Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Milwaukee, WI

June 19, 2009Kenosha County, Racine County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 19, 2009, 1:23 AM CDT for Kenosha County, Racine County, Wisconsin. It was in force for 52 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: Jun 19, 2009, 1:23 AM CDT (06:23 UTC)
Expired: Jun 19, 2009, 2:15 AM CDT
In force: 52 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon

Counties Kenosha County, WI, Racine County, WI

The radar

The Milwaukee radar (KMKX), 62 km from the middle of the area, began a volume at 06:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 18, 11:30 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.4 hours before the alert went out and 206 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: 5 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 1214 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 180 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.

000 
WUUS53 KMKX 190623
SVRMKX
WIC059-101-190715-
/O.NEW.KMKX.SV.W.0021.090619T0623Z-090619T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
123 AM CDT FRI JUN 19 2009

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KENOSHA COUNTY IN SOUTHEAST WISCONSIN
  SOUTHERN RACINE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 215 AM CDT

* AT 123 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
  THUNDERSTORMS PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM DOWNTOWN
  RACINE TO UNION GROVE TO BOHNERS LAKE...AND WERE MOVING SOUTHEAST
  AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  POWERS LAKE BY 130 AM CDT...
  TWIN LAKES...SILVER LAKE AND PADDOCK LAKE BY 135 AM CDT...         
  KENOSHA AIRPORT AND CAMP LAKE BY 140 AM CDT...  
  PLEASANT PRAIRIE...DOWNTOWN KENOSHA AND LAKE CATHERINE BY 145 AM   
  CDT...

THIS STORM HAS A HISTORY OF PRODUCING TREE DAMAGE ACROSS SOUTHERN 
RACINE COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4270 8777 4264 8780 4253 8780 4249 8779
      4248 8783 4249 8824 4253 8830 4271 8830
      4274 8812 4278 8782 4275 8777
TIME...MOT...LOC 0623Z 310DEG 33KT 4276 8776 4269 8804
          4264 8829

$$

BORGHOFF/FRANKS

2 follow-up statements

000 
WWUS53 KMKX 190651
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
151 AM CDT FRI JUN 19 2009

WIC101-190659-
/O.CAN.KMKX.SV.W.0021.000000T0000Z-090619T0715Z/
RACINE WI-
151 AM CDT FRI JUN 19 2009

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

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA...THUS 
THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 AM CDT FRIDAY 
MORNING. 

LAT...LON 4255 8829 4260 8780 4253 8780 4249 8779
      4248 8783 4249 8824 4253 8830
TIME...MOT...LOC 0649Z 305DEG 34KT 4260 8751 4253 8779
          4248 8804

$$

WIC059-190715-
/O.CON.KMKX.SV.W.0021.000000T0000Z-090619T0715Z/
KENOSHA WI-
151 AM CDT FRI JUN 19 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT 
FOR KENOSHA COUNTY...

AT 148 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 70
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 15 MILES
EAST OF DOWNTOWN KENOSHA TO DOWNTOWN KENOSHA TO LAKE CATHERINE...
MOVING SOUTHEAST AT 40 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 70 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 4255 8829 4260 8780 4253 8780 4249 8779
      4248 8783 4249 8824 4253 8830
TIME...MOT...LOC 0649Z 305DEG 34KT 4260 8751 4253 8779
          4248 8804

$$

WOOD

000 
WWUS53 KMKX 190716
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
216 AM CDT FRI JUN 19 2009

WIC059-190725-
/O.EXP.KMKX.SV.W.0021.000000T0000Z-090619T0715Z/
KENOSHA WI-
216 AM CDT FRI JUN 19 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KENOSHA COUNTY
EXPIRES AT 215 AM CDT...

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

LAT...LON 4255 8829 4260 8780 4253 8780 4249 8779
      4248 8783 4249 8824 4253 8830
TIME...MOT...LOC 0651Z 305DEG 34KT 4259 8749 4252 8776
          4247 8801

$$

BRUESKE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 10:29 PM CDT	Severe Thunderstorm Warning	MKX	Sauk	46 min
Jun 18, 10:38 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	52 min
Jun 18, 10:59 PM CDT	Severe Thunderstorm Warning	MKX	Iowa, Sauk	61 min
Jun 18, 11:01 PM CDT	Severe Thunderstorm Warning	MKX	Dane	59 min
Jun 18, 11:02 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson	43 min
Jun 18, 11:10 PM CDT	Tornado Warning	MKX	Iowa	50 min
Jun 18, 11:18 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	42 min
Jun 18, 11:44 PM CDT	Flash Flood Warning	MKX	Dane, Iowa, Sauk	5 hr
Jun 18, 11:51 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Iowa, Lafayette	54 min
Jun 18, 11:52 PM CDT	Special Marine Warning	MKX		113 min
Jun 19, 12:01 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Dodge, Jefferson, Washington, Waukesha	59 min
Jun 19, 12:04 AM CDT	Flash Flood Warning	MKX	Jefferson, Milwaukee, Waukesha	4 hr
Jun 19, 12:18 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Green, Jefferson, Lafayette, Rock	72 min
Jun 19, 12:29 AM CDT	Severe Thunderstorm Warning	MKX	Iowa	36 min
Jun 19, 12:33 AM CDT	Flash Flood Warning	MKX	Kenosha, Racine, Rock, Walworth	4 hr
Jun 19, 12:51 AM CDT	Severe Thunderstorm Warning	MKX	Green, Rock, Walworth	54 min
Jun 19, 12:52 AM CDT	Tornado Warning	MKX	Rock	53 min
Jun 19, 12:56 AM CDT	Tornado Warning	MKX	Milwaukee, Racine, Waukesha	40 min
Jun 19, 1:03 AM CDT	Special Marine Warning	MKX		117 min
Jun 19, 1:11 AM CDT	Tornado Warning	MKX	Rock	31 min
Jun 19, 1:32 AM CDT	Flash Flood Warning	MKX	Green, Lafayette	4 hr
Jun 19, 1:37 AM CDT	River Flood Warning	MKX	Milwaukee	10 hr
Jun 19, 1:42 AM CDT	River Flood Warning	MKX	Milwaukee	2 hr
Jun 19, 3:05 AM CDT	River Flood Warning	MKX	Waukesha	3 days
Jun 19, 8:12 AM CDT	River Flood Warning	MKX	Lafayette	45 hr
Jun 19, 8:16 AM CDT	River Flood Watch	MKX	Green	13 hr
Jun 19, 8:17 AM CDT	River Flood Warning	MKX	Green, Rock	37 hr
Jun 19, 8:35 AM CDT	Severe Thunderstorm Warning	MKX	Lafayette	85 min
Jun 19, 8:58 AM CDT	Severe Thunderstorm Warning	MKX	Green	77 min
Jun 19, 9:33 AM CDT	Severe Thunderstorm Warning	MKX	Rock	65 min
Jun 19, 9:47 AM CDT	River Flood Watch	MKX	Kenosha	11 hr
Jun 19, 11:48 AM CDT	Flash Flood Watch	MKX	Dane, Green, Iowa, Jefferson, Kenosha, Lafayette and 5 more	14 hr
Jun 19, 3:08 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	52 min
Jun 19, 4:15 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Green Lake	35 min
Jun 19, 5:11 PM CDT	Flash Flood Warning	MKX	Green, Kenosha, Racine, Rock, Walworth	5 hr
Jun 19, 5:40 PM CDT	Special Marine Warning	MKX		2 hr
Jun 19, 5:41 PM CDT	Tornado Warning	MKX	Kenosha	49 min
Jun 19, 6:43 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine, Walworth	51 min
Jun 19, 6:55 PM CDT	Severe Thunderstorm Warning	MKX	Rock, Walworth	42 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2009 Every severe thunderstorm warning in 2009

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.