Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 221, NWS Twin Cities, MN

August 19, 20164 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 2016, 3:38 AM CDT for 4 counties in Wisconsin. It was in force for 22 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
Aug 19, 2016, 3:38 AM CDT (08:38 UTC)
Expired
Aug 19, 2016, 4:00 AM CDT
In force
22 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 08:42 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 00:00Z, 8.6 hours before the alert went out and 113 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2016-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2016-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
185 J/kg
Mixed-layer CIN
-378 J/kg
Mixed-layer LCL
2171 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

392 
WUUS53 KMPX 190838
SVRMPX
WIC033-091-093-109-190900-
/O.NEW.KMPX.SV.W.0221.160819T0838Z-160819T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
338 AM CDT FRI AUG 19 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
  WESTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 400 AM CDT

* AT 337 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEW RICHMOND TO PLUM CITY TO NEAR MILLVILLE...MOVING
  NORTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  NEW RICHMOND AROUND 345 AM CDT. 
  ELMWOOD AND EAU GALLE AROUND 350 AM CDT. 
  PEPIN AROUND 400 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURKHARDT...ARKANSAW...PORCUPINE...DOWNING...HOULTON...HAGER
CITY...NEW RICHMOND AIRPORT...CYLON...ELLA AND EL PASO.

THIS INCLUDES INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 3 AND
46.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9184 4459 9197 4460 9200 4458 9203
      4441 9209 4445 9224 4450 9230 4456 9234
      4457 9255 4471 9265 4517 9276 4512 9217
      4521 9215 4489 9182
TIME...MOT...LOC 0837Z 229DEG 32KT 4509 9255 4465 9220 4425 9225 

HAIL...<.75IN
WIND...60MPH
 
$$

JPC
1 follow-up statement
540 
WWUS53 KMPX 190853
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
353 AM CDT FRI AUG 19 2016

WIC033-091-093-109-190900-
/O.CON.KMPX.SV.W.0221.000000T0000Z-160819T0900Z/
ST. CROIX WI-DUNN WI-PEPIN WI-PIERCE WI-
353 AM CDT FRI AUG 19 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR ST. CROIX...WESTERN DUNN...WESTERN PEPIN AND EASTERN PIERCE
COUNTIES...

AT 353 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR DEER PARK TO NEAR DOWNSVILLE TO WABASHA...MOVING
NORTHEAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  MENOMONIE AROUND 400 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
ARKANSAW...PORCUPINE...DOWNING...HOULTON...CYLON...ELLA...EL
PASO...EMERALD... CEDAR FALLS AND BOARDMAN.

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 9184 4459 9197 4460 9200 4458 9203
      4441 9209 4458 9224 4476 9244 4515 9267
      4512 9217 4521 9215 4489 9182
TIME...MOT...LOC 0853Z 229DEG 37KT 4521 9235 4477 9200 4437 9205 

HAIL...<.75IN
WIND...60MPH
 
$$

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 11:32 PM CDTSpecial Weather StatementMPXPierce43 min
Aug 18, 11:46 PM CDTSevere Thunderstorm WarningMPXDunn, Pepin, Pierce27 min
Aug 19, 3:01 AM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix44 min
Aug 19, 3:15 AM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix45 min
Aug 19, 3:24 AM CDTSpecial Weather StatementMPXPepin, Pierce36 min
Aug 19, 4:02 AM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more58 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every 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.