Alert archive / Nebraska / Tornado Warnings in 2003
Tornado Warning 6, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 23, 2003, 10:04 PM CDT for Dixon County, Nebraska. It was in force for 56 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
- Jun 23, 2003, 10:04 PM CDT (03:04 UTC)
- Expired
- Jun 23, 2003, 11:00 PM CDT
- In force
- 56 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Dixon County, NE
The radar
The Sioux Falls radar (KFSD), 107 km from the middle of the area, began a volume at 03:06 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 |
|---|---|---|---|
| Jun 23, 5:35 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.1 hours before the alert went out and 280 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
- 1534 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
218
WFUS53 KFSD 240304
TORFSD
NEC051-240400-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1002 PM CDT MON JUN 23 2003
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
DIXON COUNTY IN NORTHEAST NEBRASKA
* UNTIL 1100 PM CDT
* AT 1002 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADIC THUNDERSTORM 17 MILES SOUTHWEST OF NEWCASTLE...OR ABOUT 7
MILES NORTHWEST OF LAUREL...MOVING EAST AT 15 MPH.
* SOME LOCATIONS AFFECTED...
RURAL WESTERN DIXON AT 1030 PM CDT
NEWCASTLE AROUND 1100 PM CDT
A TORNADO HAS BEEN CONFIRMED IN CEDAR COUNTY NEAR COLERIDGE. TAKE
COVER IN A STURDY BUILDING NOW. MOBILE HOMES AND VEHICLES ARE NOT
SAFE. THIS STORM WILL ALSO HAVE THE POTENTIAL TO PRODUCE VERY HEAVY
RAINFALL AND GOLF BALL SIZED HAIL OR LARGER.
LAT...LON 4272 9702 4247 9701 4244 9675 4266 9672
4267 9681 4273 9688
$$
08The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 10:47 PM CDT | Severe Thunderstorm Warning | FSD | Dakota | 58 min |
| Jun 23, 11:00 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 30 min |
| Jun 23, 11:13 PM CDT | Flash Flood Warning | FSD | Dixon | 2 hr |
| Jun 23, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Dakota | 28 min |
| Jun 24, 12:45 AM CDT | Severe Thunderstorm Warning | FSD | Dixon | 30 min |
| Jun 24, 5:26 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 49 min |
| Jun 24, 5:52 PM CDT | Tornado Warning | FSD | Dixon | 38 min |
Nearby
Tornado Warnings in Nebraska, 2003Every tornado warning in 2003Tornadoes in 2003
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.