Alert archive / Illinois / Flash Flood Warnings in 2021

Flash Flood Warning 41, NWS Paducah, KY

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

NWS Paducah, KY issued this flash flood warning at Jul 16, 2021, 4:59 PM CDT for Edwards County, Wabash County, White County, Illinois. It was in force for 3 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, 4:59 PM CDT (21:59 UTC)
Expired: Jul 16, 2021, 8:00 PM CDT
In force: 3 hr
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), 25 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 222 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.

694 
WGUS53 KPAH 162159
FFWPAH
ILC047-185-193-170100-
/O.NEW.KPAH.FF.W.0041.210716T2159Z-210717T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
459 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...
  White County in southeastern Illinois...

* Until 800 PM CDT.

* At 459 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. 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, Carmi, Albion, Grayville, Lancaster, Norris City, 
  West Salem, Crossville, Enfield, Allendale, New Haven, Bellmont, 
  Bone Gap, Mill Shoals, Keensburg, Maunie, Browns, Springerton, 
  Burnt Prairie and Phillipstown.

This includes the following highways...
	Interstate 64 in Illinois between Mile Markers 118 and 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3825 8837 3825 8814 3857 8814 3857 8765
      3851 8765 3846 8776 3845 8773 3828 8784
      3831 8787 3826 8799 3811 8798 3810 8802
      3806 8799 3805 8804 3803 8801 3797 8801
      3793 8807 3789 8801 3791 8837

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, 2:17 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 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.