Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 166, NWS Twin Cities, MN

July 20, 2016Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 20, 2016, 10:58 AM CDT for Dunn County, Wisconsin. It was in force for 36 min. 1 report 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 20, 2016, 10:58 AM CDT (15:58 UTC)
Expired: Jul 20, 2016, 11:34 AM CDT
In force: 36 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

County Dunn County, WI

The radar

The Minneapolis radar (KMPX), 127 km from the middle of the area, began a volume at 15:58 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 20, 11:00 AM CDT	HAIL 1.75	3 S Reeve, WI	COUNTY SHERIFF REPORTED THAT GOLFBALL SIZED HAD BEEN FALLING FOR 15 MINUTES /AS OF 11 AM/ IN NEW HAVEN TOWNSHIP. .

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.0 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: 860 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 1227 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

932 
WUUS53 KMPX 201558
SVRMPX
WIC033-201645-
/O.NEW.KMPX.SV.W.0166.160720T1558Z-160720T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1058 AM CDT WED JUL 20 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 1145 AM CDT

* AT 1057 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  CONNORSVILLE...OR 20 MILES NORTHWEST OF MENOMONIE...MOVING
  SOUTHEAST AT 15 MPH.

  HAZARD...PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN DUNN COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
  CONNORSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4505 9196 4517 9216 4521 9212 4521 9205
      4518 9182
TIME...MOT...LOC 1557Z 295DEG 13KT 4517 9207 

HAIL...1.50IN
WIND...<50MPH
 
$$

BORGHOFF

2 follow-up statements

772 
WWUS53 KMPX 201613
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1113 AM CDT WED JUL 20 2016

WIC033-201645-
/O.CON.KMPX.SV.W.0166.000000T0000Z-160720T1645Z/
DUNN WI-
1113 AM CDT WED JUL 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTH CENTRAL DUNN COUNTY...

AT 1113 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
CONNORSVILLE... OR 18 MILES NORTH OF MENOMONIE...MOVING EAST AT 15
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTH
CENTRAL DUNN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4505 9196 4515 9208 4520 9205 4518 9182
TIME...MOT...LOC 1613Z 291DEG 12KT 4515 9200 

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

BORGHOFF

194 
WWUS53 KMPX 201634
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1134 AM CDT WED JUL 20 2016

WIC033-201644-
/O.CAN.KMPX.SV.W.0166.000000T0000Z-160720T1645Z/
DUNN WI-
1134 AM CDT WED JUL 20 2016

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

LAT...LON 4505 9196 4515 9208 4520 9205 4518 9182
TIME...MOT...LOC 1633Z 295DEG 13KT 4512 9190 

$$

BORGHOFF

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.