On the map: every storm report logged this day.
On the map
Storm reports for August 16, 2011
On August 16, 2011, 4 hail, 8 damaging-wind and 0 tornado reports were logged across 8 states.
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On August 16, 2011, 4 hail, 8 damaging-wind and 0 tornado reports were logged across 8 states. The largest hail reported was 1.75″ (golf ball size) in Routt County, CO.
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 |
|---|---|---|---|---|
| CO | 2 | 1 | 0 | 1.75″ |
| KS | 0 | 2 | 0 | – |
| OK | 0 | 2 | 0 | – |
| UT | 1 | 0 | 0 | 1.00″ |
| NY | 1 | 0 | 0 | 1.00″ |
| AZ | 0 | 1 | 0 | – |
| FL | 0 | 1 | 0 | – |
| TX | 0 | 1 | 0 | – |
Hail reports (4)
| Time (UTC) | Size | Location |
|---|---|---|
| 20:46 | 1.75″ | Routt County, CO |
| 20:10 | 1.00″ | Daggett County, UT |
| 21:00 | 1.00″ | Clinton County, NY |
| 19:20 | 0.88″ | Jefferson County, CO |
Damage, injuries and deaths
National Weather Service offices recorded about $310,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (12 events in 8 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Pima County, AZ | 1 | 0 | 0 | $250,000 |
| Routt County, CO | 1 | 0 | 0 | $50,000 |
| Newton County, TX | 1 | 0 | 0 | $10,000 |
| Kay County, OK | 1 | 0 | 0 | $0 |
What the National Weather Service wrote
- Pima County, AZ (near Rillito) · Thunderstorm wind 69 mph · $250,000
“Thunderstorms winds in Marana downed numerous trees from the Dove Mountain Community to Continental Reserve. A few trees were downed on homes with only minor damage sustained to roofs. The most significant damage occurred along Ina Road where 18 power poles were downed.” - Routt County, CO (near Oak Creek) · Hail 1.75″ · $50,000
“Hail up to the size of golf balls was reported in Oak Creek.” - Newton County, TX (near Wiergate) · Thunderstorm wind 58 mph · $10,000
“Several trees were blown over near Burkeville during a severe thunderstorm.” - Kay County, OK (near Braman) · Thunderstorm wind 60 mph · $0
“A residence lost several shingles. Monetary damages were estimated.” - Indian River County, FL (near Indian River Shrs) · Thunderstorm wind 59 mph
“The Vero Beach ASOS measured a 51 knot gust as a severe thunderstorm moved through.” - Daggett County, UT (near Dutch John) · Hail 1.00″
“Hail to the size of quarters were reported in the Greendale area on the southern side of Flaming Gorge Reservoir.”
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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