Alert archive / Illinois / Flash Flood Warnings in 2007

Flash Flood Warning 13, NWS Quad Cities, IA

June 22, 2007McDonough County, Illinois

NWS Quad Cities, IA issued this flash flood warning at Jun 22, 2007, 4:02 AM CDT for McDonough County, Illinois. It was in force for 6 hr. 9 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 22, 2007, 4:02 AM CDT (09:02 UTC)
Expired
Jun 22, 2007, 10:00 AM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
Area
Whole counties

County McDonough County, IL

The radar

The Lincoln radar (KILX), 119 km from the middle of the area, began a volume at 09:01 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

TimeReportWhereRemark
Jun 22, 5:37 AM CDTHEAVY RAIN 6.734 Se Blandinsville, ILSTORM TOTAL SINCE LAST EVENING. MINOR WATER IN BASEMENT.
Jun 22, 6:40 AM CDTFLASH FLOOD5 Sw Macomb, ILWATER 8 INCHES DEEP ON 900E JUST SOUTH OF 900N.
Jun 22, 6:40 AM CDTFLASH FLOOD9 Wnw Macomb, ILWATER 1 FOOT DEEP AT 1400N AND 350E. LOCATION IS 9.1 WEST NORTHWEST OF MACOMB.
Jun 22, 6:40 AM CDTFLASH FLOODBlandinsville, ILWATER FLOWING ACROSS ILLINOIS ROUTE 9.
Jun 22, 7:56 AM CDTHEAVY RAIN 1.851 W Tennessee, ILOVERNIGHT TOTAL. TOTAL SINCE YESTERDAY AFTERNOON 2.30.
Jun 22, 8:50 AM CDTFLASH FLOOD2 E Blandinsville, ILALL CREEKS HAVE RISEN...WITH UP TO ONE FOOT OF WATER ON 350E NEAR BLANDENSVILLE
Jun 22, 9:08 AM CDTHEAVY RAIN 1.44 S Colchester, ILRAINFALL SINCE LAST NIGHT
Jun 22, 9:08 AM CDTHEAVY RAIN 5Good Hope, ILRAINFALL TOTAL FROM LAST NIGHT AND THIS MORNING
Jun 22, 9:08 AM CDTHEAVY RAIN 7Blandinsville, ILRAINFALL TOTAL FROM STORMS LAST NIGHT AND THIS MORNING

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 9.0 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2007-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1177 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2007-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1177 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1514 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KDVN 220905
FFWDVN
ILC109-221500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
402 AM CDT FRI JUN 22 2007

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS...
  THIS INCLUDES THE CITY OF MACOMB...

* UNTIL 1000 AM CDT

* AT 358 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAIN THUNDERSTORMS OVER THE WARNED AREA. RADAR ESTIMATES 2.5
  TO 4 INCHES OF RAIN HAS FALLEN SINCE 1 AM. ADDITIONAL RAINFALL OF
  UP TO AN INCH IS POSSIBLE THROUGH SUNRISE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SCIOTA...
  GOOD HOPE...BLANDINSVILLE...AND ARGYLE LAKE STATE PARK.
  

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

FLASH FLOODING IS LIKELY ON BAPTIST...CEDAR...ROCK...AND SPRING 
CREEKS. SIGNIFICANT RISES OR FLOODING IS ALSO LIKELY ON THE EAST 
FORK OF THE LA MOINE RIVER.

LAT...LON 4033 9091 4046 9057 4061 9071 4060 9091

$$

08
1 follow-up statement
000 
WGUS73 KDVN 221149
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
646 AM CDT FRI JUN 22 2007

ILC109-221500-
MCDONOUGH IL-
646 AM CDT FRI JUN 22 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
MCDONOUGH COUNTY...

AT 642 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SCIOTA...GOOD
HOPE AND BLANDINSVILLE.

MCDONOUGH COUNTY SHERIFF REPORTED WATER A FOOT DEEP AT THE 
INTERSECTION OF 1400 NORTH AND 350 EAST. WATER 8 INCHES DEEP WAS 
REPORTED NEAR THE INTERSECTION OF 900 EAST AND 900 NORTH. WATER WAS 
FLOWING ACROSS ILLINOIS ROUTE 9 IN BLANDINSVILLE.

ANOTHER ROUND OF STORMS WILL MOVE MOVING INTO MCDONOUGH COUNTY IN 
THE NEXT FEW HOURS. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES IS 
POSSIBLE.

DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES
SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT.

LAT...LON 4033 9091 4046 9057 4061 9071 4060 9091

$$

08

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 7:56 PM CDTSevere Thunderstorm WarningDVNMcDonough34 min
Jun 21, 8:07 PM CDTSevere Thunderstorm WarningDVNRock Island38 min
Jun 21, 8:22 PM CDTSevere Thunderstorm WarningDVNHenderson23 min
Jun 21, 8:30 PM CDTSevere Thunderstorm WarningDVNMcDonough45 min
Jun 21, 8:41 PM CDTSevere Thunderstorm WarningDVNWarren35 min
Jun 21, 9:10 PM CDTSevere Thunderstorm WarningDVNHancock35 min
Jun 22, 12:45 AM CDTSevere Thunderstorm WarningDVNHenderson60 min
Jun 22, 4:39 AM CDTFlash Flood WatchDVNHancock, Henderson, McDonough, Mercer, Warren7 hr
Jun 22, 5:56 AM CDTFlash Flood WarningDVNHancock6 hr
Jun 22, 6:52 AM CDTFlash Flood WarningDVNHenderson6 hr
Jun 22, 9:13 AM CDTFlash Flood WarningDVNMcDonough4 hr
Jun 22, 3:16 PM CDTFlash Flood WatchDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more24 hr
Jun 22, 6:57 PM CDTFlash Flood WarningDVNHancock, Henderson, McDonough9 hr

Nearby

Flash Flood Warnings in Illinois, 2007Every flash flood warning in 2007

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.