Alert archive / Wisconsin / Tornado Warnings in 2008
Tornado Warning 11, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Aug 1, 2008, 2:55 PM CDT for Door County, Wisconsin. It was in force for 20 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
- Aug 1, 2008, 2:55 PM CDT (19:55 UTC)
- Expired
- Aug 1, 2008, 3:15 PM CDT
- In force
- 20 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
County Door County, WI
The radar
The Green Bay radar (KGRB), 87 km from the middle of the area, began a volume at 19:55 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 |
|---|---|---|---|
| Aug 1, 12:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.9 hours before the alert went out and 88 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
- 1166 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 26 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 011955
TORGRB
WIC029-012015-
/O.NEW.KGRB.TO.W.0011.080801T1955Z-080801T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
255 PM CDT FRI AUG 1 2008
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
DOOR COUNTY IN NORTHEAST WISCONSIN...
* UNTIL 315 PM CDT
* AT 250 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF EGG HARBOR...OR 10
MILES EAST OF MARINETTE...MOVING SOUTHEAST AT 36 MPH.
* THE TORNADO WILL BE NEAR...
A POINT JUST SOUTH OF EGG HARBOR BY 305 PM...
THE MOST DANGEROUS PART OF THIS STORM WILL PASS BETWEEN EGG HARBOR
AND CARLSVILLE...THEN MOVE TOWARD WHITEFISH DUNES STATE PARK.
IF YOU ARE IN THE PATH OF THIS STORM...MOVE TO A PLACE OF SAFETY
IMMEDIATELY.
LAT...LON 4498 8716 4492 8715 4488 8718 4481 8727
4492 8743 4505 8733 4508 8747 4507 8738
4512 8732 4511 8729 4514 8726 4504 8710
TIME...MOT...LOC 1952Z 311DEG 31KT 4503 8740
$$
JS2 follow-up statements
000
WWUS53 KGRB 012009
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
309 PM CDT FRI AUG 1 2008
WIC029-012015-
/O.CON.KGRB.TO.W.0011.000000T0000Z-080801T2015Z/
DOOR-
307 PM CDT FRI AUG 1 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR DOOR
COUNTY...
AT 304 PM...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS
TORNADO WAS LOCATED NEAR CARLSVILLE...OR 10 MILES NORTHEAST OF
STURGEON BAY...AND MOVING SOUTHEAST AT 36 MPH. THE STORM WILL MOVE
TOWARD VALMY AND INSTITUTE...AND WHITEFISH DUNES STATE PARK.
DOPPLER RADAR INDICATES STRONG ROTATION WITH THE STORM. A TORNADO MAY
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS
STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING AND
STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A
HIGHWAY OVERPASS.
CAMPERS AND OTHERS SHOULD SEEK SHELTER IN A STURDY BUILDING
IMMEDIATELY.
LAT...LON 4498 8716 4492 8715 4488 8718 4481 8727
4492 8743 4505 8733 4508 8747 4507 8738
4512 8732 4511 8729 4514 8726 4504 8710
TIME...MOT...LOC 2007Z 311DEG 31KT 4494 8726
$$
SKOWRONSKI000
WWUS53 KGRB 012016
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
316 PM CDT FRI AUG 1 2008
WIC029-012025-
/O.EXP.KGRB.TO.W.0011.000000T0000Z-080801T2015Z/
DOOR-
315 PM CDT FRI AUG 1 2008
...THE TORNADO WARNING FOR DOOR COUNTY HAS EXPIRED...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED.
GUSTY WINDS AND SMALL HAIL ARE STILL POSSIBLE AS THE STORM MOVES
ACROSS THE VALMY AND INSTITUTE AREAS.
LAT...LON 4498 8716 4492 8715 4488 8718 4481 8727
4492 8743 4505 8733 4508 8747 4507 8738
4512 8732 4511 8729 4514 8726 4504 8710
TIME...MOT...LOC 2015Z 307DEG 26KT 4493 8722
$$
SKOWRONSKIThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 1:50 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 25 min |
| Aug 1, 1:54 PM CDT | Special Marine Warning | GRB | 66 min | |
| Aug 1, 2:04 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Outagamie, Winnebago | 41 min |
| Aug 1, 2:33 PM CDT | Severe Thunderstorm Warning | GRB | Calumet | 42 min |
| Aug 1, 2:34 PM CDT | Severe Thunderstorm Warning | GRB | Door | 56 min |
| Aug 1, 3:00 PM CDT | Special Marine Warning | GRB | 50 min | |
| Aug 1, 4:36 PM CDT | Special Marine Warning | GRB | 24 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.