Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 47, NWS Green Bay, WI

June 18, 2001Oneida County, Vilas County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 18, 2001, 11:44 PM CDT for Oneida County, Vilas County, Wisconsin. It was in force for 61 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: Jun 18, 2001, 11:44 PM CDT (04:44 UTC)
Expired: Jun 19, 2001, 12:45 AM CDT
In force: 61 min
Issued by: NWS Green Bay, WI
Area: Whole counties

Counties Oneida County, WI, Vilas County, WI

The radar

The Marquette radar (KMQT), 168 km from the middle of the area, began a volume at 04:44 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 18, 9:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.7 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 795 J/kg
Mixed-layer CIN: -280 J/kg
Mixed-layer LCL: 1264 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 394 m²/s²
0-3 km storm-relative helicity: 534 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGRB 190445
SVRGRB

WIC085-125-190545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1144 PM CDT MON JUN 18 2001

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONEIDA COUNTY IN WISCONSIN
  VILAS COUNTY IN WISCONSIN

* UNTIL 1245 AM CDT

* AT 1144 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM WITH 60 MPH WINDS. THE STORM WAS LOCATED 16
  MILES NORTHWEST OF WILLOW RESERVOIR...OR 16 MILES SOUTHEAST OF PARK
  FALLS. IT WAS MOVING EAST AT 45 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...
  HAZELHURST BY 1205 AM CDT.
  ST GERMAIN BY 1215 AM CDT. 
  LAKE TOMAHAWK BY 1215 AM CDT.
  MC NAUGHTON BY 1215 AM CDT.
  SUGAR CAMP BY 1230 AM CDT.
  THREE LAKES BY 1240 AM CDT.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
IF A TORNADO IS SPOTT:ED...MOVE TO A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR OF YOUR BUILDING.

CAMPERS AND OTHERS SHOULD SEEK SHELTER IN A STURDY BUILDING
IMMEDIATELY.

$$

LAT...LON 4625 9014 4566 9027 4552 8909 4606 8909

TSK

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 3:30 PM CDT, 8 hours 14 minutes earlier.

Area forecast discussion, Jun 18, 3:30 PM CDT, 8 hours 14 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
330 PM CDT MON JUN 18 2001

CHALLENGE WITH THE FCST TNT IS COVERAGE OF TSRAS AND DEGREE OF SEVERITY.

WARM FRONT STILL ACTIVE OVER PARTS OF THE CWA THIS AFTN.  CONVECTION
CURRENTLY OVER THE SE HALF OF THE CWA APPEARS TO BE ALONG H8 HOT PROD...
AND STILL ACTIVE SO WL MENTN EVENING WRDG FAR SE THEN CHC LATE AGAIN
TNT WITH CDFNT.  CDFNT STILL TO THE WEST BUT WILL STILL CONT LIKELY
POPS FOR THIS FEATURE OVERNIGHT.

WILL CONTINUE A DRY FCST FOR TUESDAY...AS MOST MODELS INDICATE THE FRONT
WILL BE SE OF THE FCST AREA.  WILL ALSO CONT TO KEEP THE SMALL CHC OF
SHRAS FOR WED WITH WK TROF SAGGING SWD OVER THE STATE.  OTHERzWISE A DRY
FCST THROUGH SUNDAY WITH A GRADUAL WARMING TREND.

OTHERWISE LITTLE TIME FOR DISCUSION THIS AFTN DUE TO ONGOING NEAR SVR
WX.

.GRB...NONE.

HELMAN
WWW.CRH.NOAA.GOV/GRB

In the hours before

Special weather statement, Jun 18, 7:50 PM CDT, 3 hours 54 minutes before

WIZ005-010>013-018>022-030-031-035>040-045-048>050-190200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
750 PM CDT MON JUN 18 2001

...THUNDERSTORMS EXPECTED LATER TONIGHT...

AT 7:45 PM...SEVERE THUNDERSTORMS HAD DEVELOPED OVER FAR EASTERN
MINNESOTA AND WEST-CENTRAL WISCONSIN. THE STORMS ARE EXPECTED TO
CONTINUE TO STRENGTHEN AND BECOME MORE WIDESPREAD AS THEY MOVE NORTHEAST
THIS EVENING. THE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND AND
LARGE HAIL. THE STORMS WILL BEGIN AFFECTING CENTRAL WISCONSIN AROUND
9:00 PM...AND THEN SPREAD NORTH AND EAST ACROSS THE REST OF THE AREA
DURING THE LATE EVENING. THEY SHOULD REACH THE LAKESHORE BETWEEN
MIDNIGHT A;ND 1:00 AM. THE MAIN THREAT OF SEVERE WEATHER WILL OCCUR
BETWEEN 9:00 PM AND 3:00 AM.

BE SURE TO MONITOR LATER STATEMENTS AND FORECASTS ON THIS WEATHER
SITUATION.

SKOWRONSKI
WWW.CRH.NOAA.GOV/GRB

Local storm report, Jun 18, 11:16 PM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1116 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1108 PM    5 NE LAC DU FLAMBEAU      WI   .75 INCH HAIL
06/18/01   VILAS                          OCCURRED NEAR WHITE SAND
                                          LAKE. REPORT FROM LOCAL       V
                                          FIRE DEPARTMENT RELAYED BY
                                          SPOTTER.

JS/SAC

Local storm report, Jun 18, 11:32 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1132 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1120 PM    BOULDER JUNCTION          WI   .88 INCH HAIL
06/18/01   VILAS                          REPORT FROM WEATHER SPOTTER.

JS/SAC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 9:53 PM CDT	Severe Thunderstorm Warning	GRB	Vilas	37 min
Jun 18, 10:31 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln	59 min
Jun 18, 10:45 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	60 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2001 Every severe thunderstorm warning in 2001

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.