Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS La Crosse, WI

May 25, 2018Vernon County, Wisconsin; Houston County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at May 25, 2018, 5:27 PM CDT for Vernon County, Wisconsin; Houston County, Minnesota. It was in force for 48 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 25, 2018, 5:27 PM CDT (22:27 UTC)
Expired: May 25, 2018, 6:15 PM CDT
In force: 48 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Houston County, MN, Vernon County, WI

The radar

The La Crosse radar (KARX), 23 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.

What was reported inside it

Time	Report	Where	Remark
May 25, 5:40 PM CDT	TSTM WND DMG	Caledonia, MN	NUMEROUS TREES DOWN AND SOME POWER LINES DOWN BETWEEN HOUSTON AND BROWNSVILLE.
May 25, 5:45 PM CDT	TSTM WND GST 35	5 Ne Stoddard, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 10.5 hours before the alert went out and 231 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.

237 
WUUS53 KARX 252227
SVRARX
MNC055-WIC123-252315-
/O.NEW.KARX.SV.W.0013.180525T2227Z-180525T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
527 PM CDT FRI MAY 25 2018

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Eastern Houston County in southeastern Minnesota...
  Northwestern Vernon County in southwestern Wisconsin...

* Until 615 PM CDT

* At 526 PM CDT, a severe thunderstorm was located near Hokah, or
  near Caledonia, 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 thunderstorm will be near...
  Brownsville around 540 PM CDT. 
  Stoddard around 555 PM CDT. 

Other locations impacted by this severe thunderstorm include Mound
Prairie, Reno, Genoa, County Roads K And O and Highway 44 And Sanden
Road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If boating on the Mississippi River, get away from the water and 
move indoors or inside a vehicle. Remember, lightning can strike out 
to 15 miles from the parent thunderstorm. If you can hear thunder, 
you are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4349 9122 4350 9122 4350 9124 4366 9157
      4381 9143 4376 9125 4373 9126 4373 9114
      4372 9112 4348 9120
TIME...MOT...LOC 2226Z 303DEG 19KT 4369 9141 

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

DAS

1 follow-up statement

929 
WWUS53 KARX 252242
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
542 PM CDT FRI MAY 25 2018

MNC055-WIC123-252315-
/O.CON.KARX.SV.W.0013.000000T0000Z-180525T2315Z/
Houston MN-Vernon WI-
542 PM CDT FRI MAY 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN HOUSTON AND NORTHWESTERN VERNON COUNTIES...

At 541 PM CDT, a severe thunderstorm was located near Brownsville, or
9 miles east of Caledonia, moving southeast at 20 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

This severe storm will be near...
  Stoddard around 550 PM CDT. 

Other locations impacted by this severe thunderstorm include Reno,
Genoa, County Roads K And O, County Roads 3 And 24 and Romance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on the Mississippi River, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4349 9122 4350 9122 4350 9124 4365 9155
      4371 9141 4373 9126 4373 9114 4372 9112
      4348 9120
TIME...MOT...LOC 2241Z 303DEG 19KT 4364 9131 

HAIL...1.00IN
WIND...<50MPH
 
$$

DAS

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 2:47 PM CDT	Special Weather Statement	ARX	Buffalo	28 min
May 25, 3:28 PM CDT	Severe Thunderstorm Warning	ARX	Trempealeau	32 min
May 25, 3:50 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	25 min
May 25, 4:21 PM CDT	Special Weather Statement	ARX	Trempealeau	24 min
May 25, 4:59 PM CDT	Special Weather Statement	ARX	La Crosse	31 min
May 25, 4:59 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Taylor	46 min
May 25, 5:37 PM CDT	Severe Thunderstorm Warning	ARX	Taylor	35 min
May 25, 6:06 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Vernon	24 min
May 25, 6:43 PM CDT	Severe Thunderstorm Warning	ARX	Crawford	47 min
May 25, 2:31 PM CDT	Special Weather Statement	ARX	Winona	44 min
May 25, 2:40 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Winona	20 min
May 25, 3:25 PM CDT	Special Weather Statement	ARX	Winona	35 min
May 25, 3:36 PM CDT	Severe Thunderstorm Warning	ARX	Winona	39 min
May 25, 4:11 PM CDT	Special Weather Statement	ARX	Mower	34 min
May 25, 4:12 PM CDT	Severe Thunderstorm Warning	ARX	Winona	18 min
May 25, 4:43 PM CDT	Special Weather Statement	ARX	Mower	32 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018 Severe Thunderstorm Warnings in Minnesota, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.