Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 57, NWS Sioux Falls, SD

August 13, 2008Jackson County, Minnesota; Dickinson County, Iowa

NWS Sioux Falls, SD issued this tornado warning at Aug 13, 2008, 6:05 PM CDT for Jackson County, Minnesota; Dickinson County, Iowa. It was in force for 25 min. 6 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
Aug 13, 2008, 6:05 PM CDT (23:05 UTC)
Expired
Aug 13, 2008, 6:30 PM CDT
In force
25 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon

Counties Dickinson County, IA, Jackson County, MN

The radar

The Sioux Falls radar (KFSD), 127 km from the middle of the area, began a volume at 23:08 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
Aug 13, 6:08 PM CDTTSTM WND DMG2 Ne Lake Park, IAHALF OF A HOG BARN DESTROYED
Aug 13, 6:08 PM CDTTORNADO2 Ne Lake Park, IABRIEF F0 TORNADO CAUSED DAMAGE TO A FEW OUT BUILDINGS.
Aug 13, 6:17 PM CDTTSTM WND GST 60Lake Park, IA
Aug 13, 6:17 PM CDTHAIL 1.75Lake Park, IA
Aug 13, 6:21 PM CDTHAIL 2Lake Park, IA
Aug 13, 6:33 PM CDTHAIL 12 Sw Wahpeton, IA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 13, 4:45 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 200 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 2008-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 178 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, Minneapolis, MN at 12:00Z on 2008-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
178 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
138 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 
WFUS53 KFSD 132305
TORFSD
IAC059-MNC063-132330-
/O.NEW.KFSD.TO.W.0057.080813T2305Z-080813T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
605 PM CDT WED AUG 13 2008

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  DICKINSON COUNTY IN NORTHWEST IOWA
  SOUTH CENTRAL JACKSON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 630 PM CDT

* AT 605 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTH OF
  LAKE PARK...OR 11 MILES NORTHWEST OF SPIRIT LAKE...MOVING SOUTHEAST
  AT 18 MPH.

* THE TORNADO WILL BE NEAR...
   LAKE PARK AROUND 610 PM CDT...
   WAHPETON...WEST OKOBOJI...OKOBOJI...ARNOLDS PARK AROUND 630 PM
   CDT...

IN ADDITION TO THE THREAT OF A TORNADO...DAMAGING HAIL AND STRONG
WINDS CAN BE EXPECTED. GO TO A SAFE PLACE NOW.

LAT...LON 4332 9499 4327 9538 4366 9539 4366 9511
TIME...MOT...LOC 2305Z 329DEG 16KT 4349 9531

$$

BT
3 follow-up statements
000 
WWUS53 KFSD 132314
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
614 PM CDT WED AUG 13 2008

IAC059-MNC063-132330-
/O.CON.KFSD.TO.W.0057.000000T0000Z-080813T2330Z/
DICKINSON IA-JACKSON MN-
614 PM CDT WED AUG 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH
CENTRAL JACKSON AND DICKINSON COUNTIES...

AT 614 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LAKE PARK...OR 10
MILES WEST OF SPIRIT LAKE...MOVING SOUTHEAST AT 18 MPH.

THE TORNADO WILL BE NEAR...
   WAHPETON...WEST OKOBOJI...OKOBOJI...ARNOLDS PARK AROUND 630 PM
   CDT...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.

TAKE COVER NOW. THIS TORNADO IS WRAPPED IN RAIN. IF YOU WAIT TO SEE
OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4332 9499 4327 9538 4366 9539 4366 9511
TIME...MOT...LOC 2314Z 329DEG 16KT 4346 9528

$$
BT
000 
WWUS53 KFSD 132317
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
617 PM CDT WED AUG 13 2008

IAC059-MNC063-132330-
/O.CON.KFSD.TO.W.0057.000000T0000Z-080813T2330Z/
DICKINSON IA-JACKSON MN-
617 PM CDT WED AUG 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH
CENTRAL JACKSON AND DICKINSON COUNTIES...

AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES EAST OF LAKE
PARK...OR 7 MILES WEST OF SPIRIT LAKE...MOVING SOUTHEAST AT 23 MPH.

THE TORNADO WILL BE NEAR...
   WAHPETON...SPIRIT LAKE...ORLEANS AROUND 625 PM CDT...
   OKOBOJI...ARNOLDS PARK...WEST OKOBOJI...MILFORD AROUND 630 PM
   CDT...

AT 607 PM...A MEMBER OF THE PUBLIC REPORTED QUARTER SIZED HAIL IN 
THE TOWN OF LAKE PARK.

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE 
COVER NOW

TAKE COVER NOW. THIS TORNADO IS WRAPPED IN RAIN. IF YOU WAIT TO SEE
OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4332 9499 4327 9538 4366 9539 4366 9511
TIME...MOT...LOC 2317Z 319DEG 20KT 4343 9523

$$
BT
000 
WWUS53 KFSD 132322
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
622 PM CDT WED AUG 13 2008

IAC059-MNC063-132330-
/O.CON.KFSD.TO.W.0057.000000T0000Z-080813T2330Z/
DICKINSON IA-JACKSON MN-
620 PM CDT WED AUG 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH
CENTRAL JACKSON AND DICKINSON COUNTIES...

AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WAHPETON...OR NEAR
SPIRIT LAKE...MOVING SOUTHEAST AT 44 MPH.

THE TORNADO WILL BE NEAR...
   MILFORD...WEST OKOBOJI...ARNOLDS PARK AROUND 625 PM CDT...

AT 620 PM...A TRAINED SPOTTER REPORTED GOLFBALL SIZED HAIL AND 60 
MPH IN LAKE PARK. 

AT 617 PM...A CO-OP OBSERVER REPORTED FUNNEL CLOUDS THREE TO FOUR 
MILES WEST OF HIGHWAY 9 AND HIGHWAY 86. 

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.

TAKE COVER NOW. THIS TORNADO IS WRAPPED IN RAIN. IF YOU WAIT TO SEE
OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4332 9499 4327 9538 4366 9539 4366 9511
TIME...MOT...LOC 2320Z 334DEG 38KT 4338 9520

$$
BT

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 3:00 PM CDTSevere Thunderstorm WarningFSDLyon45 min
Aug 13, 3:46 PM CDTTornado WarningFSDLyon29 min
Aug 13, 3:49 PM CDTSevere Thunderstorm WarningFSDLincoln, Lyon, Murray, Pipestone26 min
Aug 13, 3:55 PM CDTSevere Thunderstorm WarningFSDLincoln, Lyon35 min
Aug 13, 4:14 PM CDTTornado WarningFSDLyon, Murray46 min
Aug 13, 4:18 PM CDTSevere Thunderstorm WarningFSDCottonwood42 min
Aug 13, 4:23 PM CDTTornado WarningFSDMurray, Pipestone37 min
Aug 13, 4:56 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson, Murray, Nobles, Pipestone, Rock49 min
Aug 13, 5:06 PM CDTSevere Thunderstorm WarningFSDJackson39 min
Aug 13, 5:33 PM CDTSevere Thunderstorm WarningFSDNobles, Rock42 min
Aug 13, 5:46 PM CDTSevere Thunderstorm WarningFSDJackson44 min
Aug 13, 6:12 PM CDTSevere Thunderstorm WarningFSDNobles48 min
Aug 13, 6:28 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson32 min
Aug 13, 6:52 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson, O'Brien38 min

Nearby

Tornado Warnings in Minnesota, 2008Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008

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.