Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 23, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 28, 2011, 3:57 PM CDT for 4 counties in Minnesota. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 28, 2011, 3:57 PM CDT (20:57 UTC)
- Expired
- May 28, 2011, 4:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Dakota County, MN, Goodhue County, MN, Rice County, MN, Scott County, MN
The radar
The Minneapolis radar (KMPX), 52 km from the middle of the area, began a volume at 20:57 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 28, 2:11 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 55 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
- 918 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
296 WFUS53 KMPX 282057 TORMPX MNC037-049-131-139-282130- /O.NEW.KMPX.TO.W.0023.110528T2057Z-110528T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 357 PM CDT SAT MAY 28 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... SOUTHEASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA... WEST CENTRAL GOODHUE COUNTY IN SOUTHEAST MINNESOTA... NORTHERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 430 PM CDT * AT 352 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR WEBSTER...OR OVER WEBSTER...AND MOVING EAST AT 35 MPH. * LOCATIONS IN THE WARNING INCLUDE... DUNDAS... CASTLE ROCK... NORTHFIELD... RANDOLPH... STANTON... HAMPTON... NEW TRIER... CANNON FALLS... MIESVILLE... WASTEDO... 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 4463 9280 4440 9281 4444 9345 4462 9344 TIME...MOT...LOC 2057Z 271DEG 31KT 4452 9331 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 1:56 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Redwood, Sibley | 7 min |
| May 28, 2:00 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 34 min |
| May 28, 2:16 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Le Sueur, McLeod, Rice, Scott and 1 more | 44 min |
| May 28, 2:39 PM CDT | Tornado Warning | MPX | Carver, Scott, Sibley | 36 min |
| May 28, 3:06 PM CDT | Tornado Warning | MPX | Carver, Le Sueur, Rice, Scott, Sibley | 39 min |
| May 28, 3:45 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice, Scott | 45 min |
| May 28, 4:27 PM CDT | Special Weather Statement | MPX | Dakota | 48 min |
| May 28, 4:35 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 40 min |
| May 28, 4:43 PM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 47 min |
| May 28, 6:18 PM CDT | Special Weather Statement | MPX | Rice | 42 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.