Alert archive / Minnesota / Tornado Warnings in 2011

Tornado Warning 22, NWS Twin Cities, MN

May 28, 20115 counties in Minnesota

NWS Twin Cities, MN issued this tornado warning at May 28, 2011, 3:06 PM CDT for 5 counties in Minnesota. It was in force for 39 min. 5 reports 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
May 28, 2011, 3:06 PM CDT (20:06 UTC)
Expired
May 28, 2011, 3:45 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Carver County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 37 km from the middle of the area, began a volume at 20:06 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

TimeReportWhereRemark
May 28, 3:16 PM CDTHAIL 0.755 Sw Belle Plaine, MNREPORTED NEAR COUNTY ROADS 1 AND 169.
May 28, 3:19 PM CDTHAIL 15 Sw Belle Plaine, MNREPORTED NEAR COUNTY ROADS 1 AND 169.
May 28, 3:20 PM CDTHAIL 15 W New Prague, MNHAIL REPORTED NEAR COUNTRY ROAD 7 AND HIGHWAY 19.
May 28, 3:20 PM CDTHAIL 1.758 S Cologne, MNHAIL OCCURRED APPROXIMATELY 2 MILES SOUTH OF BLAKELY.
May 28, 3:31 PM CDTHAIL 15 W New Prague, MNHAIL REPORTED NEAR COUNTRY ROAD 7 AND HIGHWAY 19.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 28, 2:11 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 36 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2011-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2011-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

416 
WFUS53 KMPX 282006
TORMPX
MNC019-079-131-139-143-282045-
/O.NEW.KMPX.TO.W.0022.110528T2006Z-110528T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
306 PM CDT SAT MAY 28 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
  NORTHERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 345 PM CDT

* AT 301 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 3 MILES EAST OF
  NEW ROME...OR ABOUT 5 MILES SOUTHEAST OF ARLINGTON...AND MOVING
  EAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  LE SUEUR...
  HENDERSON...
  BELLE PLAINE...
  JORDAN...
  NEW PRAGUE...
  MONTGOMERY...
  VESELI...
  LONSDALE...
  WEBSTER...
  NEW MARKET...
  ELKO...
  CREDIT RIVER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

&&

LAT...LON 4446 9411 4472 9407 4471 9332 4440 9331
TIME...MOT...LOC 2006Z 273DEG 33KT 4455 9396

$$
2 follow-up statements
364 
WWUS53 KMPX 282013
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
313 PM CDT SAT MAY 28 2011

MNC019-079-131-139-143-282045-
/O.CON.KMPX.TO.W.0022.000000T0000Z-110528T2045Z/
CARVER MN-SCOTT MN-SIBLEY MN-LE SUEUR MN-RICE MN-
313 PM CDT SAT MAY 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICE...
NORTHERN LE SUEUR...EASTERN SIBLEY...SCOTT AND SOUTH CENTRAL CARVER
COUNTIES UNTIL 345 PM CDT...

AT 311 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NEAR HENDERSON.  THIS DANGEROUS STORM WAS LOCATED NEAR 
HENDERSON...OR 6 MILES NORTH OF LE SUEUR...MOVING EAST AT 40 MPH.

IN ADDITION...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL 
IN SOUTHERN SCOTT COUNTY.

LOCATIONS IMPACTED INCLUDE...
  BELLE PLAINE...JORDAN...NEW PRAGUE...MONTGOMERY...VESELI...
  LONSDALE...WEBSTER...NEW MARKET...ELKO...CREDIT RIVER...
  HEIDELBERG...ST BENEDICT...HELENA AND CRYSTAL BAY.

LAT...LON 4446 9411 4472 9407 4471 9332 4440 9331
TIME...MOT...LOC 2012Z 273DEG 33KT 4454 9388

$$
478 
WWUS53 KMPX 282032
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
332 PM CDT SAT MAY 28 2011

MNC019-143-282045-
/O.CAN.KMPX.TO.W.0022.000000T0000Z-110528T2045Z/
CARVER MN-SIBLEY MN-
332 PM CDT SAT MAY 28 2011

...THE TORNADO WARNING FOR EASTERN SIBLEY AND SOUTH CENTRAL CARVER
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4445 9393 4451 9389 4455 9391 4457 9389
      4459 9390 4464 9381 4464 9377 4470 9368
      4470 9364 4471 9362 4471 9332 4440 9331
TIME...MOT...LOC 2030Z 273DEG 33KT 4453 9365

$$

MNC079-131-139-282045-
/O.CON.KMPX.TO.W.0022.000000T0000Z-110528T2045Z/
SCOTT MN-LE SUEUR MN-RICE MN-
332 PM CDT SAT MAY 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICE...
NORTHERN LE SUEUR AND SCOTT COUNTIES UNTIL 345 PM CDT...

AT 329 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NEAR NEW PRAGUE. THIS DANGEROUS STORM WAS LOCATED NEAR NEW 
PRAGUE...OR 13 MILES EAST OF LE SUEUR...MOVING EAST AT 40 MPH.

IN ADDITION...THIS STORM STILL HAS A HISTORY OF PRODUCING GOLF BALL 
SIZE HAIL. 

LOCATIONS IMPACTED INCLUDE...
  NEW PRAGUE...MONTGOMERY...VESELI...LONSDALE...WEBSTER...NEW
  MARKET...ELKO...CREDIT RIVER...HEIDELBERG...ST BENEDICT...HELENA
  AND CRYSTAL BAY.

LAT...LON 4445 9393 4451 9389 4455 9391 4457 9389
      4459 9390 4464 9381 4464 9377 4470 9368
      4470 9364 4471 9362 4471 9332 4440 9331
TIME...MOT...LOC 2030Z 273DEG 33KT 4453 9365

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 1:56 PM CDTSevere Thunderstorm WarningMPXNicollet, Redwood, Sibley7 min
May 28, 2:00 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood, Renville, Sibley34 min
May 28, 2:16 PM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Le Sueur, McLeod, Rice, Scott and 1 more44 min
May 28, 2:39 PM CDTTornado WarningMPXCarver, Scott, Sibley36 min
May 28, 3:45 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice, Scott45 min
May 28, 3:57 PM CDTTornado WarningMPXDakota, Goodhue, Rice, Scott33 min
May 28, 4:27 PM CDTSpecial Weather StatementMPXDakota48 min
May 28, 4:35 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue40 min
May 28, 4:43 PM CDTSpecial Weather StatementMPXKanabec, Mille Lacs47 min
May 28, 6:18 PM CDTSpecial Weather StatementMPXRice42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.