Alert archive / Minnesota / Tornado Warnings in 2013

Tornado Warning 5, NWS Sioux Falls, SD

May 17, 2013Cottonwood County, Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at May 17, 2013, 5:47 PM CDT for Cottonwood County, Jackson County, Minnesota. It was in force for 28 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 17, 2013, 5:47 PM CDT (22:47 UTC)
Expired: May 17, 2013, 6:15 PM CDT
In force: 28 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Observed
Hail: 2.5 in

Counties Cottonwood County, MN, Jackson County, MN

What was reported inside it

Time	Report	Where	Remark
May 17, 6:10 PM CDT	TORNADO	3 N Lakefield, MN	RELAYED BY JACKSON COUNTY EMERGENCY MANAGEMENT

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, 10.8 hours before the alert went out and 172 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: 512 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 183 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.

137 
WFUS53 KFSD 172247
TORFSD
MNC033-063-172315-
/O.NEW.KFSD.TO.W.0005.130517T2247Z-130517T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
547 PM CDT FRI MAY 17 2013

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA...
  NORTH CENTRAL JACKSON COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 615 PM CDT

* AT 545 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR WILDER
  AND MOVING SOUTH AT 10 MPH.

  HAZARD...DAMAGING TORNADO AND TENNIS BALL SIZE HAIL.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL JACKSON
  AND SOUTH CENTRAL COTTONWOOD COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4371 9507 4370 9525 4388 9528 4389 9510
TIME...MOT...LOC 2247Z 359DEG 10KT 4379 9518

TORNADO...OBSERVED
HAIL...2.50IN

$$

SCHUMACHER

1 follow-up statement

997 
WWUS53 KFSD 172253
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
553 PM CDT FRI MAY 17 2013

MNC033-172302-
/O.CAN.KFSD.TO.W.0005.000000T0000Z-130517T2315Z/
COTTONWOOD MN-
553 PM CDT FRI MAY 17 2013

...THE TORNADO WARNING FOR SOUTH CENTRAL COTTONWOOD COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4371 9507 4370 9525 4385 9526 4385 9510
TIME...MOT...LOC 2252Z 349DEG 12KT 4375 9518

$$

MNC063-172315-
/O.CON.KFSD.TO.W.0005.000000T0000Z-130517T2315Z/
JACKSON MN-
553 PM CDT FRI MAY 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL JACKSON
COUNTY UNTIL 615 PM CDT...

AT 549 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES NORTH OF LAKEFIELD...AND MOVING SOUTH AT 15 MPH.

HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL JACKSON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. 

&&

LAT...LON 4371 9507 4370 9525 4385 9526 4385 9510
TIME...MOT...LOC 2252Z 349DEG 12KT 4375 9518

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

SCHUMACHER

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 3:52 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood	38 min
May 17, 4:12 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood	48 min
May 17, 4:45 PM CDT	Flash Flood Warning	FSD	Cottonwood	105 min
May 17, 4:59 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson	46 min
May 17, 5:41 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson	49 min
May 17, 6:12 PM CDT	Tornado Warning Tornado observed	FSD	Jackson	33 min
May 17, 6:35 PM CDT	Severe Thunderstorm Warning	FSD	Jackson	40 min

Nearby

Tornado Warnings in Minnesota, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.