Alert archive / South Dakota / Tornado Warnings in 2008

Tornado Warning 21, NWS Sioux Falls, SD

June 5, 2008Lake County, Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 5, 2008, 8:13 PM CDT for Lake County, Minnehaha County, South Dakota. It was in force for 32 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: Jun 5, 2008, 8:13 PM CDT (01:13 UTC)
Expired: Jun 5, 2008, 8:45 PM CDT
In force: 32 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon

Counties Lake County, SD, Minnehaha County, SD

The radar

The Sioux Falls radar (KFSD), 26 km from the middle of the area, began a volume at 01:12 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

Time	Report	Where	Remark
Jun 5, 8:15 PM CDT	TORNADO	2 S Humboldt, SD	TRAIN SPOTTERS REPORTED A TORNADO ON THE GROUND 2 MILES SOUTH OF HUMBOLDT
Jun 5, 8:15 PM CDT	TORNADO	2 Sw Humboldt, SD	TORNADO ON THE GROUND

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.

Issued	Product	Office	Lasted
Jun 5, 5:50 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 176 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: 21 J/kg
Mixed-layer CIN: -291 J/kg
Mixed-layer LCL: 522 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 060113
TORFSD
SDC079-099-060145-
/O.NEW.KFSD.TO.W.0021.080606T0113Z-080606T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
813 PM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTH CENTRAL LAKE COUNTY IN EAST CENTRAL SOUTH DAKOTA
  WESTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 845 PM CDT

* AT 813 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
  HUMBOLDT...OR 11 MILES NORTH OF PARKER...MOVING NORTH AT 43 MPH.

* THE TORNADO WILL BE NEAR...
   HUMBOLDT AROUND 820 PM CDT...
   COLTON AROUND 835 PM CDT...

THIS DOES NOT INCLUDE THE CITY OF SIOUX FALLS.

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FRIDAY MORNING FOR
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4383 9690 4356 9704 4356 9705 4350 9707
      4351 9712 4358 9713 4385 9710
TIME...MOT...LOC 0113Z 196DEG 37KT 4357 9710

$$

CJ

1 follow-up statement

000 
WWUS53 KFSD 060119
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
820 PM CDT THU JUN 5 2008

SDC079-099-060145-
/O.CON.KFSD.TO.W.0021.000000T0000Z-080606T0145Z/
LAKE SD-MINNEHAHA SD-
820 PM CDT THU JUN 5 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR WESTERN
MINNEHAHA AND EXTREME SOUTH CENTRAL LAKE COUNTIES...

AT 820 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED 2 MILES SOUTHEAST OF HUMBOLDT...OR 15 MILES NORTH
OF PARKER...MOVING NORTHEAST AT 43 MPH.

THE TORNADO WILL BE NEAR...
   COLTON AROUND 835 PM CDT...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FRIDAY MORNING FOR
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4383 9690 4356 9704 4356 9705 4350 9707
      4351 9712 4358 9713 4385 9710
TIME...MOT...LOC 0120Z 211DEG 37KT 4362 9701

$$

CJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 7:01 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Hutchinson, Yankton	44 min
Jun 5, 7:12 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Miner, Minnehaha	34 min
Jun 5, 7:32 PM CDT	Areal Flood Warning	FSD	Aurora, Beadle, Bon Homme, Charles Mix, Clay, Davison and 14 more	12 hr
Jun 5, 7:53 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha, Turner	37 min
Jun 5, 8:22 PM CDT	Tornado Warning	FSD	Lincoln, Minnehaha, Turner	23 min
Jun 5, 8:28 PM CDT	Tornado Warning	FSD	Lake, Minnehaha, Moody	32 min
Jun 5, 8:40 PM CDT	Tornado Warning	FSD	Minnehaha, Moody	20 min
Jun 5, 8:56 PM CDT	Tornado Warning	FSD	Moody	34 min
Jun 6, 6:40 AM CDT	River Flood Warning	FSD	McCook	5 days
Jun 6, 6:45 AM CDT	River Flood Warning	FSD	Davison, Hanson	3 hr
Jun 6, 11:02 AM CDT	Areal Flood Warning	FSD	Bon Homme, Charles Mix, Douglas, Hanson, Hutchinson, McCook	24 hr
Jun 6, 4:34 PM CDT	River Flood Warning	FSD	Davison	4 days

Nearby

Tornado Warnings in South Dakota, 2008 Every tornado warning in 2008 Tornadoes 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.