Alert archive / Illinois / Flash Flood Warnings in 2012
Flash Flood Warning 4, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at May 4, 2012, 12:26 AM CDT for Bureau County, Putnam County, Illinois. It was in force for 6 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
- May 4, 2012, 12:26 AM CDT (05:26 UTC)
- Expired
- May 4, 2012, 6:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bureau County, IL, Putnam County, IL
The radar
The Quad Cities radar (KDVN), 103 km from the middle of the area, began a volume at 05:29 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 00:00Z, 5.4 hours before the alert went out and 97 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
- 1056 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
778
WGUS53 KDVN 040526
FFWDVN
ILC011-155-041130-
/O.NEW.KDVN.FF.W.0004.120504T0526Z-120504T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1226 AM CDT FRI MAY 4 2012
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BUREAU COUNTY IN NORTH CENTRAL ILLINOIS...
THIS INCLUDES THE CITY OF PRINCETON...
PUTNAM COUNTY IN NORTH CENTRAL ILLINOIS...
THIS INCLUDES THE CITY OF HENNEPIN...
* UNTIL 630 AM CDT
* AT 1221 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING FROM REPEATED THUNDERSTORMS OVER THE WARNED AREA.
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR HAVE BEEN OBSERVED...AND
FLASH FLOODING HAS CAUSED A ROAD TO BE WASHED OUT IN SOUTHERN
BUREAU COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYANET...
WALNUT...SPRING VALLEY...SHEFFIELD...LADD...LA MOILLE...DEPUE...
DALZELL AND BUDA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL OF AROUND AN INCH IS EXPECTED.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.
&&
LAT...LON 4110 8935 4111 8936 4112 8934 4114 8934
4115 8963 4123 8964 4123 8986 4158 8986
4159 8917 4111 8915
$$
LE2 follow-up statements
971
WGUS73 KDVN 040912
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
412 AM CDT FRI MAY 4 2012
ILC011-155-041130-
/O.CON.KDVN.FF.W.0004.000000T0000Z-120504T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM IL-BUREAU IL-
412 AM CDT FRI MAY 4 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
BUREAU AND PUTNAM COUNTIES...
AT 404 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THUNDERSTORMS HAD MOVED OUT OF THE WARNED AREA. HOWEVER...
HEAVY RAINFALL LATE LAST EVENING PRODUCED UP TO 3 INCHES OF RAINFALL
OVER SOUTHERN PORTIONS OF BUREAU AND PUTNAM COUNTIES...AND CAUSED
SOME FLASH FLOODING IN THE AREA. WHILE THE FLOODING IS EXPECTED TO
BE DIMINISHING...SOME AREAS MAY STILL BE FLOODED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYANET...
WALNUT...TISKILWA...SPRING VALLEY...SHEFFIELD...PRINCETON...LADD...LA
MOILLE...DEPUE...DALZELL...BUDA...HENNEPIN AND GRANVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FRIDAY
MORNING FOR WEST CENTRAL ILLINOIS. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 500 AM CDT FRIDAY MORNING FOR SOUTHEAST IOWA
AND NORTHEAST MISSOURI.
&&
LAT...LON 4110 8935 4111 8936 4112 8934 4114 8934
4115 8963 4123 8964 4123 8986 4158 8986
4159 8917 4111 8915
$$
LE110
WGUS73 KDVN 041137
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
637 AM CDT FRI MAY 4 2012
ILC011-155-041146-
/O.EXP.KDVN.FF.W.0004.000000T0000Z-120504T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM IL-BUREAU IL-
637 AM CDT FRI MAY 4 2012
...THE FLASH FLOOD WARNING HAS EXPIRED FOR BUREAU AND PUTNAM
COUNTIES...
STORMS PRODUCING HEAVY RAINFALL HAVE MOVED OUT OF MOST OF THE
PREVIOUSLY WARNED AREA...AND LITTLE OR NO LINGERING FLOODING HAS
BEEN REPORTED RECENTLY.
LAT...LON 4110 8935 4111 8936 4112 8934 4114 8934
4115 8963 4123 8964 4123 8986 4158 8986
4159 8917 4111 8915
$$
12The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 9:29 PM CDT | Tornado Warning | DVN | Mercer | 17 min |
| May 3, 10:20 PM CDT | Flash Flood Warning | DVN | Rock Island | 6 hr |
| May 3, 10:44 PM CDT | Flash Flood Warning | DVN | Henry, Mercer, Rock Island | 6 hr |
| May 3, 11:13 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 49 min |
| May 3, 11:59 PM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 9 hr |
| May 4, 2:26 AM CDT | Special Weather Statement | DVN | Hancock, Henderson, McDonough, Warren | 49 min |
| May 4, 3:07 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 38 min |
| May 4, 4:04 AM CDT | Areal Flood Warning | DVN | Mercer, Rock Island | 9 hr |
| May 4, 3:31 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more | 11 hr |
Nearby
Flash Flood Warnings in Illinois, 2012Every flash flood warning in 2012
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.