Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 85, NWS Twin Cities, MN

July 5, 2019Le Sueur County, Scott County, Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 5, 2019, 5:39 PM CDT for Le Sueur County, Scott County, Sibley County, Minnesota. It was in force for 51 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
Jul 5, 2019, 5:39 PM CDT (22:39 UTC)
Expired
Jul 5, 2019, 6:30 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Possible
Hail
1.25 in
Wind
60.0 mph

Counties Le Sueur County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 22:42 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
Jul 5, 5:45 PM CDTTORNADO3 N Henderson, MNBRIEF TOUCHDOWN NORTH OF HENDERSON.

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, 10.7 hours before the alert went out and 43 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 2019-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2019-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 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
13 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
1065 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

674 
WUUS53 KMPX 052239
SVRMPX
MNC079-139-143-052330-
/O.NEW.KMPX.SV.W.0085.190705T2239Z-190705T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
539 PM CDT Fri Jul 5 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northwestern Le Sueur County in south central Minnesota...
  Southeastern Sibley County in central Minnesota...
  Southwestern Scott County in east central Minnesota...

* Until 630 PM CDT.

* At 538 PM CDT, a severe thunderstorm was located near Arlington, or
  28 miles southeast of Hutchinson, moving east at 20 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Belle Plaine, Le Sueur, Henderson and St Thomas. 

This includes U.S. Highway 169 between mile markers 76 and 84.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in The Twin Cities.

&&

LAT...LON 4448 9404 4466 9394 4461 9368 4441 9380
TIME...MOT...LOC 2238Z 288DEG 17KT 4459 9397 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

JLT
3 follow-up statements
274 
WWUS53 KMPX 052314
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
614 PM CDT Fri Jul 5 2019

MNC143-052322-
/O.CAN.KMPX.SV.W.0085.000000T0000Z-190705T2330Z/
Sibley MN-
614 PM CDT Fri Jul 5 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SIBLEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4444 9392 4445 9393 4449 9389 4453 9389
      4460 9384 4457 9370 4441 9380
TIME...MOT...LOC 2312Z 301DEG 23KT 4452 9384 

$$

MNC079-139-052330-
/O.CON.KMPX.SV.W.0085.000000T0000Z-190705T2330Z/
Le Sueur MN-Scott MN-
614 PM CDT Fri Jul 5 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHWESTERN LE SUEUR AND SOUTHWESTERN SCOTT COUNTIES...

At 612 PM CDT, a severe thunderstorm was located in northwestern Le 
Sueur County, or 25 miles northeast of Mankato, moving southeast at 
25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Le Sueur and St Thomas. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
The Twin Cities.

&&

LAT...LON 4444 9392 4445 9393 4449 9389 4453 9389
      4460 9384 4457 9370 4441 9380
TIME...MOT...LOC 2312Z 301DEG 23KT 4452 9384 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

JLT
528 
WWUS53 KMPX 052320
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
620 PM CDT Fri Jul 5 2019

MNC139-052329-
/O.CAN.KMPX.SV.W.0085.000000T0000Z-190705T2330Z/
Scott MN-
620 PM CDT Fri Jul 5 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SCOTT COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4444 9392 4445 9393 4449 9389 4453 9389
      4454 9384 4454 9372 4441 9380
TIME...MOT...LOC 2319Z 294DEG 18KT 4450 9379 

$$

MNC079-052330-
/O.CON.KMPX.SV.W.0085.000000T0000Z-190705T2330Z/
Le Sueur MN-
620 PM CDT Fri Jul 5 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHWESTERN LE SUEUR COUNTY...

At 619 PM CDT, a severe thunderstorm was located near Le Sueur, or 24
miles northeast of Mankato, moving southeast at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Le Sueur and St Thomas. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
The Twin Cities.

&&

LAT...LON 4444 9392 4445 9393 4449 9389 4453 9389
      4454 9384 4454 9372 4441 9380
TIME...MOT...LOC 2319Z 294DEG 18KT 4450 9379 

HAIL...1.25IN
WIND...60MPH
 
$$

JLT
591 
WWUS53 KMPX 052327
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
627 PM CDT Fri Jul 5 2019

MNC079-052336-
/O.EXP.KMPX.SV.W.0085.000000T0000Z-190705T2330Z/
Le Sueur MN-
627 PM CDT Fri Jul 5 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LE SUEUR COUNTY
WILL EXPIRE AT 630 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4444 9392 4445 9393 4449 9389 4453 9389
      4454 9384 4454 9372 4441 9380
TIME...MOT...LOC 2326Z 288DEG 17KT 4449 9375 

$$

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 1:09 PM CDTSpecial Weather StatementMPXYellow Medicine66 min
Jul 5, 4:23 PM CDTTornado WarningMPXRedwood, Renville26 min
Jul 5, 4:37 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley38 min
Jul 5, 5:13 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Jul 5, 5:45 PM CDTTornado WarningMPXScott, Sibley30 min
Jul 5, 6:01 PM CDTTornado WarningMPXLe Sueur29 min
Jul 5, 6:30 PM CDTSpecial Weather StatementMPXLe Sueur45 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019Every severe thunderstorm warning in 2019

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.