Alert archive / Illinois / Tornado Warnings in 2008
Tornado Warning 7, NWS Quad Cities, IA
NWS Quad Cities, IA issued this tornado warning at Apr 10, 2008, 6:47 PM CDT for 4 counties in Illinois; Des Moines County, Iowa. It was in force for 30 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 10, 2008, 6:47 PM CDT (23:47 UTC)
- Expired
- Apr 10, 2008, 7:17 PM CDT
- In force
- 30 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
Counties Des Moines County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Warren County, IL
The radar
The Quad Cities radar (KDVN), 128 km from the middle of the area, began a volume at 23:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 10, 6:58 PM CDT | HAIL 0.25 | Stronghurst, IL | PEA SIZED HAIL AND ESTIMATED 40 MPH WINDS |
| Apr 10, 6:59 PM CDT | TSTM WND GST 75 | 4 Se Blandinsville, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 7, 1:52 PM CST | Tornado Watch | SPC | 146 days |
| Apr 10, 4:55 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 130 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 305 m²/s²
- 0-3 km storm-relative helicity
- 419 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 KDVN 102347 TORDVN IAC057-ILC067-071-109-187-110030- /O.NEW.KDVN.TO.W.0007.080410T2347Z-080411T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 647 PM CDT THU APR 10 2008 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL DES MOINES COUNTY IN SOUTHEAST IOWA... NORTHEASTERN HANCOCK COUNTY IN WEST CENTRAL ILLINOIS... SOUTHERN HENDERSON COUNTY IN WEST CENTRAL ILLINOIS... WESTERN MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS... SOUTHERN WARREN COUNTY IN WEST CENTRAL ILLINOIS... * UNTIL 730 PM CDT. * AT 646 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR COLMAR...OR 9 MILES EAST OF CARTHAGE...MOVING NORTH AT 65 MPH. * THE TORNADO WILL BE NEAR... BLANDINSVILLE...LA HARPE...SCIOTA AND 8 MILES EAST OF TERRE HAUTE AROUND 700 PM CDT... RARITAN AROUND 705 PM CDT... 7 MILES EAST OF STRONGHURST AROUND 710 PM CDT... THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. LAT...LON 4035 9111 4085 9110 4065 9046 4028 9089 TIME...MOT...LOC 2347Z 202DEG 56KT 4040 9095 $$ NICHOLS
2 follow-up statements
000
WWUS53 KDVN 110007
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
707 PM CDT THU APR 10 2008
IAC057-ILC067-110017-
/O.CAN.KDVN.TO.W.0007.000000T0000Z-080411T0030Z/
DES MOINES IA-HANCOCK IL-
707 PM CDT THU APR 10 2008
...THE TORNADO WARNING FOR NORTHEASTERN HANCOCK AND SOUTH CENTRAL DES
MOINES COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS MOVED
OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN
CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
LAT...LON 4059 9090 4076 9082 4072 9068 4071 9065
4071 9062 4066 9049 4062 9049 4053 9060
4048 9071
TIME...MOT...LOC 0007Z 215DEG 56KT 4062 9072
$$
ILC071-109-187-110030-
/O.CON.KDVN.TO.W.0007.000000T0000Z-080411T0030Z/
MCDONOUGH IL-WARREN IL-HENDERSON IL-
707 PM CDT THU APR 10 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN HENDERSON...SOUTHWESTERN WARREN AND NORTHWESTERN
MCDONOUGH COUNTIES...
AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED APPROXIMATELY NEAR
SCIOTA...OR 8 MILES NORTHWEST OF MACOMB...MOVING NORTHEAST AT 64 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
LAT...LON 4059 9090 4076 9082 4072 9068 4071 9065
4071 9062 4066 9049 4062 9049 4053 9060
4048 9071
TIME...MOT...LOC 0007Z 215DEG 56KT 4062 9072
$$
NICHOLS000
WWUS53 KDVN 110017
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
717 PM CDT THU APR 10 2008
ILC071-109-187-110027-
/O.CAN.KDVN.TO.W.0007.000000T0000Z-080411T0030Z/
MCDONOUGH IL-WARREN IL-HENDERSON IL-
717 PM CDT THU APR 10 2008
...THE TORNADO WARNING FOR SOUTHEASTERN HENDERSON...SOUTHWESTERN
WARREN AND NORTHWESTERN MCDONOUGH COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS MOVED
OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN
CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI.
LAT...LON 4059 9090 4076 9082 4072 9068 4071 9065
4071 9062 4066 9049 4062 9049 4053 9060
4048 9071
TIME...MOT...LOC 0017Z 215DEG 56KT 4075 9060
$$
NICHOLSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 9:48 AM CDT | River Flood Warning | DVN | Whiteside | 7 days |
| Apr 10, 9:55 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 23 hr |
| Apr 10, 10:01 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 60 hr |
| Apr 10, 11:33 AM CDT | River Flood Warning | DVN | Henderson | 43 days |
| Apr 10, 11:33 AM CDT | River Flood Warning | DVN | Hancock, Henderson | 43 days |
| Apr 10, 12:07 PM CDT | Wind Advisory | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 3 hr |
| Apr 10, 5:47 PM CDT | Tornado Warning | DVN | Hancock, Henderson, McDonough, Warren | 43 min |
| Apr 10, 6:05 PM CDT | Tornado Warning | DVN | Des Moines, Henry, Jefferson, Lee, Louisa, Van Buren and 1 more | 40 min |
| Apr 10, 6:38 PM CDT | Tornado Warning | DVN | Iowa, Johnson, Keokuk, Washington | 37 min |
Nearby
Tornado Warnings in Illinois, 2008Tornado Warnings in Iowa, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.