Alert archive / South Dakota / Tornado Warnings in 2008
Tornado Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 1, 2008, 7:25 PM CDT for McCook County, Minnehaha County, Turner County, South Dakota. It was in force for 35 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 1, 2008, 7:25 PM CDT (00:25 UTC)
- Expired
- May 1, 2008, 8:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties McCook County, SD, Minnehaha County, SD, Turner County, SD
The radar
The Sioux Falls radar (KFSD), 30 km from the middle of the area, began a volume at 00:25 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 1, 4:34 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.4 hours before the alert went out and 181 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KFSD 020025
TORFSD
SDC087-099-125-020100-
/O.NEW.KFSD.TO.W.0008.080502T0025Z-080502T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
725 PM CDT THU MAY 1 2008
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN MCCOOK COUNTY IN SOUTHEAST SOUTH DAKOTA
SOUTHWESTERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA
NORTH CENTRAL TURNER COUNTY IN SOUTHEAST SOUTH DAKOTA
* UNTIL 800 PM CDT
* AT 725 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTH
OF HUMBOLDT...OR NEAR PARKER...MOVING NORTH AT 15 MPH.
* THE TORNADO WILL BE NEAR...
HUMBOLDT AROUND 800 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4365 9723 4365 9697 4356 9700 4344 9702
4344 9712
TIME...MOT...LOC 0025Z 163DEG 13KT 4347 9707
$$
LIEBL3 follow-up statements
000
WWUS53 KFSD 020043
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
743 PM CDT THU MAY 1 2008
SDC087-099-125-020100-
/O.CON.KFSD.TO.W.0008.000000T0000Z-080502T0100Z/
MINNEHAHA SD-MCCOOK SD-TURNER SD-
743 PM CDT THU MAY 1 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTH
CENTRAL TURNER...SOUTHEASTERN MCCOOK AND SOUTHWESTERN MINNEHAHA
COUNTIES...
AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 7 MILES SOUTHEAST OF
HUMBOLDT...OR 13 MILES NORTHEAST OF PARKER...MOVING NORTH AT 17 MPH.
THE TORNADO WILL BE NEAR...
HUMBOLDT AROUND 800 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4357 9699 4356 9700 4354 9700 4349 9702
4344 9702 4344 9712 4365 9723 4365 9697
TIME...MOT...LOC 0043Z 186DEG 15KT 4357 9700
$$
LIEBL000
WWUS53 KFSD 020050 RRA
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
749 PM CDT THU MAY 1 2008
SDC125-020059-
/O.CAN.KFSD.TO.W.0008.000000T0000Z-080502T0100Z/
TURNER SD-
749 PM CDT THU MAY 1 2008
...THE TORNADO WARNING FOR NORTH CENTRAL TURNER COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4354 9700 4351 9702 4351 9716 4353 9716
4354 9718 4365 9723 4365 9697
TIME...MOT...LOC 0049Z 186DEG 15KT 4359 9700
$$
SDC087-099-020100-
/O.CON.KFSD.TO.W.0008.000000T0000Z-080502T0100Z/
MINNEHAHA SD-MCCOOK SD-
749 PM CDT THU MAY 1 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN MCCOOK AND SOUTHWESTERN MINNEHAHA COUNTIES...
AT 749 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS
TORNADO WAS LOCATED 6 MILES SOUTHEAST OF HUMBOLDT...OR 14 MILES WEST
OF SIOUX FALLS...MOVING NORTH AT 17 MPH.
THE TORNADO WILL BE NEAR...
HUMBOLDT AROUND 800 PM CDT...
AT 748 PM CDT...TRAINED SPOTTERS REPORTED STRONG ROTATION 5 MILES
SOUTH OF HUMBOLDT.
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4354 9700 4351 9702 4351 9716 4353 9716
4354 9718 4365 9723 4365 9697
TIME...MOT...LOC 0049Z 186DEG 15KT 4359 9700
$$
LIEBL000
WWUS53 KFSD 020102
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
802 PM CDT THU MAY 1 2008
SDC087-099-020112-
/O.EXP.KFSD.TO.W.0008.000000T0000Z-080502T0100Z/
MINNEHAHA SD-MCCOOK SD-
802 PM CDT THU MAY 1 2008
...THE TORNADO WARNING FOR SOUTHEASTERN MCCOOK AND SOUTHWESTERN
MINNEHAHA COUNTIES HAS EXPIRED...
THIS TORNADO WARNING HAS BEEN REPLACED BY A NEW TORNADO WARNING FOR
WESTERN MINNEHAHA COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA.
LAT...LON 4354 9700 4351 9702 4351 9716 4353 9716
4354 9718 4365 9723 4365 9697
TIME...MOT...LOC 0050Z 186DEG 15KT 4359 9700
$$
LIEBLThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 7:08 PM CDT | Tornado Warning | FSD | Turner | 29 min |
| May 1, 7:16 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha, Turner | 44 min |
| May 1, 7:22 PM CDT | Tornado Warning | FSD | Lincoln, Minnehaha | 23 min |
| May 1, 7:27 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| May 1, 7:45 PM CDT | Tornado Warning | FSD | Minnehaha | 30 min |
| May 1, 7:53 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 24 min |
| May 1, 7:59 PM CDT | Tornado Warning | FSD | Minnehaha | 14 min |
| May 1, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Sanborn | 36 min |
| May 1, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 21 min |
| May 2, 2:48 PM CDT | River Flood Warning | FSD | Union | 18 hr |
| May 2, 2:48 PM CDT | River Flood Warning | FSD | Lincoln, Union | 18 hr |
| May 2, 3:49 PM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 12 hr |
Nearby
Tornado Warnings in South Dakota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.