Alert archive / Illinois / Tornado Warnings in 2000
Tornado Warning 12, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at May 18, 2000, 3:47 PM CDT for Henry County, Illinois. 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 counties it named.
The facts
- Issued
- May 18, 2000, 3:47 PM CDT (20:47 UTC)
- Expired
- May 18, 2000, 4:15 PM CDT
- In force
- 28 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Henry County, IL
The radar
The Quad Cities radar (KDVN), 47 km from the middle of the area, began a volume at 20:50 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 18, 11:30 AM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 8.8 hours before the alert went out and 43 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
- 1779 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 796 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDVN 182048 TORMLI ILC073-182115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 347 PM CDT THU MAY 18 2000 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN HENRY COUNTY IN NORTHWEST ILLINOIS * UNTIL 415 PM CDT * AT 345 PM CDT...DOPPLER RADAR AND SPOTTERS INDICATED A TORNADO 3 MILES EAST OF GALVA...OR 6 MILES SOUTHWEST OF KEWANEE...MOVING EAST AT 20 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... KEWANEE MUNICIPAL AIRPORT BY 350 PM CDT. 5 MILES SOUTH OF KEWANEE BY 355 PM CDT. 7 MILES SOUTH OF BRANDENBURG CORNERS BY 405 PM CDT. 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. NICHOLS
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 10:55 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 50 min |
| May 18, 10:55 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 50 min |
| May 18, 12:43 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 47 min |
| May 18, 2:29 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Rock Island | 46 min |
| May 18, 3:14 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 31 min |
| May 18, 3:14 PM CDT | Tornado Warning | DVN | Henry | 31 min |
| May 18, 3:21 PM CDT | Tornado Warning | DVN | Bureau | 24 min |
| May 18, 3:28 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 47 min |
| May 18, 3:43 PM CDT | Tornado Warning | DVN | Bureau | 47 min |
| May 18, 4:41 PM CDT | Tornado Warning | DVN | Putnam | 34 min |
Nearby
Tornado Warnings in Illinois, 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.