Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 95, NWS Twin Cities, MN

August 8, 2000Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 8, 2000, 5:39 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 66 min. 7 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 8, 2000, 5:39 PM CDT (22:39 UTC)
Expired
Aug 8, 2000, 6:45 PM CDT
In force
66 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Barron County, WI, Polk County, WI

The radar

The Minneapolis radar (KMPX), 130 km from the middle of the area, began a volume at 22:41 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

TimeReportWhereRemark
Aug 8, 6:25 PM CDTHail 1.75Cumberland, WI
Aug 8, 6:30 PM CDTThunderstorm Wind 50 EMilltown, WITrees toppled.
Aug 8, 6:36 PM CDTHail 2.75Frederic, WI
Aug 8, 6:45 PM CDTHail 1Cumberland, WI
Aug 8, 6:50 PM CDTHail 2.5Cameron, WI
Aug 8, 6:55 PM CDTHail 1Clam Falls, WI
Aug 8, 6:55 PM CDTHail 2.75Rice Lake, WIWindows broken, damage to houses.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 132 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 12:00Z on 2000-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2000-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1313 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 082240
SVRMSP
WIC005-095-082345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
539 PM CDT TUE AUG 8 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARRON COUNTY IN WEST CENTRAL WISCONSIN
  NORTHERN POLK COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 645 PM CDT

* AT 539 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 34 MILES
  NORTHWEST OF HAUGEN...OR ABOUT 27 MILES NORTH OF BALSAM LAKE...
  MOVING SOUTHEAST AT 45 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  CLAM FALLS
  MCKINLEY
  CUMBERLAND
  RICE LAKE
  HAUGEN

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 12:31 AM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix44 min
Aug 8, 4:12 PM CDTSevere Thunderstorm WarningMPXRusk48 min
Aug 8, 4:57 PM CDTSevere Thunderstorm WarningMPXRusk33 min
Aug 8, 6:22 PM CDTTornado WarningMPXBarron23 min
Aug 8, 6:44 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Polk, Rusk61 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.