Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 6, NWS Green Bay, WI

July 16, 2008Wood County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 16, 2008, 1:18 PM CDT for Wood County, Wisconsin. It was in force for 27 min. 1 report 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: Jul 16, 2008, 1:18 PM CDT (18:18 UTC)
Expired: Jul 16, 2008, 1:45 PM CDT
In force: 27 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon

County Wood County, WI

The radar

The La Crosse radar (KARX), 119 km from the middle of the area, began a volume at 18:21 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

Time	Report	Where	Remark
Jul 16, 1:45 PM CDT	HAIL 0.75	1 W Port Edwards, WI	DIME SIZED REPORTED.

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.

Issued	Product	Office	Lasted
Jul 16, 9:57 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.3 hours before the alert went out and 146 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: 177 J/kg
Mixed-layer CIN: -330 J/kg
Mixed-layer LCL: 1593 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 71 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 161818
TORGRB
WIC141-161845-
/O.NEW.KGRB.TO.W.0006.080716T1818Z-080716T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
118 PM CDT WED JUL 16 2008

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN WOOD COUNTY IN CENTRAL WISCONSIN...

* UNTIL 145 PM CDT

* AT 115 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO NEAR BABCOCK...OR 15 MILES SOUTHWEST
  OF WISCONSIN RAPIDS...MOVING EAST AT 30 MPH. SPOTTERS WERE
  FOLLOWING A FUNNEL CLOUD.

* THE TORNADO WILL BE NEAR...
  NEKOOSA BY 135 PM...
  PORT EDWARDS BY 140 PM...

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

MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
BUILDING.

LAT...LON 4450 9021 4450 8973 4440 8972 4440 8973
      4425 8973 4426 9023
TIME...MOT...LOC 1818Z 273DEG 27KT 4431 9008

$$

JKL

2 follow-up statements

000 
WWUS53 KGRB 161830
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
130 PM CDT WED JUL 16 2008

WIC141-161845-
/O.CON.KGRB.TO.W.0006.000000T0000Z-080716T1845Z/
WOOD-
130 PM CDT WED JUL 16 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
SOUTHERN WOOD COUNTY...

AT 124 PM...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS AND POSSIBLY A 
TORNADO. THE STORM WAS LOCATED 6 MILES EAST OF BABCOCK...OR 11 MILES 
SOUTHWEST OF WISCONSIN RAPIDS...AND MOVING EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  NEKOOSA BY 135 PM...
  PORT EDWARDS BY 140 PM...

DOPPLER RADAR INDICATES STRONG ROTATION WITH THE STORM. A TORNADO MAY
QUICKLY DEVELOP. IN ADDITION...STRONG WINDS AND HAIL ARE EXPECTED. 
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.

THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR WOOD COUNTY HAS EXPIRED.


LAT...LON 4446 9010 4450 8973 4440 8972 4440 8973
      4425 8973 4426 9023
TIME...MOT...LOC 1827Z 273DEG 27KT 4431 8999

$$

JKL

000 
WWUS53 KGRB 161848
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
148 PM CDT WED JUL 16 2008

WIC141-161858-
/O.EXP.KGRB.TO.W.0006.000000T0000Z-080716T1845Z/
WOOD-
148 PM CDT WED JUL 16 2008

...THE TORNADO WARNING FOR SOUTHEASTERN WOOD COUNTY HAS EXPIRED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED. 
TORRENTIAL RAINFALL IS STILL POSSIBLE IN SOUTHEAST WOOD COUNTY.

LAT...LON 4446 9010 4450 8973 4440 8972 4440 8973
      4425 8973 4426 9023
TIME...MOT...LOC 1830Z 273DEG 27KT 4431 8996

$$

JKL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 12:02 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	58 min
Jul 16, 12:21 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca	54 min
Jul 16, 12:37 PM CDT	Severe Thunderstorm Warning	GRB	Wood	53 min
Jul 16, 12:52 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	68 min
Jul 16, 1:06 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Portage, Waupaca, Waushara, Winnebago	69 min
Jul 16, 1:31 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Manitowoc, Outagamie, Winnebago	59 min
Jul 16, 1:38 PM CDT	Severe Thunderstorm Warning	GRB	Shawano	52 min
Jul 16, 1:41 PM CDT	Flash Flood Warning	GRB	Calumet, Outagamie, Portage, Waupaca, Waushara, Winnebago	2 hr
Jul 16, 2:09 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Portage, Waupaca, Waushara, Winnebago	60 min
Jul 16, 2:20 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Shawano, Waupaca	55 min
Jul 16, 2:30 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Manitowoc, Outagamie	60 min
Jul 16, 2:54 PM CDT	Flash Flood Warning	GRB	Calumet, Manitowoc, Winnebago	111 min
Jul 16, 3:29 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	52 min
Jul 16, 4:47 PM CDT	Flash Flood Warning	GRB	Calumet, Manitowoc	81 min

Nearby

Tornado Warnings in Wisconsin, 2008 Every tornado warning in 2008 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.