Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 76, NWS Green Bay, WI

July 21, 2016Portage County, Waushara County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 21, 2016, 4:00 PM CDT for Portage County, Waushara County, Wisconsin. It was in force for 75 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 21, 2016, 4:00 PM CDT (21:00 UTC)
Expired: Jul 21, 2016, 5:15 PM CDT
In force: 75 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Portage County, WI, Waushara County, WI

The radar

The Green Bay radar (KGRB), 111 km from the middle of the area, began a volume at 21:02 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
Jul 21, 4:15 PM CDT	TSTM WND DMG	Kellner, WI	TREES DOWN IN PARTS OF SOUTHERN AND CENTRAL PORTAGE COUNTY. TIME AND LOCATION ESTIMATED BY RADAR
Jul 21, 4:32 PM CDT	TSTM WND DMG	2 Sw Coloma, WI	THUNDERSTORM WINDS DOWNED TREES AND POWER LINES IN THE COLOMA AREA.
Jul 21, 4:32 PM CDT	TSTM WND DMG	2 Sw Coloma, WI	THUNDERSTORM WINDS DOWNED TREES AND POWER LINES IN THE COLOMA AREA. TIME ESTIMATED BASED ON RADAR DATA.
Jul 21, 5:02 PM CDT	TSTM WND DMG	1 E Wautoma, WI	THUNDERSTORM WINDS DOWNED ROAD CONSTRUCTION BARRICADES IN THE WAUTOMA AREA. TIME ESTIMATED BASED ON RADAR DATA.
Jul 21, 5:02 PM CDT	NON-TSTM WND DMG	1 E Wautoma, WI	THUNDERSTORM WINDS DOWNED ROAD CONSTRUCTION BARRICADES IN THE WAUTOMA AREA. TIME ESTIMATED BASED ON RADAR DATA.
Jul 21, 5:07 PM CDT	TSTM WND DMG	3 Nw Redgranite, WI	THUNDERSTORM WINDS DOWNED TREES ON COUNTY ROAD S IN MOUNT MORRIS. TIME ESTIMATED BASED ON RADAR DATA.
Jul 21, 5:09 PM CDT	TSTM WND DMG	5 Se Wautoma, WI	THUNDERSTORM WINDS KNOCKED A TREE ONTO A HOUSE IN THE TOWN OF MARION. TIME ESTIMATED BASED ON RADAR DATA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.0 hours before the alert went out and 111 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.

385 
WUUS53 KGRB 212100
SVRGRB
WIC097-137-212215-
/O.NEW.KGRB.SV.W.0076.160721T2100Z-160721T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
400 PM CDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WAUSHARA COUNTY IN CENTRAL WISCONSIN...
  SOUTHERN PORTAGE COUNTY IN CENTRAL WISCONSIN...

* UNTIL 515 PM CDT

* AT 400 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES SOUTHEAST OF LAKE WAZEECHA TO 7 MILES SOUTH
  OF NEW ROME...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  WAUTOMA...BERLIN...REDGRANITE...PLAINFIELD...LAKE WAZEECHA...SILVER
  LAKE...PINE RIVER...DAKOTA...MOUNT MORRIS AND SAXEVILLE.

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 4424 8960 4425 8973 4451 8973 4408 8889
      4399 8888 4398 8960
TIME...MOT...LOC 2100Z 319DEG 31KT 4434 8964 4413 8994 

HAIL...0.88IN
WIND...60MPH
 
$$

KURIMSKI

5 follow-up statements

979 
WWUS53 KGRB 212115
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
415 PM CDT THU JUL 21 2016

WIC097-137-212215-
/O.CON.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
WAUSHARA WI-PORTAGE WI-
415 PM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR WAUSHARA AND SOUTHERN PORTAGE COUNTIES...

AT 415 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR PLAINFIELD TO 6 MILES NORTHEAST OF FRIENDSHIP...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WAUTOMA...BERLIN...REDGRANITE...PLAINFIELD...LAKE WAZEECHA...
SILVER LAKE...PINE RIVER...DAKOTA...MOUNT MORRIS AND SAXEVILLE.

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 4424 8960 4425 8973 4451 8973 4408 8889
      4399 8888 4398 8960
TIME...MOT...LOC 2115Z 313DEG 37KT 4425 8953 4401 8971 

HAIL...0.88IN
WIND...60MPH
 
$$

KURIMSKI

284 
WWUS53 KGRB 212125
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
425 PM CDT THU JUL 21 2016

WIC097-212134-
/O.CAN.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
PORTAGE WI-
425 PM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PORTAGE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4424 8960 4424 8921 4408 8889 4399 8888
      4398 8960
TIME...MOT...LOC 2124Z 313DEG 37KT 4419 8945 4395 8963 

$$

WIC137-212215-
/O.CON.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
WAUSHARA WI-
425 PM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR WAUSHARA COUNTY...

AT 424 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR PLAINFIELD TO 8 MILES NORTHWEST OF WESTFIELD...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WAUTOMA...BERLIN...REDGRANITE...PLAINFIELD...SILVER LAKE...
PINE RIVER...DAKOTA...MOUNT MORRIS...SAXEVILLE AND WILD ROSE.

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 4424 8960 4424 8921 4408 8889 4399 8888
      4398 8960
TIME...MOT...LOC 2124Z 313DEG 37KT 4419 8945 4395 8963 

HAIL...0.88IN
WIND...60MPH
 
$$

KURIMSKI

497 
WWUS53 KGRB 212140
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
440 PM CDT THU JUL 21 2016

WIC137-212215-
/O.CON.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
WAUSHARA WI-
440 PM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR WAUSHARA COUNTY...

AT 440 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WAUTOMA TO NEAR WESTFIELD...MOVING SOUTHEAST AT
30 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WAUTOMA...BERLIN...REDGRANITE...SILVER LAKE...PINE RIVER...DAKOTA...
MOUNT MORRIS...SAXEVILLE...WILD ROSE AND RICHFORD.

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 4413 8959 4424 8938 4424 8921 4408 8889
      4399 8888 4398 8960
TIME...MOT...LOC 2140Z 305DEG 28KT 4410 8934 4397 8947 

HAIL...0.88IN
WIND...60MPH
 
$$

KURIMSKI

385 
WWUS53 KGRB 212155
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
455 PM CDT THU JUL 21 2016

WIC137-212215-
/O.CON.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
WAUSHARA WI-
455 PM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR WAUSHARA COUNTY...

AT 455 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR REDGRANITE TO 7 MILES NORTHWEST OF PRINCETON...
MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WAUTOMA...BERLIN...REDGRANITE...SILVER LAKE...PINE RIVER...DAKOTA...
MOUNT MORRIS...SAXEVILLE...WILD ROSE AND RICHFORD.

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 4412 8943 4417 8934 4424 8921 4408 8889
      4399 8888 4398 8946
TIME...MOT...LOC 2155Z 289DEG 31KT 4408 8915 4394 8921 

HAIL...0.88IN
WIND...60MPH
 
$$

KURIMSKI

133 
WWUS53 KGRB 212212
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
512 PM CDT THU JUL 21 2016

WIC137-212221-
/O.EXP.KGRB.SV.W.0076.000000T0000Z-160721T2215Z/
WAUSHARA WI-
512 PM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR WAUSHARA COUNTY WILL EXPIRE AT
515 PM CDT...
            
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 WILL BE ALLOWED TO EXPIRE.  HOWEVER, GUSTS UP
TO 30 MPH WILL REMAIN POSSIBLE OVER SOUTHEAST WAUSHARA COUNTY OVER
THE NEXT HOUR. 

LAT...LON 4412 8943 4417 8934 4424 8921 4408 8889
      4399 8888 4398 8946
TIME...MOT...LOC 2209Z 319DEG 31KT 4408 8915 4394 8921 

$$

MPC

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, 8:12 AM CDT	Severe Thunderstorm Warning	GRB	Kewaunee	63 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

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.