Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 161, NWS Twin Cities, MN

August 23, 2006Benton County, Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 2006, 2:32 AM CDT for Benton County, Sherburne County, Wright County, Minnesota. It was in force for 58 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
Aug 23, 2006, 2:32 AM CDT (07:32 UTC)
Expired
Aug 23, 2006, 3:30 AM CDT
In force
58 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Benton County, MN, Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 72 km from the middle of the area, began a volume at 07:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 22, 10:16 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.5 hours before the alert went out and 70 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 00:00Z on 2006-08-23Temperature 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 00:00Z on 2006-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1984 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 230735
SVRMPX
MNC009-141-171-230830-
/O.NEW.KMPX.SV.W.0161.060823T0732Z-060823T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
232 AM CDT WED AUG 23 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA...
  SHERBURNE COUNTY IN CENTRAL MINNESOTA...
  WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 330 AM CDT

* AT 226 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65
  MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM FOLEY  
  TO 22 MILES SOUTHWEST OF SAUK RAPIDS...AND MOVING SOUTHEAST AT 55  
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUFFALO...
  FOLEY...
  ELK RIVER...
  SAUK RAPIDS...
  ANNANDALE...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4535 9409 4543 9404 4545 9408 4563 9420
      4566 9420 4575 9405 4559 9377 4557 9377
      4544 9360 4519 9367 4510 9397 4510 9401
      4527 9426

$$
2 follow-up statements
000 
WWUS53 KMPX 230756
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
255 AM CDT WED AUG 23 2006

MNC009-230805-
/O.CAN.KMPX.SV.W.0161.000000T0000Z-060823T0830Z/
BENTON MN-
255 AM CDT WED AUG 23 2006

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

THUNDERSTORMS HAVE MOVED EAST OF THE COUNTY. 

LAT...LON 4535 9409 4557 9377 4554 9352 4526 9352
      4519 9367 4510 9397 4510 9401 4527 9426

$$

MNC141-171-230830-
/O.CON.KMPX.SV.W.0161.000000T0000Z-060823T0830Z/
SHERBURNE MN-WRIGHT MN-
255 AM CDT WED AUG 23 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR WRIGHT AND SHERBURNE COUNTIES...

AT 253 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65
MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES
NORTH OF ZIMMERMAN TO 6 MILES WEST OF ANNANDALE...AND MOVING
SOUTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ELK RIVER AND BUFFALO.

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 4535 9409 4557 9377 4554 9352 4526 9352
      4519 9367 4510 9397 4510 9401 4527 9426

$$
000 
WWUS53 KMPX 230830
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
329 AM CDT WED AUG 23 2006

MNC141-171-230839-
/O.EXP.KMPX.SV.W.0161.000000T0000Z-060823T0830Z/
SHERBURNE MN-WRIGHT MN-
329 AM CDT WED AUG 23 2006

...THE SEVERE THUNDERSTORM WARNING FOR WRIGHT AND SHERBURNE COUNTIES
EXPIRES AT 330 AM CDT...

SEVERE STORMS HAVE MOVED OUT OF THE AREA AND ADDITIONAL DEVELOPMENT
IS NOT EXPECTED.

REPORT ANY SEVERE WEATHER DAMAGE TO YOUR LOCAL LAW ENFORCEMENT 
AGENCY AND HAVE THEM RELAY THE INFORMATION TO THE NATIONAL WEATHER 
SERVICE.

LAT...LON 4535 9409 4557 9377 4554 9352 4526 9352
      4519 9367 4510 9397 4510 9401 4527 9426

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 2:07 AM CDTSevere Thunderstorm WarningMPXStearns38 min
Aug 23, 2:40 AM CDTSevere Thunderstorm WarningMPXChisago, Isanti50 min
Aug 23, 2:46 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift59 min
Aug 23, 3:09 AM CDTSevere Thunderstorm WarningMPXAnoka36 min
Aug 23, 3:25 AM CDTSevere Thunderstorm WarningMPXChisago35 min
Aug 23, 4:13 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Renville23 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.