Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 249, NWS Twin Cities, MN

August 3, 2005Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2005, 9:36 PM CDT for Watonwan County, Minnesota. It was in force for 54 min. 2 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
Aug 3, 2005, 9:36 PM CDT (02:36 UTC)
Expired
Aug 3, 2005, 10:30 PM CDT
In force
54 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 128 km from the middle of the area, began a volume at 02:37 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

TimeReportWhereRemark
Aug 3, 10:00 PM CDTTSTM WND DMGSt James, MNLARGE TREE DOWN
Aug 3, 10:20 PM CDTTSTM WND DMG1 S Butterfield, MNLARGE TREE DOWN ON COUNTY ROAD 19

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 3, 7:40 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.6 hours before the alert went out and 126 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 2005-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2005-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
1345 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 040236
SVRMPX
MNC165-040330-
/O.NEW.KMPX.SV.W.0249.050804T0236Z-050804T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
936 PM CDT WED AUG 3 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1030 PM CDT

* AT 933 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 21 MILES WEST
  OF ST JAMES TO 21 MILES SOUTHWEST OF ST JAMES...AND MOVING EAST AT
  40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ST JAMES...
  MADELIA...
  DARFUR...
  BUTTERFIELD...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS ACROSS PORTIONS 
OF COTTONWOOD COUNTY. STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4410 9485 4386 9484 4386 9438 4410 9440

$$

KAT
1 follow-up statement
000 
WWUS53 KMPX 040328
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1028 PM CDT WED AUG 3 2005

MNC165-040343-
/O.EXP.KMPX.SV.W.0249.000000T0000Z-050804T0330Z/
WATONWAN MN-
1028 PM CDT WED AUG 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR WATONWAN COUNTY WILL EXPIRE AT
1030 PM CDT...

THE THUNDERSTORM THAT PROMPTED THE WARNING FOR WATONWAN COUNTY HAS 
MOVED EAST OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING 
WILL BE ALLOWED TO EXPIRE.

LAT...LON 4410 9485 4386 9484 4386 9438 4410 9440

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:25 PM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine65 min
Aug 3, 9:26 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood, Renville, Sibley64 min
Aug 3, 10:15 PM CDTSevere Thunderstorm WarningMPXBlue Earth60 min
Aug 3, 10:24 PM CDTSevere Thunderstorm WarningMPXNicollet, Sibley66 min
Aug 3, 10:40 PM CDTSevere Thunderstorm WarningMPXLe Sueur65 min
Aug 3, 10:43 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin38 min
Aug 3, 10:59 PM CDTSevere Thunderstorm WarningMPXScott61 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.