Alert archive / Wisconsin / Tornado Warnings in 2019
Tornado Warning 8, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Jul 20, 2019, 11:47 AM CDT for Brown County, Kewaunee County, Manitowoc County, Wisconsin. It was in force for 43 min. 7 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
- Jul 20, 2019, 11:47 AM CDT (16:47 UTC)
- Expired
- Jul 20, 2019, 12:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Brown County, WI, Kewaunee County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 31 km from the middle of the area, began a volume at 16:49 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 |
|---|---|---|---|
| Jul 20, 12:01 PM CDT | TSTM WND DMG | Denmark, WI | TREES DOWN. DELAYED REPORT. TIME ESTIMATED. |
| Jul 20, 12:01 PM CDT | TSTM WND DMG | Larrabee, WI | NUMEROUS TREES DOWN ACROSS THE COUNTY. TIME ESTIMATED. |
| Jul 20, 12:09 PM CDT | TSTM WND DMG | Mishicot, WI | TREE MOVED A HOUSE OFF ITS FOUNDATION. DELAYED REPORT. TIME ESTIMATED. |
| Jul 20, 12:09 PM CDT | TSTM WND DMG | Stangelville, WI | TREES DOWN. DELAYED REPORT. TIME ESTIMATED. |
| Jul 20, 12:12 PM CDT | TSTM WND DMG | Norman, WI | TREES DOWN. DELAYED REPORT. TIME ESTIMATED. |
| Jul 20, 12:15 PM CDT | TSTM WND DMG | Wrightstown, WI | TREES AND WIRES DOWN ALL ACROSS WRIGHTSTOWN. TIME ESTIMATED. |
| Jul 20, 12:18 PM CDT | TSTM WND DMG | 4 Ssw Kewaunee, WI | TREES DOWN. TIME ESTIMATED. |
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 |
|---|---|---|---|
| Jul 20, 9:05 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.8 hours before the alert went out and 29 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
- 2357 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 240 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted.
736
WFUS53 KGRB 201647
TORGRB
WIC009-061-071-201730-
/O.NEW.KGRB.TO.W.0008.190720T1647Z-190720T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
1147 AM CDT Sat Jul 20 2019
The National Weather Service in Green Bay has issued a
* Tornado Warning for...
Southern Brown County in northeastern Wisconsin...
Southwestern Kewaunee County in northeastern Wisconsin...
Northern Manitowoc County in east central Wisconsin...
* Until 1230 PM CDT.
* At 1146 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located 8
miles southwest of Bellevue Town, or 9 miles southwest of Green
Bay, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Bellevue Town around 1155 AM CDT.
Denmark around 1200 PM CDT.
Kewaunee around 1225 PM CDT.
Other locations impacted by this tornadic thunderstorm include Krok,
Mishicot, Little Rapids, Kellnersville, Maribel, Larrabee, Curran,
Wayside, Morrison and De Pere.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4422 8804 4424 8804 4424 8814 4433 8819
4446 8819 4445 8744 4433 8748 4425 8747
4419 8748
TIME...MOT...LOC 1646Z 250DEG 39KT 4439 8810
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
EB2 follow-up statements
303
WWUS53 KGRB 201704
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
1204 PM CDT Sat Jul 20 2019
WIC009-061-071-201730-
/O.CON.KGRB.TO.W.0008.000000T0000Z-190720T1730Z/
Brown WI-Kewaunee WI-Manitowoc WI-
1204 PM CDT Sat Jul 20 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN BROWN...SOUTHWESTERN KEWAUNEE AND NORTHEASTERN MANITOWOC
COUNTIES...
At 1202 PM CDT, a severe squall line capable of producing both weak
tornadoes and extensive straight line wind damage. The storms were
located near Bellevue Town, or 7 miles southeast of Green Bay,
moving east at 50 mph.
HAZARD...Tornado and straight line wind gusts to 80 mph.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Kewaunee around 1225 PM CDT.
Other locations impacted by this tornadic thunderstorm include Krok,
Mishicot, Kellnersville, Maribel, Larrabee, Curran, East Krok,
Shirley, Poland and Cooperstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4421 8791 4429 8792 4435 8797 4446 8800
4445 8744 4432 8748 4425 8747 4419 8748
TIME...MOT...LOC 1702Z 250DEG 39KT 4445 8787
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
EB458
WWUS53 KGRB 201718
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
1218 PM CDT Sat Jul 20 2019
WIC009-071-201727-
/O.CAN.KGRB.TO.W.0008.000000T0000Z-190720T1730Z/
Brown WI-Manitowoc WI-
1218 PM CDT Sat Jul 20 2019
...THE TORNADO WARNING FOR SOUTHEASTERN BROWN AND NORTHEASTERN
MANITOWOC COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 400 PM CDT for
northeastern and east central Wisconsin.
LAT...LON 4431 8755 4433 8754 4433 8761 4436 8763
4445 8766 4445 8744 4432 8748 4431 8750
TIME...MOT...LOC 1717Z 250DEG 39KT 4451 8765
$$
WIC061-201730-
/O.CON.KGRB.TO.W.0008.000000T0000Z-190720T1730Z/
Kewaunee WI-
1218 PM CDT Sat Jul 20 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR SOUTH
CENTRAL KEWAUNEE COUNTY...
At 1217 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Luxemburg, or 7 miles northwest of Kewaunee, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Kewaunee around 1225 PM CDT.
Other locations impacted by this tornadic thunderstorm include Krok,
Norman, Kewaunee Power Station, East Krok and Tisch Mills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4431 8755 4433 8754 4433 8761 4436 8763
4445 8766 4445 8744 4432 8748 4431 8750
TIME...MOT...LOC 1717Z 250DEG 39KT 4451 8765
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
EBThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:17 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon, Portage, Wood | 73 min |
| Jul 19, 7:25 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Lincoln, Oneida | 65 min |
| Jul 19, 7:50 PM CDT | Flash Flood Warning | GRB | Oneida | 115 min |
| Jul 19, 8:12 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Lincoln, Marathon, Marinette, Menominee and 3 more | 63 min |
| Jul 19, 8:20 PM CDT | Special Marine Warning | GRB | 115 min | |
| Jul 19, 8:23 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Menominee, Portage, Shawano, Waupaca, Wood | 52 min |
| Jul 19, 8:26 PM CDT | Tornado Warning | GRB | Marathon, Portage, Shawano, Waupaca | 34 min |
| Jul 19, 8:57 PM CDT | Tornado Warning | GRB | Outagamie, Shawano, Waupaca | 33 min |
| Jul 19, 9:08 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee, Marinette, Oconto, Shawano | 67 min |
| Jul 19, 9:10 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Outagamie, Portage, Shawano and 4 more | 50 min |
| Jul 19, 9:31 PM CDT | Areal Flood Advisory | GRB | Portage, Waupaca, Wood | 111 min |
| Jul 19, 9:40 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Waushara and 1 more | 50 min |
| Jul 19, 9:44 PM CDT | Areal Flood Advisory | GRB | Brown, Outagamie | 101 min |
| Jul 19, 10:09 PM CDT | Special Marine Warning | GRB | 111 min | |
| Jul 19, 10:17 PM CDT | Severe Thunderstorm Warning | GRB | Door | 43 min |
| Jul 19, 10:25 PM CDT | Areal Flood Advisory | GRB | Calumet, Manitowoc, Waushara, Winnebago | 2 hr |
| Jul 19, 10:32 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Manitowoc, Winnebago | 43 min |
| Jul 19, 10:56 PM CDT | Special Weather Statement | GRB | Winnebago | 34 min |
| Jul 20, 8:00 AM CDT | Flash Flood Watch | GRB | Brown, Calumet, Kewaunee, Manitowoc, Marathon, Outagamie and 6 more | 7 hr |
| Jul 20, 8:57 AM CDT | Special Weather Statement | GRB | Kewaunee | 33 min |
| Jul 20, 9:51 AM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Wood | 54 min |
| Jul 20, 9:53 AM CDT | Flash Flood Warning | GRB | Marathon, Portage, Shawano, Waupaca, Waushara, Wood | 5 hr |
| Jul 20, 10:34 AM CDT | Severe Thunderstorm Warning | GRB | Marathon, Menominee, Outagamie, Portage, Shawano, Waupaca and 3 more | 56 min |
| Jul 20, 10:44 AM CDT | Special Marine Warning | GRB | 2 hr | |
| Jul 20, 10:46 AM CDT | Tornado Warning | GRB | Portage, Waupaca | 29 min |
| Jul 20, 10:48 AM CDT | Flash Flood Warning | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Menominee and 6 more | 4 hr |
| Jul 20, 11:03 AM CDT | Tornado Warning | GRB | Outagamie, Waupaca | 27 min |
| Jul 20, 11:21 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Shawano and 3 more | 54 min |
| Jul 20, 11:22 AM CDT | Tornado Warning | GRB | Brown, Outagamie | 38 min |
| Jul 20, 11:35 AM CDT | Severe Thunderstorm Warning | GRB | Menominee, Oconto, Shawano | 40 min |
| Jul 20, 11:58 AM CDT | Severe Thunderstorm Warning | GRB | Door | 62 min |
| Jul 20, 12:14 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Kewaunee, Manitowoc | 31 min |
| Jul 20, 12:42 PM CDT | Special Marine Warning | GRB | 56 min | |
| Jul 20, 12:55 PM CDT | Severe Thunderstorm Warning | GRB | Door | 24 min |
| Jul 20, 1:25 PM CDT | Special Weather Statement | GRB | Portage, Shawano, Waupaca, Waushara | 65 min |
| Jul 20, 2:04 PM CDT | Special Weather Statement | GRB | Brown, Calumet, Menominee, Oconto, Outagamie, Shawano and 3 more | 56 min |
Nearby
Tornado Warnings in Wisconsin, 2019Every tornado warning in 2019Tornadoes in 2019
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.