Alert archive / Illinois / Flash Flood Warnings in 2001

Flash Flood Warning 28, NWS Lincoln, IL

July 9, 2001Effingham County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 9, 2001, 5:48 AM CDT for Effingham 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: Jul 9, 2001, 5:48 AM CDT (10:48 UTC)
Expired: Jul 9, 2001, 12:00 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Whole counties

County Effingham County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.8 hours before the alert went out and 121 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: 623 J/kg
Mixed-layer CIN: -272 J/kg
Mixed-layer LCL: 1903 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 091049
FFWSPI

ILC049-091700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
548 AM CDT MON JUL 9 2001

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 1200 PM CDT

* AT 548 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN NEAR EFFINGHAM. TWO TO THREE INCHES OF
  RAIN HAS BEEN ESTIMATED SINCE 430 AM.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  EFFINGHAM. RAINFALL AMOUNTS WILL LIKELY RANGE FROM TWO TO
  FIVE INCHES BY 900 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.

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.

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.

$$
EH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 11:00 PM CDT	Flash Flood Warning	ILX	Edgar	4 hr
Jul 8, 11:58 PM CDT	Flash Flood Warning	ILX	Clark	3 hr
Jul 9, 12:50 AM CDT	Flash Flood Warning	ILX	Coles	3 hr
Jul 9, 12:55 AM CDT	Flash Flood Warning	ILX	Crawford, Jasper	4 hr
Jul 9, 2:45 AM CDT	Flash Flood Warning	ILX	Clark, Coles, Douglas, Edgar	3 hr
Jul 9, 3:55 AM CDT	Flash Flood Warning	ILX	Lawrence	4 hr
Jul 9, 4:55 AM CDT	Flash Flood Warning	ILX	Crawford, Jasper	4 hr
Jul 9, 6:00 AM CDT	Flash Flood Warning	ILX	Clark	3 hr
Jul 9, 6:33 AM CDT	Flash Flood Warning	ILX	Clay	4 hr

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.