Alert archive / Wisconsin / Tornado Warnings in 2013

Tornado Warning 4, NWS Green Bay, WI

July 9, 2013Portage County, Waushara County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 9, 2013, 5:50 PM CDT for Portage County, Waushara County, Wisconsin. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2013, 5:50 PM CDT (22:50 UTC)
Expired: Jul 9, 2013, 6:15 PM CDT
In force: 25 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Portage County, WI, Waushara County, WI

The radar

The Green Bay radar (KGRB), 96 km from the middle of the area, began a volume at 22:52 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.8 hours before the alert went out and 97 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: 110 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

512 
WFUS53 KGRB 092250
TORGRB
WIC097-137-092315-
/O.NEW.KGRB.TO.W.0004.130709T2250Z-130709T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
550 PM CDT TUE JUL 9 2013

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
  NORTHERN WAUSHARA COUNTY IN CENTRAL WISCONSIN...

* UNTIL 615 PM CDT

* AT 548 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR PLAINFIELD...
  AND MOVING EAST AT 25 MPH.

  HAZARD...DAMAGING TORNADO.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  ALMOND...HEFFRON...WILD ROSE...SAXEVILLE AND PINE RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4422 8952 4432 8950 4427 8922 4424 8922
      4425 8907 4424 8902 4408 8903
TIME...MOT...LOC 2250Z 281DEG 23KT 4425 8942

TORNADO...OBSERVED
HAIL...<.75IN

$$

MPC

2 follow-up statements

301 
WWUS53 KGRB 092258
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
558 PM CDT TUE JUL 9 2013

WIC097-137-092315-
/O.CON.KGRB.TO.W.0004.000000T0000Z-130709T2315Z/
WAUSHARA WI-PORTAGE WI-
558 PM CDT TUE JUL 9 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PORTAGE AND
NORTH CENTRAL WAUSHARA COUNTIES UNTIL 615 PM CDT...

AT 555 PM CDT...A CONFIRMED TORNADO WAS LOCATED 6 MILES NORTHEAST OF 
PLAINFIELD...AND MOVING EAST SOUTHEAST AT 25 MPH.

HAZARD...DAMAGING TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
HEFFRON...WILD ROSE...SAXEVILLE AND PINE RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4422 8945 4429 8942 4424 8922 4424 8907
      4424 8902 4408 8903
TIME...MOT...LOC 2257Z 281DEG 23KT 4424 8936

TORNADO...OBSERVED
HAIL...<.75IN

$$

MPC

654 
WWUS53 KGRB 092306
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
606 PM CDT TUE JUL 9 2013

WIC097-092316-
/O.CAN.KGRB.TO.W.0004.000000T0000Z-130709T2315Z/
PORTAGE WI-
606 PM CDT TUE JUL 9 2013

...THE TORNADO WARNING FOR SOUTHEASTERN PORTAGE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4419 8936 4420 8937 4424 8935 4424 8902
      4408 8903
TIME...MOT...LOC 2306Z 281DEG 23KT 4423 8928

$$

WIC137-092315-
/O.CON.KGRB.TO.W.0004.000000T0000Z-130709T2315Z/
WAUSHARA WI-
606 PM CDT TUE JUL 9 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL WAUSHARA
COUNTY UNTIL 615 PM CDT...

AT 603 PM CDT...A CONFIRMED TORNADO WAS LOCATED 8 MILES SOUTHWEST OF
HARTMAN CREEK STATE PARK...AND MOVING EAST AT 25 MPH.

HAZARD...DAMAGING TORNADO.

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
WILD ROSE...SAXEVILLE AND PINE RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4419 8936 4420 8937 4424 8935 4424 8902
      4408 8903
TIME...MOT...LOC 2306Z 281DEG 23KT 4423 8928

TORNADO...OBSERVED
HAIL...<.75IN

$$

MPC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 3:19 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln	56 min
Jul 9, 3:50 PM CDT	Tornado Warning Tornado observed	GRB	Langlade	40 min
Jul 9, 6:15 PM CDT	Tornado Warning	GRB	Waushara	30 min

Nearby

Tornado Warnings in Wisconsin, 2013 Every tornado warning in 2013 Tornadoes in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.