Alert archive / Minnesota / Tornado Warnings in 2013

Tornado Warning 6, NWS Sioux Falls, SD

May 17, 2013Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at May 17, 2013, 6:12 PM CDT for Jackson County, Minnesota. It was in force for 33 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, 6:12 PM CDT (23:12 UTC)
Expired
May 17, 2013, 6:45 PM CDT
In force
33 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Observed
Hail
1.5 in

County Jackson County, MN

What was reported inside it

TimeReportWhereRemark
May 17, 6:30 PM CDTHAIL 15 Ne Lakefield, MN

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, 11.2 hours before the alert went out and 180 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2013-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2013-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

185 
WFUS53 KFSD 172312
TORFSD
MNC063-172345-
/O.NEW.KFSD.TO.W.0006.130517T2312Z-130517T2345Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL JACKSON COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 645 PM CDT

* AT 610 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR LAKEFIELD...
  AND MOVING SOUTH AT 15 MPH.

  HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...LAW ENFORCEMENT 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 CENTRAL JACKSON
  COUNTY.

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 4358 9501 4355 9525 4377 9526 4380 9509
TIME...MOT...LOC 2312Z 350DEG 12KT 4370 9516

TORNADO...OBSERVED
HAIL...1.50IN

$$

SCHUMACHER
2 follow-up statements
193 
WWUS53 KFSD 172327
SVSFSD

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

MNC063-172345-
/O.CON.KFSD.TO.W.0006.000000T0000Z-130517T2345Z/
JACKSON MN-
627 PM CDT FRI MAY 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JACKSON COUNTY
UNTIL 645 PM CDT...

AT 621 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LAKEFIELD...AND MOVING SOUTH AT 20 MPH.

HAZARD...DEVELOPING TORNADO AND PING PONG 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...
  BETWEEN EXIT 64 AND EXIT 72 ON INTERSTATE 90 AROUND 635 PM CDT

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. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 4358 9501 4355 9525 4375 9522 4378 9509
TIME...MOT...LOC 2326Z 343DEG 16KT 4365 9511

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

SCHUMACHER
518 
WWUS53 KFSD 172344
SVSFSD

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

MNC063-172354-
/O.EXP.KFSD.TO.W.0006.000000T0000Z-130517T2345Z/
JACKSON MN-
644 PM CDT FRI MAY 17 2013

...THE TORNADO WARNING FOR CENTRAL JACKSON COUNTY WILL EXPIRE AT 645
PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 4358 9501 4355 9525 4375 9522 4378 9509
TIME...MOT...LOC 2344Z 343DEG 16KT 4357 9508

$$

SCHUMACHER

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 3:52 PM CDTSevere Thunderstorm WarningFSDCottonwood38 min
May 17, 4:12 PM CDTSevere Thunderstorm WarningFSDCottonwood48 min
May 17, 4:45 PM CDTFlash Flood WarningFSDCottonwood105 min
May 17, 4:59 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson46 min
May 17, 5:41 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson49 min
May 17, 5:47 PM CDTTornado Warning Tornado observedFSDCottonwood, Jackson28 min
May 17, 6:35 PM CDTSevere Thunderstorm WarningFSDJackson40 min

Nearby

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