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Hail and tornado reports for May 20, 2007
21 hail reports in 7 states on May 20, 2007. The largest stones measured 1.75 in (golf ball) near Dunken, NM. 1 tornado reports on this day. 4 damaging thunderstorm wind reports on this day.
Montana 7 hail reports
| Time | Hail size | Where |
|---|---|---|
| 17:00 MDT | 1 in quarter | Hedgesville, Wheatland |
| 18:38 MDT | 0.75 in penny | Shawmut, Wheatland |
| 19:37 MDT | 1 in quarter | Roundup, Musselshell |
| 19:37 MDT | 1 in quarter | Roundup, Musselshell |
| 20:45 MDT | 0.88 in nickel | Sand Spgs, Garfield |
| 21:30 MDT | 1 in quarter | Jordan, Garfield |
| 21:32 MDT | 0.88 in nickel | Jordan, Garfield |
Nebraska 1 hail report
| Time | Hail size | Where |
|---|---|---|
| 16:33 MDT | 0.75 in penny | Agate, Sioux |
New Mexico 1 hail report
| Time | Hail size | Where |
|---|---|---|
| 14:40 MDT | 1.75 in golf ball | Dunken, Chaves |
Oregon 1 hail report
| Time | Hail size | Where |
|---|---|---|
| 22:00 PDT | 0.5 in marble | Sandy, Clackamas 9 mi from Damascus |
South Dakota 9 hail reports
| Time | Hail size | Where |
|---|---|---|
| 13:35 MDT | 0.75 in penny | Johnson Siding, Pennington 8 mi from Blackhawk |
| 13:40 MDT | 1 in quarter | Hisega, Pennington 8 mi from Blackhawk |
| 14:03 MDT | 0.88 in nickel | Rapid City, Pennington 1 mi from Rapid City |
| 14:20 MDT | 0.88 in nickel | Rapid City, Pennington 4 mi from Rapid City |
| 15:15 MDT | 0.75 in penny | Rapid City, Pennington 10 mi from Rapid Valley |
| 15:25 MDT | 1 in quarter | Farmingdale, Pennington 13 mi from Box Elder |
| 15:44 MDT | 0.88 in nickel | Farmingdale, Pennington |
| 16:05 MDT | 0.75 in penny | Farmingdale, Pennington |
| 18:30 MDT | 1.75 in golf ball | Kyle, Oglala Lakota |
Texas 1 hail report
| Time | Hail size | Where |
|---|---|---|
| 20:28 CDT | 0.88 in nickel | Fort Davis, Jeff Davis |
Wyoming 1 hail report
| Time | Hail size | Where |
|---|---|---|
| 13:35 MDT | 1 in quarter | Cheyenne, Laramie 5 mi from South Greeley |
Times are local time at each report's location.