On the map: every storm report logged this day.
On the map
Storm reports for August 15, 2001
On August 15, 2001, 9 hail, 30 damaging-wind and 0 tornado reports were logged across 6 states.
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← Aug 14, 2001 All 2001 storm days · August 2001 Aug 16, 2001 →
On August 15, 2001, 9 hail, 30 damaging-wind and 0 tornado reports were logged across 6 states. The largest hail reported was 1.25″ (half dollar size) in Itasca County, MN.
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 |
|---|---|---|---|---|
| OK | 1 | 22 | 0 | 0.75″ |
| AZ | 3 | 2 | 0 | 0.88″ |
| TX | 1 | 3 | 0 | 0.88″ |
| MN | 3 | 0 | 0 | 1.25″ |
| SD | 1 | 1 | 0 | 0.75″ |
| CO | 0 | 2 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Grand Rapids, MN | 11,244 | 1.25″ |
| Prescott, AZ | 48,224 | 0.88″ |
| Cloquet, MN | 12,475 | 0.75″ |
| Grove, OK | 7,327 | 0.75″ |
| Cohasset, MN | 2,723 | 0.75″ |
Hail reports (9)
| Time (UTC) | Size | Location |
|---|---|---|
| 20:18 | 1.25″ | Itasca County, MN |
| 22:50 | 0.88″ | Knox County, TX |
| 23:05 | 0.88″ | Yavapai County, AZ |
| 21:00 | 0.75″ | Itasca County, MN |
| 21:47 | 0.75″ | Pennington County, SD |
| 22:17 | 0.75″ | Carlton County, MN |
| 23:25 | 0.75″ | Delaware County, OK |
| 00:00 | 0.75″ | Yavapai County, AZ |
| 01:10 | 0.75″ | Yavapai County, AZ |
Damage, injuries and deaths
National Weather Service offices recorded about $27,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (39 events in 6 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Knox County, TX | 1 | 0 | 0 | $8,000 |
| Wise County, TX | 1 | 0 | 0 | $5,000 |
| Mayes County, OK | 1 | 0 | 0 | $3,000 |
| Payne County, OK | 2 | 0 | 0 | $3,000 |
| Tulsa County, OK | 1 | 0 | 0 | $3,000 |
| Murray County, OK | 1 | 0 | 0 | $2,000 |
| Craig County, OK | 1 | 0 | 0 | $1,000 |
| Pawnee County, OK | 1 | 0 | 0 | $1,000 |
| Parker County, TX | 1 | 0 | 0 | $1,000 |
What the National Weather Service wrote
- Knox County, TX (near Knox City) · Thunderstorm wind · $8,000
“Three to four-foot diameter trees were uprooted at a golf course. The roof was blown off a shed, and a barn was destroyed.” - Wise County, TX (near Chico) · Thunderstorm wind · $5,000
“A barn and some power lines were blown down by high winds.” - Mayes County, OK (near Spavinaw) · Thunderstorm wind 70 mph · $3,000
“Thunderstorms winds downed trees and power poles near Spavinaw and Chimney Rock.” - Tulsa County, OK (near Jenks) · Thunderstorm wind 70 mph · $3,000
“Thunderstorm winds estimated at 70 miles an hour blew a power pole down onto a building.” - Payne County, OK (near Stillwater) · Thunderstorm wind · $2,000
“Trees and power poles were downed at Stillwater Municipal Airport.” - Pawnee County, OK (near Terlton) · Thunderstorm wind 70 mph · $1,000
“Thunderstorm winds estimated at 70 miles an hour blew trees and power lines down.”
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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