Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 43, NWS Twin Cities, MN

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

NWS Twin Cities, MN issued this tornado warning at Aug 13, 2019, 3:25 PM CDT for Blue Earth County, Le Sueur County, Waseca County, Minnesota. It was in force for 17 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
Aug 13, 2019, 3:25 PM CDT (20:25 UTC)
Expired
Aug 13, 2019, 3:42 PM CDT
In force
17 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, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 75 km from the middle of the area, began a volume at 20:24 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
Aug 13, 3:28 PM CDTHAIL 1.75Madison Lake, MNRELAYED REPORT FROM SPOTTER.
Aug 13, 3:44 PM CDTHAIL 1Elysian, MNRELAYED BY LAW ENFORCEMENT.
Aug 13, 3:46 PM CDTHAIL 1Elysian, MN

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, 8.4 hours before the alert went out and 75 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 2019-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 2019-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
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.

450 
WFUS53 KMPX 132025
TORMPX
MNC013-079-161-132100-
/O.NEW.KMPX.TO.W.0043.190813T2025Z-190813T2100Z/

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

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  South central Le Sueur County in south central Minnesota...
  Northeastern Blue Earth County in south central Minnesota...
  Northwestern Waseca County in south central Minnesota...

* Until 400 PM CDT.
    
* At 325 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Madison Lake, or 9 miles east of Mankato, moving
  east at 25 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 dangerous storm will be near...
  Elysian around 340 PM CDT.
  Waterville around 350 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Greenland.

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 4418 9386 4423 9384 4421 9355 4411 9361
TIME...MOT...LOC 2025Z 286DEG 23KT 4421 9381 

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

$$

SPD
1 follow-up statement
254 
WWUS53 KMPX 132042
SVSMPX

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

MNC013-079-161-132051-
/O.CAN.KMPX.TO.W.0043.000000T0000Z-190813T2100Z/
Le Sueur MN-Blue Earth MN-Waseca MN-
342 PM CDT Tue Aug 13 2019

...THE TORNADO WARNING FOR SOUTH CENTRAL LE SUEUR...NORTHEASTERN BLUE
EARTH AND NORTHWESTERN WASECA COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

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

Remember, a Severe Thunderstorm Warning still remains in effect for
northern Waseca County.

LAT...LON 4418 9386 4423 9384 4421 9355 4411 9361
TIME...MOT...LOC 2040Z 286DEG 23KT 4418 9367 

$$

SPD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 2:51 AM CDTDense Fog AdvisoryMPXBlue Earth, Brown, Faribault, Freeborn, Kandiyohi, Le Sueur and 10 more6 hr
Aug 13, 1:40 PM CDTSpecial Weather StatementMPXDouglas, Kandiyohi, McLeod, Meeker, Renville, Sibley and 2 more2 hr
Aug 13, 1:52 PM CDTTornado WarningMPXKandiyohi25 min
Aug 13, 2:53 PM CDTSpecial Weather StatementMPXNicollet37 min
Aug 13, 3:04 PM CDTSevere Thunderstorm WarningMPXBenton, Stearns30 min
Aug 13, 3:07 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Waseca38 min
Aug 13, 3:12 PM CDTTornado WarningMPXBlue Earth, Le Sueur19 min
Aug 13, 3:35 PM CDTSevere Thunderstorm WarningMPXWaseca25 min
Aug 13, 3:38 PM CDTTornado WarningMPXWaseca37 min
Aug 13, 4:00 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca25 min
Aug 13, 4:15 PM CDTTornado WarningMPXSteele, Waseca30 min
Aug 13, 4:19 PM CDTSevere Thunderstorm WarningMPXHennepin41 min
Aug 13, 4:43 PM CDTTornado WarningMPXFreeborn, Steele32 min
Aug 13, 4:55 PM CDTSpecial Weather StatementMPXRamsey, Washington50 min
Aug 13, 5:09 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue32 min
Aug 13, 5:09 PM CDTSevere Thunderstorm WarningMPXWashington21 min
Aug 13, 5:20 PM CDTFlash Flood WarningMPXDakota, Ramsey, Washington3 hr
Aug 13, 5:33 PM CDTSevere Thunderstorm WarningMPXGoodhue29 min
Aug 13, 5:44 PM CDTTornado WarningMPXGoodhue20 min

Nearby

Tornado Warnings in Minnesota, 2019Every tornado warning in 2019Tornadoes 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.