Alert archive / Minnesota / Tornado Warnings in 2013

Tornado Warning 11, NWS Sioux Falls, SD

July 25, 2013Jackson County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jul 25, 2013, 4:59 PM CDT for Jackson County, Nobles County, Minnesota. It was in force for 46 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
Jul 25, 2013, 4:59 PM CDT (21:59 UTC)
Expired
Jul 25, 2013, 5:45 PM CDT
In force
46 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Jackson County, MN, Nobles County, MN

The radar

The Sioux Falls radar (KFSD), 112 km from the middle of the area, began a volume at 22:00 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, 10.0 hours before the alert went out and 196 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 2013-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 joules per kilogram.LCLLFCEL10008507005003002001001 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 2013-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897Sfc1 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
158 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1121 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
85 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.

387 
WFUS53 KFSD 252159
TORFSD
MNC063-105-252245-
/O.NEW.KFSD.TO.W.0011.130725T2159Z-130725T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
459 PM CDT THU JUL 25 2013

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA...
  EAST CENTRAL NOBLES COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 545 PM CDT

* AT 456 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BREWSTER...AND MOVING SOUTHEAST AT 25 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

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

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
  NOBLES AND SOUTHWESTERN JACKSON COUNTIES.

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.

&&

LAT...LON 4350 9520 4350 9531 4365 9567 4381 9555
      4366 9509
TIME...MOT...LOC 2159Z 298DEG 20KT 4368 9547

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

BT
3 follow-up statements
359 
WWUS53 KFSD 252211
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
511 PM CDT THU JUL 25 2013

MNC063-105-252245-
/O.CON.KFSD.TO.W.0011.000000T0000Z-130725T2245Z/
JACKSON MN-NOBLES MN-
511 PM CDT THU JUL 25 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL NOBLES AND
SOUTHWESTERN JACKSON COUNTIES UNTIL 545 PM CDT...

AT 508 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BREWSTER...AND MOVING SOUTHEAST AT 25 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.

SOURCE...RADAR CONTINUES TO INDICATE ROTATION ALOFT WITH THIS STORM 
WITH A SURFACE BOUNDARY NEAR BY. 

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

LOCATIONS IMPACTED INCLUDE...
LAKEFIELD.

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.

&&

LAT...LON 4350 9520 4350 9531 4365 9567 4381 9555
      4366 9509
TIME...MOT...LOC 2210Z 298DEG 20KT 4365 9540

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

BT
552 
WWUS53 KFSD 252231
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
531 PM CDT THU JUL 25 2013

MNC105-252241-
/O.CAN.KFSD.TO.W.0011.000000T0000Z-130725T2245Z/
NOBLES MN-
531 PM CDT THU JUL 25 2013

...THE TORNADO WARNING FOR EAST CENTRAL NOBLES COUNTY IS CANCELLED...

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

LAT...LON 4357 9516 4351 9519 4350 9520 4350 9531
      4356 9544 4373 9531 4366 9509 4365 9509
TIME...MOT...LOC 2231Z 298DEG 20KT 4359 9526

$$

MNC063-252245-
/O.CON.KFSD.TO.W.0011.000000T0000Z-130725T2245Z/
JACKSON MN-
531 PM CDT THU JUL 25 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN JACKSON
COUNTY UNTIL 545 PM CDT...

AT 530 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES SOUTHWEST OF LAKEFIELD...AND MOVING SOUTHEAST AT
25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

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

LOCATIONS IMPACTED INCLUDE...
LAKEFIELD.

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.

&&

LAT...LON 4357 9516 4351 9519 4350 9520 4350 9531
      4356 9544 4373 9531 4366 9509 4365 9509
TIME...MOT...LOC 2231Z 298DEG 20KT 4359 9526

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

$$

BT
507 
WWUS53 KFSD 252238
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
538 PM CDT THU JUL 25 2013

MNC063-252249-
/O.EXP.KFSD.TO.W.0011.000000T0000Z-130725T2245Z/
JACKSON MN-
538 PM CDT THU JUL 25 2013

...THE TORNADO WARNING FOR SOUTHWESTERN JACKSON COUNTY WILL EXPIRE AT
545 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4357 9516 4351 9519 4350 9520 4350 9531
      4356 9544 4373 9531 4366 9509 4365 9509
TIME...MOT...LOC 2239Z 298DEG 20KT 4357 9521

$$

BT

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.