Alert archive / Wisconsin / Tornado Warnings in 2008
Tornado Warning 3, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Apr 25, 2008, 6:22 PM CDT for Calumet County, Winnebago County, Wisconsin. It was in force for 23 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
- Apr 25, 2008, 6:22 PM CDT (23:22 UTC)
- Expired
- Apr 25, 2008, 6:45 PM CDT
- In force
- 23 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
Counties Calumet County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 65 km from the middle of the area, began a volume at 23:24 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 25, 2:41 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.4 hours before the alert went out and 63 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KGRB 252323
TORGRB
WIC015-139-252345-
/O.NEW.KGRB.TO.W.0003.080425T2322Z-080425T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
622 PM CDT FRI APR 25 2008
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN CALUMET COUNTY IN EAST CENTRAL WISCONSIN...
EASTERN WINNEBAGO COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 645 PM CDT
* AT 619 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO 9 MILES SOUTHWEST OF OSHKOSH...
MOVING NORTHEAST AT 47 MPH.
* THE TORNADO WILL BE NEAR...
OSHKOSH BY 630 PM...
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. THE STORM
HAS PRODUCED TORNADOES EARLIER THIS EVENING AND COULD DO SO AGAIN.
LAT...LON 4416 8861 4393 8810 4391 8816 4393 8818
4393 8838 4390 8839 4389 8841 4389 8873
4392 8877
TIME...MOT...LOC 2322Z 229DEG 41KT 4392 8859
$$2 follow-up statements
000
WWUS53 KGRB 252330
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
629 PM CDT FRI APR 25 2008
WIC015-139-252345-
/O.CON.KGRB.TO.W.0003.000000T0000Z-080425T2345Z/
WINNEBAGO-CALUMET-
629 PM CDT FRI APR 25 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN CALUMET AND EASTERN WINNEBAGO COUNTIES...
AT 628 PM...TRAINED WEATHER SPOTTERS REPORTED A ROTATING WALL
CLOUD...CAPABLE OF PRODUCING A TORNADO. THE STORM WAS LOCATED 5
MILES SOUTHWEST OF OSHKOSH....AND MOVING NORTHEAST AT 47 MPH.
RESIDENTS IN THE OSHKOSH AREA SHOULD TAKE COVER IMMEDIATELY.
* THE TORNADO WILL BE NEAR...
WINNEBAGO BY 635 PM...
QUINNEY BY 640 PM...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4416 8861 4393 8810 4391 8816 4393 8818
4393 8838 4390 8839 4389 8841 4389 8873
4392 8877
TIME...MOT...LOC 2329Z 229DEG 41KT 4397 8850
$$
RDM000
WWUS53 KGRB 252345
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
644 PM CDT FRI APR 25 2008
WIC015-139-252354-
/O.EXP.KGRB.TO.W.0003.000000T0000Z-080425T2345Z/
WINNEBAGO-CALUMET-
644 PM CDT FRI APR 25 2008
...THE TORNADO WARNING FOR SOUTHWESTERN CALUMET AND EASTERN WINNEBAGO
COUNTIES WILL EXPIRE AT 645 PM CDT...
A TORNADO WARNING MAY BE REISSUED FOR CALUMET COUNTY.
LAT...LON 4416 8861 4393 8810 4391 8816 4393 8818
4393 8838 4390 8839 4389 8841 4389 8873
4392 8877
TIME...MOT...LOC 2344Z 229DEG 41KT 4408 8832
$$
RDMThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 4:34 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 56 min |
| Apr 25, 5:07 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 38 min |
| Apr 25, 5:45 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Wood | 45 min |
| Apr 25, 5:55 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Outagamie, Winnebago | 25 min |
| Apr 25, 6:09 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie, Shawano | 23 min |
| Apr 25, 6:21 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 39 min |
| Apr 25, 6:26 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee, Oconto, Shawano | 49 min |
| Apr 25, 6:48 PM CDT | Tornado Warning | GRB | Calumet | 9 min |
| Apr 25, 6:59 PM CDT | Severe Thunderstorm Warning | GRB | Oneida | 46 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.