 9 hail, 11 damaging-wind and 1 tornado reports were logged across 7 states.
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On May 18, 2008, 9 hail, 11 damaging-wind and 1 tornado reports were logged across 7 states. The largest hail reported was 1.00″ (quarter size) in Hancock County, TN.
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 |
|---|---|---|---|---|
| TN | 4 | 7 | 1 | 1.00″ |
| AL | 2 | 1 | 0 | 1.00″ |
| MT | 0 | 2 | 0 | – |
| GA | 1 | 0 | 0 | 1.00″ |
| MD | 1 | 0 | 0 | 0.75″ |
| WV | 1 | 0 | 0 | 0.75″ |
| PA | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Cleveland, TN | 50,232 | 1.00″ |
| Summerville, GA | 4,421 | 1.00″ |
| Morristown, TN | 32,994 | 0.75″ |
| Bluefield, WV | 9,157 | 0.75″ |
| Bluefield, VA | 4,871 | 0.75″ |
Hail reports (9)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:25 | 1.00″ | Hancock County, TN |
| 23:16 | 1.00″ | Chattooga County, GA |
| 00:05 | 1.00″ | Bradley County, TN |
| 00:07 | 1.00″ | Franklin County, AL |
| 00:12 | 1.00″ | Franklin County, AL |
| 00:55 | 1.00″ | Bradley County, TN |
| 21:09 | 0.75″ | Baltimore County, MD |
| 22:40 | 0.75″ | Hamblen County, TN |
| 04:27 | 0.75″ | Mercer County, WV |
Damage, injuries and deaths
National Weather Service offices recorded about $51,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (21 events in 7 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Jefferson County, PA | 1 | 0 | 0 | $50,000 |
| DeKalb County, AL | 1 | 0 | 0 | $1,000 |
What the National Weather Service wrote
- Jefferson County, PA (near Brookville) · Thunderstorm wind 58 mph · $50,000
“Emergency management reported trees down on wires on South Main St in Brookeville, blocking the main access to Brookeville hospital.” - DeKalb County, AL (near High Pt) · Thunderstorm wind 70 mph · $1,000
“Severe thunderstorm winds snapped two oak trees at the Lil Mole Golf course. Dime size hail also covered the ground.” - Bradley County, TN (near Hopewell) · Thunderstorm wind 63 mph
“Several trees were downed in Cleveland in the vicinity of Frontage Road and Candies Creek Ridge Road.” - Valley County, MT (near Glasgow Intl Airport (Kggw)) · Thunderstorm wind 62 mph
“This report was taken from the Glasgow ASOS.” - Garfield County, MT (near Jordan Airport (Kjdn)) · Thunderstorm wind 60 mph
“This report was taken from the Jordan ASOS.” - Hamilton County, TN (near Birchwood) · Thunderstorm wind 58 mph
“Trees and power lines were reported down six miles south southwest of Dayton.”
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.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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