Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 75, NWS Twin Cities, MN

June 17, 2018Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2018, 5:13 PM CDT for Chippewa County, Wisconsin. It was in force for 47 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, 5:13 PM CDT (22:13 UTC)
Expired
Jun 17, 2018, 6:00 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Chippewa County, WI

The radar

The La Crosse radar (KARX), 145 km from the middle of the area, began a volume at 22:12 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, 10.2 hours before the alert went out and 169 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.

298 
WUUS53 KMPX 172213
SVRMPX
WIC017-172300-
/O.NEW.KMPX.SV.W.0075.180617T2213Z-180617T2300Z/

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

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Chippewa County in west central Wisconsin...

* Until 600 PM CDT.

* At 513 PM CDT, a severe thunderstorm was located near Tilden, or 9
  miles northwest of Eau Claire, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Chippewa Falls and Bloomer around 520 PM CDT.
  Cornell around 545 PM CDT.

Other locations impacted by this severe thunderstorm include
Holcombe, Tilden, Bateman, Eau Claire Airport, Otter Lake, Jim Falls,
Eagleton and Chippewa Moraine State Rec Area.
 
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 4486 9165 4512 9165 4512 9167 4518 9167
      4521 9161 4521 9155 4524 9154 4530 9143
      4529 9093 4486 9092
TIME...MOT...LOC 2213Z 238DEG 38KT 4497 9154 

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

BORGHOFF
3 follow-up statements
649 
WWUS53 KMPX 172228
SVSMPX

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

WIC017-172300-
/O.CON.KMPX.SV.W.0075.000000T0000Z-180617T2300Z/
Chippewa WI-
528 PM CDT SUN JUN 17 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR CHIPPEWA COUNTY...

At 528 PM CDT, a severe thunderstorm was located over Jim Falls, or
14 miles northeast of Eau Claire, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Cornell around 540 PM CDT.

Other locations impacted by this severe thunderstorm include
Holcombe, Tilden, Bateman, Otter Lake, Jim Falls, Eagleton and
Chippewa Moraine State Rec Area.

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 4486 9145 4497 9144 4503 9164 4512 9165
      4512 9167 4518 9167 4521 9161 4521 9155
      4524 9154 4530 9143 4529 9093 4486 9092
TIME...MOT...LOC 2228Z 251DEG 49KT 4504 9127 

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

BORGHOFF
284 
WWUS53 KMPX 172240
SVSMPX

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

WIC017-172300-
/O.CON.KMPX.SV.W.0075.000000T0000Z-180617T2300Z/
Chippewa WI-
540 PM CDT SUN JUN 17 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHEASTERN CHIPPEWA COUNTY...

At 540 PM CDT, a severe thunderstorm was located near Cadott, or 20
miles northeast of Eau Claire, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
southeastern Chippewa County, including the following locations...
Otter Lake.

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 west central
Wisconsin.

LAT...LON 4486 9127 4516 9122 4522 9093 4486 9092
TIME...MOT...LOC 2240Z 243DEG 36KT 4504 9111 

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

BORGHOFF
395 
WWUS53 KMPX 172259
SVSMPX

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

WIC017-172309-
/O.EXP.KMPX.SV.W.0075.000000T0000Z-180617T2300Z/
Chippewa WI-
559 PM CDT SUN JUN 17 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHIPPEWA COUNTY
WILL EXPIRE AT 600 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 4486 9127 4516 9122 4522 9093 4486 9092
TIME...MOT...LOC 2259Z 238DEG 38KT 4514 9087 

$$

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, 5:32 PM CDTSevere Thunderstorm WarningMPXBarron, Polk43 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.