Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 25, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 21, 2011, 1:46 PM CDT for Dakota County, Goodhue County, Minnesota. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 21, 2011, 1:46 PM CDT (18:46 UTC)
- Expired
- Jun 21, 2011, 2:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Dakota County, MN, Goodhue County, MN
The radar
The Minneapolis radar (KMPX), 48 km from the middle of the area, began a volume at 18:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 1:56 PM CDT | FUNNEL CLOUD | Hampton, MN | AT HWY 52 AND COUNTY ROAD 50 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 6.8 hours before the alert went out and 50 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
092 WFUS53 KMPX 211846 TORMPX MNC037-049-211915- /O.NEW.KMPX.TO.W.0025.110621T1846Z-110621T1915Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 146 PM CDT TUE JUN 21 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... CENTRAL DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... NORTHWESTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA... * UNTIL 215 PM CDT * AT 144 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 3 MILES NORTHWEST OF CANNON FALLS...AND MOVING NORTHWEST AT 35 MPH. * LOCATIONS IN THE WARNING INCLUDE... CANNON FALLS... NEW TRIER... RANDOLPH... HAMPTON... VERMILLION... COATES... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. && LAT...LON 4472 9322 4477 9295 4451 9283 4447 9297 TIME...MOT...LOC 1847Z 154DEG 29KT 4456 9297 $$ CLF
1 follow-up statement
693 WWUS53 KMPX 211904 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 204 PM CDT TUE JUN 21 2011 MNC049-211918- /O.CAN.KMPX.TO.W.0025.000000T0000Z-110621T1915Z/ GOODHUE MN- 204 PM CDT TUE JUN 21 2011 ...THE TORNADO WARNING FOR WEST CENTRAL GOODHUE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4460 9287 4456 9305 4472 9322 4477 9295 TIME...MOT...LOC 1903Z 154DEG 29KT 4468 9305 $$ MNC037-211915- /O.CON.KMPX.TO.W.0025.000000T0000Z-110621T1915Z/ DAKOTA MN- 204 PM CDT TUE JUN 21 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL DAKOTA COUNTY UNTIL 215 PM CDT... AT 158 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HAMPTON...OR 21 MILES WEST OF RED WING...MOVING NORTHWEST AT 35 MPH. A FUNNEL CLOUD WAS REPORTED AT HAMPTON AT 156 PM CDT. LOCATIONS IMPACTED INCLUDE... COATES. LAT...LON 4460 9287 4456 9305 4472 9322 4477 9295 TIME...MOT...LOC 1903Z 154DEG 29KT 4468 9305 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 9:58 PM CDT | River Flood Watch | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 47 hr |
| Jun 20, 9:58 PM CDT | River Flood Watch | MPX | Le Sueur, Scott, Sibley | 24 hr |
| Jun 20, 9:58 PM CDT | River Flood Watch | MPX | Carver | 66 hr |
| Jun 20, 10:09 PM CDT | River Flood Warning | MPX | Redwood | 70 hr |
| Jun 20, 11:11 PM CDT | Special Weather Statement | MPX | Martin | 49 min |
| Jun 20, 11:57 PM CDT | Special Weather Statement | MPX | Blue Earth, Faribault, Martin | 48 min |
| Jun 21, 12:32 AM CDT | Special Weather Statement | MPX | Faribault, Freeborn, Steele, Waseca | 58 min |
| Jun 21, 2:08 AM CDT | Special Weather Statement | MPX | Rice | 52 min |
| Jun 21, 3:19 AM CDT | Areal Flood Advisory | MPX | Dakota, Goodhue, Hennepin, Ramsey, Washington | 105 min |
| Jun 21, 11:15 AM CDT | River Flood Warning | MPX | Le Sueur, Scott, Sibley | 72 hr |
| Jun 21, 11:15 AM CDT | River Flood Warning | MPX | Dakota, Hennepin, Scott | 13 days |
| Jun 21, 1:50 PM CDT | Tornado Warning | MPX | Kandiyohi | 25 min |
| Jun 21, 2:21 PM CDT | Tornado Warning | MPX | Dakota, Washington | 24 min |
| Jun 21, 3:13 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 32 min |
| Jun 21, 4:42 PM CDT | Areal Flood Advisory | MPX | Benton, Sherburne, Stearns, Wright | 3 hr |
Nearby
Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.