Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 76, NWS Twin Cities, MN

July 26, 2014Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 2014, 8:32 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 43 min. 7 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 26, 2014, 8:32 PM CDT (01:32 UTC)
Expired: Jul 26, 2014, 9:15 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Barron County, WI, Polk County, WI

The radar

The Duluth radar (KDLH), 135 km from the middle of the area, began a volume at 01:32 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 26, 8:40 PM CDT	HAIL 1	3 Ne Mckinley, WI
Jul 26, 8:40 PM CDT	HAIL 2.5	3 Nnw Mckinley, WI
Jul 26, 8:44 PM CDT	HAIL 1.75	2 E Mckinley, WI
Jul 26, 8:47 PM CDT	HAIL 2.75	1 Se Mckinley, WI
Jul 26, 8:51 PM CDT	TSTM WND DMG	2 N Cumberland, WI	TREE DOWN OVER COUNTY ROAD B. TIME ESTIMATED FROM RADAR.
Jul 26, 8:52 PM CDT	TSTM WND DMG	4 Ne Cumberland, WI	TREE DOWN ON 7 1/4 STREET ON NORTHEAST SIDE OF GRANITE LAKE. TIME ESTIMATED FROM RADAR.
Jul 26, 8:52 PM CDT	TSTM WND DMG	4 Ne Cumberland, WI	TREE DOWN OVER 7 1/4 STREET ON NORTHEAST SIDE OF GRANITE LAKE. TIME ESTIMATED FROM RADAR.

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 00:00Z, 1.5 hours before the alert went out and 145 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: 1707 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1223 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 94 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

186 
WUUS53 KMPX 270132
SVRMPX
WIC005-095-270215-
/O.NEW.KMPX.SV.W.0076.140727T0132Z-140727T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
832 PM CDT SAT JUL 26 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BARRON COUNTY IN NORTHWEST WISCONSIN...
  NORTHEASTERN POLK COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 915 PM CDT

* AT 828 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES EAST OF
  STRAIGHT LAKE WILDERNESS STATE PARK...AND MOVING EAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  MCKINLEY...BARRONETT...CUMBERLAND AND CUMBERLAND AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS IN AN
INTERIOR ROOM...A BATHROOM OR CLOSET...OR BASEMENT.

&&

LAT...LON 4567 9214 4564 9214 4565 9201 4563 9185
      4547 9197 4556 9232 4569 9228
TIME...MOT...LOC 0132Z 288DEG 23KT 4561 9217

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:07 PM CDT	Special Weather Statement	MPX	Polk	38 min
Jul 26, 8:27 PM CDT	Special Weather Statement	MPX	Barron	48 min
Jul 26, 8:42 PM CDT	Tornado Warning	MPX	Barron, Polk	29 min
Jul 26, 9:08 PM CDT	Severe Thunderstorm Warning	MPX	Barron	27 min
Jul 26, 9:37 PM CDT	Special Weather Statement	MPX	Rusk	38 min
Jul 26, 9:57 PM CDT	Special Weather Statement	MPX	Rusk	33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2014 Every severe thunderstorm warning in 2014

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.