Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 56, NWS Sioux Falls, SD

August 13, 2008Murray County, Pipestone County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Aug 13, 2008, 4:23 PM CDT for Murray County, Pipestone County, Minnesota. It was in force for 37 min. 2 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, 4:23 PM CDT (21:23 UTC)
Expired
Aug 13, 2008, 5:00 PM CDT
In force
37 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon

Counties Murray County, MN, Pipestone County, MN

The radar

The Sioux Falls radar (KFSD), 70 km from the middle of the area, began a volume at 21:22 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, 4:45 PM CDTHAIL 1.752 Se Woodstock, MN
Aug 13, 4:50 PM CDTHAIL 0.7512 E Pipestone, MN

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 202 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 12:00Z on 2008-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1153 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 12:00Z on 2008-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
1153 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 132123
TORFSD
MNC101-117-132200-
/O.NEW.KFSD.TO.W.0056.080813T2123Z-080813T2200Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME WEST CENTRAL MURRAY COUNTY IN SOUTHWEST MINNESOTA
  NORTHEASTERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 500 PM CDT

* AT 423 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES NORTH OF
  HOLLAND...OR 12 MILES NORTHEAST OF PIPESTONE...MOVING SOUTHEAST AT
  20 MPH.

* THE TORNADO WILL BE NEAR...
   HOLLAND AROUND 430 PM CDT...
   WOODSTOCK AROUND 455 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 4398 9605 4396 9618 4419 9635 4419 9609
TIME...MOT...LOC 2123Z 320DEG 17KT 4414 9619

$$
BT
2 follow-up statements
000 
WWUS53 KFSD 132137
SVSFSD

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

MNC101-117-132200-
/O.CON.KFSD.TO.W.0056.000000T0000Z-080813T2200Z/
PIPESTONE MN-MURRAY MN-
437 PM CDT WED AUG 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR EXTREME
WEST CENTRAL MURRAY AND NORTHEASTERN PIPESTONE COUNTIES...

AT 437 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HOLLAND...OR 9
MILES NORTHEAST OF PIPESTONE...MOVING SOUTH AT 23 MPH.

THE TORNADO WILL BE NEAR...
   WOODSTOCK AROUND 450 PM CDT...

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

LAT...LON 4398 9605 4396 9618 4419 9635 4419 9609
TIME...MOT...LOC 2137Z 344DEG 20KT 4405 9617

$$
BT
000 
WWUS53 KFSD 132150
SVSFSD

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

MNC101-117-132200-
/O.CON.KFSD.TO.W.0056.000000T0000Z-080813T2200Z/
PIPESTONE MN-MURRAY MN-
450 PM CDT WED AUG 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR EXTREME
WEST CENTRAL MURRAY AND NORTHEASTERN PIPESTONE COUNTIES...

AT 450 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WOODSTOCK...OR 8
MILES EAST OF PIPESTONE...MOVING SOUTH AT 23 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HALF 
DOLLAR SIZED 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 4398 9605 4396 9618 4419 9635 4419 9609
TIME...MOT...LOC 2150Z 344DEG 20KT 4398 9614

$$
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, 4:56 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, 6:05 PM CDTTornado WarningFSDJackson25 min
Aug 13, 6:12 PM CDTSevere Thunderstorm WarningFSDNobles48 min

Nearby

Tornado Warnings in Minnesota, 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.