Alert archive / Iowa / Tornado Warnings in 2000
Tornado Warning 20, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jun 23, 2000, 8:32 PM CDT for Taylor County, Iowa. 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 23, 2000, 8:32 PM CDT (01:32 UTC)
- Expired
- Jun 23, 2000, 9:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Taylor County, IA
The radar
The Des Moines radar (KDMX), 144 km from the middle of the area, began a volume at 01:33 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, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 150 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
- 3677 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1176 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 21.8
The text
As transmitted, in the capitals the NWS used until 2016.
137 WFUS53 KDMX 240133 COR TORDSM IAC173-240200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 832 PM CDT FRI JUN 23 2000 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN TAYLOR COUNTY IN SOUTHWEST IOWA * UNTIL 900 PM * AT 828 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 6 MILES WEST OF BEDFORD...OR ABOUT 67 MILES SOUTHEAST OF COUNCIL BLUFFS...MOVING EAST AT 25 MPH. * THE TORNADO WILL BE... 9 MILES SOUTH OF GRAVITY AROUND 835 PM NEAR BEDFORD AROUND 845 PM IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR OF THE BUILDING OR INTO AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. LAT...LON 4066 9499 4053 9482 4077 9445 4093 9466 JOHNSON NNNN
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:00 PM CDT | Flash Flood Warning | DMX | Mahaska, Monroe | 3 hr |
| Jun 23, 7:12 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 33 min |
| Jun 23, 7:35 PM CDT | Flash Flood Warning | DMX | Davis | 3 hr |
| Jun 23, 7:53 PM CDT | Flash Flood Warning | DMX | Marion | 3 hr |
| Jun 23, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 37 min |
| Jun 23, 8:14 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 46 min |
| Jun 23, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 45 min |
| Jun 23, 11:36 PM CDT | Flash Flood Warning | DMX | Mahaska | 14 hr |
| Jun 23, 11:38 PM CDT | Flash Flood Warning | DMX | Davis, Wapello | 15 hr |
Nearby
Tornado Warnings in Iowa, 2000Every tornado warning in 2000Tornadoes in 2000
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.