Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 403, NWS Twin Cities, MN

September 21, 2005Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 21, 2005, 7:14 PM CDT for Barron County, Wisconsin. It was in force for 61 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
Sep 21, 2005, 7:14 PM CDT (00:14 UTC)
Expired
Sep 21, 2005, 8:15 PM CDT
In force
61 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Barron County, WI

The radar

The Duluth radar (KDLH), 147 km from the middle of the area, began a volume at 00:17 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 21, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.2 hours before the alert went out and 153 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 00:00Z on 2005-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2043 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2005-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 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
2043 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1714 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
1.2
Supercell composite
9.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 220014
SVRMPX
WIC005-220115-
/O.NEW.KMPX.SV.W.0403.050922T0014Z-050922T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
714 PM CDT WED SEP 21 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARRON COUNTY IN NORTHWEST WISCONSIN

* UNTIL 815 PM CDT

* AT 712 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 21 MILES NORTHWEST OF BARRON...OR ABOUT 14 MILES NORTHEAST
  OF BALSAM LAKE...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BARRON...
  RICE LAKE...
  POSKIN...
  COMSTOCK...
  

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4563 9215 4544 9214 4534 9156 4563 9155

$$

MKM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 7:01 PM CDTTornado WarningMPXPolk29 min
Sep 21, 7:28 PM CDTSevere Thunderstorm WarningMPXPolk62 min
Sep 21, 7:36 PM CDTFlash Flood WarningMPXBarron3 hr
Sep 21, 7:40 PM CDTSevere Thunderstorm WarningMPXSaint Croix65 min
Sep 21, 7:56 PM CDTFlash Flood WarningMPXPolk3 hr
Sep 21, 7:59 PM CDTFlash Flood WarningMPXSaint Croix3 hr
Sep 21, 8:14 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn61 min
Sep 21, 8:20 PM CDTSevere Thunderstorm WarningMPXPierce55 min
Sep 21, 8:28 PM CDTSevere Thunderstorm WarningMPXPolk32 min
Sep 21, 8:38 PM CDTSevere Thunderstorm WarningMPXSaint Croix67 min
Sep 21, 9:43 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2005Every severe thunderstorm warning in 2005

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.