Storm Events Database
- Data Access
- Search
- FTP Access
- Database Download
- Storm Data Publication
- Documentation
- Storm Data FAQ
- Storm Data Preparation
- Tornado EF Scale
- External Resources
- NOAA's SPC Reports
- NOAA's SPC WCM Page
- SHELDUS
Storm Events Database
Event Details
| Event | Tornado |
| -- Scale | EF1 |
| -- Length | 3.14 |
| -- Width | 25 |
| State | MINNESOTA |
| County/Area | WRIGHT |
| WFO | MPX |
| Begin Date | 05/10/2011 18:55:00 CST-6 |
| Begin Range | 2 |
| Begin Azimuth | W |
| Begin Location | HANOVER |
| Begin Lat/Lon | 45.17/-93.7 |
| End Date | 05/10/2011 19:01:00 CST-6 |
| End Range | 1 |
| End Azimuth | WSW |
| End Location | ST MICHAEL |
| End Lat/Lon | 45.22/-93.69 |
| Deaths Direct/Indirect | 0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect | 0/0 |
| Property Damage | 500.00K |
| Crop Damage | 0.00K |
| Episode Narrative | During the late afternoon of Tuesday, May 10th, a line of severe thunderstorms developed along the leading edge of a strong dry line moving across southern and central Minnesota. Once the thunderstorms developed, several became super cells and produced large hail across portions of the Twin Cities metro area, then northwest along the Mississippi River valley, and north to Mille Lacs Lake. Numerous reports of golf ball size hail occurred with these storms, along with an isolated tornado near St. Michael, Minnesota. |
| Event Narrative | One home lost part of its roof, and others lost shingles. Several homes had windows blown in. Several dozen trees and a number of power poles were broken or knocked down. Siding and soffits were ripped off a few houses. Numerous backyard fences were blown over. A pole barn was lifted up about three feet before being set back down. The tornado was photographed and videotaped by several people. The condensation funnel was not fully extended, and the debris cloud never extended as high as the condensation funnel. The tornado was a marginal EF-1, with winds near 90 mph. |
All events for this episode:
| Location | County/Zone | St. | Date | Time | T.Z. | Type | Mag | Dth | Inj | PrD | CrD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Totals: | 0 | 0 | 500.00K | 0.00K | |||||||
| BOWLUS | MORRISON CO. | MN | 05/10/2011 | 17:27 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| ST JOSEPH | STEARNS CO. | MN | 05/10/2011 | 17:30 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| BOWLUS | MORRISON CO. | MN | 05/10/2011 | 17:38 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| ST JOSEPH | STEARNS CO. | MN | 05/10/2011 | 17:43 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| ST JOSEPH | STEARNS CO. | MN | 05/10/2011 | 17:44 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| CLEAR LAKE | SHERBURNE CO. | MN | 05/10/2011 | 18:04 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| CLEAR LAKE | SHERBURNE CO. | MN | 05/10/2011 | 18:05 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| ELLENDALE | STEELE CO. | MN | 05/10/2011 | 18:09 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| JAKEVILLE | BENTON CO. | MN | 05/10/2011 | 18:13 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| BUFFALO MUNI ARPT | WRIGHT CO. | MN | 05/10/2011 | 18:20 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| MERRIAM | SCOTT CO. | MN | 05/10/2011 | 18:33 | CST-6 | Hail | 0.88 in. | 0 | 0 | 0.00K | 0.00K |
| FOLEY | BENTON CO. | MN | 05/10/2011 | 18:35 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ST MICHAEL | WRIGHT CO. | MN | 05/10/2011 | 18:36 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| ST MICHAEL | WRIGHT CO. | MN | 05/10/2011 | 18:38 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| CHASKA | CARVER CO. | MN | 05/10/2011 | 18:40 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| FOLEY | BENTON CO. | MN | 05/10/2011 | 18:43 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| CHASKA | CARVER CO. | MN | 05/10/2011 | 18:43 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| CHANHASSEN | CARVER CO. | MN | 05/10/2011 | 18:48 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| OAK PARK | BENTON CO. | MN | 05/10/2011 | 18:50 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| EDEN PRAIRIE | HENNEPIN CO. | MN | 05/10/2011 | 18:52 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| CHANHASSEN | HENNEPIN CO. | MN | 05/10/2011 | 18:53 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| OAK PARK | BENTON CO. | MN | 05/10/2011 | 18:54 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| HANOVER | WRIGHT CO. | MN | 05/10/2011 | 18:55 | CST-6 | Tornado | EF1 | 0 | 0 | 500.00K | 0.00K |
| EDEN PRAIRIE | HENNEPIN CO. | MN | 05/10/2011 | 18:55 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| EDEN PRAIRIE | HENNEPIN CO. | MN | 05/10/2011 | 18:56 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ST MICHAEL | WRIGHT CO. | MN | 05/10/2011 | 18:58 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| RONNEBY | BENTON CO. | MN | 05/10/2011 | 18:58 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| CHANHASSEN | CARVER CO. | MN | 05/10/2011 | 18:58 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ELK RIVER | SHERBURNE CO. | MN | 05/10/2011 | 19:00 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| FLYING CLOUD ARPT | HENNEPIN CO. | MN | 05/10/2011 | 19:03 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| EDINA | HENNEPIN CO. | MN | 05/10/2011 | 19:03 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| EDEN PRAIRIE | HENNEPIN CO. | MN | 05/10/2011 | 19:03 | CST-6 | Hail | 1.25 in. | 0 | 0 | 0.00K | 0.00K |
| EDEN PRAIRIE | HENNEPIN CO. | MN | 05/10/2011 | 19:05 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| WEBSTER | RICE CO. | MN | 05/10/2011 | 19:07 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| RICHFIELD | HENNEPIN CO. | MN | 05/10/2011 | 19:10 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| EDINA | HENNEPIN CO. | MN | 05/10/2011 | 19:10 | CST-6 | Hail | 1.90 in. | 0 | 0 | 0.00K | 0.00K |
| OTSEGO | WRIGHT CO. | MN | 05/10/2011 | 19:13 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| HOPKINS | HENNEPIN CO. | MN | 05/10/2011 | 19:15 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| ALBERTVILLE | WRIGHT CO. | MN | 05/10/2011 | 19:15 | CST-6 | Hail | 2.75 in. | 0 | 0 | 0.00K | 0.00K |
| OAK PARK | BENTON CO. | MN | 05/10/2011 | 19:15 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| EDINA | HENNEPIN CO. | MN | 05/10/2011 | 19:20 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ZIMMERMAN | SHERBURNE CO. | MN | 05/10/2011 | 19:24 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| ST LOUIS PARK | HENNEPIN CO. | MN | 05/10/2011 | 19:25 | CST-6 | Funnel Cloud | 0 | 0 | 0.00K | 0.00K | |
| MINNEAPOLIS | HENNEPIN CO. | MN | 05/10/2011 | 19:25 | CST-6 | Hail | 0.88 in. | 0 | 0 | 0.00K | 0.00K |
| ELK RIVER | SHERBURNE CO. | MN | 05/10/2011 | 19:25 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| GOLDEN VLY | HENNEPIN CO. | MN | 05/10/2011 | 19:28 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| ST LOUIS PARK | HENNEPIN CO. | MN | 05/10/2011 | 19:28 | CST-6 | Hail | 2.50 in. | 0 | 0 | 0.00K | 0.00K |
| MORNINGSIDE | HENNEPIN CO. | MN | 05/10/2011 | 19:29 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| PEASE | MILLE LACS CO. | MN | 05/10/2011 | 19:30 | CST-6 | Hail | 3.20 in. | 0 | 0 | 0.00K | 0.00K |
| ST LOUIS PARK | HENNEPIN CO. | MN | 05/10/2011 | 19:30 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| ESTES BROOK | MILLE LACS CO. | MN | 05/10/2011 | 19:32 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| FOREST LAKE | WASHINGTON CO. | MN | 05/10/2011 | 19:35 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| PEASE | MILLE LACS CO. | MN | 05/10/2011 | 19:37 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| MINNEAPOLIS | HENNEPIN CO. | MN | 05/10/2011 | 19:38 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| MINNEAPOLIS | HENNEPIN CO. | MN | 05/10/2011 | 19:52 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| BLAINE | ANOKA CO. | MN | 05/10/2011 | 19:55 | CST-6 | Funnel Cloud | 0 | 0 | 0.00K | 0.00K | |
| MILACA | MILLE LACS CO. | MN | 05/10/2011 | 19:58 | CST-6 | Hail | 0.88 in. | 0 | 0 | 0.00K | 0.00K |
| ELK RIVER | SHERBURNE CO. | MN | 05/10/2011 | 20:00 | CST-6 | Hail | 1.00 in. | 0 | 0 | 0.00K | 0.00K |
| ST FRANCIS | ANOKA CO. | MN | 05/10/2011 | 20:00 | CST-6 | Hail | 1.75 in. | 0 | 0 | 0.00K | 0.00K |
| PEASE | MILLE LACS CO. | MN | 05/10/2011 | 20:15 | CST-6 | Hail | 2.00 in. | 0 | 0 | 0.00K | 0.00K |
| MILACA | MILLE LACS CO. | MN | 05/10/2011 | 20:18 | CST-6 | Hail | 0.88 in. | 0 | 0 | 0.00K | 0.00K |
| BRAHAM | ISANTI CO. | MN | 05/10/2011 | 21:17 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| BRANCH | CHISAGO CO. | MN | 05/10/2011 | 21:50 | CST-6 | Hail | 1.50 in. | 0 | 0 | 0.00K | 0.00K |
| NORTH BRANCH | CHISAGO CO. | MN | 05/10/2011 | 22:14 | CST-6 | Hail | 0.75 in. | 0 | 0 | 0.00K | 0.00K |
| Totals: | 0 | 0 | 500.00K | 0.00K |


