Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 39, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at May 17, 2017, 7:59 PM CDT for 6 counties in Wisconsin. It was in force for 61 min. 1 report 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
- May 17, 2017, 7:59 PM CDT (00:59 UTC)
- Expired
- May 17, 2017, 9:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Langlade County, WI, Marathon County, WI, Menominee County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI
The radar
The Green Bay radar (KGRB), 89 km from the middle of the area, began a volume at 01:02 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 |
|---|---|---|---|
| May 17, 8:05 PM CDT | TSTM WND DMG | Antigo, WI | TREES DOWN IN THE CITY OF ANTIGO. |
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 |
|---|---|---|---|
| May 17, 3:13 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 91 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
- 483 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1467 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 7.7
The text
As transmitted.
867 WUUS53 KGRB 180059 SVRGRB WIC067-073-078-097-115-135-180200- /O.NEW.KGRB.SV.W.0039.170518T0059Z-170518T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Green Bay WI 759 PM CDT WED MAY 17 2017 The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... Northeastern Portage County in central Wisconsin... Southeastern Marathon County in central Wisconsin... Menominee County in northeastern Wisconsin... Northwestern Waupaca County in northeastern Wisconsin... South central Langlade County in north central Wisconsin... Western Shawano County in northeastern Wisconsin... * Until 900 PM CDT. * At 759 PM CDT, a severe thunderstorm was located over Bevent, or 17 miles northeast of Stevens Point, moving northeast at 55 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Antigo, Weston, Randolph, Bevent, Wittenberg, Legend Lake, Keshena, Neopit, Ringle and Red River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && A tornado watch remains in effect until 1100 PM CDT for central, north central and northeastern Wisconsin. LAT...LON 4450 8936 4486 8956 4526 8900 4488 8851 TIME...MOT...LOC 0059Z 215DEG 47KT 4472 8937 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ EB
3 follow-up statements
002 WWUS53 KGRB 180118 SVSGRB Severe Weather Statement National Weather Service Green Bay WI 818 PM CDT WED MAY 17 2017 WIC067-073-078-097-115-135-180200- /O.CON.KGRB.SV.W.0039.000000T0000Z-170518T0200Z/ Portage WI-Marathon WI-Menominee WI-Waupaca WI-Langlade WI- Shawano WI- 818 PM CDT WED MAY 17 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTHEASTERN PORTAGE...SOUTHEASTERN MARATHON...MENOMINEE... NORTHWESTERN WAUPACA...SOUTH CENTRAL LANGLADE AND WESTERN SHAWANO COUNTIES... At 817 PM CDT, a severe thunderstorm was located near Wittenberg, or 22 miles south of Antigo, moving northeast at 60 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Antigo, Randolph, Bevent, Wittenberg, Legend Lake, Keshena, Neopit, Ringle, Red River and Polar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && A tornado watch remains in effect until 1100 PM CDT for central, north central and northeastern Wisconsin. LAT...LON 4450 8936 4491 8949 4526 8900 4488 8851 TIME...MOT...LOC 0117Z 212DEG 54KT 4483 8921 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ AK
090
WWUS53 KGRB 180132
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
832 PM CDT WED MAY 17 2017
WIC073-097-135-180141-
/O.CAN.KGRB.SV.W.0039.000000T0000Z-170518T0200Z/
Portage WI-Marathon WI-Waupaca WI-
832 PM CDT WED MAY 17 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PORTAGE...
SOUTHEASTERN MARATHON AND NORTHWESTERN WAUPACA COUNTIES IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 1100 PM CDT for north central
and northeastern Wisconsin.
LAT...LON 4510 8922 4526 8900 4488 8851 4468 8919
4468 8922
TIME...MOT...LOC 0131Z 220DEG 36KT 4494 8908
$$
WIC067-078-115-180200-
/O.CON.KGRB.SV.W.0039.000000T0000Z-170518T0200Z/
Menominee WI-Langlade WI-Shawano WI-
832 PM CDT WED MAY 17 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR MENOMINEE...SOUTH CENTRAL LANGLADE AND WESTERN SHAWANO
COUNTIES...
At 831 PM CDT, a severe thunderstorm was located 9 miles north of
Wittenberg, or 14 miles south of Antigo, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Antigo, Wittenberg, Legend Lake, Keshena, Neopit, Polar, Birnamwood,
Tigerton, Gresham and Mattoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 1100 PM CDT for north central
and northeastern Wisconsin.
LAT...LON 4510 8922 4526 8900 4488 8851 4468 8919
4468 8922
TIME...MOT...LOC 0131Z 220DEG 36KT 4494 8908
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$
AK936
WWUS53 KGRB 180150
SVSGRB
Severe Weather Statement
National Weather Service Green Bay WI
850 PM CDT WED MAY 17 2017
WIC067-078-115-180200-
/O.CON.KGRB.SV.W.0039.000000T0000Z-170518T0200Z/
Menominee WI-Langlade WI-Shawano WI-
850 PM CDT WED MAY 17 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR MENOMINEE...SOUTH CENTRAL LANGLADE AND WESTERN SHAWANO
COUNTIES...
At 849 PM CDT, a severe thunderstorm was located near White Lake, or
13 miles east of Antigo, moving northeast at45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Antigo, Legend Lake, Keshena, Neopit, Polar, Tigerton, Gresham,
Mattoon, Bowler and Bryant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 100 AM CDT for north central
and northeastern Wisconsin.
LAT...LON 4512 8919 4526 8900 4488 8851 4472 8904
TIME...MOT...LOC 0149Z 215DEG 47KT 4514 8888
HAIL...1.00IN
WIND...60MPH
$$
EBThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:13 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 50 min |
| May 17, 7:44 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon, Oneida | 29 min |
| May 17, 8:10 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Oneida, Vilas | 37 min |
| May 17, 8:15 PM CDT | River Flood Advisory | GRB | Florence, Marinette | 36 hr |
| May 17, 8:15 PM CDT | River Flood Advisory | GRB | Florence, Marinette | 36 hr |
| May 17, 8:22 PM CDT | Special Marine Warning | GRB | 113 min | |
| May 17, 8:37 PM CDT | Areal Flood Advisory | GRB | Lincoln, Marathon, Portage, Wood | 12 hr |
| May 17, 8:39 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest, Marinette | 31 min |
| May 17, 8:54 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Portage, Waushara, Wood | 44 min |
| May 17, 9:01 PM CDT | River Flood Warning | GRB | Wood | 51 hr |
| May 17, 9:03 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Menominee, Oconto | 16 min |
| May 17, 9:26 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Marathon, Outagamie, Portage, Shawano, Waupaca and 2 more | 49 min |
| May 17, 9:34 PM CDT | Special Marine Warning | GRB | 116 min | |
| May 17, 10:14 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Kewaunee, Manitowoc, Oconto, Outagamie and 1 more | 61 min |
| May 17, 10:29 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Marinette, Menominee, Oconto | 28 min |
| May 17, 10:48 PM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee | 42 min |
| May 17, 11:20 PM CDT | Special Marine Warning | GRB | 85 min | |
| May 18, 4:01 AM CDT | Gale Warning | GRB | 17 hr | |
| May 18, 4:01 AM CDT | Small Craft Advisory | GRB | 24 hr | |
| May 18, 4:51 AM CDT | River Flood Advisory | GRB | Florence, Marinette | 36 hr |
| May 18, 4:51 AM CDT | River Flood Advisory | GRB | Florence, Marinette | 36 hr |
| May 18, 4:51 AM CDT | River Flood Advisory | GRB | Marinette | 36 hr |
| May 18, 5:29 AM CDT | Areal Flood Warning | GRB | Marathon | 12 hr |
| May 18, 6:37 AM CDT | River Flood Warning | GRB | Lincoln | 62 hr |
| May 18, 6:37 AM CDT | River Flood Warning | GRB | Marathon | 4 days |
| May 18, 6:46 AM CDT | River Flood Warning | GRB | Lincoln, Marathon | 62 hr |
| May 18, 7:29 AM CDT | River Flood Warning | GRB | Wood | 27 hr |
| May 18, 9:51 AM CDT | River Flood Warning | GRB | Marathon | 57 hr |
| May 18, 2:50 PM CDT | Frost Advisory | GRB | Marathon, Marinette, Menominee, Oconto, Portage, Shawano and 3 more | 17 hr |
| May 18, 2:50 PM CDT | Freeze Warning | GRB | Florence, Forest, Langlade, Lincoln, Marinette, Oconto and 2 more | 17 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2017Every severe thunderstorm warning in 2017
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.