Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 89, NWS Twin Cities, MN

July 13, 2015Dunn County, Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2015, 5:41 PM CDT for Dunn County, Saint Croix County, Wisconsin. It was in force for 31 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: Jul 13, 2015, 5:41 PM CDT (22:41 UTC)
Expired: Jul 13, 2015, 6:12 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Dunn County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 22:43 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
Jul 13, 5:50 PM CDT	HAIL 1	2 N Menomonie, WI
Jul 13, 5:50 PM CDT	HAIL 1	2 Nnw Menomonie, 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
Jul 13, 3:11 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 129 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: 1389 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 836 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 230 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

129 
WUUS53 KMPX 132241
SVRMPX
WIC033-109-132330-
/O.NEW.KMPX.SV.W.0089.150713T2241Z-150713T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
541 PM CDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
  CENTRAL DUNN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 630 PM CDT

* AT 540 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KNAPP...OR
  12 MILES NORTHWEST OF MENOMONIE...MOVING EAST AT 35 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. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BOYCEVILLE AROUND 545 PM CDT.
  MENOMONIE AROUND 555 PM CDT.
  COLFAX AROUND 610 PM CDT.
  ELK MOUND AROUND 615 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TAINTER
LAKE...HOFFMAN HILLS REC AREA...CEDAR FALLS...MENOMONIE AIRPORT...
DOWNING AND WILSON.

THIS INCLUDES INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 30 AND
55.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4490 9218 4508 9215 4498 9166 4478 9167
TIME...MOT...LOC 2240Z 287DEG 31KT 4498 9212 

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

DWE

2 follow-up statements

385 
WWUS53 KMPX 132250
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
550 PM CDT MON JUL 13 2015

WIC109-132259-
/O.CAN.KMPX.SV.W.0089.000000T0000Z-150713T2330Z/
ST. CROIX WI-
550 PM CDT MON JUL 13 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ST. CROIX 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 900 PM CDT FOR
WEST CENTRAL WISCONSIN.

LAT...LON 4489 9213 4507 9212 4498 9166 4478 9167
TIME...MOT...LOC 2249Z 291DEG 33KT 4493 9199 

$$

WIC033-132330-
/O.CON.KMPX.SV.W.0089.000000T0000Z-150713T2330Z/
DUNN WI-
550 PM CDT MON JUL 13 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR CENTRAL DUNN COUNTY...

AT 549 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR KNAPP...OR
NEAR MENOMONIE...MOVING EAST AT 40 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. 

THIS SEVERE STORM WILL BE NEAR...
  MENOMONIE AROUND 555 PM CDT.
  ELK MOUND AROUND 615 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE TAINTER
LAKE...HOFFMAN HILLS REC AREA...CEDAR FALLS...MENOMONIE AIRPORT AND
DOWNING.

THIS INCLUDES INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 33 AND
55.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9213 4507 9212 4498 9166 4478 9167
TIME...MOT...LOC 2249Z 291DEG 33KT 4493 9199 

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

DWE

018 
WWUS53 KMPX 132312
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
612 PM CDT MON JUL 13 2015

WIC033-132320-
/O.CAN.KMPX.SV.W.0089.000000T0000Z-150713T2330Z/
DUNN WI-
612 PM CDT MON JUL 13 2015

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DUNN COUNTY IS
CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
WEST CENTRAL WISCONSIN.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR 
SOUTHEAST DUNN AND EASTERN PEPIN COUNTY UNTIL 645 PM.

LAT...LON 4489 9213 4507 9212 4498 9166 4478 9167
TIME...MOT...LOC 2309Z 287DEG 31KT 4488 9174 

$$

DWE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 9:24 PM CDT	Severe Thunderstorm Warning	MPX	Polk	51 min
Jul 12, 9:48 PM CDT	Severe Thunderstorm Warning	MPX	Polk	57 min
Jul 12, 9:59 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	61 min
Jul 12, 10:18 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn	57 min
Jul 12, 10:45 PM CDT	Special Weather Statement	MPX	Saint Croix	60 min
Jul 12, 11:26 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn, Rusk	49 min
Jul 12, 11:40 PM CDT	Special Weather Statement	MPX	Dunn, Pepin, Pierce	50 min
Jul 13, 12:03 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire	42 min
Jul 13, 12:17 AM CDT	Special Weather Statement	MPX	Rusk	28 min
Jul 13, 12:37 AM CDT	Special Weather Statement	MPX	Eau Claire	23 min
Jul 13, 12:41 AM CDT	Special Weather Statement	MPX	Pepin	64 min
Jul 13, 2:47 AM CDT	Special Weather Statement	MPX	Saint Croix	58 min
Jul 13, 2:56 PM CDT	Special Weather Statement	MPX	Polk	34 min
Jul 13, 3:00 PM CDT	Severe Thunderstorm Warning	MPX	Polk	45 min
Jul 13, 3:49 PM CDT	Special Weather Statement	MPX	Polk	41 min
Jul 13, 4:03 PM CDT	Severe Thunderstorm Warning	MPX	Polk	21 min
Jul 13, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Polk	28 min
Jul 13, 4:36 PM CDT	Special Weather Statement	MPX	Dunn	39 min
Jul 13, 5:25 PM CDT	Special Weather Statement	MPX	Eau Claire	20 min
Jul 13, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin	31 min
Jul 13, 6:22 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	23 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2015 Every severe thunderstorm warning in 2015

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.