Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 45, NWS Twin Cities, MN

June 25, 20034 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 2003, 12:16 AM CDT for 4 counties in Wisconsin. It was in force for 44 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 25, 2003, 12:16 AM CDT (05:16 UTC)
Expired: Jun 25, 2003, 1:00 AM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Barron County, WI, Dunn County, WI, Polk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 131 km from the middle of the area, began a volume at 05:15 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 24, 8:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.3 hours before the alert went out and 133 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: 5332 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 859 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 288 m²/s²
Significant tornado parameter: 7.4
Supercell composite: 34.1

Open this sounding in Storm Lab

The text

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

863 
WUUS53 KMPX 250516
SVRMPX
WIC005-033-095-109-250600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1216 AM CDT WED JUN 25 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN POLK COUNTY IN NORTHWEST WISCONSIN
  BARRON COUNTY IN NORTHWEST WISCONSIN
  EASTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN
  DUNN COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 100 AM CDT

* AT 1216 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH
  DAMAGING WINDS ALONG A LINE EXTENDING FROM 13 MILES NORTHWEST OF
  CUMBERLAND TO 8 MILES SOUTHWEST OF CLEAR LAKE TO 9 MILES SOUTHWEST
  OF BALDWIN...OR ALONG A LINE EXTENDING FROM 15 MILES NORTHEAST OF
  BALSAM LAKE TO 10 MILES EAST OF NEW RICHMOND TO 6 MILES EAST OF
  RIVER FALLS...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BARRON.
  MENOMONIE.
  RICE LAKE.
  TURTLE LAKE.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4571 9226 4516 9236 4489 9246 4486 9169
          4523 9165 4571 9160

$$
SEB/PI

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 8:29 PM CDT	Severe Thunderstorm Warning	MPX	Polk	46 min
Jun 24, 8:43 PM CDT	Tornado Warning	MPX	Polk	47 min
Jun 24, 10:27 PM CDT	Flash Flood Warning	MPX	Polk	2 hr
Jun 24, 11:21 PM CDT	Flash Flood Warning	MPX	Polk, Saint Croix	4 hr
Jun 24, 11:32 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Polk, Saint Croix	43 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2003 Every severe thunderstorm warning in 2003

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.