Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 156, NWS Twin Cities, MN

June 11, 2004Dakota County, Hennepin County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2004, 6:04 PM CDT for Dakota County, Hennepin County, Ramsey County, Minnesota. It was in force for 56 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
Jun 11, 2004, 6:04 PM CDT (23:04 UTC)
Expired
Jun 11, 2004, 7:00 PM CDT
In force
56 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dakota County, MN, Hennepin County, MN, Ramsey County, MN

The radar

The Minneapolis radar (KMPX), 26 km from the middle of the area, began a volume at 23:04 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
Jun 11, 6:14 PM CDTTSTM WND DMGBloomington, MNLARGE BRANCHES WERE DOWNED
Jun 11, 6:14 PM CDTTSTM WND DMGBloomington, MNLARGE BRANCHES WERE DOWNED
Jun 11, 6:14 PM CDTHAIL 0.75Bloomington, MN
Jun 11, 6:14 PM CDTHAIL 0.75Bloomington, MN

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
Jun 11, 5:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 29 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 12:00Z on 2004-06-11Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2004-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
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.

521 
WUUS53 KMPX 112304
SVRMPX
MNC037-053-123-120000-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 700 PM CDT

* AT 600 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING DAMAGING WINDS. THIS STORM WAS NEAR
  BURNSVILLE IN THE SOUTH METRO.  IT WAS MOVING NORTHEAST
  AT 35 MPH. WINDS OF 60 TO 70 MPH ARE POSSIBLE.

* LOCATIONS IMPACTED INCLUDE...
  BLOOMINGTON.
  BURNSVILLE.
  EAGAN.
  LAKEVILLE.
  MINNEAPOLIS.
  ST PAUL.

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 4503 9338 4463 9329 4461 9302 4498 9308

$$
TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:19 PM CDTSevere Thunderstorm WarningMPXRedwood41 min
Jun 11, 2:46 PM CDTSevere Thunderstorm WarningMPXYellow Medicine44 min
Jun 11, 2:58 PM CDTSevere Thunderstorm WarningMPXRedwood62 min
Jun 11, 3:11 PM CDTSevere Thunderstorm WarningMPXRenville64 min
Jun 11, 4:11 PM CDTSevere Thunderstorm WarningMPXKandiyohi, McLeod, Meeker, Renville64 min
Jun 11, 4:21 PM CDTSevere Thunderstorm WarningMPXMartin54 min
Jun 11, 4:28 PM CDTSevere Thunderstorm WarningMPXFaribault62 min
Jun 11, 4:41 PM CDTSevere Thunderstorm WarningMPXSibley64 min
Jun 11, 4:42 PM CDTTornado WarningMPXFaribault33 min
Jun 11, 4:50 PM CDTTornado WarningMPXBlue Earth40 min
Jun 11, 5:06 PM CDTTornado WarningMPXWaseca39 min
Jun 11, 5:16 PM CDTSevere Thunderstorm WarningMPXWright59 min
Jun 11, 5:26 PM CDTSevere Thunderstorm WarningMPXNicollet49 min
Jun 11, 5:40 PM CDTTornado WarningMPXFreeborn, Steele35 min
Jun 11, 5:46 PM CDTSevere Thunderstorm WarningMPXWaseca44 min
Jun 11, 6:09 PM CDTSevere Thunderstorm WarningMPXRice51 min
Jun 11, 6:24 PM CDTSevere Thunderstorm WarningMPXGoodhue51 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.