Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 67, NWS Twin Cities, MN

May 31, 2008Le Sueur County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 31, 2008, 2:24 PM CDT for Le Sueur County, Minnesota. It was in force for 51 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
May 31, 2008, 2:24 PM CDT (19:24 UTC)
Expired
May 31, 2008, 3:15 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

County Le Sueur County, MN

What was reported inside it

TimeReportWhereRemark
May 31, 2:50 PM CDTHAIL 0.75Le Center, MN

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, 7.4 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2008-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.193958Sfc1 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
16 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
7 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.

000 
WUUS53 KMPX 311924
SVRMPX
MNC079-312015-
/O.NEW.KMPX.SV.W.0067.080531T1924Z-080531T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
224 PM CDT SAT MAY 31 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 315 PM CDT

* AT 222 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS STORM WAS LOCATED 10
  MILES NORTHWEST OF LE CENTER...OR ABOUT 4 MILES SOUTH OF
  HENDERSON...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LE CENTER...
  ST THOMAS...
  LE SUEUR...
  CLEVELAND...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4443 9395 4448 9392 4448 9391 4450 9391
      4451 9389 4454 9388 4439 9354 4421 9374
TIME...MOT...LOC 1924Z 310DEG 22KT 4446 9390

$$
2 follow-up statements
000 
WWUS53 KMPX 311936
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
236 PM CDT SAT MAY 31 2008

MNC079-312015-
/O.CON.KMPX.SV.W.0067.000000T0000Z-080531T2015Z/
LE SUEUR MN-
236 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR LE SUEUR COUNTY...

AT 231 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS SEVERE
THUNDERSTORM WAS LOCATED NEAR ST THOMAS...OR ABOUT 7 MILES NORTHWEST
OF LE CENTER...AND MOVING SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST THOMAS...ST HENRY...
LE SUEUR...LE CENTER AND CLEVELAND.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4443 9395 4448 9392 4448 9391 4450 9391
      4451 9389 4454 9388 4439 9354 4421 9374
TIME...MOT...LOC 1936Z 310DEG 22KT 4441 9382

$$
000 
WWUS53 KMPX 312000
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
259 PM CDT SAT MAY 31 2008

MNC079-312015-
/O.CON.KMPX.SV.W.0067.000000T0000Z-080531T2015Z/
LE SUEUR MN-
259 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR LE SUEUR COUNTY...

AT 250 PM CDT...DIME SIZE HAIL WAS REPORTED IN LE CENTER WITH THIS 
STORM.

AT 256 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING.  THIS SEVERE THUNDERSTORM WAS
LOCATED 3 MILES SOUTHEAST OF LE CENTER...AND MOVING SOUTHEAST AT 
25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST THOMAS...ST HENRY...AND 
CLEVELAND.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4442 9394 4445 9382 4446 9378 4439 9354
      4426 9369 4425 9370 4421 9374
TIME...MOT...LOC 1959Z 310DEG 15KT 4434 9369

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:09 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Waseca36 min
May 31, 3:08 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Steele, Waseca67 min
May 31, 4:15 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca48 min
May 31, 4:15 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne60 min
May 31, 4:23 PM CDTSevere Thunderstorm WarningMPXMorrison67 min
May 31, 4:43 PM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs, Morrison62 min
May 31, 5:01 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright59 min
May 31, 5:16 PM CDTTornado WarningMPXSherburne, Wright44 min
May 31, 5:25 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey65 min
May 31, 5:28 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Morrison62 min
May 31, 5:38 PM CDTTornado WarningMPXHennepin, Wright40 min
May 31, 6:17 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti58 min
May 31, 6:26 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey, Scott50 min
May 31, 6:44 PM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs, Morrison46 min
May 31, 6:45 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington45 min
May 31, 6:55 PM CDTTornado WarningMPXAnoka, Chisago, Washington50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008

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.