Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 13, NWS Green Bay, WI

May 25, 2008Forest County, Vilas County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 25, 2008, 3:28 PM CDT for Forest County, Vilas County, Wisconsin. It was in force for 47 min. 8 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, 3:28 PM CDT (20:28 UTC)
Expired
May 25, 2008, 4:15 PM CDT
In force
47 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon

Counties Forest County, WI, Vilas County, WI

The radar

The Marquette radar (KMQT), 128 km from the middle of the area, began a volume at 20:28 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
May 25, 3:35 PM CDTHAIL 1.52 N Eagle River, WI
May 25, 3:37 PM CDTHAIL 0.75Eagle River, WI
May 25, 3:37 PM CDTHAIL 0.88Eagle River, WI
May 25, 3:37 PM CDTHAIL 2Eagle River, WISPOTTER MEASURED LARGEST STONE AT 2 INCHES IN DIA.
May 25, 3:40 PM CDTHAIL 0.88Conover, WI
May 25, 3:53 PM CDTHAIL 0.25Alvin, WI
May 25, 3:57 PM CDTHAIL 0.5Eagle River, WI
May 25, 4:14 PM CDTHAIL 0.88St Germain, WI

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.5 hours before the alert went out and 190 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 2008-05-25Temperature 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 2008-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
1525 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
142 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 
WUUS53 KGRB 252028
SVRGRB
WIC041-125-252115-
/O.NEW.KGRB.SV.W.0013.080525T2028Z-080525T2115Z/

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN VILAS COUNTY IN NORTH CENTRAL WISCONSIN...
  NORTHWESTERN FOREST COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 415 PM CDT

* AT 322 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.
  THIS STORM WAS LOCATED 8 MILES NORTHWEST OF EAGLE RIVER.....AND
  MOVING EAST AT 53 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PHELPS BY 340 PM...

HAIL AND DANGEROUS LIGHTNING ARE EXPECTED WITH THE STORM. IF
OUTDOORS...MOVE INSIDE AND STAY AWAY FROM WINDOWS.

LAT...LON 4612 8947 4616 8908 4613 8905 4605 8884
      4604 8871 4602 8868 4590 8871 4591 8949
TIME...MOT...LOC 2028Z 256DEG 46KT 4597 8930

$$

RDM
3 follow-up statements
000 
WWUS53 KGRB 252038
SVSGRB

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

WIC041-125-252115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-080525T2115Z/
FOREST-VILAS-
337 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN VILAS AND NORTHWESTERN FOREST COUNTIES...

AT 336 PM...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM 
PRODUCING LARGE DAMAGING HAIL MORE THAN GOLF BALL SIZE. THIS STORM 
WAS LOCATED NEAR CONOVER....OR 7 MILES NORTHEAST OF EAGLE 
RIVER....AND MOVING EAST AT 53 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALVIN BY 355 PM...

HAIL UP TO TWO INCHES IN DIAMETER HAS BEEN REPORTED IN SAINT GERMAIN 
WITH THIS STORM...BREAKING OUT WINDOWS N VEHICLES. IF YOU ARE IN THE 
PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT YOURSELF AND 
YOUR PROPERTY.

LAT...LON 4612 8947 4616 8908 4613 8905 4605 8884
      4604 8871 4602 8868 4590 8871 4591 8949
TIME...MOT...LOC 2037Z 256DEG 46KT 4600 8914

$$

RDM
000 
WWUS53 KGRB 252046
SVSGRB

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

WIC041-125-252115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-080525T2115Z/
FOREST-VILAS-
345 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN VILAS AND NORTHWESTERN FOREST COUNTIES...

AT 341 PM...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM 
PRODUCING LARGE DAMAGING HAIL. GOLF BALL SIZE HAIL WAS REPORTED IN 
EAGLE RIVER AROUND 335 PM. THIS STORM WAS LOCATED NEAR PHELPS....OR 
11 MILES NORTHEAST OF EAGLE RIVER....AND MOVING EAST AT 53 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALVIN BY 355 PM...

LAT...LON 4614 8923 4616 8910 4613 8905 4605 8884
      4604 8871 4602 8868 4590 8871 4592 8926
TIME...MOT...LOC 2045Z 256DEG 46KT 4602 8900

$$

RDM
000 
WWUS53 KGRB 252054
SVSGRB

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

WIC041-125-252115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-080525T2115Z/
FOREST-VILAS-
354 PM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN VILAS AND NORTHWESTERN FOREST COUNTIES...

AT 350 PM...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM
PRODUCING HAIL UP TO 1 INCH IN DIAMETER. THIS STORM WAS LOCATED NEAR
ALVIN....OR 15 MILES SOUTHWEST OF IRON RIVER....AND MOVING EAST AT 54
MPH.

LAT...LON 4607 8906 4612 8904 4612 8903 4606 8887
      4604 8871 4602 8868 4590 8871 4592 8908
      4605 8908
TIME...MOT...LOC 2054Z 262DEG 47KT 4599 8883

$$

RDM

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 2:52 PM CDTSevere Thunderstorm WarningGRBVilas38 min
May 25, 3:42 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas48 min
May 25, 4:08 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest27 min
May 25, 4:17 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas19 min
May 25, 5:02 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest, Marinette38 min
May 25, 6:40 PM CDTSevere Thunderstorm WarningGRBPortage, Wood50 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008Every 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; radar from the NEXRAD Level II archive.