Alert archive / Illinois / Flash Flood Warnings in 2017
Flash Flood Warning 4, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Apr 29, 2017, 7:47 PM 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
- Apr 29, 2017, 7:47 PM CDT (00:47 UTC)
- Expired
- Apr 30, 2017, 1:45 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 Chicago radar (KLOT), 112 km from the middle of the area, began a volume at 00:48 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, 0.8 hours before the alert went out and 111 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 726 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
443
WGUS53 KDVN 300047
FFWDVN
ILC011-155-300645-
/O.NEW.KDVN.FF.W.0004.170430T0047Z-170430T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Quad Cities IA/IL
747 PM CDT SAT APR 29 2017
The National Weather Service in the Quad Cities has issued a
* Flash Flood Warning for...
Putnam County in north central Illinois...
Southeastern Bureau County in north central Illinois...
* Until 145 AM CDT
* At 746 PM CDT, local law enforcement officials reported heavy rain
across the warned area, with water on portions of Highways 89, 18,
and 71 in Putnam County . Up to three inches of rain have already
fallen, with an additional inch or more possible.
* Some locations that will experience flooding include...
Hennepin, Spring Valley, DePue, Granville, Ladd, Dalzell, McNabb,
Putnam, Mark, Cherry, Seatonville, Magnolia, Standard, Spring
Valley Airport, Ottville and Florid.
This includes the following highways...
Interstate 80 in Illinois between mile markers 68 and 72.
Interstate 180 near mile marker 1.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4110 8935 4112 8933 4115 8933 4115 8943
4135 8931 4146 8917 4111 8916
$$
RP KINNEY2 follow-up statements
370
WGUS73 KDVN 300121
FFSDVN
Flash Flood Statement
National Weather Service Quad Cities IA/IL
821 PM CDT SAT APR 29 2017
ILC011-155-300645-
/O.CON.KDVN.FF.W.0004.000000T0000Z-170430T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Putnam IL-Bureau IL-
821 PM CDT SAT APR 29 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR
PUTNAM AND SOUTHEASTERN BUREAU COUNTIES...
At 818 PM CDT, Doppler radar indicated heavy rain was starting to
taper off across the warned area. Isolated 3 to 4 inch rainfall
amounts have fallen so far, and the threat of flash flooding will
continue through late evening. At 740 pm, law enforcement reported
water on portions of Highways 89, 18, and 71 in Putnam County.
Some locations that will experience flooding include...
Hennepin, Spring Valley, DePue, Granville, Ladd, Dalzell, McNabb,
Putnam, Mark, Cherry, Seatonville, Magnolia, Standard, Spring Valley
Airport, Ottville and Florid.
Cedar Creek and Sandy Creek will be prone to flash flooding.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4110 8935 4112 8933 4115 8933 4115 8943
4135 8931 4146 8917 4111 8916
$$
RP KINNEY644
WGUS73 KDVN 300338
FFSDVN
Flash Flood Statement
National Weather Service Quad Cities IA/IL
1038 PM CDT SAT APR 29 2017
ILC011-155-300347-
/O.CAN.KDVN.FF.W.0004.000000T0000Z-170430T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Putnam IL-Bureau IL-
1038 PM CDT SAT APR 29 2017
...THE FLASH FLOOD WARNING FOR PUTNAM AND SOUTHEASTERN BUREAU
COUNTIES IS CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4110 8935 4112 8933 4115 8933 4115 8943
4135 8931 4146 8917 4111 8916
$$
RP KINNEYThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 9:34 AM CDT | River Flood Warning | DVN | Henry | 4 days |
Nearby
Flash Flood Warnings in Illinois, 2017Every flash flood warning in 2017
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.