Alert archive / Wisconsin / Tornado Warnings in 2007

Tornado Warning 10, NWS Green Bay, WI

June 7, 2007Portage County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 7, 2007, 4:26 PM CDT for Portage County, Wisconsin. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 7, 2007, 4:26 PM CDT (21:26 UTC)
Expired
Jun 7, 2007, 5:06 PM CDT
In force
40 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Portage County, WI

The radar

The Green Bay radar (KGRB), 112 km from the middle of the area, began a volume at 21:26 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.

What was reported inside it

TimeReportWhereRemark
Jun 7, 4:40 PM CDTHAIL 1.75Plover, WI
Jun 7, 4:43 PM CDTHAIL 1.75Stevens Point, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 7, 2:41 PM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 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, Green Bay/Straub, WI at 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
33 J/kg
Mixed-layer CIN
-754 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
214 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 072126 RRA
TORGRB
WIC097-072230-
/O.NEW.KGRB.TO.W.0010.070607T2126Z-070607T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
426 PM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  PORTAGE COUNTY IN CENTRAL WISCONSIN...

* UNTIL 530 PM CDT

* AT 422 PM CDT...DOPPLER RADAR AND SPOTTER REPORTS INDICATED A
  TORNADO 19 MILES SOUTHWEST OF WHITING...OR ABOUT NEAR WISCONSIN
  RAPIDS...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  WHITING AND STEVENS POINT BY 445 PM...
  AMHERST BY 500 PM...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
WIDESPREAD DAMAGING WINDS.

A TORNADO IS ON THE GROUND IF YOU ARE IN THE PATH OF THIS TORNADO...
SEEK SHELTER IMMEDIATELY. IF NO UNDERGROUND SHELTER IS AVAILABLE...
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4448 8972 4467 8922 4425 8923 4425 8973

$$

KALLAS
4 follow-up statements
000 
WWUS53 KGRB 072137 RRA
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
437 PM CDT THU JUN 7 2007

WIC097-072230-
/O.CON.KGRB.TO.W.0010.000000T0000Z-070607T2230Z/
PORTAGE WI-
437 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR PORTAGE
COUNTY...

AT 434 PM...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 7 MILES WEST OF
WHITING...OR ABOUT 8 MILES SOUTHWEST OF STEVENS POINT...MOVING
NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  JORDAN AND STOCKTON BY 445 PM...
  ELLIS AND POLONIA BY 450 PM...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF YOU ARE AT A LARGE OUTDOOR GATHERING...REMAIN CALM. FOLLOW THE
INSTRUCTIONS PROVIDED BY LOCAL AUTHORITIES.

LAT...LON 4467 8967 4467 8922 4425 8923 4425 8973

$$

KALLAS
000 
WWUS53 KGRB 072143
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
441 PM CDT THU JUN 7 2007

WIC097-072230-
/O.CON.KGRB.TO.W.0010.000000T0000Z-070607T2230Z/
PORTAGE WI-
441 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR PORTAGE
COUNTY...

AT 439 PM...TRAINED WEATHER SPOTTERS REPORTED GOLF BALL SIZE HAIL 
NEAR PLOVER. THIS SEVERE THUNDERSTORM WAS LOCATED NEAR STEVENS 
POINT...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  ELLIS AND POLONIA BY 450 PM...
  ROSHOLT BY 455 PM...

IN ADDITION TO THE TORNADO AND LARGE HAIL...THIS STORM IS CAPABLE OF 
PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

IF YOU ARE AT A LARGE OUTDOOR GATHERING...REMAIN CALM. FOLLOW THE
INSTRUCTIONS PROVIDED BY LOCAL AUTHORITIES.

LAT...LON 4467 8967 4467 8922 4425 8923 4425 8973

$$

KALLAS
000 
WWUS53 KGRB 072147
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
445 PM CDT THU JUN 7 2007

WIC097-072230-
/O.CON.KGRB.TO.W.0010.000000T0000Z-070607T2230Z/
PORTAGE WI-
445 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR PORTAGE
COUNTY...

AT 443 PM...A FUNNEL CLOUD WAS REPORTED NEAR THE WOOD AND PORTAGE 
COUNTY LINE ON HIGHWAY 54. GOLF BALL SIZE HAIL HAS BEEN REPORTED IN 
STEVENS POINT. THE SEVERE THUNDERSTORM CONTINUES TO MOVE TO THE 
NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  ELLIS AND POLONIA BY 450 PM...
  ROSHOLT BY 455 PM...

LAT...LON 4467 8967 4467 8922 4425 8923 4425 8973

$$
000 
WWUS53 KGRB 072206
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
506 PM CDT THU JUN 7 2007

WIC097-072216-
/O.CAN.KGRB.TO.W.0010.000000T0000Z-070607T2230Z/
PORTAGE WI-
506 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR PORTAGE COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF
THE AREA.

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4467 8967 4467 8922 4425 8923 4425 8973

$$

KALLAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:23 AM CDTWind AdvisoryGRBBrown, Calumet, Door, Florence, Forest, Kewaunee and 16 more15 hr
Jun 7, 2:47 PM CDTSevere Thunderstorm WarningGRBWood58 min
Jun 7, 3:02 PM CDTTornado WarningGRBWood43 min
Jun 7, 3:09 PM CDTSevere Thunderstorm WarningGRBVilas36 min
Jun 7, 3:39 PM CDTSevere Thunderstorm WarningGRBMarathon66 min
Jun 7, 3:46 PM CDTTornado WarningGRBWood44 min
Jun 7, 3:55 PM CDTTornado WarningGRBMarathon47 min
Jun 7, 4:09 PM CDTTornado WarningGRBShawano36 min
Jun 7, 4:25 PM CDTTornado WarningGRBWood20 min
Jun 7, 4:29 PM CDTTornado WarningGRBLanglade, Menominee46 min
Jun 7, 4:42 PM CDTSevere Thunderstorm WarningGRBShawano33 min
Jun 7, 4:51 PM CDTTornado WarningGRBOconto39 min
Jun 7, 5:10 PM CDTTornado WarningGRBMarinette41 min
Jun 7, 5:15 PM CDTTornado WarningGRBShawano29 min
Jun 7, 5:48 PM CDTSevere Thunderstorm WarningGRBWaushara27 min
Jun 7, 5:49 PM CDTSevere Thunderstorm WarningGRBOconto23 min
Jun 7, 5:56 PM CDTSpecial Marine WarningGRB73 min
Jun 7, 6:02 PM CDTSevere Thunderstorm WarningGRBOutagamie, Winnebago43 min
Jun 7, 6:16 PM CDTSevere Thunderstorm WarningGRBMarinette22 min
Jun 7, 6:50 PM CDTMarine Weather StatementGRB85 min
Jun 7, 6:54 PM CDTSpecial Marine WarningGRB61 min

Nearby

Tornado Warnings in Wisconsin, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.