Alert archive / Wisconsin / Tornado Warnings in 2000

Tornado Warning 12, NWS Green Bay, WI

August 8, 2000Waupaca County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 8, 2000, 8:07 PM CDT for Waupaca County, Wisconsin. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 8, 2000, 8:07 PM CDT (01:07 UTC)
Expired
Aug 8, 2000, 8:45 PM CDT
In force
38 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Waupaca County, WI

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 8, 4:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.1 hours before the alert went out and 69 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, Green Bay/Straub, WI at 00:00Z on 2000-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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, Green Bay/Straub, WI at 00:00Z on 2000-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
322 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
77 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 
WFUS53 KGRB 090109
TORGRB

WIC135-090145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
807 PM CDT TUE AUG 8 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN AND CENTRAL WAUPACA COUNTY IN WISCONSIN

* UNTIL 845 PM CDT

* AT 807 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
  DANGEROUS PORTION OF THE STORM WAS LOCATED 5 MILES SOUTHWEST OF
  NORTHLAND. THAT PLACES THE STORM 14 MILES EAST OF STEVENS POINT.
  IT WAS MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...  
  SCANDINAVIA BY 820 PM CDT.
  OGDENSBURG BY 825 PM CDT.
  WAUPACA BY 830 PM CDT.

MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
BUILDING.

TH/JS

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 7:30 PM CDTTornado WarningGRBMarathon30 min
Aug 8, 7:37 PM CDTTornado WarningGRBPortage38 min
Aug 8, 10:57 PM CDTSevere Thunderstorm WarningGRBWinnebago33 min

Nearby

Tornado Warnings in Wisconsin, 2000Every tornado warning in 2000Tornadoes 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; the sounding from the Mesonet's radiosonde archive.