Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Green Bay, WI

June 17, 2018Florence County, Forest County, Oneida County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 17, 2018, 6:34 PM CDT for Florence County, Forest County, Oneida County, Wisconsin. It was in force for 34 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
Jun 17, 2018, 6:34 PM CDT (23:34 UTC)
Expired
Jun 17, 2018, 7:08 PM CDT
In force
34 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Florence County, WI, Forest County, WI, Oneida County, WI

The radar

The Marquette radar (KMQT), 124 km from the middle of the area, began a volume at 23:34 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

TimeReportWhereRemark
Jun 17, 6:45 PM CDTTSTM WND DMGN Argonne, WISTORMS DESTROYED BIRD PENS JUST NORTH OF ARGONNE. TIME ESTIMATED. REPORT VIA SOCIAL MEDIA.

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.

IssuedProductOfficeLasted
Jun 17, 3:46 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.6 hours before the alert went out and 152 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2018-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1403 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2018-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1403 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WUUS53 KGRB 172334
SVRGRB
WIC037-041-085-180030-
/O.NEW.KGRB.SV.W.0013.180617T2334Z-180618T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
634 PM CDT SUN JUN 17 2018

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Forest County in northeastern Wisconsin...
  Florence County in northeastern Wisconsin...
  Southeastern Oneida County in north central Wisconsin...

* Until 730 PM CDT.

* At 633 PM CDT, severe thunderstorms were located along a line
  extending from 8 miles northwest of Tipler to 8 miles northwest of
  Popple River to 9 miles northwest of Crandon, moving east at 40
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Popple River around 645 PM CDT.
  Tipler around 650 PM CDT.
  Florence around 710 PM CDT.
  Homestead around 720 PM CDT.
  Kingsford around 725 PM CDT.

Other locations impacted by these severe thunderstorms include Gagen,
Blackwell, Aurora, Argonne, Wabeno, Commonwealth, Lost Lake
Campground, Bear Lake Campground, Fence and Monico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
immediately to shelter inside a strong building. Stay away from 
windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4599 8867 4602 8851 4598 8842 4595 8819
      4587 8807 4581 8813 4578 8806 4572 8806
      4572 8842 4538 8843 4538 8892 4547 8893
      4547 8942 4555 8943 4556 8947 4562 8951
      4590 8905 4598 8899 4598 8893 4606 8890
TIME...MOT...LOC 2333Z 270DEG 35KT 4599 8876 4585 8883 4567 8904 

HAIL...<.75IN
WIND...60MPH
 
$$

Kurimski
2 follow-up statements
381 
WWUS53 KGRB 172354
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
654 PM CDT SUN JUN 17 2018

WIC085-180004-
/O.CAN.KGRB.SV.W.0013.000000T0000Z-180618T0030Z/
Oneida WI-
654 PM CDT SUN JUN 17 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ONEIDA COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
north central and northeastern Wisconsin.

LAT...LON 4602 8851 4599 8849 4600 8847 4595 8829
      4595 8819 4587 8807 4581 8813 4578 8806
      4572 8806 4572 8842 4538 8843 4538 8892
      4547 8893 4547 8904 4581 8903 4590 8887
      4597 8883 4601 8877 4598 8864 4600 8861
TIME...MOT...LOC 2354Z 273DEG 34KT 4583 8855 4569 8862 4551 8883 

$$

WIC037-041-180030-
/O.CON.KGRB.SV.W.0013.000000T0000Z-180618T0030Z/
Forest WI-Florence WI-
654 PM CDT SUN JUN 17 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR FOREST AND FLORENCE COUNTIES...

At 654 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Tipler to 7 miles southeast of
Popple River to near Crandon, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Florence around 715 PM CDT.
  Homestead around 720 PM CDT.
  Kingsford around 725 PM CDT.

Other locations impacted by these severe thunderstorms include
Blackwell, Lasalle Falls, Spread Eagle, Nashville, Mole Lake, Aurora,
Laona, Argonne, Wabeno and Commonwealth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4602 8851 4599 8849 4600 8847 4595 8829
      4595 8819 4587 8807 4581 8813 4578 8806
      4572 8806 4572 8842 4538 8843 4538 8892
      4547 8893 4547 8904 4581 8903 4590 8887
      4597 8883 4601 8877 4598 8864 4600 8861
TIME...MOT...LOC 2354Z 273DEG 34KT 4583 8855 4569 8862 4551 8883 

HAIL...<.75IN
WIND...60MPH
 
$$

Kurimski
589 
WWUS53 KGRB 180008
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
708 PM CDT SUN JUN 17 2018

WIC037-041-180018-
/O.CAN.KGRB.SV.W.0013.000000T0000Z-180618T0030Z/
Forest WI-Florence WI-
708 PM CDT SUN JUN 17 2018

...THE SEVERE THUNDERSTORM WARNING FOR FOREST AND FLORENCE COUNTIES
IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
north central and northeastern Wisconsin.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Green Bay.

LAT...LON 4602 8851 4599 8849 4600 8847 4595 8829
      4595 8819 4587 8807 4581 8813 4578 8806
      4572 8806 4572 8842 4538 8843 4538 8892
      4547 8893 4547 8904 4581 8903 4590 8887
      4597 8883 4601 8877 4598 8864 4600 8861
TIME...MOT...LOC 0005Z 270DEG 35KT 4583 8838 4569 8845 4551 8866 

$$

Kurimski

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 7:08 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas63 min
Jun 16, 7:57 PM CDTSpecial Weather StatementGRBForest48 min
Jun 17, 3:57 PM CDTSpecial Weather StatementGRBVilas, Wood48 min
Jun 17, 4:41 PM CDTSevere Thunderstorm WarningGRBVilas64 min
Jun 17, 5:47 PM CDTSevere Thunderstorm WarningGRBForest, Oneida, Vilas58 min
Jun 17, 6:03 PM CDTSpecial Weather StatementGRBLincoln, Marathon, Oneida42 min
Jun 17, 6:17 PM CDTAreal Flood WarningGRBForest, Oneida, Vilas118 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018Every severe thunderstorm warning 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.