Alert archive / Illinois / Flash Flood Warnings in 2021

Flash Flood Warning 37, NWS Paducah, KY

July 16, 2021Edwards County, Wabash County, White County, Illinois

NWS Paducah, KY issued this flash flood warning at Jul 16, 2021, 2:17 PM CDT for Edwards County, Wabash County, White County, Illinois. It was in force for 118 min. 1 report 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: Jul 16, 2021, 2:17 PM CDT (19:17 UTC)
Expired: Jul 16, 2021, 4:15 PM CDT
In force: 118 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Flood severity: None

Counties Edwards County, IL, Wabash County, IL, White County, IL

The radar

The Evansville,IN radar (KVWX), 18 km from the middle of the area, began a volume at 19:20 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.

What was reported inside it

Time	Report	Where	Remark
Jul 16, 3:00 PM CDT	FLASH FLOOD	Mount Carmel, IL	FLASH FLOODING WITH WATER OVER ALOT OF ROADWAYS IN AND AROUND MOUNT CARMEL. 1.38 INCHES OF RAINFALL MEASURED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.3 hours before the alert went out and 207 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 139 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

823 
WGUS53 KPAH 161917
FFWPAH
ILC047-185-193-162115-
/O.NEW.KPAH.FF.W.0037.210716T1917Z-210716T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
217 PM CDT Fri Jul 16 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Edwards County in southeastern Illinois...
  Wabash County in southeastern Illinois...
  North Central White County in southeastern Illinois...

* Until 415 PM CDT.

* At 217 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. The expected rainfall rate is 1 
  to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch, 
  with locally higher totals, are possible in the warned area. Flash 
  flooding is 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 Carmel, Albion, Grayville, Lancaster, West Salem, 
  Crossville, Allendale, Bellmont, Bone Gap, Keensburg and Browns.

This includes the following highways...
	Interstate 64 in Illinois between Mile Markers 122 and 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3857 8815 3857 8765 3855 8767 3851 8765
      3848 8774 3846 8776 3845 8773 3841 8774
      3835 8782 3828 8784 3828 8786 3831 8787
      3827 8791 3829 8791 3830 8793 3824 8796
      3826 8799 3821 8798 3813 8815

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

07

1 follow-up statement

685 
WGUS73 KPAH 161953
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
253 PM CDT Fri Jul 16 2021

ILC047-185-193-162115-
/O.CON.KPAH.FF.W.0037.000000T0000Z-210716T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Edwards IL-Wabash IL-White IL-
253 PM CDT Fri Jul 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT THIS 
AFTERNOON FOR EDWARDS, WABASH, AND NORTH CENTRAL WHITE COUNTIES...

At 253 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. The expected rainfall rate is 1 to 2 
inches 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 Carmel, Albion, Grayville, Lancaster, West Salem, 
  Crossville, Allendale, Bellmont, Bone Gap, Keensburg and Browns.

This includes the following highways...
	Interstate 64 in Illinois between Mile Markers 122 and 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3857 8815 3857 8765 3855 8767 3851 8765
      3848 8774 3846 8776 3845 8773 3840 8775
      3835 8782 3828 8784 3828 8786 3831 8787
      3827 8791 3829 8791 3830 8793 3827 8795
      3824 8796 3826 8799 3821 8798 3813 8815

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

07

The 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, 1:09 AM CDT	Flash Flood Warning	PAH	Franklin, Jefferson	6 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, 2:28 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 Considerable damage threat	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, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.