Alert archive / Illinois / Flash Flood Warnings in 2021
Flash Flood Warning 32, NWS Paducah, KY
NWS Paducah, KY issued this flash flood warning at Jul 16, 2021, 1:09 AM CDT for Franklin County, Jefferson 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
- Jul 16, 2021, 1:09 AM CDT (06:09 UTC)
- Expired
- Jul 16, 2021, 7:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Franklin County, IL, Jefferson County, IL
The radar
The Paducah radar (KPAH), 115 km from the middle of the area, began a volume at 06:09 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 00:00Z, 6.2 hours before the alert went out and 235 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
- 8 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
331
WGUS53 KPAH 160609
FFWPAH
ILC055-081-161215-
/O.NEW.KPAH.FF.W.0032.210716T0609Z-210716T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
109 AM CDT Fri Jul 16 2021
The National Weather Service in Paducah has issued a
* Flash Flood Warning for...
Northern Franklin County in south central Illinois...
Southern Jefferson County in south central Illinois...
* Until 715 AM CDT Friday.
* At 109 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 2 to 3 inches in 1
hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Mount Vernon, Rend Lake Area, Sesser, Valier, Ina, North City,
Waltonville, Bonnie, Belle Rive, Ewing and Nason.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3796 8917 3800 8914 3801 8914 3802 8914
3803 8915 3806 8912 3809 8912 3811 8913
3812 8913 3813 8915 3826 8914 3832 8870
3808 8871 3796 8916
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
DAVEB1 follow-up statement
868
WGUS73 KPAH 161021
FFSPAH
Flash Flood Statement
National Weather Service Paducah KY
521 AM CDT Fri Jul 16 2021
ILC055-161031-
/O.CAN.KPAH.FF.W.0032.000000T0000Z-210716T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin IL-
521 AM CDT Fri Jul 16 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN FRANKLIN COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3813 8915 3826 8914 3832 8870 3813 8871
$$
ILC081-161215-
/O.CON.KPAH.FF.W.0032.000000T0000Z-210716T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson IL-
521 AM CDT Fri Jul 16 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT THIS
MORNING FOR SOUTHERN JEFFERSON COUNTY...
At 521 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 4 inches of rain have
fallen, with the most rainfall in the western half of the county.
The expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional
rainfall amounts up to 1 inch are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Mount Vernon, Rend Lake Area, Ina, Waltonville, Bonnie, Belle Rive
and Nason.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3813 8915 3826 8914 3832 8870 3813 8871
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR
$$
DAVEBThe office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 10:01 PM CDT | Special Weather Statement | PAH | Franklin, Williamson | 44 min |
| Jul 15, 11:11 PM CDT | Areal Flood Advisory | PAH | Perry | 17 min |
| Jul 15, 11:28 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| Jul 16, 2:19 AM CDT | Flash Flood Warning | PAH | Perry | 6 hr |
| Jul 16, 6:23 AM CDT | Flash Flood Warning | PAH | Jefferson | 6 hr |
| Jul 16, 7:52 AM CDT | Areal Flood Advisory | PAH | Jefferson, Saline | 4 min |
| Jul 16, 8:11 AM CDT | Areal Flood Advisory | PAH | Jefferson | 110 min |
| Jul 16, 12:14 PM CDT | Special Weather Statement | PAH | Jefferson | 46 min |
| Jul 16, 12:43 PM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jefferson, Wayne | 2 hr |
| Jul 16, 12:58 PM CDT | Special Weather Statement | PAH | Hamilton | 47 min |
| Jul 16, 1:21 PM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Jefferson | 114 min |
| Jul 16, 1:50 PM CDT | Areal Flood Advisory | PAH | Edwards, Wabash | 115 min |
| Jul 16, 2:04 PM CDT | Flash Flood Warning | PAH | Hamilton, Wayne, White | 116 min |
| Jul 16, 2:17 PM CDT | Flash Flood Warning | PAH | Edwards, Wabash, White | 118 min |
| Jul 16, 2:28 PM CDT | Areal Flood Advisory | PAH | Jackson, Perry | 3 hr |
| Jul 16, 3:16 PM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jefferson, Wayne | 3 hr |
| Jul 16, 3:25 PM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Jefferson, Perry | 3 hr |
| Jul 16, 4:04 PM CDT | Flash Flood Warning | PAH | Perry | 2 hr |
| Jul 16, 4:28 PM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Wayne | 3 hr |
| Jul 16, 4:46 PM CDT | Areal Flood Advisory | PAH | Jackson, Saline, Williamson | 119 min |
| Jul 16, 4:59 PM CDT | Flash Flood Warning | PAH | Edwards, Wabash, White | 3 hr |
| Jul 16, 6:12 PM CDT | Areal Flood Warning | PAH | Perry | 13 hr |
Nearby
Flash Flood Warnings in Illinois, 2021Every flash flood warning in 2021
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.