Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 7, NWS Twin Cities, MN

June 20, 2019Redwood County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 20, 2019, 5:37 PM CDT for Redwood County, Minnesota. It was in force for 23 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
Jun 20, 2019, 5:37 PM CDT (22:37 UTC)
Expired
Jun 20, 2019, 6:00 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Observed
Hail
1.5 in

County Redwood County, MN

The radar

The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 127 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 2019-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1592 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-31 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.

975 
WFUS53 KMPX 202237
TORMPX
MNC127-202300-
/O.NEW.KMPX.TO.W.0007.190620T2237Z-190620T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
537 PM CDT Thu Jun 20 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  East central Redwood County in southwestern Minnesota...

* Until 600 PM CDT.

* At 537 PM CDT, a confirmed tornado was located near Redwood Falls,
  moving southeast at 20 mph.

  HAZARD...Damaging tornado and ping pong ball size hail.

  SOURCE...Weather spotters confirmed tornado.

  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.

* The tornado will be near...
  Morgan around 600 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Clements.

This includes U.S. Highway 71 between mile markers 64 and 71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4440 9520 4449 9511 4442 9487 4431 9499
TIME...MOT...LOC 2237Z 303DEG 17KT 4445 9510 

TORNADO...OBSERVED
HAIL...1.50IN

$$
1 follow-up statement
029 
WWUS53 KMPX 202249
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
549 PM CDT Thu Jun 20 2019

MNC127-202300-
/O.CON.KMPX.TO.W.0007.000000T0000Z-190620T2300Z/
Redwood MN-
549 PM CDT Thu Jun 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR EAST
CENTRAL REDWOOD COUNTY...
    
At 549 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Morgan, or 9 miles southeast of Redwood Falls,
moving southeast at 20 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.

This dangerous storm will be near...
  Morgan around 600 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Clements.

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 4439 9513 4447 9505 4442 9487 4431 9499
TIME...MOT...LOC 2249Z 303DEG 17KT 4442 9503 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 3:34 PM CDTSpecial Weather StatementMPXYellow Medicine26 min
Jun 20, 3:40 PM CDTSevere Thunderstorm WarningMPXChippewa, Yellow Medicine35 min
Jun 20, 4:12 PM CDTSevere Thunderstorm WarningMPXYellow Medicine33 min
Jun 20, 4:45 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine45 min
Jun 20, 4:55 PM CDTSpecial Weather StatementMPXBrown50 min
Jun 20, 5:16 PM CDTTornado WarningMPXRedwood29 min
Jun 20, 5:24 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood36 min
Jun 20, 5:55 PM CDTSevere Thunderstorm WarningMPXBrown50 min
Jun 20, 6:10 PM CDTSevere Thunderstorm WarningMPXRedwood20 min
Jun 20, 6:27 PM CDTTornado WarningMPXBrown33 min
Jun 20, 6:29 PM CDTSevere Thunderstorm WarningMPXBrown, Watonwan46 min
Jun 20, 6:37 PM CDTAreal Flood WarningMPXBrown, Redwood3 hr
Jun 20, 6:43 PM CDTTornado Warning Tornado observedMPXWatonwan32 min
Jun 20, 6:46 PM CDTSevere Thunderstorm WarningMPXWatonwan29 min
Jun 20, 6:56 PM CDTTornado WarningMPXWatonwan34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.