Alert archive / Wisconsin / Tornado Warnings in 2010

Tornado Warning 9, NWS Green Bay, WI

June 23, 20104 counties in Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 23, 2010, 6:14 PM CDT for 4 counties in Wisconsin. It was in force for 46 min. 3 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: Jun 23, 2010, 6:14 PM CDT (23:14 UTC)
Expired: Jun 23, 2010, 7:00 PM CDT
In force: 46 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon

Counties Forest County, WI, Langlade County, WI, Marinette County, WI, Oconto County, WI

The radar

The Green Bay radar (KGRB), 103 km from the middle of the area, began a volume at 23:17 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
Jun 23, 6:15 PM CDT	FUNNEL CLOUD	Carter, WI	NEAR COUNTY C...TIME ESTIMATED
Jun 23, 6:15 PM CDT	TSTM WND DMG	Lakewood, WI	SHERIFF REPORTED NUMEROUS TREES AND POWER LINES DOWN IN THE CITY OF LAKEWOOD.
Jun 23, 6:35 PM CDT	TSTM WND DMG	12 Nw Crivitz, WI	8 TO 12 INCH PINE TREES DOWN AND TIPPED OVER BY ROOTS.

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, 11.2 hours before the alert went out and 106 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: 318 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 623 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 312 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

381 
WFUS53 KGRB 232314
TORGRB
WIC041-067-075-083-240000-
/O.NEW.KGRB.TO.W.0009.100623T2314Z-100624T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
614 PM CDT WED JUN 23 2010

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN FOREST COUNTY IN NORTHEAST WISCONSIN...
  EAST CENTRAL LANGLADE COUNTY IN NORTH CENTRAL WISCONSIN...
  WESTERN MARINETTE COUNTY IN NORTHEAST WISCONSIN...
  OCONTO COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 700 PM CDT

* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CARTER...OR 22 MILES SOUTHEAST OF CRANDON...
  AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOUNTAIN...LAKEWOOD...CALDRON FALLS RESERVOIR AND HIGH FALLS
  RESERVOIR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4557 8835 4560 8812 4515 8813 4513 8898
      4532 8896
TIME...MOT...LOC 2314Z 284DEG 33KT 4533 8854

$$

SKOWRONSKI

2 follow-up statements

422 
WWUS53 KGRB 232321
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
621 PM CDT WED JUN 23 2010

WIC041-067-075-083-240000-
/O.CON.KGRB.TO.W.0009.000000T0000Z-100624T0000Z/
FOREST WI-LANGLADE WI-MARINETTE WI-OCONTO WI-
621 PM CDT WED JUN 23 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR OCONTO...WESTERN
MARINETTE...EAST CENTRAL LANGLADE AND SOUTHEASTERN FOREST COUNTIES
UNTIL 700 PM CDT...

AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES SOUTHEAST OF CARTER...OR 25 MILES SOUTHEAST
OF CRANDON...MOVING EAST AT 40 MPH. THE STORM WAS ONE OF A SERIES OF 
SEVERE THUNDERSTORMS MOVING ACROSS NORTHEAST WISCONSIN. ALTHOUGH NO 
CONFIRMED REPORTS OF TORNADOES HAVE BEEN RECEIVED YET...THERE HAVE 
BEEN A COUPLE REPORTS OF FUNNEL CLOUDS. IN ADDITION...THE STORMS ARE 
EXHIBITING RADAR SIGNATURES THAT INDICATE THEY COULD PRODUCE A 
TORNADO AT ANY TIME. 

LOCATIONS IMPACTED INCLUDE...
  MOUNTAIN...CALDRON FALLS RESERVOIR AND HIGH FALLS RESERVOIR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4557 8835 4560 8812 4515 8813 4513 8898
      4532 8896
TIME...MOT...LOC 2320Z 284DEG 33KT 4532 8846

$$

SKOWRONSKI

629 
WWUS53 KGRB 232340
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
640 PM CDT WED JUN 23 2010

WIC041-232346-
/O.CAN.KGRB.TO.W.0009.000000T0000Z-100624T0000Z/
FOREST WI-
640 PM CDT WED JUN 23 2010

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

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

LAT...LON 4515 8813 4513 8898 4523 8880 4538 8844
      4538 8842 4542 8834 4549 8813
TIME...MOT...LOC 2336Z 289DEG 34KT 4526 8826

$$

WIC067-075-083-240000-
/O.CON.KGRB.TO.W.0009.000000T0000Z-100624T0000Z/
LANGLADE WI-MARINETTE WI-OCONTO WI-
640 PM CDT WED JUN 23 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR OCONTO...WEST CENTRAL
MARINETTE AND EAST CENTRAL LANGLADE COUNTIES UNTIL 700 PM CDT...

AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 10 MILES NORTHEAST OF MOUNTAIN...OR 34 MILES 
SOUTHEAST OF CRANDON...MOVING EAST AT 40 MPH. 

THE STORM WAS ONE IN A SERIES OF SEVERE STORMS TRACKING ACROSS THE 
NORTHEAST PART OF THE STATE. THE STORMS STILL HAD NOT PRODUCED ANY 
CONFIRMED TORNADOES...BUT CONTINUED TO EXHIBITING RADAR SIGNATURES 
INDICATING THAT THEY COULD AT ANY TIME. EVEN IF A TORNADO DOES NOT 
DEVELOP...SIGNIFICANT WIND DAMAGE COULD STILL OCCUR FROM STRONG 
STRAIGHT-LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
  HIGH FALLS RESERVOIR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4515 8813 4513 8898 4523 8880 4538 8844
      4538 8842 4542 8834 4549 8813
TIME...MOT...LOC 2336Z 289DEG 34KT 4526 8826

$$

SKOWRONSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 5:15 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Oneida	45 min
Jun 23, 5:35 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Marinette, Oneida	55 min
Jun 23, 5:52 PM CDT	Tornado Warning	GRB	Forest, Langlade, Oconto	23 min
Jun 23, 6:32 PM CDT	Special Marine Warning	GRB		118 min
Jun 23, 6:50 PM CDT	Severe Thunderstorm Warning	GRB	Marinette, Menominee, Oconto	43 min

Nearby

Tornado Warnings in Wisconsin, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.