Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 42, NWS Twin Cities, MN

August 13, 2019Blue Earth County, Le Sueur County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 13, 2019, 3:12 PM CDT for Blue Earth County, Le Sueur County, Minnesota. It was in force for 19 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: Aug 13, 2019, 3:12 PM CDT (20:12 UTC)
Expired: Aug 13, 2019, 3:31 PM CDT
In force: 19 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Blue Earth County, MN, Le Sueur County, MN

The radar

The Minneapolis radar (KMPX), 75 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 74 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: 55 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 892 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

934 
WFUS53 KMPX 132012
TORMPX
MNC013-079-132045-
/O.NEW.KMPX.TO.W.0042.190813T2012Z-190813T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
312 PM CDT Tue Aug 13 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southwestern Le Sueur County in south central Minnesota...
  Northeastern Blue Earth County in south central Minnesota...

* Until 345 PM CDT.
    
* At 312 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Kasota, or near Mankato, moving southeast at 15
  mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southwestern Le Sueur and northeastern Blue Earth Counties,
  including the following locations... Mankato Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4417 9384 4423 9402 4428 9400 4425 9380
TIME...MOT...LOC 2012Z 293DEG 13KT 4425 9394 

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

$$

SPD

2 follow-up statements

588 
WWUS53 KMPX 132023
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
323 PM CDT Tue Aug 13 2019

MNC079-132032-
/O.CAN.KMPX.TO.W.0042.000000T0000Z-190813T2045Z/
Le Sueur MN-
323 PM CDT Tue Aug 13 2019

...THE TORNADO WARNING FOR SOUTHWESTERN LE SUEUR COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4417 9384 4420 9393 4424 9391 4424 9381
      4423 9381
TIME...MOT...LOC 2022Z 293DEG 13KT 4423 9389 

$$

MNC013-132045-
/O.CON.KMPX.TO.W.0042.000000T0000Z-190813T2045Z/
Blue Earth MN-
323 PM CDT Tue Aug 13 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
NORTHEASTERN BLUE EARTH COUNTY...
    
At 322 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Madison Lake, or near Mankato, moving southeast at
15 mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Mankato Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4417 9384 4420 9393 4424 9391 4424 9381
      4423 9381
TIME...MOT...LOC 2022Z 293DEG 13KT 4423 9389 

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

$$

SPD

544 
WWUS53 KMPX 132031
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
331 PM CDT Tue Aug 13 2019

MNC013-132040-
/O.CAN.KMPX.TO.W.0042.000000T0000Z-190813T2045Z/
Blue Earth MN-
331 PM CDT Tue Aug 13 2019

...THE TORNADO WARNING FOR NORTHEASTERN BLUE EARTH COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

Remember, a Tornado Warning still remains in effect for parts of 
northeastern Blue Earth County.

LAT...LON 4417 9384 4420 9393 4424 9391 4424 9381
      4423 9381
TIME...MOT...LOC 2030Z 293DEG 13KT 4422 9385 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 2:51 AM CDT	Dense Fog Advisory	MPX	Blue Earth, Brown, Faribault, Freeborn, Kandiyohi, Le Sueur and 10 more	6 hr
Aug 13, 1:40 PM CDT	Special Weather Statement	MPX	Douglas, Kandiyohi, McLeod, Meeker, Renville, Sibley and 2 more	2 hr
Aug 13, 1:52 PM CDT	Tornado Warning	MPX	Kandiyohi	25 min
Aug 13, 2:53 PM CDT	Special Weather Statement	MPX	Nicollet	37 min
Aug 13, 3:04 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Stearns	30 min
Aug 13, 3:07 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Waseca	38 min
Aug 13, 3:25 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Waseca	17 min
Aug 13, 3:35 PM CDT	Severe Thunderstorm Warning	MPX	Waseca	25 min
Aug 13, 3:38 PM CDT	Tornado Warning	MPX	Waseca	37 min
Aug 13, 4:00 PM CDT	Severe Thunderstorm Warning	MPX	Steele, Waseca	25 min
Aug 13, 4:15 PM CDT	Tornado Warning	MPX	Steele, Waseca	30 min
Aug 13, 4:19 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	41 min
Aug 13, 4:43 PM CDT	Tornado Warning	MPX	Freeborn, Steele	32 min
Aug 13, 4:55 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	50 min
Aug 13, 5:09 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	32 min
Aug 13, 5:09 PM CDT	Severe Thunderstorm Warning	MPX	Washington	21 min
Aug 13, 5:20 PM CDT	Flash Flood Warning	MPX	Dakota, Ramsey, Washington	3 hr
Aug 13, 5:33 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	29 min
Aug 13, 5:44 PM CDT	Tornado Warning	MPX	Goodhue	20 min

Nearby

Tornado Warnings in Minnesota, 2019 Every tornado warning in 2019 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.