Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 16, NWS Twin Cities, MN

May 25, 2016Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2016, 4:21 PM CDT for Eau Claire County, Wisconsin. It was in force for 24 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, 2016, 4:21 PM CDT (21:21 UTC)
Expired: May 25, 2016, 4:45 PM CDT
In force: 24 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Eau Claire County, WI

The radar

The La Crosse radar (KARX), 99 km from the middle of the area, began a volume at 21:22 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 206 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: 452 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

259 
WUUS53 KMPX 252121
SVRMPX
WIC035-252145-
/O.NEW.KMPX.SV.W.0016.160525T2121Z-160525T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
421 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 445 PM CDT

* AT 421 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROCK DAM
  LAKE...OR 22 MILES NORTHWEST OF NEILLSVILLE...MOVING NORTHEAST AT 25
  MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  AUGUSTA AND FAIRCHILD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN THE TWIN CITIES.

&&

LAT...LON 4460 9100 4467 9117 4486 9099 4486 9092
      4460 9092
TIME...MOT...LOC 2121Z 222DEG 22KT 4473 9097 

HAIL...1.25IN
WIND...60MPH
 
$$

JPC

1 follow-up statement

355 
WWUS53 KMPX 252142
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
442 PM CDT WED MAY 25 2016

WIC035-252151-
/O.EXP.KMPX.SV.W.0016.000000T0000Z-160525T2145Z/
EAU CLAIRE WI-
442 PM CDT WED MAY 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN EAU CLAIRE COUNTY WILL
EXPIRE AT 445 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4460 9100 4467 9117 4486 9099 4486 9092
      4460 9092
TIME...MOT...LOC 2140Z 222DEG 22KT 4473 9097 

$$

JPC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 2:31 PM CDT	Special Weather Statement	MPX	Barron, Chippewa, Dunn, Eau Claire, Rusk	59 min
May 25, 4:00 PM CDT	Special Weather Statement	MPX	Eau Claire	60 min
May 25, 4:37 PM CDT	Special Weather Statement	MPX	Chippewa, Eau Claire	53 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016 Every severe thunderstorm warning in 2016

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.