Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 1, NWS Twin Cities, MN

April 6, 2006McLeod County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 6, 2006, 3:26 PM CDT for McLeod County, Renville County, Minnesota. It was in force for 34 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 6, 2006, 3:26 PM CDT (20:26 UTC)
Expired
Apr 6, 2006, 4:00 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties McLeod County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 80 km from the middle of the area, began a volume at 20:28 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, 8.4 hours before the alert went out and 77 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 062027
SVRMPX
MNC085-129-062100-
/O.NEW.KMPX.SV.W.0001.060406T2026Z-060406T2100Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  RENVILLE COUNTY IN CENTRAL MINNESOTA

* UNTIL 400 PM CDT

* AT 320 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED NEAR
  STEWART...OR ABOUT 14 MILES SOUTHWEST OF HUTCHINSON...AND MOVING
  NORTH AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAKESIDE...
  BUFFALO LAKE...

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 4471 9465 4472 9446 4489 9447 4489 9466

$$
RAH/LS
1 follow-up statement
000 
WWUS53 KMPX 062043
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
342 PM CDT THU APR 6 2006

MNC085-129-062100-
/O.CON.KMPX.SV.W.0001.000000T0000Z-060406T2100Z/
MCLEOD MN-RENVILLE MN-
342 PM CDT THU APR 6 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR RENVILLE AND MCLEOD COUNTIES...

AT 329 PM CDT...HAIL UP TO THREE QUARTERS OF AN INCH IN DIAMETER WAS 
REPORTED 5 MILES NORTHWEST OF RENVILLE WITH THIS STORM.

AT 337 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL...AND THIS STORM WAS
LOCATED NEAR STEWART...OR ABOUT 8 MILES SOUTHWEST OF HUTCHINSON...AND
MOVING NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE LAKESIDE AND BUFFALO LAKE.

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 4471 9465 4472 9446 4489 9447 4489 9466

$$
RAH/LS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 4:01 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle44 min
Apr 6, 4:20 PM CDTSevere Thunderstorm WarningMPXCarver40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.