Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 50, NWS Twin Cities, MN

June 18, 2013Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 2013, 1:52 AM CDT for Brown County, Redwood County, Minnesota. It was in force for 53 min. 4 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, 1:52 AM CDT (06:52 UTC)
Expired: Jun 18, 2013, 2:45 AM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 06:53 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

Time	Report	Where	Remark
Jun 18, 2:00 AM CDT	HAIL 2.5	9 Se Wabasso, MN	NEAR BASEBALL SIZED.
Jun 18, 2:20 AM CDT	HAIL 0.75	1 W Springfield, MN
Jun 18, 2:20 AM CDT	HAIL 2.5	1 Sw Springfield, MN	DAMAGE TO AREA CROPS.
Jun 18, 2:38 AM CDT	HAIL 0.88	5 Sw Springfield, MN	OCCURRED 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, 6.9 hours before the alert went out and 137 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: 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.

239 
WUUS53 KMPX 180652
SVRMPX
MNC015-127-180745-
/O.NEW.KMPX.SV.W.0050.130618T0652Z-130618T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
152 AM CDT TUE JUN 18 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 245 AM CDT

* AT 148 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 15 MILES NORTH OF
  JEFFERS...AND MOVING SOUTHEAST AT 15 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
           ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  SANBORN...SPRINGFIELD AND COMFREY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4410 9508 4414 9512 4419 9511 4419 9516
      4432 9529 4443 9506 4412 9464
TIME...MOT...LOC 0652Z 334DEG 12KT 4425 9508

HAIL...1.00IN
WIND...60MPH

$$

LRS

4 follow-up statements

342 
WWUS53 KMPX 180659
SVSMPX

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

MNC015-127-180745-
/O.CON.KMPX.SV.W.0050.000000T0000Z-130618T0745Z/
BROWN MN-REDWOOD MN-
159 AM CDT TUE JUN 18 2013

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

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

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT WIND
         DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD AND COMFREY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4410 9508 4414 9512 4419 9511 4419 9516
      4432 9529 4443 9506 4412 9464
TIME...MOT...LOC 0659Z 334DEG 12KT 4423 9507

HAIL...1.50IN
WIND...60MPH

$$

LRS

771 
WWUS53 KMPX 180717
SVSMPX

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

MNC015-127-180745-
/O.CON.KMPX.SV.W.0050.000000T0000Z-130618T0745Z/
BROWN MN-REDWOOD MN-
217 AM CDT TUE JUN 18 2013

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

AT 212 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 12 MILES NORTHEAST
OF JEFFERS...AND MOVING SOUTHEAST AT 15 MPH.

THIS IS A VERY DANGEROUS STORM.

HAZARD...TENNIS BALL SIZE HAIL AND 80 MPH WIND GUSTS.

SOURCE...EMERGENCY MANAGEMENT REPORTED GOLF BALL SIZED HAIL NEAR     
         WABASSO.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED. FLYING DEBRIS WILL BE
         DANGEROUS TO PEOPLE AND ANIMALS. EXPECT CONSIDERABLE DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES. EXTENSIVE TREE DAMAGE AND
         POWER OUTAGES ARE LIKELY.

LOCATIONS IMPACTED INCLUDE...
COMFREY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING ALSO REMAINS IN EFFECT FOR MUCH OF THE AREA 
ENCOMPASSED BY THIS SEVERE THUNDERSTORM WARNING.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4426 9521 4437 9498 4412 9464 4410 9508
      4414 9512 4419 9511 4419 9516
TIME...MOT...LOC 0715Z 334DEG 12KT 4418 9504

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...80MPH

$$

LRS

105 
WWUS53 KMPX 180726
SVSMPX

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

MNC127-180736-
/O.CAN.KMPX.SV.W.0050.000000T0000Z-130618T0745Z/
REDWOOD MN-
226 AM CDT TUE JUN 18 2013

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN REDWOOD COUNTY IS
CANCELLED...

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

LAT...LON 4425 9504 4428 9492 4429 9487 4412 9464
      4410 9508 4414 9512 4419 9511
TIME...MOT...LOC 0726Z 334DEG 12KT 4415 9502

$$

MNC015-180745-
/O.CON.KMPX.SV.W.0050.000000T0000Z-130618T0745Z/
BROWN MN-
226 AM CDT TUE JUN 18 2013

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

AT 224 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTHEAST
OF JEFFERS...AND MOVING SOUTHEAST AT 15 MPH.

THIS IS A VERY DANGEROUS STORM.

HAZARD...TENNIS BALL SIZE HAIL AND 80 MPH WIND GUSTS.

SOURCE...EMERGENCY MANAGEMENT.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED. FLYING DEBRIS WILL BE
         DANGEROUS TO PEOPLE AND ANIMALS. EXPECT CONSIDERABLE DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES. EXTENSIVE TREE DAMAGE AND
         POWER OUTAGES ARE LIKELY.

LOCATIONS IMPACTED INCLUDE...
COMFREY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING ALSO REMAINS IN EFFECT FOR MUCH OF THE AREA 
ENCOMPASSED BY THIS SEVERE THUNDERSTORM WARNING.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4425 9504 4428 9492 4429 9487 4412 9464
      4410 9508 4414 9512 4419 9511
TIME...MOT...LOC 0726Z 334DEG 12KT 4415 9502

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...80MPH

$$

LRS

139 
WWUS53 KMPX 180743
SVSMPX

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

MNC015-180753-
/O.CAN.KMPX.SV.W.0050.000000T0000Z-130618T0745Z/
BROWN MN-
243 AM CDT TUE JUN 18 2013

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BROWN COUNTY IS
CANCELLED...

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

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 4425 9504 4428 9492 4429 9487 4412 9464
      4410 9508 4414 9512 4419 9511
TIME...MOT...LOC 0743Z 334DEG 12KT 4410 9499

$$

LRS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 12:36 AM CDT	Special Weather Statement	MPX	Redwood, Yellow Medicine	39 min
Jun 18, 1:16 AM CDT	Special Weather Statement	MPX	Brown, Redwood	59 min
Jun 18, 2:03 AM CDT	Tornado Warning	MPX	Brown, Redwood	42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2013 Every severe thunderstorm warning 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.