Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 8, NWS Twin Cities, MN

April 5, 2005Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 5, 2005, 7:47 PM CDT for Swift County, Minnesota. It was in force for 59 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 5, 2005, 7:47 PM CDT (00:47 UTC)
Expired: Apr 5, 2005, 8:46 PM CDT
In force: 59 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Swift County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.8 hours before the alert went out and 170 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: 1022 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1015 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 060047
SVRMPX
MNC151-060145-
/O.NEW.KMPX.SV.W.0008.050406T0047Z-050406T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
747 PM CDT TUE APR 5 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 845 PM CDT

* AT 742 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 7 MILES
  SOUTHWEST OF BENSON...AND MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BENSON.
  DANVERS.
  DE GRAFF.
 
LAT...LON 4533 9590 4516 9581 4520 9535 4540 9543

$$

JPR

3 follow-up statements

000 
WWUS53 KMPX 060107
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
807 PM CDT TUE APR 5 2005

MNC151-060145-
/O.CON.KMPX.SV.W.0008.000000T0000Z-050406T0145Z/
SWIFT MN-
807 PM CDT TUE APR 5 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 845 PM CDT FOR
CENTRAL SWIFT COUNTY...

AT 802 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL...AND THIS STORM WAS
LOCATED NEAR DANVERS...OR ABOUT OVER BENSON...MOVING EAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BIG BAND CITY...MURDOCK AND DE
GRAFF.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4533 9590 4516 9581 4520 9535 4540 9543

$$
JPR

000 
WWUS53 KMPX 060126
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
824 PM CDT TUE APR 5 2005

MNC151-060145-
/O.CON.KMPX.SV.W.0008.000000T0000Z-050406T0145Z/
SWIFT MN-
824 PM CDT TUE APR 5 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 845 PM CDT FOR 
SWIFT COUNTY...

AT 815 PM CDT...THE PUBLIC REPORTED THAT PEA SIZE HAIL HAD 
ACCUMULATED TO A DEPTH OF 2 INCHES...ON HIGHWAY 12...ABOUT 4 MILES 
WEST SOUTHWEST OF BENSON MINNESOTA. 

THE THUNDERSTORM PRODUCING THE HAIL WAS DRIFTING SLOWLY TOWARD THE 
EAST.

LAT...LON 4533 9590 4516 9581 4520 9535 4540 9543

$$
RJN

000 
WWUS53 KMPX 060146
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
845 PM CDT TUE APR 5 2005

MNC151-060155-
/O.EXP.KMPX.SV.W.0008.000000T0000Z-050406T0145Z/
SWIFT MN-
845 PM CDT TUE APR 5 2005

...THE SEVERE THUNDERSTORM WARNING FOR SWIFT COUNTY EXPIRED AT 845 
PM CDT...

AT 843 PM CDT...SPOTTERS REPORTED DIME SIZE HAIL AT BENSON MINNESOTA.

AS THE THUNDERSTORMS MOVES SLOWLY TO THE EAST OF BENSON...A LOT OF 
PEA SIZE HAIL...ALONG WITH HEAVY RAIN...CAN BE EXPECTED.

LAT...LON 4533 9590 4516 9581 4520 9535 4540 9543

$$
NAISTAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 7:38 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	67 min
Apr 5, 8:49 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns	56 min
Apr 5, 8:58 PM CDT	Severe Thunderstorm Warning	MPX	Swift	62 min
Apr 6, 12:24 AM CDT	Severe Thunderstorm Warning	MPX	Isanti	36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005 Every severe thunderstorm warning in 2005

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.