Alert archive / Illinois / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Lincoln, IL

July 5, 2000Clay County, Effingham County, Richland County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 5, 2000, 2:00 AM CDT for Clay County, Effingham County, Richland 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
Jul 5, 2000, 2:00 AM CDT (07:00 UTC)
Expired
Jul 5, 2000, 4:30 AM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Clay County, IL, Effingham County, IL, Richland County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.0 hours before the alert went out and 147 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2000-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2311 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2311 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 050701
FFWILX
ILC025-049-159-050930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
200 AM CDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN EAST CENTRAL ILLINOIS
  CLAY COUNTY IN SOUTHEAST ILLINOIS
  RICHLAND COUNTY IN SOUTHEAST ILLINOIS

* UNTIL 430 AM CDT

* AT 155 AM CDT...FLASH FLOODING WAS REPORTED FROM EFFINGHAM COUNTY
  SHERIFF. MANY HIGHWAYS ACROSS EFFINGHAM COUNTY ARE FLOODED. FLOOD
  WATERS HAVE BEEN REPORTED TO BE THREATENING HOMES IN DIETRICH.
  NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS A LINE OF STRONG
  THUNDERSTORMS EXTENDING FROM EFFINGHAM COUNTY SOUTHEASTWARD INTO
  EASTERN CLAY COUNTY AND RICHLAND COUNTY. RADAR ESTIMATES RAINFALL
  RATES OF UP TO 1.5 INCHES PER HOUR IN NORTHEASTERN CLAY COUNTY.
  RAINFALL TOTALS ARE ESTIMATED TO ALREADY TOP 3 INCHES ACROSS
  PORTIONS OF EASTERN EFFINGHAM COUNTY.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  SOUTHEASTERN ILLINOIS THROUGH 4 AM. THESE RAINFALL AMOUNTS
  COMBINED WITH EARLIER RAINS WILL LIKELY PRODUCE FLASH FLOODING.

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 THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE. STAY TUNED FOR LATER STATEMENTS.

PLAHMER
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 4:30 AM CDTFlash Flood WarningILXEffingham90 min
Jul 5, 7:55 AM CDTFlash Flood WarningILXEffingham, Jasper2 hr
Jul 5, 8:57 AM CDTFlash Flood WarningILXClay, Effingham, Jasper, Lawrence, Richland, Shelby4 hr
Jul 5, 3:14 PM CDTSevere Thunderstorm WarningILXSchuyler61 min
Jul 5, 3:55 PM CDTSevere Thunderstorm WarningILXCass, Mason, Morgan50 min
Jul 5, 3:55 PM CDTSevere Thunderstorm WarningILXFulton50 min
Jul 5, 3:55 PM CDTSevere Thunderstorm WarningILXScott50 min
Jul 5, 4:40 PM CDTSevere Thunderstorm WarningILXCass, Mason, Menard, Sangamon65 min
Jul 5, 4:40 PM CDTSevere Thunderstorm WarningILXMorgan65 min
Jul 5, 5:25 PM CDTSevere Thunderstorm WarningILXChristian65 min
Jul 5, 6:00 PM CDTSevere Thunderstorm WarningILXShelby60 min
Jul 5, 6:21 PM CDTSevere Thunderstorm WarningILXEffingham54 min
Jul 5, 6:59 PM CDTSevere Thunderstorm WarningILXJasper61 min

Nearby

Flash Flood Warnings in Illinois, 2000Every flash flood warning in 2000

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.