Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 3, NWS Twin Cities, MN

April 6, 2006Carver County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 6, 2006, 4:20 PM CDT for Carver County, Minnesota. It was in force for 40 min. 1 report 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
Apr 6, 2006, 4:20 PM CDT (21:20 UTC)
Expired
Apr 6, 2006, 5:00 PM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Carver County, MN

The radar

The Minneapolis radar (KMPX), 29 km from the middle of the area, began a volume at 21:20 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
Apr 6, 4:22 PM CDTHAIL 0.75Norwood/Young America, MNINTERSECTION OF HIGHWAY 5 AND 33.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.3 hours before the alert went out and 26 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 2006-04-06Temperature 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 12:00Z on 2006-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
988 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
92 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.

000 
WUUS53 KMPX 062120
SVRMPX
MNC019-062200-
/O.NEW.KMPX.SV.W.0003.060406T2120Z-060406T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 PM CDT THU APR 6 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 500 PM CDT

* AT 415 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED NEAR
  NORWOOD/YOUNG AMERICA...OR ABOUT 23 MILES SOUTHWEST OF EXCELSIOR...
  AND MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NORWOOD/YOUNG AMERICA...
  NEW GERMANY...
  MAYER...
  WATERTOWN...

HAIL UP TO THE SIZE OF A GOLFBALL HAS BEEN REPORTED IN HAMBURG WITH 
THIS STORM.

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 4473 9401 4472 9383 4497 9378 4497 9401

$$
RAH/LS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 3:26 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville34 min
Apr 6, 4:01 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle44 min
Apr 6, 4:26 PM CDTSevere Thunderstorm WarningMPXMcLeod64 min
Apr 6, 4:37 PM CDTSevere Thunderstorm WarningMPXScott, Sibley23 min
Apr 6, 5:01 PM CDTSevere Thunderstorm WarningMPXCarver59 min
Apr 6, 6:24 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey62 min
Apr 6, 6:37 PM CDTFlash Flood WarningMPXHennepin, Ramsey113 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006Every severe thunderstorm warning in 2006

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.