Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Twin Cities, MN

May 25, 2018Barron County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2018, 4:46 PM CDT for Barron County, Dunn County, Wisconsin. It was in force for 44 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: May 25, 2018, 4:46 PM CDT (21:46 UTC)
Expired: May 25, 2018, 5:30 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barron County, WI, Dunn County, WI

The radar

The Minneapolis radar (KMPX), 122 km from the middle of the area, began a volume at 21:45 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 25, 2:02 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.8 hours before the alert went out and 125 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 543 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

384 
WUUS53 KMPX 252146
SVRMPX
WIC005-033-252230-
/O.NEW.KMPX.SV.W.0021.180525T2146Z-180525T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
446 PM CDT FRI MAY 25 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northwestern Dunn County in west central Wisconsin...
  Southwestern Barron County in northwestern Wisconsin...

* Until 530 PM CDT

* At 446 PM CDT, a severe thunderstorm was located over Reeve, or 24
  miles northwest of Menomonie, moving southeast 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. 

* This severe thunderstorm will be near,
  Boyceville around 515 PM CDT. 

Other locations impacted by this severe thunderstorm include
Connorsville and Reeve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9208 4518 9217 4526 9216 4529 9209
      4512 9184
TIME...MOT...LOC 2146Z 319DEG 21KT 4521 9214 

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

jrb

2 follow-up statements

846 
WWUS53 KMPX 252157
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
457 PM CDT FRI MAY 25 2018

WIC005-252206-
/O.CAN.KMPX.SV.W.0021.000000T0000Z-180525T2230Z/
Barron WI-
457 PM CDT FRI MAY 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BARRON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM CDT for
northwestern and west central Wisconsin.

LAT...LON 4503 9208 4518 9217 4521 9216 4521 9197
      4520 9195 4512 9184
TIME...MOT...LOC 2156Z 327DEG 21KT 4516 9207 

$$

WIC033-252230-
/O.CON.KMPX.SV.W.0021.000000T0000Z-180525T2230Z/
Dunn WI-
457 PM CDT FRI MAY 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHWESTERN DUNN COUNTY...

At 456 PM CDT, a severe thunderstorm was located over Connorsville,
or 20 miles northwest of Menomonie, moving southeast 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. 

This severe storm will be near...
  Boyceville around 515 PM CDT. 

Other locations impacted by this severe thunderstorm include
Connorsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9208 4518 9217 4521 9216 4521 9197
      4520 9195 4512 9184
TIME...MOT...LOC 2156Z 327DEG 21KT 4516 9207 

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

jrb

413 
WWUS53 KMPX 252220
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
520 PM CDT FRI MAY 25 2018

WIC033-252230-
/O.CON.KMPX.SV.W.0021.000000T0000Z-180525T2230Z/
Dunn WI-
520 PM CDT FRI MAY 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHWESTERN DUNN COUNTY...

At 519 PM CDT, a severe thunderstorm was located over Connorsville,
or 16 miles northwest of Menomonie, moving southeast at 20 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. 

This severe storm will be near...
  Boyceville around 530 PM CDT. 

Other locations impacted by this severe thunderstorm include
Connorsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 9208 4518 9217 4520 9207 4509 9191
TIME...MOT...LOC 2219Z 316DEG 18KT 4511 9207 

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

jrb

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:43 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	47 min
May 24, 8:23 PM CDT	Special Weather Statement	MPX	Pierce, Saint Croix	37 min
May 24, 9:03 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	28 min
May 25, 7:07 AM CDT	Special Weather Statement	MPX	Pepin	23 min
May 25, 7:55 AM CDT	Special Weather Statement	MPX	Eau Claire	50 min
May 25, 10:00 AM CDT	Special Weather Statement	MPX	Eau Claire	60 min
May 25, 10:58 AM CDT	Special Weather Statement	MPX	Eau Claire	62 min
May 25, 3:33 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	24 min
May 25, 3:45 PM CDT	Special Weather Statement	MPX	Polk	45 min
May 25, 4:49 PM CDT	Special Weather Statement	MPX	Chippewa	26 min
May 25, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	57 min
May 25, 5:04 PM CDT	Special Weather Statement	MPX	Saint Croix	26 min
May 25, 6:01 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	44 min
May 25, 6:42 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn	37 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018 Every 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.