Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Green Bay, WI

May 25, 2008Lincoln County, Marathon County, Wood County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 25, 2008, 7:45 PM CDT for Lincoln County, Marathon County, Wood County, Wisconsin. It was in force for 45 min. 6 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: May 25, 2008, 7:45 PM CDT (00:45 UTC)
Expired: May 25, 2008, 8:30 PM CDT
In force: 45 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon

Counties Lincoln County, WI, Marathon County, WI, Wood County, WI

What was reported inside it

Time	Report	Where	Remark
May 25, 8:08 PM CDT	HAIL 0.5	Colby, WI
May 25, 8:19 PM CDT	HAIL 0.75	2 S Abbotsford, WI	PENNY SIZED HAIL REPORTED IN COLBY COURTESY OF WAOW TELEVISION.
May 25, 8:20 PM CDT	HAIL 0.88	Stratford, WI
May 25, 8:24 PM CDT	TSTM WND GST 65	Spencer, WI	ALSO QUARTER SIZE HAIL.
May 25, 8:25 PM CDT	HAIL 1	Stratford, WI
May 25, 8:40 PM CDT	TSTM WND GST 60	2 W Merrill, 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.

Issued	Product	Office	Lasted
May 25, 7:12 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 168 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: 81 J/kg
Mixed-layer CIN: -294 J/kg
Mixed-layer LCL: 1307 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGRB 260047
SVRGRB
WIC069-073-141-260130-
/O.NEW.KGRB.SV.W.0021.080526T0045Z-080526T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
745 PM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN MARATHON COUNTY IN CENTRAL WISCONSIN...
  NORTHWESTERN WOOD COUNTY IN CENTRAL WISCONSIN...
  SOUTHERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 830 PM CDT

* AT 740 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS...ROUGHLY ALONG A
  LINE EXTENDING FROM WESTBORO TO GREENWOOD TO 38 MILES WEST OF
  NEILLSVILLE...AND MOVING EAST AT 48 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SPENCER BY 805 PM...
  MARSHFIELD BY 815 PM...
  MERRILL BY 820 PM...

THIS STORM HAS PRODUCED DESTRUCTIVE WINDS AND LARGE DAMAGING HAIL AND
MAY DO SO AGAIN. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

TORNADOES CAN DEVELOP QUICKLY. IF A TORNADO IS SPOTTED...ACT QUICKLY 
AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A 
BASEMENT OR SMALL INTERIOR ROOM.

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

LAT...LON 4503 9033 4504 9021 4513 9018 4514 9005
      4547 9006 4533 8944 4464 8986 4441 9032
TIME...MOT...LOC 0045Z 283DEG 42KT 4538 9014 4475 9065
          4450 9127

$$

RDM

2 follow-up statements

000 
WWUS53 KGRB 260102
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
800 PM CDT SUN MAY 25 2008

WIC069-073-141-260130-
/O.CON.KGRB.SV.W.0021.000000T0000Z-080526T0130Z/
LINCOLN-MARATHON-WOOD-
800 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN WOOD...WESTERN MARATHON AND SOUTHERN LINCOLN
COUNTIES...

AT 758 PM...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS...ROUGHLY ALONG A
LINE EXTENDING FROM RIB LAKE TO LOYAL TO 32 MILES WEST OF
NEILLSVILLE...AND MOVING EAST AT 48 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SPENCER...MILAN AND ATHENS BY 805 PM...
  STRATFORD...PONIATOWSKI AND HAMBURG BY 815 PM...
  IRMA...STRATFORD...RIB FALLS AND LITTLE CHICAGO BY 820 PM...

MOTORISTS DRIVING ALONG HIGHWAY 29 MAY ENCOUNTER WINDS STRONG ENOUGH 
TO BLOW THEM OFF THE ROAD. DRIVE CAREFULLY  

THIS STORM HAS PRODUCED DESTRUCTIVE WINDS AND LARGE DAMAGING HAIL AND
MAY DO SO AGAIN. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.



LAT...LON 4503 9033 4504 9021 4513 9018 4514 9005
      4547 9006 4533 8944 4464 8986 4441 9032
TIME...MOT...LOC 0100Z 283DEG 42KT 4532 9000 4476 9041
          4455 9120

$$

RDM

000 
WWUS53 KGRB 260114
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
812 PM CDT SUN MAY 25 2008

WIC069-073-141-260130-
/O.CON.KGRB.SV.W.0021.000000T0000Z-080526T0130Z/
LINCOLN-MARATHON-WOOD-
812 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN WOOD...WESTERN MARATHON AND SOUTHERN LINCOLN
COUNTIES...

AT 807 PM...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED...ROUGHLY
ALONG A LINE EXTENDING FROM 13 MILES SOUTHWEST OF TOMAHAWK TO SPENCER
TO 25 MILES WEST OF NEILLSVILLE...AND MOVING EAST AT 46 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  STRATFORD...PONIATOWSKI...HAMBURG AND FENWOOD BY 820 PM...
  IRMA...ROZELLVILLE...RIB FALLS AND MERRILL BY 825 PM...
  MARSHFIELD AND BAKERVILLE BY 830 PM...

WINDS OVER 60 MPH AND HAIL WERE REPORTED IN COLBY AND MEDFORD.
MOTORISTS ALONG HIGHWAY 29 SHOULD WATCH FOR VERY STRONG WINDS THAT 
COULD BLOW THEIR VEHICLES OFF THE ROAD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM.

LAT...LON 4503 9033 4504 9021 4513 9018 4514 9005
      4547 9006 4533 8944 4464 8986 4441 9032
TIME...MOT...LOC 0112Z 277DEG 40KT 4534 8986 4475 9023
          4455 9102

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:09 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Menominee	22 min
May 25, 7:22 PM CDT	Severe Thunderstorm Warning	GRB	Shawano, Waupaca	38 min
May 25, 8:14 PM CDT	Special Marine Warning	GRB		2 hr
May 25, 8:27 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon, Portage, Shawano, Wood	63 min
May 25, 9:21 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Shawano, Waupaca, Wood	39 min
May 25, 9:33 PM CDT	Severe Thunderstorm Warning	GRB	Wood	42 min
May 25, 9:59 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Shawano, Waupaca	27 min
May 25, 10:31 PM CDT	Special Marine Warning	GRB		38 min
May 26, 2:59 PM CDT	Freeze Warning	GRB	Florence, Forest, Langlade, Lincoln, Oneida, Vilas	16 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008 Every severe thunderstorm warning 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.