Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 54, NWS Twin Cities, MN

September 24, 2019Goodhue County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 24, 2019, 7:00 PM CDT for Goodhue County, Minnesota. It was in force for 30 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
Sep 24, 2019, 7:00 PM CDT (00:00 UTC)
Expired
Sep 24, 2019, 7:30 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 00:05 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 watch it was issued in

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

IssuedProductOfficeLasted
Sep 24, 4:43 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.0 hours before the alert went out and 79 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 2019-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1764 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 2019-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
1764 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
1.5
Supercell composite
10.5

Open this sounding in Storm Lab

The text

As transmitted.

978 
WFUS53 KMPX 250000
TORMPX
MNC049-250045-
/O.NEW.KMPX.TO.W.0054.190925T0000Z-190925T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
700 PM CDT Tue Sep 24 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Central Goodhue County in southeastern Minnesota...

* Until 745 PM CDT.
    
* At 700 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Cannon Falls, or 14 miles west of Red Wing, moving
  east at 25 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...
  Welch around 720 PM CDT.
  Red Wing around 730 PM CDT.
 
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 4444 9289 4451 9292 4454 9283 4454 9280
      4456 9279 4462 9262 4460 9258 4461 9258
      4457 9255 4457 9253 4445 9246
TIME...MOT...LOC 0000Z 256DEG 24KT 4449 9284 

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

$$

BORGHOFF
2 follow-up statements
293 
WWUS53 KMPX 250011
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
711 PM CDT Tue Sep 24 2019

MNC049-250045-
/O.CON.KMPX.TO.W.0054.000000T0000Z-190925T0045Z/
Goodhue MN-
711 PM CDT Tue Sep 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
GOODHUE COUNTY...
    
At 711 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Welch, or 9 miles west of Red Wing, moving east 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...
  Welch around 720 PM CDT.
  Red Wing around 730 PM CDT.

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 4445 9276 4454 9281 4454 9280 4456 9279
      4462 9262 4460 9258 4461 9258 4457 9255
      4457 9253 4445 9246
TIME...MOT...LOC 0011Z 256DEG 24KT 4451 9274 

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

$$

BORGHOFF
770 
WWUS53 KMPX 250030
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
730 PM CDT Tue Sep 24 2019

MNC049-250040-
/O.CAN.KMPX.TO.W.0054.000000T0000Z-190925T0045Z/
Goodhue MN-
730 PM CDT Tue Sep 24 2019

...THE TORNADO WARNING FOR CENTRAL GOODHUE COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until midnight CDT for southeastern
and east central Minnesota...and west central Wisconsin.

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 4445 9276 4454 9281 4454 9280 4456 9279
      4462 9262 4460 9258 4461 9258 4457 9255
      4457 9253 4445 9246
TIME...MOT...LOC 0029Z 256DEG 24KT 4454 9257 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 7:03 PM CDTSevere Thunderstorm WarningMPXRice, Steele, Waseca27 min
Sep 24, 7:13 PM CDTTornado WarningMPXSteele32 min
Sep 24, 7:16 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Scott44 min
Sep 24, 7:34 PM CDTSevere Thunderstorm WarningMPXGoodhue26 min
Sep 24, 8:14 PM CDTSevere Thunderstorm WarningMPXDakota, Washington31 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.