Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 248, NWS Twin Cities, MN

August 3, 20055 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2005, 9:26 PM CDT for 5 counties in Minnesota. It was in force for 64 min. 4 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, 9:26 PM CDT (02:26 UTC)
Expired
Aug 3, 2005, 10:30 PM CDT
In force
64 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Brown County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 123 km from the middle of the area, began a volume at 02:29 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, 9:47 PM CDTTSTM WND DMGMorgan, MN3 INCH DIAMETER TREE BRANCHES DOWN
Aug 3, 9:58 PM CDTTSTM WND DMGEvan, MN3 INCH DIAMETER TREE BRANCHES DOWN
Aug 3, 10:01 PM CDTTSTM WND GST 604 S New Ulm, MN
Aug 3, 10:20 PM CDTTSTM WND DMGSt George, MNLARGE TREE DOWN ALONG WITH NUMEROUS TREE BRANCHES

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, 2.4 hours before the alert went out and 121 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 040227
SVRMPX
MNC015-103-127-129-143-040330-
/O.NEW.KMPX.SV.W.0248.050804T0226Z-050804T0330Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RENVILLE COUNTY IN CENTRAL MINNESOTA
  SIBLEY COUNTY IN CENTRAL MINNESOTA
  REDWOOD COUNTY IN SOUTHWEST MINNESOTA
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1030 PM CDT

* AT 924 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 REDWOOD FALLS
  TO 21 MILES SOUTH OF REDWOOD FALLS...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SLEEPY EYE...
  NEW ULM...
  FAIRFAX...
  COMFREY...
  ST GEORGE...

STAY INDOORS...AND AWAY FROM WINDOWS. THIS STORM HAS A HISTORY OF 
PRODUCING HAIL TO 2 INCHES IN DIAMETER. AT 922 PM...QUARTER SIZE 
HAIL WAS REPORTED IN WABASSO IN REDWOOD COUNTY.

LAT...LON 4464 9517 4421 9537 4421 9509 4413 9508
      4413 9447 4462 9443

$$

KAT
2 follow-up statements
000 
WWUS53 KMPX 040247
SVSMPX

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

MNC015-103-127-129-143-040330-
/O.CON.KMPX.SV.W.0248.000000T0000Z-050804T0330Z/
RENVILLE MN-SIBLEY MN-REDWOOD MN-BROWN MN-NICOLLET MN-
947 PM CDT WED AUG 3 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1030 PM CDT FOR
NICOLLET...BROWN...REDWOOD...SIBLEY AND RENVILLE COUNTIES...

AT 942 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL TO THE SIZE OF 
QUARTERS AND DAMAGING WINDS TO 65 MPH. THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM FRANKLIN TO 9 MILES SOUTHEAST OF 
SPRINGFIELD...AND MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST GEORGE...SLEEPY EYE...NORTH
REDWOOD...NEW ULM...MORTON...MORGAN...HANSKA...GIBBON...FAIRFAX...
EVAN...COBDEN AND CLEMENTS.

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4461 9511 4413 9508 4413 9447 4462 9443

$$

KAT
000 
WWUS53 KMPX 040304
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1001 PM CDT WED AUG 3 2005

MNC127-040311-
/O.CAN.KMPX.SV.W.0248.000000T0000Z-050804T0330Z/
REDWOOD MN-
1001 PM CDT WED AUG 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR REDWOOD COUNTY IS CANCELLED...

THE LINE OF THUNDERSTORMS THAT PROMPTED THE WARNING FOR REDWOOD 
COUNTY HAS MOVED EAST OF THE COUNTY. THEREFORE...THE WARNING HAS 
BEEN CANCELLED. PRIOR TO MOVING OUT OF THE COUNTY...HIGH WINDS 
DOWNED 3 INCH TREE LIMBS IN MORGAN AT 947 PM.

LAT...LON 4455 9485 4413 9487 4413 9447 4455 9444

$$

MNC015-103-129-143-040330-
/O.CON.KMPX.SV.W.0248.000000T0000Z-050804T0330Z/
RENVILLE MN-SIBLEY MN-BROWN MN-NICOLLET MN-
1001 PM CDT WED AUG 3 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1030 PM CDT FOR
NICOLLET...BROWN...SIBLEY AND RENVILLE COUNTIES...

AT 947 PM CDT...DAMAGING WINDS DOWNED 3 INCH TREE LIMBS IN MORGAN 
NEAR THE REDWOOD AND BROWN COUNTY LINE. THIS IS A DANGEROUS 
STORM...SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS ALSO AT 1001 
PM CDT...WIND GUSTS TO 60 MPH WERE MEASURED 5 MILES SOUTH OF NEW ULM 
IN BROWN COUNTY.

AT 959 PM CDT...THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS 
IN EXCESS OF 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 8 
MILES SOUTHWEST OF FAIRFAX TO SLEEPY EYE TO 10 MILES SOUTHEAST OF 
COBDEN...AND MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST GEORGE...NEW ULM...
HANSKA...GIBBON AND EVAN.

LAT...LON 4455 9485 4413 9487 4413 9447 4455 9444

$$

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, 9:36 PM CDTSevere Thunderstorm WarningMPXWatonwan54 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.