Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 7, NWS Twin Cities, MN

April 6, 2006Dakota County, Hennepin County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 6, 2006, 6:24 PM CDT for Dakota County, Hennepin County, Ramsey County, Minnesota. It was in force for 62 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
Apr 6, 2006, 6:24 PM CDT (23:24 UTC)
Expired
Apr 6, 2006, 7:26 PM CDT
In force
62 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), 31 km from the middle of the area, began a volume at 23:24 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, 6:45 PM CDTHAIL 1St Paul, MN
Apr 6, 6:49 PM CDTHAIL 0.75Minneapolis, MN
Apr 6, 6:53 PM CDTHAIL 0.88St Paul, MN
Apr 6, 7:24 PM CDTHAIL 0.75St Paul, MN

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, 11.4 hours before the alert went out and 34 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°0°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 062326
SVRMPX
MNC037-053-123-070030-
/O.NEW.KMPX.SV.W.0007.060406T2324Z-060407T0030Z/

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

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 730 PM CDT

* AT 620 PM CDT...TRAINED SPOTTERS REPORTED A SEVERE THUNDERSTORM
  WITH LARGE HAIL. THIS STORM WAS LOCATED NEAR BLOOMINGTON...OR ABOUT
  OVER BURNSVILLE...AND MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MINNEAPOLIS...
  ST PAUL...
  ROSEVILLE...
  MAPLEWOOD...
  MENDOTA HEIGHTS...

HAIL TO PENNY SIZE WAS REPORTED IN BLOOMINGTON AT 622 PM 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 4484 9341 4512 9310 4512 9299 4490 9299
      4490 9302 4486 9304 4485 9309 4484 9313
      4482 9323 4479 9332 4479 9336

$$

LS/RAH
3 follow-up statements
000 
WWUS53 KMPX 062349
SVSMPX

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

MNC037-053-123-070030-
/O.CON.KMPX.SV.W.0007.000000T0000Z-060407T0030Z/
HENNEPIN MN-RAMSEY MN-DAKOTA MN-
648 PM CDT THU APR 6 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR DAKOTA...RAMSEY AND HENNEPIN COUNTIES...

AT 646 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS 
LOCATED NEAR LILYDALE...OR ABOUT OVER ST PAUL...AND MOVING NORTHEAST 
AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUNFISH...MENDOTA...
LAUDERDALE...GEM LAKE...WHITE BEAR LAKE...WEST ST PAUL...VADNAIS
HEIGHTS...ST PAUL...SOUTH ST PAUL...ROSEVILLE...RICHFIELD...NORTH ST
PAUL...NORTH OAKS...MINNEAPOLIS...MENDOTA HEIGHTS...MAPLEWOOD...
LITTLE CANADA...FALCON HEIGHTS AND BLOOMINGTON.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4484 9341 4512 9310 4512 9299 4490 9299
      4490 9302 4486 9304 4485 9309 4484 9313
      4482 9323 4479 9332 4479 9337

$$

LS/RAH
000 
WWUS53 KMPX 070003
SVSMPX

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

MNC037-053-123-070030-
/O.CON.KMPX.SV.W.0007.000000T0000Z-060407T0030Z/
HENNEPIN MN-RAMSEY MN-DAKOTA MN-
700 PM CDT THU APR 6 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR DAKOTA...RAMSEY AND HENNEPIN COUNTIES...

AT 645 PM CDT...ONE INCH HAIL WAS REPORTED IN ST PAUL. 

AT 649 PM CDT...THREE-QUARTER INCH HAIL WAS REPORTED IN MINNEAPOLIS. 

DOPPLER RADAR AT 700 PM INDICATED A SEVERE THUNDERSTORM NEAR ST 
PAUL...AND MOVING NORTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUNFISH...MENDOTA...
LILYDALE...LAUDERDALE...GEM LAKE...WHITE BEAR LAKE...WEST ST PAUL...
VADNAIS HEIGHTS...SOUTH ST PAUL...ROSEVILLE...RICHFIELD...NORTH ST
PAUL...NORTH OAKS...MINNEAPOLIS...MENDOTA HEIGHTS...MAPLEWOOD...
LITTLE CANADA...FALCON HEIGHTS AND BLOOMINGTON.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL AND TORRENTIAL 
RAINFALL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS

LAT...LON 4484 9341 4512 9310 4512 9299 4490 9299
      4490 9302 4486 9304 4485 9309 4484 9313
      4482 9323 4479 9332 4479 9337

$$

LS/RAH
000 
WWUS53 KMPX 070026
SVSMPX

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

MNC037-053-123-070035-
/O.CAN.KMPX.SV.W.0007.000000T0000Z-060407T0030Z/
HENNEPIN MN-RAMSEY MN-DAKOTA MN-
725 PM CDT THU APR 6 2006

...THE SEVERE THUNDERSTORM WARNING FOR DAKOTA...RAMSEY AND HENNEPIN
COUNTIES IS CANCELLED...

RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS.
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4484 9341 4512 9310 4512 9299 4490 9299
      4490 9302 4486 9304 4485 9309 4484 9313
      4482 9323 4479 9332 4479 9337

$$

LS/RAH

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, 4:20 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, 6:37 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.