Alert archive / Illinois / Flash Flood Warnings in 2001

Flash Flood Warning 5, NWS Lincoln, IL

February 24, 2001Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this flash flood warning at Feb 24, 2001, 8:19 PM CST for Champaign County, Vermilion 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 counties it named.

The facts

Issued: Feb 24, 2001, 8:19 PM CST (02:19 UTC)
Expired: Feb 25, 2001, 2:00 AM CST
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Champaign County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 117 km from the middle of the area, began a volume at 02:22 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, 2.3 hours before the alert went out and 54 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 466 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 630 m²/s²
0-3 km storm-relative helicity: 746 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 250219
FFWSPI
ILC019-183-250800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
819 PM CST SAT FEB 24 2001

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS
  CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 200 AM CST

* AT 806 PM CST...CHAMPAIGN COUNTY SHERIFF REPORTED WATER OVER 
  A NUMBER OF COUNTY ROADS. SIGNS HAVE BEEN PUT OUT ON SOME 
  ROADS TO STOP VEHICLE TRAFFIC THROUGH THE FLOODED AREAS. 

  NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED AS MUCH AS 
  2 INCHES OF RAIN HAD FALLEN OVER THE REGION TODAY.  

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE TO MOVE
  ACROSS THE CHAMPAIGN AND VERMILION COUNTY AREAS THROUGH 
  MIDNIGHT. ADDITIONAL RAINFALL AMOUNTS OF BETWEEN 1/2 INCH AND 
  1 INCH WILL BE POSSIBLE IN THESE AREAS. THESE RAINFALL AMOUNTS 
  WILL LIKELY PRODUCE FLASH FLOODING.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO AREAS IN WHICH WATER COVERS THE ROADWAY. IT ONLY TAKES A
FOOT OR TWO OF WATER TO WASH MOST VEHICLES AWAY. VEHICLES CAUGHT IN
RISING WATERS SHOULD BE ABANDONED QUICKLY.

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.

GOETSCH

NNNN

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.