Alert archive / South Dakota / Tornado Warnings in 2008
Tornado Warning 49, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 6, 2008, 5:32 PM CDT for Aurora County, Davison County, Hanson County, South Dakota. It was in force for 28 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
- Jul 6, 2008, 5:32 PM CDT (22:32 UTC)
- Expired
- Jul 6, 2008, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties Aurora County, SD, Davison County, SD, Hanson County, SD
The radar
The Sioux Falls radar (KFSD), 105 km from the middle of the area, began a volume at 22:32 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 nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.5 hours before the alert went out and 133 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
- 36 J/kg
- Mixed-layer CIN
- -430 J/kg
- Mixed-layer LCL
- 2058 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -134 m²/s²
- 0-3 km storm-relative helicity
- -65 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 062233
TORFSD
SDC003-035-061-062300-
/O.NEW.KFSD.TO.W.0049.080706T2232Z-080706T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
532 PM CDT SUN JUL 6 2008
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN AURORA COUNTY IN SOUTHEAST SOUTH DAKOTA
NORTHERN DAVISON COUNTY IN SOUTHEAST SOUTH DAKOTA
NORTHERN HANSON COUNTY IN SOUTHEAST SOUTH DAKOTA
* UNTIL 600 PM CDT
* AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING BRIEF
TORNADOES ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF FULTON
TO 4 MILES NORTH OF STICKNEY...OR ALONG A LINE EXTENDING FROM 10
MILES NORTHEAST OF MITCHELL TO 22 MILES WEST OF MITCHELL...NEARLY
STATIONARY.
* TORNADO PRODUCING STORMS WILL BE NEAR...
MOUNT VERNON AROUND 545 PM CDT...
LOOMIS...PLANKINTON AROUND 600 PM CDT...
LARGE HAIL AND STRONG DAMAGING WINDS IN EXCESS OF 60 MPH CAN ALSO BE
EXPECTED WITH THESE STORMS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SUNDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.
LAT...LON 4376 9761 4356 9844 4368 9876 4383 9804
4384 9763
TIME...MOT...LOC 2232Z 115DEG 3KT 4380 9787 4365 9847
$$
BT2 follow-up statements
000
WWUS53 KFSD 062254
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
553 PM CDT SUN JUL 6 2008
SDC003-035-061-062300-
/O.CON.KFSD.TO.W.0049.000000T0000Z-080706T2300Z/
AURORA SD-DAVISON SD-HANSON SD-
553 PM CDT SUN JUL 6 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHERN
HANSON...NORTHERN DAVISON AND SOUTHERN AURORA COUNTIES...
AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF TORNADO PRODUCING STORMS. THESE TORNADO PRODUCING
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF
FULTON TO 4 MILES SOUTH OF PLANKINTON...OR ALONG A LINE EXTENDING
FROM 9 MILES NORTHEAST OF MITCHELL TO 23 MILES WEST OF MITCHELL...
MOVING NORTHWEST AT 3 MPH.
TORNADO PRODUCING STORMS WILL BE NEAR...
LOOMIS...PLANKINTON AROUND 600 PM CDT...
THOUGH THESE STORMS HAVE SHOWS SIGNS OF WEAKENING...THEY ARE STILL
CAPABLE OF PRODUCING WINDS TO NEAR 60 MPH AND HAIL TO THE SIZE OF
PENNIES. IN ADDITION...LOCALIZED HEAVY RAINFALL CAN BE EXPECTED
WITH THESE STORMS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SUNDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.
LAT...LON 4376 9761 4356 9844 4368 9876 4383 9804
4384 9763
TIME...MOT...LOC 2253Z 115DEG 3KT 4381 9789 4366 9849
$$
BT000
WWUS53 KFSD 062255
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
555 PM CDT SUN JUL 6 2008
SDC003-035-061-062305-
/O.EXP.KFSD.TO.W.0049.000000T0000Z-080706T2300Z/
AURORA SD-DAVISON SD-HANSON SD-
555 PM CDT SUN JUL 6 2008
...THE TORNADO WARNING FOR NORTHERN HANSON...NORTHERN DAVISON AND
SOUTHERN AURORA COUNTIES WILL EXPIRE AT 600 PM CDT...
THE STORM IS NO LONGER SEVERE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SUNDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.
LAT...LON 4376 9761 4356 9844 4368 9876 4383 9804
4384 9763
TIME...MOT...LOC 2255Z 115DEG 3KT 4381 9789 4366 9849
$$
BTThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:41 PM CDT | Tornado Warning | FSD | Union | 34 min |
| Jul 6, 5:50 PM CDT | Flash Flood Warning | FSD | Aurora, Davison, Hanson | 3 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.