Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 270, NWS Twin Cities, MN

August 3, 2008Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2008, 4:03 PM CDT for Chippewa County, Wisconsin. It was in force for 27 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
Aug 3, 2008, 4:03 PM CDT (21:03 UTC)
Expired
Aug 3, 2008, 4:30 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

County Chippewa County, WI

The radar

The La Crosse radar (KARX), 156 km from the middle of the area, began a volume at 21:04 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

Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 201 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2008-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 032103
SVRMPX
WIC017-032130-
/O.NEW.KMPX.SV.W.0270.080803T2103Z-080803T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
403 PM CDT SUN AUG 3 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 430 PM CDT

* AT 402 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING DAMAGING WINDS IN EXCESS OF 65 MPH.  THIS STORM WAS
  LOCATED 8 MILES NORTHWEST OF HOLCOMBE...OR ABOUT 13 MILES SOUTHWEST
  OF LADYSMITH...AND MOVING EAST AT 57 MPH.

* SOME LOCATIONS INCLUDE...
  CORNELL...
  HOLCOMBE...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

LAT...LON 4505 9093 4529 9153 4530 9130 4529 9106
      4530 9104 4530 9093
TIME...MOT...LOC 2103Z 290DEG 49KT 4529 9122

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 2:31 PM CDTSevere Thunderstorm WarningMPXPolk44 min
Aug 3, 2:58 PM CDTSevere Thunderstorm WarningMPXBarron47 min
Aug 3, 3:35 PM CDTSevere Thunderstorm WarningMPXRusk55 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008Every severe thunderstorm warning in 2008

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.