Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 49, NWS Twin Cities, MN

July 8, 2000Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 8, 2000, 7:01 PM CDT for Polk County, Wisconsin. It was in force for 59 min. 1 report 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
Jul 8, 2000, 7:01 PM CDT (00:01 UTC)
Expired
Jul 8, 2000, 8:00 PM CDT
In force
59 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Polk County, WI

What was reported inside it

TimeReportWhereRemark
Jul 8, 7:38 PM CDTHail 1.75Clam Falls, WI

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 8, 4:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.0 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 2000-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3971 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2000-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
3971 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
1.5
Supercell composite
17.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 090002
SVRMSP
WIC095-090100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
701 PM CDT SAT JUL 8 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 700 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS OVER 
  NORTHEASTERN POLK COUNTY...OR ABOUT 19 MILES NORTHEAST OF BALSAM   
  LAKE...MOVING SOUTHEAST AT 10 MPH.  THIS STORM HAS A HISTORY OF    
  PRODUCING TORNADO TOUCHDOWNS IN SOUTHERN BURNETT COUNTY.

* SOME LOCATIONS/ AFFECTED BY THIS STORM INCLUDE...
  FREDERIC
  LEWIS
  CLAM FALLS
  LUCK

LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER
IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 7:11 PM CDTSevere Thunderstorm WarningMPXChippewa, Rusk64 min
Jul 8, 7:41 PM CDTSevere Thunderstorm WarningMPXBarron64 min
Jul 8, 8:05 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire55 min
Jul 8, 8:59 PM CDTSevere Thunderstorm WarningMPXEau Claire46 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.