Alert archive / Illinois / Flash Flood Warnings in 2001

Flash Flood Warning 6, NWS Lincoln, IL

April 10, 2001Christian County, Illinois

NWS Lincoln, IL issued this flash flood warning at Apr 10, 2001, 10:32 PM CDT for Christian 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 counties it named.

The facts

Issued: Apr 10, 2001, 10:32 PM CDT (03:32 UTC)
Expired: Apr 11, 2001, 1:30 AM CDT
In force: 3 hr
Issued by: NWS Lincoln, IL
Area: Whole counties

County Christian County, IL

The radar

The Lincoln radar (KILX), 67 km from the middle of the area, began a volume at 03:36 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, 3.5 hours before the alert went out and 89 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: 314 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KILX 110335
FFWSPI
ILC021-110630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1032 PM CDT TUE APR 10 2001

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 130 AM CDT

* AT 1026 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED VERY HEAVY RAIN HAS FALLEN OVER NORTHERN AND 
  CENTRAL CHRISTIAN COUNTY. 1-2 INCHES OF RAIN HAS BEEN 
  ESTIMATED SINCE 930 PM CDT.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  MOST OF THE COUNTY THROUGH 1130 PM. RAINFALL AMOUNTS WILL 
  LIKELY RANGE FROM 2 TO 3 INCHES BY 130 AM. THESE RAINFALL AMOUNTS 
  WILL LIKELY PRODUCE FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF IN A FLOOD PRONE AREA...MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG CREEKS AND STREAMS ARE ESPECIALLY VULNERABLE
TO THE EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED
AREAS BY FOOT OR AUTOMOBILE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO JUDGE HOW
MUCH WATER COVERS ROADWAYS. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

NNNN

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 11:40 PM CDT	Severe Thunderstorm Warning	ILX	Clay	50 min
Apr 11, 12:01 AM CDT	Severe Thunderstorm Warning	ILX	Fulton	59 min
Apr 11, 12:29 AM CDT	Severe Thunderstorm Warning	ILX	Peoria	46 min
Apr 11, 12:52 AM CDT	Severe Thunderstorm Warning	ILX	Mason, Tazewell	53 min
Apr 11, 1:22 AM CDT	Severe Thunderstorm Warning	ILX	Logan	53 min
Apr 11, 1:50 AM CDT	Severe Thunderstorm Warning	ILX	McLean	55 min

Nearby

Flash Flood Warnings in Illinois, 2001 Every flash flood warning in 2001

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.