Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 3, NWS Twin Cities, MN

May 16, 2015Lac qui Parle County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 16, 2015, 4:29 PM CDT for Lac qui Parle 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: May 16, 2015, 4:29 PM CDT (21:29 UTC)
Expired: May 16, 2015, 4:45 PM CDT
In force: 16 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Lac qui Parle County, MN

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.5 hours before the alert went out and 163 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: 1 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 112 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.

144 
WFUS53 KMPX 162129
TORMPX
MNC073-162145-
/O.NEW.KMPX.TO.W.0003.150516T2129Z-150516T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
429 PM CDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 445 PM CDT
    
* AT 429 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER BIG STONE NATIONAL WILDLIFE REFUGE...OR
  NEAR BIG STONE CITY...MOVING NORTHEAST AT 25 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN LAC QUI PARLE COUNTY...INCLUDING THE FOLLOWING
  LOCATIONS...BIG STONE NATIONAL WILDLIFE REFUGE.

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 4527 9642 4525 9640 4526 9638 4525 9629
      4522 9626 4513 9634 4513 9636 4517 9645
      4527 9645
TIME...MOT...LOC 2129Z 209DEG 24KT 4524 9642 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 12:07 PM CDT	Special Weather Statement	MPX	Kandiyohi	38 min
May 16, 3:58 PM CDT	Special Weather Statement	MPX	Yellow Medicine	32 min
May 16, 4:01 PM CDT	Special Weather Statement	MPX	Chippewa	29 min
May 16, 4:16 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Yellow Medicine	44 min
May 16, 4:44 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	31 min
May 16, 5:05 PM CDT	Tornado Warning	MPX	Chippewa, Swift	25 min
May 16, 5:12 PM CDT	Special Weather Statement	MPX	Stevens	33 min
May 16, 5:20 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	25 min
May 16, 5:39 PM CDT	Tornado Warning Tornado observed	MPX	Swift	36 min
May 16, 5:45 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	17 min
May 16, 5:52 PM CDT	Tornado Warning Tornado observed	MPX	Chippewa, Swift	23 min
May 16, 6:11 PM CDT	Tornado Warning	MPX	Swift	34 min
May 16, 6:21 PM CDT	Special Weather Statement	MPX	Renville	39 min
May 16, 6:41 PM CDT	Tornado Warning	MPX	Pope, Swift	34 min
May 16, 6:54 PM CDT	Special Weather Statement	MPX	Meeker	36 min

Nearby

Tornado Warnings in Minnesota, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.