Alert archive / Minnesota / Tornado Warnings in 2013

Tornado Warning 5, NWS Twin Cities, MN

June 18, 2013Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 18, 2013, 2:03 AM CDT for Brown County, Redwood County, Minnesota. It was in force for 42 min. 3 reports 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
Jun 18, 2013, 2:03 AM CDT (07:03 UTC)
Expired
Jun 18, 2013, 2:45 AM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 07:02 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 2:20 AM CDTHAIL 0.751 W Springfield, MN
Jun 18, 2:20 AM CDTHAIL 2.51 Sw Springfield, MNDAMAGE TO AREA CROPS.
Jun 18, 2:38 AM CDTHAIL 0.885 Sw Springfield, MNOCCURRED NEAR INTERSECTION OF COUNTRY ROAD 23 AND COUNTY ROAD 2.

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 00:00Z, 7.1 hours before the alert went out and 138 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 00:00Z on 2013-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2013-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1788 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

666 
WFUS53 KMPX 180703
TORMPX
MNC015-127-180745-
/O.NEW.KMPX.TO.W.0005.130618T0703Z-130618T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
203 AM CDT TUE JUN 18 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN REDWOOD COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 245 AM CDT

* AT 200 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 13 MILES NORTHEAST OF JEFFERS...AND MOVING
  SOUTHEAST AT 15 MPH.

  HAZARD...TORNADO AND GOLF BALL 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...
  SPRINGFIELD.

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 4413 9511 4415 9512 4419 9511 4419 9516
      4427 9520 4437 9498 4419 9474 4410 9508
TIME...MOT...LOC 0703Z 334DEG 12KT 4422 9506

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

$$

LRS
3 follow-up statements
183 
WWUS53 KMPX 180707
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
207 AM CDT TUE JUN 18 2013

MNC015-127-180745-
/O.CON.KMPX.TO.W.0005.000000T0000Z-130618T0745Z/
BROWN MN-REDWOOD MN-
207 AM CDT TUE JUN 18 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN REDWOOD AND
SOUTHWESTERN BROWN COUNTIES UNTIL 245 AM CDT...

AT 202 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES NORTHEAST OF JEFFERS...AND MOVING SOUTHEAST AT
15 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
  MAINLY RURAL AREAS OF SOUTHWESTERN BROWN 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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4413 9511 4415 9512 4419 9511 4419 9516
      4427 9520 4437 9498 4419 9474 4410 9508
TIME...MOT...LOC 0707Z 334DEG 12KT 4420 9509

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

$$

LRS
402 
WWUS53 KMPX 180724
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
224 AM CDT TUE JUN 18 2013

MNC127-180733-
/O.CAN.KMPX.TO.W.0005.000000T0000Z-130618T0745Z/
REDWOOD MN-
224 AM CDT TUE JUN 18 2013

...THE TORNADO WARNING FOR SOUTHEASTERN REDWOOD COUNTY IS
CANCELLED...

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

LAT...LON 4413 9511 4415 9512 4419 9511 4428 9492
      4417 9482 4410 9508
TIME...MOT...LOC 0723Z 329DEG 14KT 4414 9504

$$

MNC015-180745-
/O.CON.KMPX.TO.W.0005.000000T0000Z-130618T0745Z/
BROWN MN-
224 AM CDT TUE JUN 18 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BROWN COUNTY
UNTIL 245 AM CDT...

AT 224 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES NORTHEAST OF JEFFERS...AND MOVING SOUTHEAST AT
15 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
  MAINLY RURAL AREAS OF SOUTHWESTERN BROWN 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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4413 9511 4415 9512 4419 9511 4428 9492
      4417 9482 4410 9508
TIME...MOT...LOC 0723Z 329DEG 14KT 4414 9504

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

$$

LRS
581 
WWUS53 KMPX 180737
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 AM CDT TUE JUN 18 2013

MNC015-180746-
/O.CAN.KMPX.TO.W.0005.000000T0000Z-130618T0745Z/
BROWN MN-
237 AM CDT TUE JUN 18 2013

...THE TORNADO WARNING FOR SOUTHWESTERN BROWN COUNTY IS CANCELLED...

THE STRONGEST PART OF THE STORM WHICH PROMPTED THE TORNADO WARNING 
HAS MOVED OUT OF THE WARNED AREA. LARGE HAIL AND STRONG WINDS REMAIN 
POSSIBLE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.

LAT...LON 4413 9511 4415 9512 4419 9511 4428 9492
      4417 9482 4410 9508
TIME...MOT...LOC 0736Z 329DEG 14KT 4410 9500

$$

LRS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 12:36 AM CDTSpecial Weather StatementMPXRedwood, Yellow Medicine39 min
Jun 18, 1:16 AM CDTSpecial Weather StatementMPXBrown, Redwood59 min
Jun 18, 1:52 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood53 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; radar from the NEXRAD Level II archive.