Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 5, NWS Green Bay, WI

June 12, 2008Manitowoc County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 12, 2008, 6:35 PM CDT for Manitowoc County, Wisconsin. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 12, 2008, 6:35 PM CDT (23:35 UTC)
Expired
Jun 12, 2008, 7:15 PM CDT
In force
40 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon

County Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 52 km from the middle of the area, began a volume at 23:37 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 12:00Z, 11.6 hours before the alert went out and 49 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 2008-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KGRB 122334
TORGRB
WIC071-130015-
/O.NEW.KGRB.TO.W.0005.080612T2335Z-080613T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
635 PM CDT THU JUN 12 2008

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  MANITOWOC COUNTY IN EAST CENTRAL WISCONSIN...

* UNTIL 715 PM CDT

* AT 632 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF CLEVELAND...OR 7
  MILES NORTHWEST OF HOWARDS GROVE...MOVING NORTHEAST AT 71 MPH.

* THE TORNADO WILL BE NEAR...
  VALDERS BY 640 PM...
  MANITOWOC BY 650 PM...
  TWO CREEKS BY 700 PM...

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

DOPPLER RADAR INDICATES STRONG ROTATION WITH THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING AND STAY AWAY FROM WINDOWS. IF
DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 4390 8803 4424 8803 4424 8789 4426 8787
      4431 8752 4422 8749 4412 8756 4409 8764
      4398 8766 4389 8772
TIME...MOT...LOC 2335Z 215DEG 62KT 4393 8790

$$

KURIMSKI
3 follow-up statements
000 
WWUS53 KGRB 122347
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
646 PM CDT THU JUN 12 2008

WIC071-130015-
/O.CON.KGRB.TO.W.0005.000000T0000Z-080613T0015Z/
MANITOWOC-
646 PM CDT THU JUN 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MANITOWOC
COUNTY...

AT 641 PM...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING TORNADOES...ROUGHLY ALONG A 
LINE EXTENDING FROM VALDERS TO HOWARDS GROVE...AND MOVING NORTHEAST 
AT 48 MPH.

* THE MOST DANGEROUS PART OF THE STORMS WILL BE NEAR...
  LARRABEE...SHOTO...MANITOWOC AND FRANCIS CREEK BY 655 PM...
  MISHICOT BY 700 PM...
  TWO RIVERS AND TWO CREEKS BY 705 PM...
  POINT BEACH STATE FOREST BY 710 PM...

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

LAT...LON 4390 8803 4424 8803 4424 8789 4426 8787
      4431 8752 4422 8749 4412 8756 4409 8764
      4398 8766 4389 8772
TIME...MOT...LOC 2346Z 228DEG 41KT 4418 8781 4391 8776

$$

KURIMSKI
000 
WWUS53 KGRB 130003
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
703 PM CDT THU JUN 12 2008

WIC071-130015-
/O.CON.KGRB.TO.W.0005.000000T0000Z-080613T0015Z/
MANITOWOC-
703 PM CDT THU JUN 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MANITOWOC
COUNTY...

AT 658 PM...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPOABLE OF PRODUCING TORNADOES...ROUGHLY ALONG A 
LINE EXTENDING FROM TWO CREEKS TO MANITOWOC...AND MOVING NORTHEAST 
AT 48 MPH.

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

LAT...LON 4390 8803 4424 8803 4424 8789 4426 8787
      4431 8752 4422 8749 4412 8756 4409 8764
      4398 8766 4389 8772
TIME...MOT...LOC 0003Z 228DEG 41KT 4431 8760 4416 8749

$$

KURIMSKI
000 
WWUS53 KGRB 130009
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
708 PM CDT THU JUN 12 2008

WIC071-130018-
/O.EXP.KGRB.TO.W.0005.000000T0000Z-080613T0015Z/
MANITOWOC-
708 PM CDT THU JUN 12 2008

...THE TORNADO WARNING FOR MANITOWOC COUNTY WILL EXPIRE AT 715 PM
CDT...

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

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN 
MANITOWOC COUNTY.

LAT...LON 4390 8803 4424 8803 4424 8789 4426 8787
      4431 8752 4422 8749 4412 8756 4409 8764
      4398 8766 4389 8772
TIME...MOT...LOC 0008Z 228DEG 41KT 4435 8754 4420 8743

$$

KURIMSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:50 AM CDTRiver Flood AdvisoryGRBOutagamie, Winnebago3 days
Jun 12, 4:22 PM CDTAreal Flood AdvisoryGRBWaushara, Winnebago96 min
Jun 12, 4:34 PM CDTSevere Thunderstorm WarningGRBWinnebago56 min
Jun 12, 5:01 PM CDTFlash Flood WarningGRBWinnebago4 hr
Jun 12, 5:02 PM CDTSevere Thunderstorm WarningGRBCalumet, Manitowoc47 min
Jun 12, 5:15 PM CDTSpecial Marine WarningGRB2 hr
Jun 12, 5:23 PM CDTSevere Thunderstorm WarningGRBLanglade, Menominee, Shawano24 min
Jun 12, 5:39 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest, Marinette, Oconto49 min
Jun 12, 5:42 PM CDTAreal Flood AdvisoryGRBCalumet, Manitowoc3 hr
Jun 12, 6:19 PM CDTFlash Flood WarningGRBCalumet3 hr
Jun 12, 6:30 PM CDTFlash Flood WarningGRBManitowoc3 hr
Jun 12, 6:53 PM CDTSevere Thunderstorm WarningGRBBrown, Kewaunee, Manitowoc51 min

Nearby

Tornado Warnings in Wisconsin, 2008Every tornado warning in 2008Tornadoes in 2008

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.