Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 44, NWS Twin Cities, MN

August 13, 2019Waseca County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 13, 2019, 3:38 PM CDT for Waseca County, Minnesota. It was in force for 37 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
Aug 13, 2019, 3:38 PM CDT (20:38 UTC)
Expired
Aug 13, 2019, 4:15 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Waseca County, MN

The radar

The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 20:37 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, 4:15 PM CDTHAIL 1.25Waseca, 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, 8.6 hours before the alert went out and 82 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.

266 
WFUS53 KMPX 132038
TORMPX
MNC161-132115-
/O.NEW.KMPX.TO.W.0044.190813T2038Z-190813T2115Z/

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

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Northern Waseca County in south central Minnesota...

* Until 415 PM CDT.
    
* At 338 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Janesville, or 13 miles east of Mankato, moving
  southeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation. Law enforcement reported a 
           funnel cloud.

  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...
  Waseca around 355 PM CDT.

Other locations impacted by this tornadic thunderstorm include Smiths
Mill and Waseca Airport.

This includes U.S. Highway 14 between mile markers 144 and 160.
 
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 4411 9377 4418 9377 4419 9376 4412 9346
      4400 9353
TIME...MOT...LOC 2038Z 296DEG 28KT 4413 9373 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SPD
3 follow-up statements
768 
WWUS53 KMPX 132048
SVSMPX

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

MNC161-132115-
/O.CON.KMPX.TO.W.0044.000000T0000Z-190813T2115Z/
Waseca MN-
348 PM CDT Tue Aug 13 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN
WASECA COUNTY...
    
At 348 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Janesville, or 18 miles east of Mankato, moving
southeast at 30 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...
  Waseca around 355 PM CDT.

Other locations impacted by this tornadic thunderstorm include Waseca
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 4408 9371 4418 9370 4412 9346 4400 9353
TIME...MOT...LOC 2048Z 296DEG 28KT 4409 9363 

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

$$

SPD
913 
WWUS53 KMPX 132101
SVSMPX

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

MNC161-132115-
/O.CON.KMPX.TO.W.0044.000000T0000Z-190813T2115Z/
Waseca MN-
401 PM CDT Tue Aug 13 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR CENTRAL
WASECA COUNTY...
    
At 401 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Waseca, or 16 miles west of Owatonna, moving
southeast 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 tornadic thunderstorm will remain over mainly rural areas of
central Waseca County.

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 4407 9358 4407 9357 4404 9351 4400 9353
      4404 9359
TIME...MOT...LOC 2101Z 305DEG 21KT 4403 9355 

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

$$

SPD
824 
WWUS53 KMPX 132112
SVSMPX

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

MNC161-132122-
/O.EXP.KMPX.TO.W.0044.000000T0000Z-190813T2115Z/
Waseca MN-
412 PM CDT Tue Aug 13 2019

...THE TORNADO WARNING FOR CENTRAL WASECA COUNTY WILL EXPIRE AT 415
PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4407 9358 4407 9357 4404 9351 4400 9353
      4404 9359
TIME...MOT...LOC 2112Z 296DEG 28KT 4400 9345 

$$

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, 3:25 PM CDTTornado WarningMPXBlue Earth, Le Sueur, Waseca17 min
Aug 13, 3:35 PM CDTSevere Thunderstorm WarningMPXWaseca25 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.