Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 72, NWS Green Bay, WI

July 21, 2016Kewaunee County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 21, 2016, 8:12 AM CDT for Kewaunee County, Wisconsin. It was in force for 63 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: Jul 21, 2016, 8:12 AM CDT (13:12 UTC)
Expired: Jul 21, 2016, 9:15 AM CDT
In force: 63 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 80.0 mph

County Kewaunee County, WI

The radar

The Green Bay radar (KGRB), 38 km from the middle of the area, began a volume at 13:11 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 21, 8:45 AM CDT	TSTM WND DMG	Luxemburg, WI	SCATTERED TREES AND POWER LINES DOWN IN THE LUXEMBURG AREA AND ALSO NEAR CASCO AREA. TIME ESTIMATED VIA RADAR.

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 21, 4:31 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.2 hours before the alert went out and 37 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1904 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 686 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

904 
WUUS53 KGRB 211312
SVRGRB
WIC061-211415-
/O.NEW.KGRB.SV.W.0072.160721T1312Z-160721T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
812 AM CDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KEWAUNEE COUNTY IN NORTHEASTERN WISCONSIN...

* UNTIL 915 AM CDT

* AT 811 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR OCONTO TO NEAR PULASKI...MOVING EAST AT 60 MPH.

  THESE ARE VERY DANGEROUS STORMS. 

  HAZARD...80 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT 
           CONSIDERABLE DAMAGE TO ROOFS...WINDOWS...AND VEHICLES. 
           EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  KEWAUNEE...ALGOMA...LUXEMBURG...CASCO...BIRCHWOOD...CURRAN...
  LINCOLN...PILSEN...KROK AND THIRY DAEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4433 8777 4464 8776 4464 8777 4468 8777
      4467 8732 4454 8741 4432 8748
TIME...MOT...LOC 1311Z 292DEG 52KT 4486 8777 4458 8820 

HAIL...1.00IN
WIND...80MPH
 
$$

KURIMSKI

3 follow-up statements

698 
WWUS53 KGRB 211330
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
830 AM CDT THU JUL 21 2016

WIC061-211415-
/O.CON.KGRB.SV.W.0072.000000T0000Z-160721T1415Z/
KEWAUNEE WI-
830 AM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR KEWAUNEE COUNTY...

AT 830 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES WEST OF STURGEON BAY TO GREEN BAY...MOVING
SOUTHEAST AT 35 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
KEWAUNEE...ALGOMA...LUXEMBURG...CASCO...BIRCHWOOD...CURRAN...
LINCOLN...PILSEN...KROK AND THIRY DAEMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4433 8777 4464 8776 4464 8777 4468 8777
      4467 8732 4454 8741 4432 8748
TIME...MOT...LOC 1330Z 295DEG 31KT 4479 8758 4452 8801 

HAIL...1.00IN
WIND...70MPH
 
$$

KURIMSKI

331 
WWUS53 KGRB 211358
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
858 AM CDT THU JUL 21 2016

WIC061-211415-
/O.CON.KGRB.SV.W.0072.000000T0000Z-160721T1415Z/
KEWAUNEE WI-
858 AM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR KEWAUNEE COUNTY...

AT 858 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES EAST OF ALGOMA TO NEAR KEWAUNEE...MOVING
SOUTHEAST AT 45 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...
KEWAUNEE...ALGOMA...CASCO...BIRCHWOOD...CURRAN...PILSEN...
ELLISVILLE...NEUERN...KROK AND BOLT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4433 8777 4446 8776 4467 8752 4467 8732
      4454 8741 4432 8748
TIME...MOT...LOC 1358Z 302DEG 41KT 4463 8730 4439 8757 

HAIL...1.00IN
WIND...60MPH
 
$$

KURIMSKI

536 
WWUS53 KGRB 211411
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
911 AM CDT THU JUL 21 2016

WIC061-211421-
/O.EXP.KGRB.SV.W.0072.000000T0000Z-160721T1415Z/
KEWAUNEE WI-
911 AM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR KEWAUNEE COUNTY WILL EXPIRE AT
915 AM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 AM CDT FOR
NORTHEASTERN AND EAST CENTRAL WISCONSIN.

LAT...LON 4433 8777 4446 8776 4467 8752 4467 8732
      4454 8741 4432 8748
TIME...MOT...LOC 1410Z 292DEG 52KT 4463 8730 4439 8757 

$$

KURIMSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 4:49 AM CDT	Special Weather Statement	GRB	Oneida, Vilas	71 min
Jul 21, 5:20 AM CDT	Severe Thunderstorm Warning	GRB	Vilas	61 min
Jul 21, 5:30 AM CDT	Special Weather Statement	GRB	Lincoln	90 min
Jul 21, 5:54 AM CDT	Special Weather Statement	GRB	Oneida	51 min
Jul 21, 6:16 AM CDT	Special Weather Statement	GRB	Lincoln, Marathon	89 min
Jul 21, 6:43 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	24 min
Jul 21, 6:46 AM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Langlade, Oneida	40 min
Jul 21, 6:49 AM CDT	Severe Thunderstorm Warning	GRB	Marathon	47 min
Jul 21, 6:54 AM CDT	Severe Thunderstorm Warning	GRB	Marinette	85 min
Jul 21, 6:59 AM CDT	Severe Thunderstorm Warning	GRB	Menominee, Oconto, Shawano	91 min
Jul 21, 7:02 AM CDT	Special Marine Warning	GRB		118 min
Jul 21, 7:08 AM CDT	Special Weather Statement	GRB	Wood	52 min
Jul 21, 7:13 AM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	68 min
Jul 21, 7:16 AM CDT	Severe Thunderstorm Warning	GRB	Waupaca	89 min
Jul 21, 7:53 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie	72 min
Jul 21, 7:55 AM CDT	Severe Thunderstorm Warning	GRB	Door	65 min
Jul 21, 8:01 AM CDT	Severe Thunderstorm Warning	GRB	Waushara	52 min
Jul 21, 8:16 AM CDT	Severe Thunderstorm Warning	GRB	Calumet, Winnebago	74 min
Jul 21, 8:18 AM CDT	Special Marine Warning	GRB		117 min
Jul 21, 8:39 AM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	81 min
Jul 21, 3:01 PM CDT	Special Weather Statement	GRB	Portage, Wood	44 min
Jul 21, 3:16 PM CDT	Severe Thunderstorm Warning	GRB	Wood	59 min
Jul 21, 3:50 PM CDT	Special Weather Statement	GRB	Portage	40 min
Jul 21, 4:00 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waushara	75 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016 Every severe thunderstorm warning in 2016

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.