Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 50, NWS Twin Cities, MN

September 2, 2019Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 2, 2019, 10:44 PM CDT for Le Sueur County, Rice County, Minnesota. It was in force for 31 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
Sep 2, 2019, 10:44 PM CDT (03:44 UTC)
Expired
Sep 2, 2019, 11:15 PM CDT
In force
31 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Le Sueur County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 60 km from the middle of the area, began a volume at 03:45 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
Sep 2, 11:15 PM CDTHAIL 12 N Morristown, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 2, 6:57 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.7 hours before the alert went out and 60 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 00:00Z on 2019-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 00:00Z on 2019-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
44 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
380 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

307 
WFUS53 KMPX 030344
TORMPX
MNC079-131-030415-
/O.NEW.KMPX.TO.W.0050.190903T0344Z-190903T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
1044 PM CDT Mon Sep 2 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southeastern Le Sueur County in south central Minnesota...
  Southwestern Rice County in south central Minnesota...

* Until 1115 PM CDT.
    
* At 1044 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Le Center, or 19 miles northeast of
  Mankato, moving east at 55 mph.

  HAZARD...Tornado.

  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...
  Faribault, Morristown and Warsaw around 1105 PM CDT.

Other locations impacted by this tornadic thunderstorm include St
Henry, Kilkenny and Lake Jefferson.

This includes Interstate 35 between mile markers 55 and 60.
 
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 4430 9391 4444 9383 4432 9322 4419 9337
TIME...MOT...LOC 0344Z 288DEG 49KT 4438 9372 

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

$$

JLT
3 follow-up statements
002 
WWUS53 KMPX 030353
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1053 PM CDT Mon Sep 2 2019

MNC079-131-030415-
/O.CON.KMPX.TO.W.0050.000000T0000Z-190903T0415Z/
Le Sueur MN-Rice MN-
1053 PM CDT Mon Sep 2 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
SOUTHEASTERN LE SUEUR AND SOUTHWESTERN RICE COUNTIES...
    
At 1053 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Le Center, or 18 miles west of Faribault, moving
southeast at 40 mph.

HAZARD...Tornado.

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...
  Waterville around 1105 PM CDT.
  Faribault, Morristown and Warsaw around 1115 PM CDT.

Other locations impacted by this tornadic thunderstorm include St
Henry, Kilkenny and Lake Jefferson.

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 4430 9391 4444 9383 4432 9322 4419 9337
TIME...MOT...LOC 0353Z 300DEG 33KT 4433 9365 

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

$$

JLT
087 
WWUS53 KMPX 030401
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1101 PM CDT Mon Sep 2 2019

MNC079-131-030415-
/O.CON.KMPX.TO.W.0050.000000T0000Z-190903T0415Z/
Le Sueur MN-Rice MN-
1101 PM CDT Mon Sep 2 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
SOUTHEASTERN LE SUEUR AND SOUTHWESTERN RICE COUNTIES...
    
At 1100 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Waterville, or 14 miles west of Faribault, moving
southeast at 40 mph.

HAZARD...Tornado.

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...
  Morristown and Warsaw around 1115 PM CDT.
  Faribault around 1120 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Kilkenny.

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 4427 9377 4439 9361 4432 9322 4419 9337
TIME...MOT...LOC 0400Z 297DEG 35KT 4430 9358 

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

$$

JLT
709 
WWUS53 KMPX 030411
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1111 PM CDT Mon Sep 2 2019

MNC079-131-030421-
/O.EXP.KMPX.TO.W.0050.000000T0000Z-190903T0415Z/
Le Sueur MN-Rice MN-
1111 PM CDT Mon Sep 2 2019

...THE TORNADO WARNING FOR SOUTHEASTERN LE SUEUR AND SOUTHWESTERN
RICE COUNTIES WILL EXPIRE AT 1115 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
south central Minnesota.

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

LAT...LON 4427 9377 4439 9361 4432 9322 4419 9337
TIME...MOT...LOC 0411Z 291DEG 44KT 4424 9346 

$$

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 7:37 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens53 min
Sep 2, 8:01 PM CDTSpecial Weather StatementMPXTodd59 min
Sep 2, 8:20 PM CDTSevere Thunderstorm WarningMPXDouglas, Kandiyohi, Pope, Stearns, Stevens, Swift and 1 more55 min
Sep 2, 8:51 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Swift39 min
Sep 2, 8:56 PM CDTSpecial Weather StatementMPXMorrison64 min
Sep 2, 9:08 PM CDTSevere Thunderstorm WarningMPXKandiyohi, McLeod, Meeker, Sherburne, Stearns, Wright52 min
Sep 2, 9:19 PM CDTTornado WarningMPXMeeker26 min
Sep 2, 9:28 PM CDTSpecial Weather StatementMPXBenton, Isanti, Kanabec, Mille Lacs62 min
Sep 2, 9:37 PM CDTSevere Thunderstorm WarningMPXBenton, Isanti, Kanabec, Mille Lacs, Sherburne38 min
Sep 2, 9:46 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Hennepin, Isanti, McLeod, Ramsey and 3 more59 min
Sep 2, 10:09 PM CDTSpecial Weather StatementMPXChisago66 min
Sep 2, 10:13 PM CDTTornado WarningMPXHennepin19 min
Sep 2, 10:22 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Le Sueur, Ramsey, Rice, Scott and 1 more53 min
Sep 2, 11:07 PM CDTSpecial Weather StatementMPXGoodhue, Rice53 min
Sep 2, 11:13 PM CDTSpecial Weather StatementMPXRice32 min
Sep 2, 11:48 PM CDTSpecial Weather StatementMPXSteele57 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.