Alert archive / South Dakota / Tornado Warnings in 2007

Tornado Warning 4, NWS Aberdeen, SD

May 5, 2007Spink County, South Dakota

NWS Aberdeen, SD issued this tornado warning at May 5, 2007, 6:58 PM CDT for Spink County, South Dakota. It was in force for 20 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
May 5, 2007, 6:58 PM CDT (23:58 UTC)
Expired
May 5, 2007, 7:18 PM CDT
In force
20 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

County Spink County, SD

The radar

The Aberdeen radar (KABR), 61 km from the middle of the area, began a volume at 00:00 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.

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

Aberdeen, SD (KABR), launched 12:00Z, 12.0 hours before the alert went out and 1 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 2007-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 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 2007-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
302 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KABR 052358
TORABR
SDC115-060030-
/O.NEW.KABR.TO.W.0004.070505T2358Z-070506T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
658 PM CDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  SPINK COUNTY IN NORTHEAST SOUTH DAKOTA...
  THIS INCLUDES THE CITY OF REDFIELD...

* UNTIL 730 PM CDT

* AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TULARE...OR
  8 MILES SOUTHEAST OF REDFIELD...MOVING NORTH AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  FRANKFORT AND REDFIELD AROUND 705 PM CDT...
  ASHTON AROUND 715 PM CDT...
  BRENTFORD AND MELLETTE AROUND 730 PM CDT...

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER NOW

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ABERDEEN.

LAT...LON 4473 9860 4468 9835 4515 9803 4523 9851

$$
ZELTWANGER
2 follow-up statements
000 
WWUS53 KABR 060010
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
710 PM CDT SAT MAY 5 2007

SDC115-060030-
/O.CON.KABR.TO.W.0004.000000T0000Z-070506T0030Z/
SPINK SD-
710 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTHERN
SPINK COUNTY...

AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR REDFIELD...MOVING
NORTH AT 45 MPH.

THE TORNADO WILL BE NEAR...
  ASHTON AROUND 715 PM CDT...
  TURTON AROUND 725 PM CDT...
  BRENTFORD AND MELLETTE AROUND 730 PM CDT...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 4484 9858 4482 9826 4515 9803 4523 9851

$$
ZELTWANGER
000 
WWUS53 KABR 060018
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
719 PM CDT SAT MAY 5 2007

SDC115-060029-
/O.CAN.KABR.TO.W.0004.000000T0000Z-070506T0030Z/
SPINK SD-
719 PM CDT SAT MAY 5 2007

...THE TORNADO WARNING FOR NORTHERN SPINK COUNTY IS CANCELLED...

AT 715 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED. THEREFORE...
THE TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 4484 9858 4482 9826 4515 9803 4523 9851

$$
ZELTWANGER

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 10:16 PM CDTSevere Thunderstorm WarningABRClark, Hamlin37 min
May 5, 2:40 AM CDTFlash Flood WarningABRClark, Codington, Day6 hr
May 5, 4:09 AM CDTFlash Flood WatchABRBrown, Buffalo, Campbell, Clark, Codington, Day and 15 more36 hr
May 5, 4:45 PM CDTFlash Flood WarningABRClark, Day, Marshall6 hr
May 5, 5:29 PM CDTFlash Flood WarningABRBrown, Spink6 hr
May 5, 5:29 PM CDTFlash Flood WarningABRBrown, Spink6 hr
May 5, 5:43 PM CDTSevere Thunderstorm WarningABRBuffalo, Hand20 min
May 5, 6:24 PM CDTFlash Flood WarningABRBuffalo, Faulk, Hand6 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.