Alert archive / Wisconsin / Tornado Warnings in 2019

Tornado Warning 35, NWS Twin Cities, MN

July 28, 2019Pierce County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jul 28, 2019, 4:06 PM CDT for Pierce County, Wisconsin. It was in force for 39 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
Jul 28, 2019, 4:06 PM CDT (21:06 UTC)
Expired
Jul 28, 2019, 4:45 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Pierce County, WI

The radar

The Minneapolis radar (KMPX), 90 km from the middle of the area, began a volume at 21:07 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
Jul 28, 2:51 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 92 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 2019-07-28Temperature 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 2019-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 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
1530 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

196 
WFUS53 KMPX 282106
TORMPX
WIC093-282145-
/O.NEW.KMPX.TO.W.0035.190728T2106Z-190728T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
406 PM CDT Sun Jul 28 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Northwestern Pierce County in west central Wisconsin...

* Until 445 PM CDT.
    
* At 406 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Ellsworth, or 8 miles north of Red Wing, moving
  northeast 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...
  Ellsworth around 415 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Beldenville, Diamond Bluff, El Paso and Martel.

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 4461 9260 4470 9270 4487 9248 4486 9213
      4478 9213
TIME...MOT...LOC 2106Z 228DEG 34KT 4468 9259 

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

$$
2 follow-up statements
024 
WWUS53 KMPX 282121
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
421 PM CDT Sun Jul 28 2019

WIC093-282145-
/O.CON.KMPX.TO.W.0035.000000T0000Z-190728T2145Z/
Pierce WI-
421 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN PIERCE COUNTY...
    
At 421 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Ellsworth, or 9 miles southeast of River Falls,
moving northeast 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Pierce County, including the following locations...
Beldenville, El Paso and Martel.

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 4471 9250 4477 9256 4487 9248 4486 9213
      4478 9213 4470 9235
TIME...MOT...LOC 2121Z 225DEG 33KT 4478 9246 

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

$$
548 
WWUS53 KMPX 282143
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
443 PM CDT Sun Jul 28 2019

WIC093-282153-
/O.EXP.KMPX.TO.W.0035.000000T0000Z-190728T2145Z/
Pierce WI-
443 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR NORTHEASTERN PIERCE COUNTY WILL EXPIRE AT
445 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for west central
Wisconsin.

LAT...LON 4471 9250 4477 9256 4487 9248 4486 9213
      4478 9213 4470 9235
TIME...MOT...LOC 2143Z 228DEG 34KT 4492 9225 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 5:10 PM CDTSevere Thunderstorm WarningMPXPolk50 min
Jul 28, 5:55 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire35 min
Jul 28, 6:29 PM CDTSevere Thunderstorm WarningMPXBarron, Rusk34 min

Nearby

Tornado Warnings in Wisconsin, 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.