Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 80, NWS Green Bay, WI

September 11, 2000Forest County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 11, 2000, 12:29 AM CDT for Forest County, Wisconsin. It was in force for 31 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, 12:29 AM CDT (05:29 UTC)
Expired
Sep 11, 2000, 1:00 AM CDT
In force
31 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Forest County, WI

The radar

The Marquette radar (KMQT), 135 km from the middle of the area, began a volume at 05:30 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.5 hours before the alert went out and 142 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°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 110529
SVRGRB
WIC041-110600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1229 AM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

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

* UNTIL 100 AM CDT

* AT 1229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH STRONG WINDS AND HAIL. THE STORM WAS 6
  MILES SOUTHEAST OF CAVOUR. THAT PLACES THE STORM 15 MILES EAST OF
  CRANDON. THE STORM WAS MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...
  ARMSTRONG CREEK BY 1240 AM CDT.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR WINDS IN EXCESS OF
60 MPH...HAIL...AND DEADLY LIGHTNING. SEEK SHELTER IMMEDIATELY.

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, 12:21 AM CDTSevere Thunderstorm WarningGRBLanglade39 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; radar from the NEXRAD Level II archive.