Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 76, NWS Twin Cities, MN

June 17, 2018Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2018, 5:32 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 43 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 17, 2018, 5:32 PM CDT (22:32 UTC)
Expired
Jun 17, 2018, 6:15 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Barron County, WI, Polk County, WI

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 22:31 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
Jun 17, 12:34 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 114 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 2018-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 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 2018-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
1067 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1089 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

295 
WUUS53 KMPX 172232
SVRMPX
WIC005-095-172315-
/O.NEW.KMPX.SV.W.0076.180617T2232Z-180617T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
532 PM CDT SUN JUN 17 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Western Barron County in northwestern Wisconsin...
  Southeastern Polk County in northwestern Wisconsin...

* Until 615 PM CDT.

* At 532 PM CDT, a severe thunderstorm was located over Deronda, or
  30 miles north of River Falls, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Amery, Cumberland, Clear Lake, Turtle Lake, Almena, Clayton,
  Prairie Farm, Dallas, Arland, Cumberland Airport, Hillsdale and
  Range.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

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

LAT...LON 4521 9257 4532 9258 4557 9199 4521 9180
TIME...MOT...LOC 2232Z 244DEG 21KT 4528 9242 

HAIL...1.00IN
WIND...60MPH
 
$$

BORGHOFF
2 follow-up statements
920 
WWUS53 KMPX 172252
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
552 PM CDT SUN JUN 17 2018

WIC005-095-172315-
/O.CON.KMPX.SV.W.0076.000000T0000Z-180617T2315Z/
Barron WI-Polk WI-
552 PM CDT SUN JUN 17 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR WESTERN BARRON AND SOUTHEASTERN POLK COUNTIES...

At 552 PM CDT, severe thunderstorms were located along a line
extending from near Wanderoos to near Arland, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Amery, Cumberland, Clear Lake, Turtle Lake, Almena, Clayton, Prairie
Farm, Dallas, Arland, Cumberland Airport, Hillsdale and Range.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

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

LAT...LON 4521 9257 4532 9258 4557 9199 4521 9180
TIME...MOT...LOC 2252Z 262DEG 38KT 4529 9254 4537 9200 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
853 
WWUS53 KMPX 172312
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
612 PM CDT SUN JUN 17 2018

WIC005-095-172316-
/O.EXP.KMPX.SV.W.0076.000000T0000Z-180617T2315Z/
Barron WI-Polk WI-
612 PM CDT SUN JUN 17 2018

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BARRON AND
SOUTHEASTERN POLK COUNTIES WILL EXPIRE AT 615 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

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

LAT...LON 4521 9257 4532 9258 4557 9199 4521 9180
TIME...MOT...LOC 2306Z 244DEG 21KT 4533 9244 4541 9190 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:44 PM CDTFlash Flood WatchMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more16 hr
Jun 17, 4:09 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire24 min
Jun 17, 5:13 PM CDTSevere Thunderstorm WarningMPXChippewa47 min
Jun 17, 6:16 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn, Rusk44 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018Every severe thunderstorm warning in 2018

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.