Alert archive / Illinois / Flash Flood Warnings in 2015
Flash Flood Warning 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 10, 2015, 6:21 PM CDT for Putnam County, Illinois. It was in force for 3 hr. 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
- Jun 10, 2015, 6:21 PM CDT (23:21 UTC)
- Expired
- Jun 10, 2015, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Putnam County, IL
The radar
The Lincoln radar (KILX), 111 km from the middle of the area, began a volume at 23:24 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 |
|---|---|---|---|
| Jun 10, 7:16 PM CDT | HEAVY RAIN 3 | 3 Se Mc Nabb, IL | RAIN FELL FROM 530 PM TO 700 PM |
| Jun 10, 8:30 PM CDT | FLASH FLOOD | 1 W Mc Nabb, IL | WATER FLOWING ACROSS MCNABB BLACKTOP ROAD. DELAYED REPORT. |
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 12:00Z, 11.4 hours before the alert went out and 112 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
- 940 J/kg
- Mixed-layer CIN
- -218 J/kg
- Mixed-layer LCL
- 1786 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
400
WGUS53 KDVN 102321
FFWDVN
ILC155-110215-
/O.NEW.KDVN.FF.W.0002.150610T2321Z-150611T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
621 PM CDT WED JUN 10 2015
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN PUTNAM COUNTY IN NORTH CENTRAL ILLINOIS...
* UNTIL 915 PM CDT
* AT 619 PM CDT...DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF
RAIN HAS ALREADY FALLEN AND ADDITIONAL HEAVY RAIN MAY RESULT IN
ANOTHER ONE TO TWO INCHES THROUGH 730 PM. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MCNABB...MC NABB...PUTNAM AND MAGNOLIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4110 8936 4111 8934 4115 8933 4115 8941
4122 8939 4124 8916 4111 8916
$$
SHEETS2 follow-up statements
886
WGUS73 KDVN 110011
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
711 PM CDT WED JUN 10 2015
ILC155-110215-
/O.CON.KDVN.FF.W.0002.000000T0000Z-150611T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM IL-
711 PM CDT WED JUN 10 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHERN PUTNAM COUNTY...
AT 703 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN FROM A LARGE
THUNDERSTORM COMPLEX AFFECTING FAR SOUTHERN PUTNAM COUNTY. DOPPLER
RADAR INDICATED RAINFALL AMOUNTS OF 3 TO 4 INCHES HAS FALLEN IN THE
PAST 2 HOURS OVER MC NABB AND RURAL AREAS TO THE WEST AND SOUTH.
HEAVY RAINFALL FROM AN INTENSE SEVERE STORM TO THE SOUTH OVER
MARSHALL COUNTY WILL GRADUALLY DIMINISH OVER FAR SOUTHERN PUTNAM
COUNTY THROUGH 8 PM. HOWEVER...RUNOFF FROM THE RECENT HEAVY RAINFALL
WILL CAUSE FLOODING OF SMALL CREEKS AND LOW LYING AREAS THROUGH 9
PM.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MC NABB...MAGNOLIA AND PUTNAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND AS WELL AS
OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4110 8936 4111 8934 4115 8933 4115 8941
4122 8939 4124 8916 4111 8916
$$
SHEETS529
WGUS73 KDVN 110207
FFSDVN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
907 PM CDT WED JUN 10 2015
ILC155-110216-
/O.EXP.KDVN.FF.W.0002.000000T0000Z-150611T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM IL-
907 PM CDT WED JUN 10 2015
...THE FLASH FLOOD WARNING FOR SOUTHERN PUTNAM COUNTY WILL EXPIRE AT
915 PM CDT...
THUNDERSTORMS THAT PRODUCED HEAVY RAIN AND FLASH FLOODING EARLIER
THIS EVENING HAVE MOVED SOUTH OF THE AREA. FLOOD WATERS HAVE
RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR
PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.
LAT...LON 4110 8936 4111 8934 4115 8933 4115 8941
4122 8939 4124 8916 4111 8916
$$
SHEETSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:30 AM CDT | Special Weather Statement | DVN | Mercer | 30 min |
| Jun 10, 5:20 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 40 min |
| Jun 10, 5:56 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 64 min |
Nearby
Flash Flood Warnings in Illinois, 2015Every flash flood warning in 2015
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.