Alert archive / Iowa / Tornado Warnings in 2000
Tornado Warning 4, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at May 11, 2000, 8:30 PM CDT for Buchanan County, Iowa. It was in force for 45 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- May 11, 2000, 8:30 PM CDT (01:30 UTC)
- Expired
- May 11, 2000, 9:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Buchanan County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 8:45 PM CDT | Tornado F0 | Hazleton, IA | The fourth and last tornado, which was part of a family which includes the F1 event south of Hazelton, touched down 8 miles east southeast of Hazelton to 4 miles south southeast of Aurora. It was rated an F0 with a path length of 5 1/2 miles and width of abou |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 11, 6:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.5 hours before the alert went out and 159 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
- 2323 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 120130 TORMLI IAC019-120215- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 830 PM CDT THU MAY 11 2000 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN BUCHANAN COUNTY IN NORTHEAST IOWA * UNTIL 915 PM CDT * AT 829 PM CDT...DOPPLER RADAR INDICATED A TORNADO NEAR FONTANA COUNTY PARK/CAMPGROUND...OR 7 MILES SOUTH OF OELWEIN...MOVING EAST AT 20 MPH. OTHER CIRCULATIONS WERE BEING DETECTED NEAR OTTERVILLE AND BETWEEN FAIRBANK AND LITTLETON. * SOME LOCATIONS IN THE WARNING INCLUDE WINTHROP GOLF COURSE... WAPSIPINICON GOLF COURSE...STANLEY...OTTERVILLE...LITTLETON... HAZLETON...FAIRBANK AND AURORA THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS }STAY AWAY FROM WINDOWS. LAT...LON 4264 9212 4247 9205 4249 9164 4264 9170 MCCLURE
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:31 PM CDT | Tornado Warning | DVN | Buchanan | 29 min |
| May 11, 7:58 PM CDT | Tornado Warning | DVN | Buchanan | 32 min |
| May 11, 9:06 PM CDT | Tornado Warning | DVN | Delaware | 39 min |
| May 11, 9:19 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan | 41 min |
| May 11, 9:48 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 42 min |
| May 11, 10:42 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 48 min |
| May 12, 12:56 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 49 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.