Alert archive / Wisconsin / Tornado Warnings in 2007
Tornado Warning 14, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Jun 7, 2007, 5:15 PM CDT for Shawano County, Wisconsin. It was in force for 29 min. 2 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
- Jun 7, 2007, 5:15 PM CDT (22:15 UTC)
- Expired
- Jun 7, 2007, 5:44 PM CDT
- In force
- 29 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Shawano County, WI
The radar
The Green Bay radar (KGRB), 69 km from the middle of the area, began a volume at 22:17 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 |
|---|---|---|---|
| Jun 7, 5:17 PM CDT | TSTM WND DMG | Tilleda, WI | FEW TREES DOWN IN AREA. |
| Jun 7, 5:22 PM CDT | HAIL 0.75 | Gresham, 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 |
|---|---|---|---|
| Jun 7, 2:41 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 70 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
- 33 J/kg
- Mixed-layer CIN
- -754 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 214 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 072215
TORGRB
WIC115-072315-
/O.NEW.KGRB.TO.W.0014.070607T2215Z-070607T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
515 PM CDT THU JUN 7 2007
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* TORNADO WARNING FOR...
SHAWANO COUNTY IN NORTHEAST WISCONSIN...
* UNTIL 615 PM CDT
* AT 512 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTHWEST OF SPLIT
ROCK... OR ABOUT 14 MILES NORTH OF WAUPACA. THIS TORNADO WAS
MOVING NORTHEAST AT 55 MPH.
LAT...LON 4469 8920 4469 8893 4484 8841 4486 8874
4495 8878
$$
HELMAN2 follow-up statements
000
WWUS53 KGRB 072225 RRA
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
524 PM CDT THU JUN 7 2007
WIC115-072315-
/O.CON.KGRB.TO.W.0014.000000T0000Z-070607T2315Z/
SHAWANO WI-
524 PM CDT THU JUN 7 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SHAWANO
COUNTY...
AT 521 PM...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS
TORNADO WAS LOCATED NEAR LEOPOLIS...OR ABOUT 12 MILES WEST OF
SHAWANO...MOVING NORTHEAST AT 60 MPH.
* THE TORNADO WILL BE NEAR...
RED RIVER AND THORNTON BY 530 PM...
A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP
SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE
INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS.
LAT...LON 4469 8920 4469 8893 4485 8846 4486 8874
4493 8875
$$
HELMAN000
WWUS53 KGRB 072244
SVSGRB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
544 PM CDT THU JUN 7 2007
WIC115-072254-
/O.CAN.KGRB.TO.W.0014.000000T0000Z-070607T2315Z/
SHAWANO WI-
544 PM CDT THU JUN 7 2007
...THE TORNADO WARNING FOR SHAWANO COUNTY IS CANCELLED...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED.
LAT...LON 4469 8920 4469 8893 4485 8846 4486 8874
4493 8875
$$
HELMANThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 4:23 AM CDT | Wind Advisory | GRB | Brown, Calumet, Door, Florence, Forest, Kewaunee and 16 more | 15 hr |
| Jun 7, 2:47 PM CDT | Severe Thunderstorm Warning | GRB | Wood | 58 min |
| Jun 7, 3:02 PM CDT | Tornado Warning | GRB | Wood | 43 min |
| Jun 7, 3:09 PM CDT | Severe Thunderstorm Warning | GRB | Vilas | 36 min |
| Jun 7, 3:39 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 66 min |
| Jun 7, 3:46 PM CDT | Tornado Warning | GRB | Wood | 44 min |
| Jun 7, 3:55 PM CDT | Tornado Warning | GRB | Marathon | 47 min |
| Jun 7, 4:09 PM CDT | Tornado Warning | GRB | Shawano | 36 min |
| Jun 7, 4:25 PM CDT | Tornado Warning | GRB | Wood | 20 min |
| Jun 7, 4:26 PM CDT | Tornado Warning | GRB | Portage | 40 min |
| Jun 7, 4:29 PM CDT | Tornado Warning | GRB | Langlade, Menominee | 46 min |
| Jun 7, 4:42 PM CDT | Severe Thunderstorm Warning | GRB | Shawano | 33 min |
| Jun 7, 4:51 PM CDT | Tornado Warning | GRB | Oconto | 39 min |
| Jun 7, 5:10 PM CDT | Tornado Warning | GRB | Marinette | 41 min |
| Jun 7, 5:48 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 27 min |
| Jun 7, 5:49 PM CDT | Severe Thunderstorm Warning | GRB | Oconto | 23 min |
| Jun 7, 5:56 PM CDT | Special Marine Warning | GRB | 73 min | |
| Jun 7, 6:02 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Winnebago | 43 min |
| Jun 7, 6:16 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 22 min |
| Jun 7, 6:50 PM CDT | Marine Weather Statement | GRB | 85 min | |
| Jun 7, 6:54 PM CDT | Special Marine Warning | GRB | 61 min |
Nearby
Tornado Warnings in Wisconsin, 2007Every tornado warning in 2007Tornadoes in 2007
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.