Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 264, NWS Twin Cities, MN

October 4, 2006Blue Earth County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 4, 2006, 1:49 AM CDT for Blue Earth County, Watonwan County, Minnesota. It was in force for 41 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: Oct 4, 2006, 1:49 AM CDT (06:49 UTC)
Expired: Oct 4, 2006, 2:30 AM CDT
In force: 41 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Blue Earth County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 114 km from the middle of the area, began a volume at 06:49 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 00:00Z, 6.8 hours before the alert went out and 113 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: 746 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 530 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 23.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 040650
SVRMPX
MNC013-165-040730-
/O.NEW.KMPX.SV.W.0264.061004T0649Z-061004T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
149 AM CDT WED OCT 4 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 230 AM CDT

* AT 144 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING LARGE HAIL TO THE SIZE OF NICKELS.  THIS      
  STORM WAS LOCATED 27 MILES WEST OF MAPLETON...OR ABOUT 8 MILES     
  SOUTHEAST OF ST JAMES...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAPLETON...
  GOOD THUNDER...
  LEWISVILLE...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4402 9455 4384 9456 4386 9383 4404 9383

$$

KAT

3 follow-up statements

000 
WWUS53 KMPX 040702
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
202 AM CDT WED OCT 4 2006

MNC013-165-040730-
/O.CON.KMPX.SV.W.0264.000000T0000Z-061004T0730Z/
BLUE EARTH MN-WATONWAN MN-
202 AM CDT WED OCT 4 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR WATONWAN AND BLUE EARTH COUNTIES...

AT 157 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS STORM
WAS LOCATED 8 MILES WEST OF AMBOY...OR ABOUT 16 MILES EAST OF 
SAINT JAMES...AND MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MAPLETON AND AMBOY.

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

LAT...LON 4401 9439 4386 9442 4386 9383 4404 9383

$$

KAT

000 
WWUS53 KMPX 040718
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
216 AM CDT WED OCT 4 2006

MNC165-040726-
/O.CAN.KMPX.SV.W.0264.000000T0000Z-061004T0730Z/
WATONWAN MN-
216 AM CDT WED OCT 4 2006

...THE SEVERE THUNDERSTORM WARNING FOR WATONWAN COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED OUT OF WATONWAN COUNTY INTO BLUE 
EARTH COUNTY.

LAT...LON 4403 9430 4388 9427 4386 9383 4404 9383

$$

MNC013-040730-
/O.CON.KMPX.SV.W.0264.000000T0000Z-061004T0730Z/
BLUE EARTH MN-
216 AM CDT WED OCT 4 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR BLUE EARTH COUNTY...

AT 210 AM CDT A SEVERE THUNDERSTORM WAS NEAR AMBOY IN BLUE EARTH 
COUNTY.  IT WILL REACH THE MAPLETON AREA BY 230 AM.  THIS STORM COULD
PRODUCE GOLF BALL SIZE HAIL. THIS WARNING MAY NEED TO BE EXTENDED 
PAST 230 AM IF IT MAINTAINS ITS PRESENT STRENGTH.

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 4403 9430 4388 9427 4386 9383 4404 9383

$$

BAP

000 
WWUS53 KMPX 040730
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
228 AM CDT WED OCT 4 2006

MNC013-040738-
/O.EXP.KMPX.SV.W.0264.000000T0000Z-061004T0730Z/
BLUE EARTH MN-
228 AM CDT WED OCT 4 2006

...THE SEVERE THUNDERSTORM WARNING FOR BLUE EARTH COUNTY EXPIRES AT
230 AM CDT...

SEVERE STORMS HAVE DECREASED IN INTENSITY. HOWEVER...REMAIN ALERT 
FOR POSSIBLE ADDITIONAL WARNINGS IF THE STORMS REINCREASE IN 
INTENSITY. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR 
RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4403 9430 4388 9427 4386 9383 4404 9383

$$

KAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 3, 10:04 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin	26 min
Oct 3, 10:33 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur	27 min
Oct 3, 10:44 PM CDT	Severe Thunderstorm Warning	MPX	Scott	46 min
Oct 3, 10:49 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Sherburne, Wright	56 min
Oct 3, 11:10 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	50 min
Oct 3, 11:29 PM CDT	Severe Thunderstorm Warning	MPX	Scott	34 min
Oct 3, 11:32 PM CDT	Severe Thunderstorm Warning	MPX	Washington	28 min
Oct 3, 11:59 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	46 min
Oct 4, 12:17 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	58 min
Oct 4, 1:26 AM CDT	Severe Thunderstorm Warning	MPX	Martin	49 min
Oct 4, 2:00 AM CDT	Severe Thunderstorm Warning	MPX	Faribault	60 min
Oct 4, 2:35 AM CDT	Severe Thunderstorm Warning	MPX	Steele, Waseca	37 min
Oct 4, 2:43 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn	62 min
Oct 4, 2:29 PM CDT	Frost Advisory	MPX	Anoka, Benton, Chisago, Douglas, Isanti, Kanabec and 12 more	15 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006 Every 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.