Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 69, NWS Twin Cities, MN

May 31, 20084 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 31, 2008, 4:15 PM CDT for 4 counties in Minnesota. It was in force for 48 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, 4:15 PM CDT (21:15 UTC)
Expired: May 31, 2008, 5:03 PM CDT
In force: 48 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

What was reported inside it

Time	Report	Where	Remark
May 31, 4:30 PM CDT	HAIL 0.75	8 Ene Hollandale, MN	HAILED ABOUT 5 MINUTES.

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.

Issued	Product	Office	Lasted
May 31, 2:51 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.3 hours before the alert went out and 111 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 312115
SVRMPX
MNC043-047-147-161-312215-
/O.NEW.KMPX.SV.W.0069.080531T2115Z-080531T2215Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHEASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 515 PM CDT

* AT 413 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS STORM WAS LOCATED NEAR
  JANESVILLE...OR ABOUT 2 MILES NORTH OF JANESVILLE...AND MOVING
  SOUTHEAST AT 26 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WASECA...
  NEW RICHLAND...
  ELLENDALE...
  GENEVA...
  CLARKS GROVE...

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 4397 9305 4363 9306 4363 9323 4381 9376
      4420 9377
TIME...MOT...LOC 2115Z 306DEG 23KT 4414 9369

$$

3 follow-up statements

000 
WWUS53 KMPX 312127
SVSMPX

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

MNC043-047-147-161-312215-
/O.CON.KMPX.SV.W.0069.000000T0000Z-080531T2215Z/
WASECA MN-STEELE MN-FARIBAULT MN-FREEBORN MN-
426 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHERN STEELE AND
WASECA COUNTIES...

AT 421 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THESE SEVERE
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM STEELE CENTER 
TO ELLENDALE AND JANESVILLE...AND MOVING SOUTHEAST AT 26 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STEELE CENTER...OTISCO...
BIXBY...WASECA...WALDORF...NEW RICHLAND...MANCHESTER...JANESVILLE...
HOLLANDALE AND HAYWARD.

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 4397 9305 4363 9306 4363 9323 4381 9376
      4420 9377
TIME...MOT...LOC 2126Z 306DEG 23KT 4392 9313 4386 9325
          4394 9347 4409 9365

$$

000 
WWUS53 KMPX 312149
SVSMPX

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

MNC043-312159-
/O.CAN.KMPX.SV.W.0069.000000T0000Z-080531T2215Z/
FARIBAULT MN-
449 PM CDT SAT MAY 31 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FARIBAULT COUNTY
IS CANCELLED...

DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED
OUT OF THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING
HAS BEEN CANCELLED.

LAT...LON 4383 9365 4406 9356 4397 9306 4363 9306
      4363 9323
TIME...MOT...LOC 2149Z 312DEG 29KT 4398 9348

$$

MNC047-147-161-312215-
/O.CON.KMPX.SV.W.0069.000000T0000Z-080531T2215Z/
WASECA MN-STEELE MN-FREEBORN MN-
449 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHERN FREEBORN...SOUTHERN STEELE AND SOUTHEASTERN WASECA
COUNTIES...

AT 447 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS SEVERE
THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST OF OTISCO...OR ABOUT 7
MILES NORTH OF NEW RICHLAND...AND MOVING SOUTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STEELE CENTER...OTISCO...
BIXBY...NEW RICHLAND...HOLLANDALE...HAYWARD...HARTLAND...GENEVA...
ELLENDALE AND CLARKS GROVE.

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 4383 9365 4406 9356 4397 9306 4363 9306
      4363 9323
TIME...MOT...LOC 2149Z 312DEG 29KT 4398 9348

$$

000 
WWUS53 KMPX 312203
SVSMPX

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

MNC047-147-161-312213-
/O.CAN.KMPX.SV.W.0069.000000T0000Z-080531T2215Z/
WASECA MN-STEELE MN-FREEBORN MN-
503 PM CDT SAT MAY 31 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FREEBORN...SOUTHERN
STEELE AND SOUTHEASTERN WASECA COUNTIES IS CANCELLED...

DOPPLER RADAR INDICATED THAT THE STORM HAD WEAKENED BELOW SEVERE 
LIMITS. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

LAT...LON 4383 9365 4406 9356 4397 9306 4363 9306
      4363 9323
TIME...MOT...LOC 2203Z 312DEG 29KT 4390 9336

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:09 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Waseca	36 min
May 31, 2:24 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur	51 min
May 31, 3:08 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Steele, Waseca	67 min
May 31, 4:15 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne	60 min
May 31, 4:23 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	67 min
May 31, 4:43 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	62 min
May 31, 5:01 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	59 min
May 31, 5:16 PM CDT	Tornado Warning	MPX	Sherburne, Wright	44 min
May 31, 5:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey	65 min
May 31, 5:28 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs, Morrison	62 min
May 31, 5:38 PM CDT	Tornado Warning	MPX	Hennepin, Wright	40 min
May 31, 6:17 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	58 min
May 31, 6:26 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Ramsey, Scott	50 min
May 31, 6:44 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	46 min
May 31, 6:45 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Washington	45 min
May 31, 6:55 PM CDT	Tornado Warning	MPX	Anoka, Chisago, Washington	50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008 Every 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.