Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 79, NWS Green Bay, WI

September 11, 2000Langlade County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 11, 2000, 12:21 AM CDT for Langlade County, Wisconsin. It was in force for 39 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
Sep 11, 2000, 12:21 AM CDT (05:21 UTC)
Expired
Sep 11, 2000, 1:00 AM CDT
In force
39 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Langlade County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.4 hours before the alert went out and 116 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 2000-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2296 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 2000-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
2296 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGRB 110522
SVRGRB
WIC067-110600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1221 AM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LANGLADE COUNTY IN WISCONSIN

* UNTIL 100 AM CDT

* AT 1221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH 60 MPH WINDS. THE STORM WAS 8 MILES
  SOUTHWEST OF SUMMIT LAKE. THAT PLACES THE STORM 14 MILES NORTHWEST
  OF ANTIGO. THE STORM WAS MOVING EAST AT 40 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...
  SUMMIT LAKE BY 1225 AM CDT.
  ANTIGO BY 1230 AM CDT.
  KqEMPSTER BY 1230 AM CDT.
  HOLLISTER BY 1250 AM CDT.

THIS STORM COULD DAMAGE WEAK STRUCTURES AND TREES. IF YOU ARE IN THE
PATH OF THIS STORM...TAKE COVER IN A STURDY BUILDING UNTIL THE STORM
HAS PASSED.

DAK/RM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 11:05 PM CDTSevere Thunderstorm WarningGRBVilas55 min
Sep 11, 12:10 AM CDTSevere Thunderstorm WarningGRBMarinette50 min
Sep 11, 12:15 AM CDTSevere Thunderstorm WarningGRBLincoln, Marathon45 min
Sep 11, 12:29 AM CDTSevere Thunderstorm WarningGRBForest31 min
Sep 11, 1:02 AM CDTSevere Thunderstorm WarningGRBLanglade28 min
Sep 11, 1:45 AM CDTFlash Flood WarningGRBLincoln, Marathon2 hr
Sep 11, 3:45 AM CDTFlash Flood WarningGRBMarathon3 hr
Sep 11, 5:15 PM CDTSevere Thunderstorm WarningGRBLincoln, Oneida60 min
Sep 11, 6:24 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest36 min
Sep 11, 6:44 PM CDTSevere Thunderstorm WarningGRBWood61 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; the sounding from the Mesonet's radiosonde archive.