Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 12, NWS Twin Cities, MN

April 9, 2005Lac qui Parle County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 9, 2005, 10:23 PM CDT for Lac qui Parle County, Swift County, Minnesota. It was in force for 38 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: Apr 9, 2005, 10:23 PM CDT (03:23 UTC)
Expired: Apr 9, 2005, 11:01 PM CDT
In force: 38 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Lac qui Parle County, MN, Swift County, MN

The radar

The Aberdeen radar (KABR), 179 km from the middle of the area, began a volume at 03:22 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

Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 179 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3208 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 100323
SVRMPX
MNC073-151-100400-
/O.NEW.KMPX.SV.W.0012.050410T0323Z-050410T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1023 PM CDT SAT APR 9 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1100 PM CDT

* AT 1019 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED NEAR
  LOUISBURG...OR ABOUT 8 MILES NORTHEAST OF MADISON...AND MOVING
  NORTH AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LOUISBURG.

LAT...LON 4507 9625 4506 9607 4540 9601 4540 9621

$$

KAT

2 follow-up statements

000 
WWUS53 KMPX 100349
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1048 PM CDT SAT APR 9 2005

MNC073-100358-
/O.CAN.KMPX.SV.W.0012.000000T0000Z-050410T0400Z/
LAC QUI PARLE MN-
1048 PM CDT SAT APR 9 2005

...THE SEVERE THUNDERSTORM WARNING FOR LAC QUI PARLE COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED OUT OF LAC QUI PARLE COUNTY...SO 
THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 4524 9623 4517 9604 4540 9601 4540 9621

$$

MNC151-100400-
/O.CON.KMPX.SV.W.0012.000000T0000Z-050410T0400Z/
SWIFT MN-
1048 PM CDT SAT APR 9 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1100 PM CDT FOR
WESTERN SWIFT COUNTY...

AT 1048 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING HAIL TO THE SIZE OF 
NICKELS...AND THIS STORM WAS LOCATED OVER SWIFT COUNTY...OR ABOUT 15 
MILES EAST OF ORTONVILLE...MOVING NORTH AT 25 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

LAT...LON 4524 9623 4517 9604 4540 9601 4540 9621

$$

KAT

000 
WWUS53 KMPX 100401
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1101 PM CDT SAT APR 9 2005

MNC151-100411-
/O.EXP.KMPX.SV.W.0012.000000T0000Z-050410T0400Z/
SWIFT MN-
1101 PM CDT SAT APR 9 2005

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SWIFT COUNTY WILL
EXPIRE AT 1100 PM CDT...

THE SEVERE THUNDERSTORM HAS WEAKENED TO BELOW SEVERE LIMITS AND WILL 
BE ALLOWED TO EXPIRE.

LAT...LON 4524 9623 4517 9604 4540 9601 4540 9621

$$

KAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 9:31 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet, Watonwan	44 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005 Every 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.