Alert archive / Illinois / Flash Flood Warnings in 2011
Flash Flood Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at May 25, 2011, 7:11 PM CDT for Bureau County, Henry County, Putnam County, Illinois. It was in force for 4 hr. 3 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
- May 25, 2011, 7:11 PM CDT (00:11 UTC)
- Expired
- May 25, 2011, 10:53 PM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bureau County, IL, Henry County, IL, Putnam County, IL
The radar
The Quad Cities radar (KDVN), 95 km from the middle of the area, began a volume at 00:14 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 |
|---|---|---|---|
| May 25, 8:18 PM CDT | HEAVY RAIN 1.8 | Cambridge, IL | STORM TOTAL. |
| May 25, 8:30 PM CDT | HEAVY RAIN 2.75 | Princeton, IL | RAINFALL TOTAL SINCE 6 PM |
| May 25, 9:08 PM CDT | HEAVY RAIN 1.75 | 3 Se Annawan, IL | RAINFALL TOTAL SINCE 630 PM...1.5 INCHES FELL BETWEEN 630 AND 730 PM |
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, 0.2 hours before the alert went out and 89 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
- 6 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
621
WGUS53 KDVN 260011
FFWDVN
ILC011-073-155-260615-
/O.NEW.KDVN.FF.W.0005.110526T0011Z-110526T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
711 PM CDT WED MAY 25 2011
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN BUREAU COUNTY IN NORTH CENTRAL ILLINOIS...
THIS INCLUDES THE CITY OF PRINCETON...
PUTNAM COUNTY IN NORTH CENTRAL ILLINOIS...
THIS INCLUDES THE CITY OF HENNEPIN...
SOUTHERN HENRY COUNTY IN NORTHWEST ILLINOIS...
THIS INCLUDES THE CITIES OF...KEWANEE...CAMBRIDGE...
* UNTIL 115 AM CDT THURSDAY
* AT 705 PM CDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING IN
AND AROUND THE GALVA AND BISHOP HILL AREA FROM A LINE OF
THUNDERSTORMS MOVING OVER HENRY...BUREAU AND PUTNAM COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GRANVILLE...WYANET...TISKILWA...SPRING VALLEY...SHEFFIELD...LADD...
DEPUE...DALZELL...BUDA...WARNER...ORION...LYNN CENTER...ATKINSON...
ANNAWAN AND ANDOVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL
STREAMS AND CREEKS...HIGHWAYS AND STREETS...AND LOW LYING URBAN AND
RURAL AREAS.
AVOID OR MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER GROUND.
&&
LAT...LON 4110 8916 4110 8935 4111 8936 4112 8934
4114 8934 4115 8963 4123 8964 4123 8986
4116 8988 4116 9042 4142 9043 4143 8917
$$
WOLF2 follow-up statements
791
WGUS73 KDVN 260050
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
750 PM CDT WED MAY 25 2011
ILC011-073-155-260615-
/O.CON.KDVN.FF.W.0005.000000T0000Z-110526T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IL-PUTNAM IL-BUREAU IL-
750 PM CDT WED MAY 25 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR
SOUTHERN BUREAU...PUTNAM AND SOUTHERN HENRY COUNTIES...
AT 747 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE HEAVIEST RAIN HAS MOVED NORTH OF THE AREA. HOWEVER...LIGHT
TO MODERATE RAIN WILL PERSIST THROUGH 9 OR 10 PM...SO THE FLASH
FLOOD WARNING WILL REMAIN IN EFFECT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WYANET...
TISKILWA...SPRING VALLEY...SHEFFIELD...PRINCETON...LADD...DEPUE...
DALZELL...BUDA...WARNER...ORION...LYNN CENTER...KEWANEE...
CAMBRIDGE...ATKINSON...ANNAWAN...ANDOVER...HENNEPIN AND GRANVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES
SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT.
&&
LAT...LON 4110 8916 4110 8935 4111 8936 4112 8934
4114 8934 4115 8963 4123 8964 4123 8986
4116 8988 4116 9042 4142 9043 4143 8917
$$
WOLF070
WGUS73 KDVN 260353
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1053 PM CDT WED MAY 25 2011
ILC011-073-155-260402-
/O.CAN.KDVN.FF.W.0005.000000T0000Z-110526T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY IL-PUTNAM IL-BUREAU IL-
1053 PM CDT WED MAY 25 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN BUREAU...
PUTNAM AND SOUTHERN HENRY COUNTIES...
WATER HAS RECEDED FROM ROADS ACROSS THE AREA AND NO SIGNIFICANT
ADDITIONAL RAINFALL IS EXPECTED...THUS THE FLASH FLOOD WARNING HAS
BEEN CANCELLED.
LAT...LON 4110 8916 4110 8935 4111 8936 4112 8934
4114 8934 4115 8963 4123 8964 4123 8986
4116 8988 4116 9042 4142 9043 4143 8917
$$
NICHOLSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:36 PM CDT | Flash Flood Warning | DVN | Bureau | 3 hr |
| May 26, 7:31 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 22 hr |
| May 26, 10:52 AM CDT | River Flood Warning | DVN | Hancock | 24 hr |
| May 26, 10:52 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 48 hr |
Nearby
Flash Flood Warnings in Illinois, 2011Every flash flood warning in 2011
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.