Alert archive / Illinois / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 28, 2017, 3:19 PM CDT for Bond County, Montgomery County, Illinois. It was in force for 4 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 28, 2017, 3:19 PM CDT (20:19 UTC)
- Expired
- Apr 28, 2017, 7:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bond County, IL, Montgomery County, IL
The radar
The St Louis radar (KLSX), 113 km from the middle of the area, began a volume at 20:20 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
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 146 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
- 912 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
655
WGUS53 KLSX 282019
FFWLSX
ILC005-135-290045-
/O.NEW.KLSX.FF.W.0002.170428T2019Z-170429T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
319 PM CDT FRI APR 28 2017
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Northern Bond County in south central Illinois...
Southeastern Montgomery County in south central Illinois...
* Until 745 PM CDT.
* At 319 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Coffeen, Sorento, Reno, Van Burensburg, Panama, Fillmore,
Donnellson and Chapman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3899 8926 3888 8963 3900 8964 3900 8959
3902 8959 3914 8925 3900 8925
$$
Tilly1 follow-up statement
114
WGUS73 KLSX 290039
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
739 PM CDT FRI APR 28 2017
ILC005-135-290049-
/O.EXP.KLSX.FF.W.0002.000000T0000Z-170429T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bond IL-Montgomery IL-
739 PM CDT FRI APR 28 2017
...THE FLASH FLOOD WARNING FOR NORTHERN BOND AND SOUTHEASTERN
MONTGOMERY COUNTIES WILL EXPIRE AT 745 PM CDT...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3899 8926 3888 8963 3900 8964 3900 8959
3902 8959 3914 8925 3900 8925
$$
GosselinNearby
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.