Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 29, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jul 11, 2004, 3:30 PM CDT for Henderson County, Warren County, Illinois. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2004, 3:30 PM CDT (20:30 UTC)
- Expired
- Jul 11, 2004, 7:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
Counties Henderson County, IL, Warren County, IL
The radar
The Quad Cities radar (KDVN), 82 km from the middle of the area, began a volume at 20:32 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 nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 84 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
- 339 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDVN 112029 FFWDVN ILC071-187-120030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 330 PM CDT SUN JUL 11 2004 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... HENDERSON COUNTY IN WEST CENTRAL ILLINOIS WARREN COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 730 PM CDT * AT 321 PM CDT...STREAMS AND CREEKS WERE REPORTED TO BE COMING OUT OF THEIR BANKS IN WESTERN WARREN COUNTY...NEAR KIRKWOOD. THIS FLOODING IS RESULTING FROM THUNDERSTORMS WHICH DROPPED HEAVY RAIN OVER THE WARNED AREA. ALTHOUGH THE THUNDERSTORMS ARE EXITING THE WARNED AREA...THE FLOODING WILL REMAIN FOR A FEW HOURS LONGER. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TERRE HAUTE...STRONGHURST...ROZETTA...ROSEVILLE...RARITAN...OQUAWKA... LITTLE YORK...KIRKWOOD...GLADSTONE...CARMAN AND BIGGSVILLE. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF FLOOD-PRONE AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER GROUND. LAT...LON 4106 9094 4065 9113 4064 9048 4106 9047 $$ JAZ
2 follow-up statements
000 WGUS73 KDVN 112252 RRA FFSDVN ILC071-187-120030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 551 PM CDT SUN JUL 11 2004 ...THE FLASH FLOOD WARNING FOR WARREN AND HENDERSON COUNTIES IS CANCELED... HEAVY RAIN HAS MOVED OUT OF THE AREA AND FLOOD WATERS HAVE RECEDED. THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELED. LAT...LON 4106 9094 4065 9113 4064 9048 4106 9047 $$ 33
000 WGUS73 KDVN 112252 FFSDVN ILC071-187-120030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 552 PM CDT SUN JUL 11 2004 ...THE FLASH FLOOD WARNING FOR WARREN AND HENDERSON COUNTIES IS CANCELED... FLOOD WATERS ARE RECEDING. CREEKS AND STREAMS IN THE REGION ARE REPORTED TO BE WITHIN THEIR BANKS. THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELED. ALTHOUGH ADDITIONAL RAIN MAY AFFECT THE REGION THROUGH 9 PM...THIS ADDITIONAL RAIN IS NOT EXPECTED TO CAUSE ADDITIONAL FLOODING. LAT...LON 4106 9094 4065 9113 4064 9048 4106 9047 $$ JAZ
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 1:04 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 56 min |
| Jul 11, 2:39 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 66 min |
Nearby
Flash Flood Warnings in Illinois, 2004Every flash flood warning in 2004
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.