On the map: every storm report logged this day.
On the map
Storm reports for August 7, 2002
On August 7, 2002, 4 hail, 8 damaging-wind and 0 tornado reports were logged across 3 states.
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← Aug 6, 2002 All 2002 storm days · August 2002 Aug 8, 2002 →
On August 7, 2002, 4 hail, 8 damaging-wind and 0 tornado reports were logged across 3 states. The largest hail reported was 1.75″ (golf ball size) in Campbell County, WY.
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 |
|---|---|---|---|---|
| WY | 1 | 3 | 0 | 1.75″ |
| MT | 3 | 1 | 0 | 0.88″ |
| SD | 0 | 4 | 0 | – |
Hail reports (4)
| Time (UTC) | Size | Location |
|---|---|---|
| 00:15 | 1.75″ | Campbell County, WY |
| 22:14 | 0.88″ | Silver Bow County, MT |
| 23:00 | 0.75″ | Jefferson County, MT |
| 23:32 | 0.75″ | Broadwater County, MT |
Damage, injuries and deaths
National Weather Service offices recorded about $15,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (12 events in 3 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Weston County, WY | 1 | 0 | 0 | $15,000 |
What the National Weather Service wrote
- Roosevelt County, MT (near Poplar) · Thunderstorm wind 60 mph
“60 mph wind gust toppled a 12 inch diameter tree north of Poplar.” - Jefferson County, MT (near Boulder) · Hail 0.75″
“A severe thunderstorm produced 0.75 inch hail in Boulder.” - Broadwater County, MT (near Winston) · Hail 0.75″
“A severe thunderstorm produced 0.75 inch hail in Winston.”
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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