On the map: every storm report logged this day.
On the map
Storm reports for August 7, 1997
On August 7, 1997, 16 hail, 2 damaging-wind and 1 tornado reports were logged across 6 states.
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← Aug 6, 1997 All 1997 storm days · August 1997 Aug 8, 1997 →
On August 7, 1997, 16 hail, 2 damaging-wind and 1 tornado reports were logged across 6 states. The largest hail reported was 2.00″ (hen egg size) in Pondera County, MT.
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 |
|---|---|---|---|---|
| MT | 10 | 0 | 0 | 2.00″ |
| ID | 3 | 0 | 0 | 1.00″ |
| AZ | 1 | 1 | 0 | 1.75″ |
| FL | 1 | 1 | 0 | 1.00″ |
| OK | 1 | 0 | 0 | 1.00″ |
| CA | 0 | 0 | 1 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Hollywood, FL | 159,073 | 1.00″ |
| Hallandale Beach, FL | 43,043 | 1.00″ |
| Aventura, FL | 40,531 | 1.00″ |
| Dania Beach, FL | 33,076 | 1.00″ |
| West Park, FL | 15,641 | 1.00″ |
| Pembroke Park, FL | 6,544 | 1.00″ |
| Polson, MT | 5,631 | 0.75″ |
| Deer Lodge, MT | 3,006 | 0.75″ |
Hail reports (16)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:10 | 2.00″ | Pondera County, MT |
| 20:00 | 1.75″ | Flathead County, MT |
| 00:56 | 1.75″ | La Paz County, AZ |
| 20:30 | 1.00″ | Broward County, FL |
| 21:45 | 1.00″ | Powell County, MT |
| 22:58 | 1.00″ | Kay County, OK |
| 23:18 | 1.00″ | Custer County, ID |
| 23:45 | 1.00″ | Cascade County, MT |
| 01:00 | 1.00″ | Granite County, MT |
| 19:55 | 0.75″ | Cascade County, MT |
| 21:15 | 0.75″ | Ravalli County, MT |
| 22:05 | 0.75″ | Lake County, MT |
| 23:25 | 0.75″ | Lake County, MT |
| 01:30 | 0.75″ | Twin Falls County, ID |
| 02:20 | 0.75″ | Powell County, MT |
| 03:43 | 0.75″ | Clark County, ID |
Damage, injuries and deaths
National Weather Service offices recorded about $65,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (22 events in 6 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Seminole County, FL | 1 | 0 | 0 | $45,000 |
| Mohave County, AZ | 1 | 0 | 0 | $20,000 |
What the National Weather Service wrote
- Seminole County, FL (near Sanford) · Thunderstorm wind · $45,000
“Thunderstorm winds blew a large tree on to a house causing extensive damage.” - La Paz County, AZ (near Salome) · Hail 1.75″
“Golf ball sized hail significantly damaged crops.” - Broward County, FL (near Hollywood) · Hail 1.00″
“one half to one inch hail around US 1 and sheridan.” - Twin Falls County, ID (near (Twf)Twin Falls Arpt) · Hail 0.75″
“An evening thunderstorm produced 3/4 inch hail at the Twin Falls Airport. Minor street flooding also occurred in downtown Twin falls with this storm.” - San Bernardino County, CA (near Needles) · Tornado F0
“A Mohave County Deputy Sheriff sighted a tornado briefly touching down in open country near I-40.”
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.
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