Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 152, NWS Twin Cities, MN

June 11, 2004Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2004, 4:41 PM CDT for Sibley County, Minnesota. It was in force for 64 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 11, 2004, 4:41 PM CDT (21:41 UTC)
Expired: Jun 11, 2004, 5:45 PM CDT
In force: 64 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Sibley County, MN

The radar

The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 21:44 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 12:00Z, 9.7 hours before the alert went out and 68 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: 572 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

363 
WUUS53 KMPX 112141
SVRMPX
MNC143-112245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
440 PM CDT FRI JUN 11 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SIBLEY COUNTY IN CENTRAL MINNESOTA

* UNTIL 545 PM CDT

* AT 435 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 11 MILES WEST OF GAYLORD...OR ABOUT 17 MILES NORTH OF NEW
  ULM...AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...  
 GAYLORD.
 GIBBON.
 WINTHROP.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4461 9461 4449 9461 4448 9395 4461 9401

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 2:19 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	41 min
Jun 11, 2:46 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	44 min
Jun 11, 2:58 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	62 min
Jun 11, 3:11 PM CDT	Severe Thunderstorm Warning	MPX	Renville	64 min
Jun 11, 4:11 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville	64 min
Jun 11, 4:21 PM CDT	Severe Thunderstorm Warning	MPX	Martin	54 min
Jun 11, 4:28 PM CDT	Severe Thunderstorm Warning	MPX	Faribault	62 min
Jun 11, 4:42 PM CDT	Tornado Warning	MPX	Faribault	33 min
Jun 11, 4:50 PM CDT	Tornado Warning	MPX	Blue Earth	40 min
Jun 11, 5:06 PM CDT	Tornado Warning	MPX	Waseca	39 min
Jun 11, 5:16 PM CDT	Severe Thunderstorm Warning	MPX	Wright	59 min
Jun 11, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet	49 min
Jun 11, 5:40 PM CDT	Tornado Warning	MPX	Freeborn, Steele	35 min
Jun 11, 5:46 PM CDT	Severe Thunderstorm Warning	MPX	Waseca	44 min
Jun 11, 6:04 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Ramsey	56 min
Jun 11, 6:09 PM CDT	Severe Thunderstorm Warning	MPX	Rice	51 min
Jun 11, 6:24 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	51 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004 Every severe thunderstorm warning in 2004

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.