Alert archive / South Dakota / Tornado Warnings in 2007

Tornado Warning 32, NWS Sioux Falls, SD

May 5, 2007Hanson County, McCook County, Miner County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at May 5, 2007, 7:26 PM CDT for Hanson County, McCook County, Miner County, South Dakota. It was in force for 34 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
May 5, 2007, 7:26 PM CDT (00:26 UTC)
Expired
May 5, 2007, 8:00 PM CDT
In force
34 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

Counties Hanson County, SD, McCook County, SD, Miner County, SD

The radar

The Sioux Falls radar (KFSD), 81 km from the middle of the area, began a volume at 00:26 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
May 5, 7:33 PM CDTTORNADO6 Nnw Spencer, SDONE MILE EAST OF HWY 25. 247ST AVE. SAME TORNADO THAT WAS WEST OF SPENCER AT 723 PM CDT. RATED EF2.
May 5, 7:39 PM CDTTORNADO3 Nw Canova, SD
May 5, 7:47 PM CDTTORNADO3 W Vilas, SD
May 5, 7:47 PM CDTTORNADO9 S Carthage, SDHOG BARN AND HOOP BUILDING DESTROYED. RATED EF2.
May 5, 7:56 PM CDTTORNADO5 E Carthage, SDPOLE BARN DOWN. RATED EF1.
May 5, 7:56 PM CDTTORNADO5 E Carthage, SD

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
May 5, 4:33 PM CDTTornado Watch PDSSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.4 hours before the alert went out and 307 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, Omaha, NE at 00:00Z on 2007-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2431 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, Omaha, NE at 00:00Z on 2007-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2431 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 060026
TORFSD
SDC061-087-097-060100-
/O.NEW.KFSD.TO.W.0032.070506T0026Z-070506T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
726 PM CDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  MINER COUNTY IN EAST CENTRAL SOUTH DAKOTA
  NORTHEASTERN HANSON COUNTY IN SOUTHEAST SOUTH DAKOTA   
  NORTHWESTERN MCCOOK COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 800 PM CDT

* AT 726 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 10 MILES SOUTHWEST OF CANOVA...OR ABOUT 21 MILES EAST OF
  MITCHELL...MOVING NORTH AT 40 MPH.

* THE TORNADO WILL BE NEAR...
   CANOVA AROUND 735 PM CDT...
   ROSWELL AROUND 740 PM CDT...
   VILAS AROUND 745 PM CDT...

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

A TORNADO HAS BEEN CONFIRMED NEAR SPENCER. TAKE COVER IN A STURDY BUILDING 
NOW. MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 4374 9775 4373 9750 4419 9742 4419 9772

$$

PS
5 follow-up statements
000 
WWUS53 KFSD 060031
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
729 PM CDT SAT MAY 5 2007

SDC061-087-097-060100-
/O.CON.KFSD.TO.W.0032.000000T0000Z-070506T0100Z/
MINER SD-HANSON SD-MCCOOK SD-
729 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN MCCOOK...NORTHEASTERN HANSON AND CENTRAL MINER
COUNTIES...

AT 729 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 10 MILES SOUTHWEST OF
CANOVA...OR ABOUT 20 MILES EAST OF MITCHELL...MOVING NORTH AT 40 MPH.

THE TORNADO WILL MOVE ALONG THE MCCOOK AND HANSON COUNTY LINE NORTH 
OF SPENCER AND THEN ENTER MINER COUNTY EAST OF CANOVA AROUND 740 PM 
CDT.  THE TORNADO WILL THEN BE NEAR VILAS AROUND 745 PM CDT.

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

A TORNADO HAS BEEN CONFIRMED 4 MILES NORTH OF SPENCER. THIS IS A 
LARGE TORNADO AND HAS DAMAGED A HOME IN SPENCER. TAKE COVER IN A 
STURDY BUILDING NOW. MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 4374 9775 4373 9750 4419 9742 4419 9772

$$

PS
000 
WWUS53 KFSD 060034
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
733 PM CDT SAT MAY 5 2007

SDC061-087-097-060100-
/O.CON.KFSD.TO.W.0032.000000T0000Z-070506T0100Z/
MINER SD-HANSON SD-MCCOOK SD-
733 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN MCCOOK...NORTHEASTERN HANSON AND CENTRAL MINER
COUNTIES...

AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 8 MILES SOUTHWEST OF
CANOVA...OR ABOUT 20 MILES EAST OF MITCHELL...MOVING NORTH AT 40 MPH.

THE TORNADO WILL BE NEAR...
   VILAS AROUND 750 PM CDT...

AT 732 PM CDT...LAW ENFORCMENT REPORTED A TORNADO 1 MILE EAST OF 
HIGHWAY 25 AND 6 MILES NORTH OF SPENCER IN EXTREME NORTHEAST HANSON 
COUNTY. THIS IS A LARGE TORNADO AND WILL MOVE INTO MINER COUNTY BY 
740 PM CDT.

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

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 4374 9775 4373 9750 4419 9742 4419 9772

$$

PS
000 
WWUS53 KFSD 060038 RRA
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
736 PM CDT SAT MAY 5 2007

SDC061-087-097-060100-
/O.CON.KFSD.TO.W.0032.000000T0000Z-070506T0100Z/
MINER SD-HANSON SD-MCCOOK SD-
736 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN MCCOOK...NORTHEASTERN HANSON AND CENTRAL MINER
COUNTIES...

AT 736 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES WEST OF
CANOVA...OR ABOUT 24 MILES NORTHEAST OF MITCHELL...MOVING NORTH AT 45
MPH.

THE TORNADO WILL BE NEAR...
   HOWARD AROUND 745 PM CDT...

AT 736 PM...WEATHER SPOTTERS REPORTED TWO TORNADOES.  ONE TORNADO 
WAS 5 MILES WEST OF CANOVA AND WEAKENING. HOWEVER...A NEW TORNADO 
WAS REPORTED 1 MILES SOUTH OF CANOVA IN MINER COUNTY. THIS STORM HAS 
A HISTORY OF PRODUCING LARGE TORNADOES.  

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

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 4372 9772 4373 9750 4419 9742 4419 9772

$$

PS
000 
WWUS53 KFSD 060046
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
745 PM CDT SAT MAY 5 2007

SDC061-087-060055-
/O.CAN.KFSD.TO.W.0032.000000T0000Z-070506T0100Z/
HANSON SD-MCCOOK SD-
745 PM CDT SAT MAY 5 2007

...THE TORNADO WARNING FOR NORTHWESTERN MCCOOK AND NORTHEASTERN 
HANSON COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING.

LAT...LON 4393 9767 4391 9749 4419 9742 4419 9772

$$

SDC097-060100-
/O.CON.KFSD.TO.W.0032.000000T0000Z-070506T0100Z/
MINER SD-
745 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR CENTRAL
MINER COUNTY...

AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR VILAS...OR ABOUT
23 MILES WEST OF MADISON...MOVING NORTH AT 55 MPH.

THE TORNADO WILL BE NEAR...
  HOWARD AROUND 750 PM CDT.

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

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 4393 9767 4391 9749 4419 9742 4419 9772

$$

PS
000 
WWUS53 KFSD 060049
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
749 PM CDT SAT MAY 5 2007

SDC005-060100-
/O.CON.KFSD.SV.W.0071.000000T0000Z-070506T0100Z/
BEADLE SD-
749 PM CDT SAT MAY 5 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR EASTERN BEADLE COUNTY...

AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED NEAR HURON...MOVING NORTH AT 60 MPH.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING 
FOR SOUTHEAST SOUTH DAKOTA.

LAT...LON 4422 9831 4421 9806 4464 9807 4463 9833

$$

CHAPMAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 7:03 PM CDTTornado WarningFSDMcCook27 min
May 5, 7:05 PM CDTSevere Thunderstorm WarningFSDBeadle25 min
May 5, 7:09 PM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix, Gregory51 min
May 5, 7:09 PM CDTSevere Thunderstorm WarningFSDJerauld36 min
May 5, 7:23 PM CDTSevere Thunderstorm WarningFSDAurora, Jerauld37 min
May 5, 7:38 PM CDTSevere Thunderstorm WarningFSDBeadle52 min
May 5, 7:43 PM CDTSevere Thunderstorm WarningFSDBeadle17 min
May 5, 7:53 PM CDTTornado WarningFSDKingsbury, Miner28 min
May 5, 8:08 PM CDTSevere Thunderstorm WarningFSDGregory52 min
May 5, 8:11 PM CDTSevere Thunderstorm WarningFSDJerauld34 min
May 5, 8:16 PM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix44 min
May 5, 8:20 PM CDTSevere Thunderstorm WarningFSDBeadle40 min
May 5, 8:27 PM CDTTornado WarningFSDBeadle12 min
May 5, 9:08 PM CDTFlash Flood WarningFSDBrule112 min
May 5, 9:21 PM CDTSevere Thunderstorm WarningFSDBeadle24 min
May 5, 10:46 PM CDTHigh Wind WarningFSDBrookings, Lincoln, Minnehaha, Moody8 hr
May 5, 11:28 PM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton32 min
May 5, 11:53 PM CDTSevere Thunderstorm WarningFSDBon Homme, Yankton37 min

Nearby

Tornado Warnings in South Dakota, 2007Every tornado warning in 2007Tornadoes in 2007

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.