Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 90, NWS Twin Cities, MN

May 26, 2012Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2012, 11:36 AM CDT for Steele County, Minnesota. It was in force for 8 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 26, 2012, 11:36 AM CDT (16:36 UTC)
Expired: May 26, 2012, 11:44 AM CDT
In force: 8 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 16:37 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.6 hours before the alert went out and 107 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 858 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 268 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.

180 
WUUS53 KMPX 261636
SVRMPX
MNC147-261730-
/O.NEW.KMPX.SV.W.0090.120526T1636Z-120526T1730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1136 AM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1230 PM CDT

* AT 1132 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR BIXBY...OR
  ABOUT 9 MILES SOUTHEAST OF OWATONNA...AND MOVING EAST AT 25 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  BIXBY...
  STEELE CENTER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4390 9319 4408 9318 4408 9303 4389 9303
      4388 9304
TIME...MOT...LOC 1637Z 274DEG 24KT 4398 9305
WIND...HAIL <50MPH 1.00IN

$$

JPC

1 follow-up statement

074 
WWUS53 KMPX 261644
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1144 AM CDT SAT MAY 26 2012

MNC147-261659-
/O.CAN.KMPX.SV.W.0090.000000T0000Z-120526T1730Z/
STEELE MN-
1144 AM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL STEELE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA...HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL 
POSSIBLE WITH ADDITIONAL THUNDERSTORMS MOVING INTO THE AREA.

LAT...LON 4390 9319 4408 9318 4408 9303 4389 9303
      4388 9304
TIME...MOT...LOC 1644Z 274DEG 24KT 4398 9299

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 2:34 AM CDT	Special Weather Statement	MPX	Martin	56 min
May 26, 3:44 AM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Freeborn, Martin, Rice, Steele and 1 more	61 min
May 26, 7:14 AM CDT	Special Weather Statement	MPX	Redwood	46 min
May 26, 7:51 AM CDT	Severe Thunderstorm Warning	MPX	Redwood	54 min
May 26, 8:26 AM CDT	Special Weather Statement	MPX	Brown, McLeod, Nicollet, Renville, Sibley	64 min
May 26, 9:07 AM CDT	Special Weather Statement	MPX	Watonwan	23 min
May 26, 9:33 AM CDT	Special Weather Statement	MPX	Blue Earth, Nicollet, Watonwan	27 min
May 26, 10:07 AM CDT	Special Weather Statement	MPX	Blue Earth, Waseca	23 min
May 26, 10:34 AM CDT	Special Weather Statement	MPX	Steele, Waseca	56 min
May 26, 11:34 AM CDT	Special Weather Statement	MPX	Freeborn, Steele	26 min
May 26, 11:47 AM CDT	Special Weather Statement	MPX	Freeborn	28 min
May 26, 11:50 AM CDT	Special Weather Statement	MPX	Brown, McLeod, Nicollet, Sibley	55 min
May 26, 1:26 PM CDT	Special Weather Statement	MPX	Goodhue	34 min
May 26, 1:30 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Rice	45 min
May 26, 1:40 PM CDT	Special Weather Statement	MPX	Dakota	35 min
May 26, 2:15 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	60 min
May 26, 3:33 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	57 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012 Every severe thunderstorm warning in 2012

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.