Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 175, NWS Twin Cities, MN

June 27, 2005Le Sueur County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 2005, 10:00 PM CDT for Le Sueur County, Minnesota. It was in force for 45 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
Jun 27, 2005, 10:00 PM CDT (03:00 UTC)
Expired
Jun 27, 2005, 10:45 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Le Sueur County, MN

The radar

The Minneapolis radar (KMPX), 55 km from the middle of the area, began a volume at 03:00 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 00:00Z, 3.0 hours before the alert went out and 55 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 2005-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1221 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 2005-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1221 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 280300
SVRMPX
MNC079-280345-
/O.NEW.KMPX.SV.W.0175.050628T0300Z-050628T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1000 PM CDT MON JUN 27 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1045 PM CDT

* AT 955 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 10 MILES
  WEST OF LE CENTER...OR ABOUT OVER ST PETER...AND MOVING SOUTHEAST
  AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LE CENTER...
  KASOTA...
  CLEVELAND...
  ST HENRY...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4447 9385 4427 9399 4424 9375 4445 9355

$$

KAT
2 follow-up statements
000 
WWUS53 KMPX 280324
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1024 PM CDT MON JUN 27 2005

MNC079-280345-
/O.CON.KMPX.SV.W.0175.000000T0000Z-050628T0345Z/
LE SUEUR MN-
1024 PM CDT MON JUN 27 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1045 PM CDT FOR LE
SUEUR COUNTY...

AT 1020 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL...AND THIS STORM WAS
LOCATED NEAR CLEVELAND...OR ABOUT 9 MILES EAST OF ST PETER...MOVING
SOUTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST THOMAS...ST HENRY...
MONTGOMERY...LE CENTER...KILKENNY AND KASOTA.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4447 9385 4427 9399 4421 9360 4445 9355

$$

KAT
000 
WWUS53 KMPX 280341
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1041 PM CDT MON JUN 27 2005

MNC079-280351-
/O.EXP.KMPX.SV.W.0175.000000T0000Z-050628T0345Z/
LE SUEUR MN-
1041 PM CDT MON JUN 27 2005

...THE SEVERE THUNDERSTORM WARNING FOR LE SUEUR COUNTY WILL EXPIRE AT
1045 PM CDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED TO BELOW SEVERE 
LEVELS. THEREFORE...THE SEVERE THUNDERSTORM WARNING FOR LE SUEUR 
COUNTY WILL BE ALLOWED TO EXPIRE.

LAT...LON 4447 9385 4427 9399 4421 9360 4445 9355

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 7:25 PM CDTSevere Thunderstorm WarningMPXDakota50 min
Jun 27, 7:30 PM CDTSevere Thunderstorm WarningMPXWaseca45 min
Jun 27, 7:30 PM CDTSevere Thunderstorm WarningMPXWaseca45 min
Jun 27, 7:52 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley53 min
Jun 27, 9:22 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Nicollet, Sibley38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.