Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 28, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 26, 2004, 3:42 AM CDT for Fayette County, Marion 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
- Aug 26, 2004, 3:42 AM CDT (08:42 UTC)
- Expired
- Aug 26, 2004, 8:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Fayette County, IL, Marion County, IL
The radar
The Evansville,IN radar (KVWX), 127 km from the middle of the area, began a volume at 08:47 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
Davenport, (KDVN), launched 00:00Z, 8.7 hours before the alert went out and 332 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.
- Mixed-layer CAPE
- 1111 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 260851
FFWLSX
ILC051-121-261300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
342 AM CDT THU AUG 26 2004
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS
MARION COUNTY IN SOUTH CENTRAL ILLINOIS
* UNTIL 800 AM CDT
* AT 342 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS
THUNDERSTORMS PRODUCING VERY HEAVY RAIN BETWEEN WRIGHTS CORNER AND
SALEM ILLINOIS. RADAR WAS ESTIMATING THAT BETWEEN 3 AND 4 INCHES
OF RAIN HAVE FALLEN IN THE LAST THREE HOURS FROM NEAR RAMSEY
SOUTHEAST TO NEAR HELM ILLINOIS. EARLIER LAW ENFORCEMENT REPORTED
FLOODING IN LOW LYING AREAS NEAR SALEM ILLINOIS AND ALSO JUST EAST
OF CENTRALIA ILLINOIS.
* FLASH FLOODING CAN BE EXPECTED AS THUNDERSTORMS REPEATEDLY DUMP
HEAVY RAINS OVER THIS AREA DURING THE NEXT COUPLE OF HOURS WITH
ADDITIONAL RAIN AMOUNTS OF BETWEEN 1 AND 3 INCHES LIKELY.
IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER
GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. ACT QUICKLY IF FLASH FLOODING IS OBSERVED. MOVE
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3920 8883 3893 8882 3881 8872 3849 8871
3852 8911 3871 8913 3885 8921 3920 8920
$$
GKS2 follow-up statements
000 WGUS73 KLSX 261200 FFSLSX ILC051-121-261300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 649 AM CDT THU AUG 26 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MARION AND FAYETTE COUNTIES UNTIL 800 AM CDT... AT 649 AM CDT...LAW ENFORCEMENT REPORTED SOME MINOR FLOODING OF A FEW ROADS IN MARION AND FAYETTE COUNTIES. WATER WAS COVERING THE ROAD ON HIGHWAY 37 SOUTH OF LA CLEDE...WHILE A NUMBER OF RURAL ROADS SOUTH OF SALEM HAD ANYWHERE FROM 2 TO 6 INCHES OF WATER COVERING THEM. THEY ALSO REPORTED MOST OF THE WATER WAS BEGINNING TO RECEDE. SOME SPOTTY SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THE EARLY MORNING HOURS...HOWEVER THE BULK OF HEAVY FLOOD PRODUCING RAINFALL HAS ENDED...AND WATER SHOULD CONTINUE TO RECEDE. MOTORISTS SHOULD USE CAUTION THIS MORNING AND BE PREPARED FOR SOME STANDING WATER. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS... OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$ FG
000 WGUS73 KLSX 261300 FFSLSX ILC051-121-261330- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 800 AM CDT THU AUG 26 2004 ...FLASH FLOOD WARNING FOR MARION AND FAYETTE COUNTIES HAS EXPIRED... RECENT REPORTS FROM LAW ENFORCEMENT OFFICIALS INDICATED THAT THE HIGH WATER HAS RECEDED AND FLOODING WAS NO LONGER OCCURING. ONLY SOME MINOR STANDING WATER UP TO A FEW INCHES DEEP REMAINDED IN ISOLATED SPOTS ON A SOME RURAL ROADS IN SOUTHEAST MARION COUNTY. THEREFORE THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 4:27 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 48 min |
| Aug 26, 5:18 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 27 min |
Nearby
Flash Flood Warnings in Illinois, 2004Every flash flood warning in 2004
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.