Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 33, NWS Twin Cities, MN

May 23, 2006Stevens County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 2006, 7:44 PM CDT for Stevens County, Swift County, Minnesota. It was in force for 61 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
May 23, 2006, 7:44 PM CDT (00:44 UTC)
Expired
May 23, 2006, 8:45 PM CDT
In force
61 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Stevens County, MN, Swift County, MN

The radar

The Aberdeen radar (KABR), 187 km from the middle of the area, began a volume at 00:45 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
May 23, 6:40 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.7 hours before the alert went out and 199 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, Aberdeen, SD at 00:00Z on 2006-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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, Aberdeen, SD at 00:00Z on 2006-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
6 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
8 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 240045
SVRMPX
MNC149-151-240145-
/O.NEW.KMPX.SV.W.0033.060524T0044Z-060524T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
744 PM CDT TUE MAY 23 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 845 PM CDT

* AT 741 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 18 MILES SOUTHWEST OF MORRIS...AND MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MORRIS...
  ALBERTA...
  DONNELLY...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4534 9611 4534 9595 4575 9577 4575 9611

$$
2 follow-up statements
000 
WWUS53 KMPX 240100
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
757 PM CDT TUE MAY 23 2006

MNC149-151-240145-
/O.CON.KMPX.SV.W.0033.000000T0000Z-060524T0145Z/
STEVENS MN-SWIFT MN-
757 PM CDT TUE MAY 23 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SWIFT AND STEVENS COUNTIES...

AT 754 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THIS STORM WAS LOCATED 6 MILES SOUTH OF ALBERTA...AND MOVING NORTH 
AT 35 MPH.

OTHER SEVERE THUNDERSTORMS WERE INDICATED BY DOPPLER RADAR 2 MILES 
NORTHWEST OF APPLETON AND 5 MILES WEST OF DONNELLY. THESE STORMS 
WERE ALSO MOVING NORTH AT 35 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS AND DONNELLY.

LAT...LON 4534 9611 4534 9595 4575 9577 4575 9620

$$
000 
WWUS53 KMPX 240126
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
825 PM CDT TUE MAY 23 2006

MNC149-151-240145-
/O.CON.KMPX.SV.W.0033.000000T0000Z-060524T0145Z/
STEVENS MN-SWIFT MN-
825 PM CDT TUE MAY 23 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SWIFT AND STEVENS COUNTIES...

AT 823 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
THIS STORM WAS LOCATED 10 MILES SOUTH OF ALBERTA...OR ABOUT 13 MILES
SOUTHWEST OF MORRIS...AND MOVING NORTH AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS AND DONNELLY.

LAT...LON 4534 9611 4534 9595 4575 9577 4575 9620

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:43 PM CDTSevere Thunderstorm WarningMPXStevens41 min
May 23, 10:34 PM CDTFlash Flood WarningMPXStevens4 hr

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.