Alert archive / Illinois / Flash Flood Warnings in 2003

Flash Flood Warning 39, NWS Lincoln, IL

July 10, 2003Edgar County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jul 10, 2003, 1:30 AM CDT for Edgar County, Illinois. It was in force for 4 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 10, 2003, 1:30 AM CDT (06:30 UTC)
Expired
Jul 10, 2003, 5:30 AM CDT
In force
4 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Edgar County, IL

The radar

The Indianapolis radar (KIND), 123 km from the middle of the area, began a volume at 06:34 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, 6.5 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2003-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3530 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 2003-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
3530 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 100635
FFWILX
ILC045-101030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
130 AM CDT THU JUL 10 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 530 AM CDT

* AT 124 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN ALONG AND NORTH OF A BROCTON TO PARIS
  LINE. DOPPLER RAINFALL ESTIMATES IN THIS AREA RANGE FROM 3 TO 4
  INCHES SINCE THE RAINS BEGAN WEDNESDAY AFTERNOON. RAINFALL RATES
  THROUGH THE REMAINDER OF THE EARLY MORNING HOURS WILL BE LIGHTER
  ACROSS THE AREA...HOWEVER...ANY ADDITIONAL RAINFALL FROM THIS POINT
  ON WILL ONLY AGGREVATE THE FLOODING SITUATION. 

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.

LAT...LON 3986 8759 3948 8756 3950 8793 3988 8793

$$

SMITH
NNNN
1 follow-up statement
000 
WGUS73 KILX 101032
FFSILX
ILC045-101045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
531 AM CDT THU JUL 10 2003

...THE FLASH FLOOD WARNING FOR EDGAR COUNTY HAS BEEN ALLOWED TO
EXPIRE...

THE HEAVY RAINFALL AND FLASH FLOOD THREAT HAS ENDED ACROSS THE 
WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO 
EXPIRE.

$$

SMITH
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:02 PM CDTSevere Thunderstorm WarningILXVermilion43 min
Jul 9, 7:04 PM CDTSevere Thunderstorm WarningILXTazewell56 min
Jul 9, 7:12 PM CDTSevere Thunderstorm WarningILXTazewell48 min
Jul 9, 7:13 PM CDTSevere Thunderstorm WarningILXMason62 min
Jul 9, 7:22 PM CDTFlash Flood WarningILXEdgar6 hr
Jul 9, 7:24 PM CDTSevere Thunderstorm WarningILXPeoria66 min
Jul 9, 7:55 PM CDTFlash Flood WarningILXMason6 hr
Jul 9, 8:00 PM CDTSevere Thunderstorm WarningILXDeWitt60 min
Jul 9, 8:00 PM CDTTornado WarningILXMason60 min
Jul 9, 8:21 PM CDTFlash Flood WarningILXPiatt6 hr
Jul 9, 8:40 PM CDTFlash Flood WarningILXDeWitt, Logan5 hr
Jul 9, 9:05 PM CDTFlash Flood WarningILXPeoria, Tazewell6 hr
Jul 9, 9:14 PM CDTFlash Flood WarningILXFulton, Knox6 hr
Jul 9, 9:29 PM CDTFlash Flood WarningILXDouglas6 hr
Jul 9, 9:54 PM CDTTornado WarningILXFulton66 min
Jul 9, 9:55 PM CDTSevere Thunderstorm WarningILXSchuyler50 min
Jul 9, 10:22 PM CDTFlash Flood WarningILXCumberland6 hr
Jul 9, 11:15 PM CDTFlash Flood WarningILXChampaign, McLean, Vermilion, Woodford7 hr
Jul 10, 1:08 AM CDTFlash Flood WarningILXDeWitt, Logan, Mason, Piatt5 hr

Nearby

Flash Flood Warnings in Illinois, 2003Every flash flood warning in 2003

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.