Alert archive / Minnesota / Tornado Warnings in 2016

Tornado Warning 4, NWS Twin Cities, MN

April 24, 2016Freeborn County, Steele County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Apr 24, 2016, 8:29 PM CDT for Freeborn County, Steele County, Minnesota. It was in force for 16 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: Apr 24, 2016, 8:29 PM CDT (01:29 UTC)
Expired: Apr 24, 2016, 8:45 PM CDT
In force: 16 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Freeborn County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 115 km from the middle of the area, began a volume at 01:32 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 00:00Z, 1.5 hours before the alert went out and 116 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: 866 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 388 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

262 
WFUS53 KMPX 250129
TORMPX
MNC047-147-250145-
/O.NEW.KMPX.TO.W.0004.160425T0129Z-160425T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
829 PM CDT SUN APR 24 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHEASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 845 PM CDT
    
* AT 829 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR HOLLANDALE...OR 13 MILES NORTHWEST OF AUSTIN...
  MOVING NORTHEAST AT 45 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  BLOOMING PRAIRIE AROUND 835 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BIXBY
AND STEELE CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4376 9325 4400 9322 4400 9305 4392 9304
      4387 9305 4372 9315
TIME...MOT...LOC 0129Z 217DEG 41KT 4382 9315 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ADL

1 follow-up statement

676 
WWUS53 KMPX 250145
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
845 PM CDT SUN APR 24 2016

MNC047-147-250155-
/O.EXP.KMPX.TO.W.0004.000000T0000Z-160425T0145Z/
STEELE MN-FREEBORN MN-
845 PM CDT SUN APR 24 2016

...THE TORNADO WARNING FOR SOUTHEASTERN STEELE AND NORTHEASTERN
FREEBORN COUNTIES HAS EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING HAS
BEEN ALLOWED TO EXPIRE.

LAT...LON 4376 9325 4400 9322 4400 9305 4392 9304
      4387 9305 4372 9315
TIME...MOT...LOC 0142Z 217DEG 41KT 4382 9315 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:07 PM CDT	Special Weather Statement	MPX	Blue Earth, Martin	23 min
Apr 24, 7:11 PM CDT	Special Weather Statement	MPX	Brown, Watonwan	34 min
Apr 24, 7:43 PM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Faribault, Nicollet	47 min
Apr 24, 8:13 PM CDT	Special Weather Statement	MPX	Freeborn, Le Sueur, Steele, Waseca	32 min
Apr 24, 8:23 PM CDT	Tornado Warning Tornado observed	MPX	Rice, Steele, Waseca	13 min
Apr 24, 8:51 PM CDT	Special Weather Statement	MPX	Goodhue, Rice	24 min
Apr 24, 9:17 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	28 min
Apr 24, 10:05 PM CDT	Special Weather Statement	MPX	Martin, Watonwan	40 min
Apr 24, 10:41 PM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Martin, Watonwan	34 min
Apr 25, 8:04 AM CDT	Special Weather Statement	MPX	Hennepin	41 min
Apr 25, 4:42 PM CDT	Special Weather Statement	MPX	Le Sueur	33 min
Apr 25, 5:12 PM CDT	Special Weather Statement	MPX	Waseca	48 min

Nearby

Tornado Warnings in Minnesota, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.