Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 219, NWS Twin Cities, MN

August 19, 2016Pierce County, Saint Croix County, Wisconsin; Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 2016, 3:01 AM CDT for Pierce County, Saint Croix County, Wisconsin; Washington County, Minnesota. It was in force for 44 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, 3:01 AM CDT (08:01 UTC)
Expired
Aug 19, 2016, 3:45 AM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Washington County, MN, Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 67 km from the middle of the area, began a volume at 08:04 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, 8.0 hours before the alert went out and 70 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.

555 
WUUS53 KMPX 190801
SVRMPX
MNC163-WIC093-109-190845-
/O.NEW.KMPX.SV.W.0219.160819T0801Z-160819T0845Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
  NORTHWESTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 345 AM CDT

* AT 301 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM LAKE ELMO TO NEAR PRESCOTT...MOVING NORTHEAST AT 50
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  STILLWATER...HUDSON...NORTH HUDSON AND BAYPORT AROUND 310 AM CDT. 
  RIVER FALLS AROUND 315 AM CDT. 
  SOMERSET AND ROBERTS AROUND 320 AM CDT. 
  NEW RICHMOND...BALDWIN AND HAMMOND AROUND 325 AM CDT. 
  WOODVILLE AROUND 330 AM CDT. 
  GLENWOOD CITY AROUND 345 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURKHARDT...LAKELAND...LAKE ELMO AIRPORT...AFTON STATE
PARK...LAKELAND SHORES...HOULTON...ST MARYS POINT...NEW RICHMOND
AIRPORT...CYLON AND LAKE ST CROIX BEACH.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 249 AND 258.
 INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 1 AND 24.
 U.S. HIGHWAY 61 BETWEEN MILE MARKERS 125 AND 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4490 9231 4470 9268 4485 9301 4487 9302
      4489 9300 4489 9299 4491 9299 4520 9276
      4511 9213
TIME...MOT...LOC 0801Z 225DEG 41KT 4500 9293 4475 9267 

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, 3:15 AM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix45 min
Aug 19, 3:24 AM CDTSpecial Weather StatementMPXPepin, Pierce36 min
Aug 19, 3:38 AM CDTSevere Thunderstorm WarningMPXDunn, Pepin, Pierce, Saint Croix22 min
Aug 19, 4:02 AM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more58 min
Aug 18, 10:39 PM CDTSpecial Weather StatementMPXRice51 min
Aug 18, 11:08 PM CDTSpecial Weather StatementMPXYellow Medicine52 min
Aug 19, 12:48 AM CDTSpecial Weather StatementMPXBlue Earth, McLeod, Nicollet, Sibley57 min
Aug 19, 1:45 AM CDTSpecial Weather StatementMPXCarver, Le Sueur, McLeod, Rice, Scott, Steele and 1 more45 min
Aug 19, 1:58 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod47 min
Aug 19, 2:21 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright24 min
Aug 19, 2:45 AM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Isanti, Ramsey, Sherburne, Washington and 1 more60 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Severe Thunderstorm Warnings in Minnesota, 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.