Alert archive / Wisconsin / Tornado Warnings in 2018
Tornado Warning 7, NWS Green Bay, WI
NWS Green Bay, WI issued this tornado warning at Aug 28, 2018, 4:27 PM CDT for Calumet County, Manitowoc County, Wisconsin. It was in force for 18 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
- Aug 28, 2018, 4:27 PM CDT (21:27 UTC)
- Expired
- Aug 28, 2018, 4:45 PM CDT
- In force
- 18 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Calumet County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 59 km from the middle of the area, began a volume at 21:26 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 |
|---|---|---|---|
| Aug 28, 4:30 PM CDT | TSTM WND DMG | 2 Sse Meggers, WI | BARN DOWN ON HWY X AND 67. DELAYED REPORT TIME ESTIMATED BY RADAR. |
| Aug 28, 4:30 PM CDT | TSTM WND DMG | New Holstein, WI | LOTS OF TREES DOWN IN NEW HOLSTEIN. DELAYED REPORT BY LAW ENFORCEMENT. ESTIMATED TIME FROM PREVIOUS REPORT OF MESONET GUST. |
| Aug 28, 4:30 PM CDT | TSTM WND GST 54 | New Holstein, WI | |
| Aug 28, 4:30 PM CDT | TSTM WND GST 60 | New Holstein, WI | |
| Aug 28, 4:33 PM CDT | TORNADO | 3 N Kiel, WI | BRIEF TORNADO DESTROYED A BARN AND DAMAGED A FEW TREES ABOUT 2.5 MILES NORTH OF KIEL NEAR THE CALUMET/MANITOWOC COUNTY LINE. OTHER WIND DAMAGE NEAR NEW HOLSTEIN AND EAST OF KIEL WAS A RESULT OF STRAIGHT-LINE WINDS ASSOCIATED WITH SAME STORM SYSTEM. |
| Aug 28, 4:35 PM CDT | TSTM WND DMG | Kiel, WI | NUMEROUS TREES AND POWER LINES DOWN AROUND THE KIEL AREA. DELAYED REPORT TIME ESTIMATED BY RADAR. |
| Aug 28, 4:35 PM CDT | TSTM WND DMG | Kiel, WI | TREES AND POWERLINES DOWN IN CITY. |
| Aug 28, 4:44 PM CDT | TSTM WND GST 60 | 4 E Kiel, 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 |
|---|---|---|---|
| Aug 28, 1:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.5 hours before the alert went out and 57 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
- 41 J/kg
- Mixed-layer CIN
- -407 J/kg
- Mixed-layer LCL
- 1253 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
912
WFUS53 KGRB 282127
TORGRB
WIC015-071-282145-
/O.NEW.KGRB.TO.W.0007.180828T2127Z-180828T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
427 PM CDT TUE AUG 28 2018
The National Weather Service in Green Bay has issued a
* Tornado Warning for...
Southeastern Calumet County in east central Wisconsin...
Southwestern Manitowoc County in east central Wisconsin...
* Until 445 PM CDT.
* At 422 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Chilton, or 17 miles east of Oshkosh, moving east
at 35 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.
* This dangerous storm will be near...
Chilton and St Anna around 425 PM CDT.
St. Nazianz around 445 PM CDT.
Other locations impacted by this tornadic thunderstorm include Louis
Corners, Brant, Killsnake Wildlife Area, Kiel, Jericho, Millhome,
Kloten, New Holstein, Charlesburg and Collins.
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.
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 4394 8816 4394 8829 4406 8830 4413 8790
4389 8793 4389 8816
TIME...MOT...LOC 2122Z 267DEG 32KT 4398 8819
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
EB2 follow-up statements
795
WWUS53 KGRB 282133
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
433 PM CDT TUE AUG 28 2018
WIC015-071-282145-
/O.CON.KGRB.TO.W.0007.000000T0000Z-180828T2145Z/
Calumet WI-Manitowoc WI-
433 PM CDT TUE AUG 28 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHEASTERN CALUMET AND SOUTHWESTERN MANITOWOC COUNTIES...
At 433 PM CDT, a severe thunderstorm capable of producing a tornado
was located near St. Nazianz, or 14 miles northwest of Howards Grove,
moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
St. Nazianz around 440 PM CDT.
Other locations impacted by this tornadic thunderstorm include Louis
Corners, Killsnake Wildlife Area, Collins, Steinthal, Kiel, Meggers,
Millhome and New Holstein.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4393 8814 4397 8811 4411 8803 4413 8790
4389 8793 4389 8816
TIME...MOT...LOC 2133Z 269DEG 35KT 4398 8804
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
KLB018
WWUS53 KGRB 282147
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
447 PM CDT TUE AUG 28 2018
WIC015-071-282156-
/O.EXP.KGRB.TO.W.0007.000000T0000Z-180828T2145Z/
Calumet WI-Manitowoc WI-
447 PM CDT TUE AUG 28 2018
...THE TORNADO WARNING FOR SOUTHEASTERN CALUMET AND SOUTHWESTERN
MANITOWOC COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. However heavy
rain is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Wisconsin.
Remember, a Tornado Warning still remains in effect for southern
Manitowoc County.
LAT...LON 4393 8814 4397 8811 4411 8803 4413 8790
4389 8793 4389 8816
TIME...MOT...LOC 2146Z 267DEG 32KT 4399 8787
$$
KLBThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:28 PM CDT | Special Weather Statement | GRB | Marathon | 62 min |
| Aug 27, 7:48 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Wood | 57 min |
| Aug 27, 8:12 PM CDT | Special Weather Statement | GRB | Lincoln | 33 min |
| Aug 27, 8:30 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon | 44 min |
| Aug 27, 8:44 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 48 min |
| Aug 27, 9:03 PM CDT | Special Weather Statement | GRB | Forest | 42 min |
| Aug 27, 9:08 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Waushara | 37 min |
| Aug 27, 9:28 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Portage, Shawano, Waupaca | 47 min |
| Aug 27, 9:40 PM CDT | Tornado Warning | GRB | Waupaca, Waushara, Winnebago | 35 min |
| Aug 27, 9:43 PM CDT | Special Marine Warning | GRB | 62 min | |
| Aug 27, 9:48 PM CDT | Severe Thunderstorm Warning | GRB | Oconto, Shawano | 42 min |
| Aug 27, 9:59 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Outagamie, Waupaca, Winnebago | 38 min |
| Aug 27, 10:18 PM CDT | Special Weather Statement | GRB | Brown | 42 min |
| Aug 27, 10:28 PM CDT | Special Marine Warning | GRB | 92 min | |
| Aug 27, 10:29 PM CDT | Special Weather Statement | GRB | Door | 61 min |
| Aug 27, 10:32 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Manitowoc | 43 min |
| Aug 27, 10:39 PM CDT | Special Marine Warning | GRB | 71 min | |
| Aug 27, 10:41 PM CDT | Severe Thunderstorm Warning | GRB | Door | 36 min |
| Aug 27, 11:09 PM CDT | Areal Flood Advisory | GRB | Calumet, Manitowoc, Winnebago | 6 hr |
| Aug 28, 2:45 AM CDT | Areal Flood Advisory | GRB | Waushara | 3 hr |
| Aug 28, 4:08 AM CDT | Flash Flood Watch | GRB | Brown, Kewaunee, Outagamie | 17 hr |
| Aug 28, 1:37 PM CDT | Special Weather Statement | GRB | Portage, Waupaca, Waushara, Wood | 53 min |
| Aug 28, 2:03 PM CDT | Special Weather Statement | GRB | Waupaca, Waushara, Winnebago | 42 min |
| Aug 28, 2:20 PM CDT | Special Weather Statement | GRB | Outagamie | 40 min |
| Aug 28, 2:35 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie | 29 min |
| Aug 28, 2:36 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 39 min |
| Aug 28, 3:08 PM CDT | Areal Flood Advisory | GRB | Brown, Outagamie, Waupaca, Waushara, Winnebago | 3 hr |
| Aug 28, 3:24 PM CDT | Severe Thunderstorm Warning | GRB | Waushara, Winnebago | 51 min |
| Aug 28, 3:33 PM CDT | Special Weather Statement | GRB | Kewaunee | 27 min |
| Aug 28, 3:50 PM CDT | Areal Flood Advisory | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Winnebago | 3 hr |
| Aug 28, 4:03 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Manitowoc, Winnebago | 42 min |
| Aug 28, 4:08 PM CDT | Special Marine Warning | GRB | 112 min | |
| Aug 28, 4:38 PM CDT | Tornado Warning | GRB | Manitowoc | 20 min |
| Aug 28, 4:53 PM CDT | Flash Flood Warning | GRB | Calumet, Outagamie, Winnebago | 3 hr |
| Aug 28, 5:55 PM CDT | Areal Flood Advisory | GRB | Brown, Outagamie, Waushara, Winnebago | 3 hr |
| Aug 28, 6:42 PM CDT | Areal Flood Advisory | GRB | Calumet | 2 hr |
Nearby
Tornado Warnings in Wisconsin, 2018Every tornado warning in 2018Tornadoes in 2018
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.