Alert archive / Illinois / Flash Flood Warnings in 2003
Flash Flood Warning 25, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 26, 2003, 1:41 AM CDT for Macoupin County, Madison County, Saint Clair 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
- Jun 26, 2003, 1:41 AM CDT (06:41 UTC)
- Expired
- Jun 26, 2003, 7:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Macoupin County, IL, Madison County, IL, Saint Clair County, IL
The radar
The St Louis radar (KLSX), 68 km from the middle of the area, began a volume at 06:42 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, 6.7 hours before the alert went out and 183 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
- 843 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1649 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 260644 FFWLSX ILC117-119-163-261245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 141 AM CDT THU JUN 26 2003 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... EXTREME SOUTHERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS MADISON COUNTY IN SOUTHWEST ILLINOIS ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS * UNTIL 745 AM CDT * AT 141 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN IN AND AROUND SMITHTON AND FREEBURG IN ST CLAIR COUNTY. THE MODERATE TO HEAVY RAIN WILL CONTINUE FOR THE NEXT SEVERAL HOURS. * FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING THE CITIES OF MADISON AND GRANITE CITY. IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE ROADWAY. DO NOT DRIVE AROUND BARRICADES IF YOUR VEHICLE STALLS... ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. 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. $$ WDB
2 follow-up statements
000 WGUS73 KLSX 261019 FFSLSX ILC117-119-133-163-MOC099-183-189-510-261215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 520 AM CDT THU JUN 26 2003 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR ST. CHARLES... JEFFERSON...MONROE...AND ST. LOUIS COUNTY AND CITY...UNTIL 715 AM. A FLASH FLOOD WARNING ALSO CONTINUES FOR SOUTHERN MACOUPIN...MADISON...AND ST CLAIR COUNTIES UNTIL 745 AM. ALTHOUGH THE HEAVY RAINS ENDED EARLIER THIS MORNING...FLOODING PROBLEMS WILL LINGER ACROSS SECTIONS OF THE ST. LOUIS METRO AREA THIS MORNING. RUSH HOUR MOTORISTS SHOULD REMAIN ALERT. BE ESPECIALLY WATCHFUL IN THOSE AREAS THAT ARE PRONE TO FLOODING DURING TIMES OF HEAVY RAIN. ALSO...USE CAUTION WHEN ENTERING CONSTRUCTIONS ZONES. ROAD WORK OFTEN DISRUPTS DRAINAGE WHICH CAN LEAD TO FLOODING. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS... OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. RADAR INDICATES BETWEEN 2 TO 4 INCHES OF RAIN FELL ACROSS THE ST. LOUIS AREA OVERNIGHT...AND A FEW ISOLATED SPOTS MAY HAVE PICKED UP NEARLY 5 INCHES OF RAIN. $$ TRUETT
000 WGUS73 KLSX 261218 FFSLSX ILC117-119-133-163-MOC099-183-189-510-261245- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 715 AM CDT THU JUN 26 2003 ...FLASH FLOOD WARNING FOR ST CHARLES...ST LOUIS...JEFFERSON... MONROE...MADISON...ST CLAIR AND MADISON COUNTIES AS WELL AS THE CITY OF ST LOUIS HAS BEEN CANCELLED... WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS AND HEAVY RAIN WHICH PROMPTED THE FLASH FLOOD WARNING HAVE ENDED...AND NO ADDITIONAL RAIN IS EXPECTED. A CHECK WITH THE ST CHARLES...ST LOUIS...JEFFERSON...ST CLAIR...MADISON...MONROE AND MACOUPIN COUNTY SHERIFFS DEPARTMENTS INDICATED THAT EITHER NO ADDITIONAL FLOODING HAD BEEN REPORTED SINCE AROUND 3 AM OR NO FLOODING WAS REPORTED ALTOGETHER. NATIONAL WEATHER SERVICE DOPPLER RADAR...ALONG WITH OBSERVATIONS LOCATED AT AIRPORTS AND COOPERATIVE OBSERVERS INDICATED BETWEEN 2 AND 4 INCHES OF RAINFALL HAD FALLEN IN ABOUT A 6 HOUR SPAN LAST NIGHT...WITH SOME LOCALIZED AREAS AS MUCH AS 5 INCHES. ALTHOUGH THE HEAVY RAINS HAVE LEFT...MOTORISTS SHOULD CONTINUE TO USE CAUTION WHILE DRIVING THROUGH AREAS THAT HAVE EXPERIENCED FLOODING. ROADS AND BRIDGES MAY HAVE BEEN DAMAGED BY RAPIDLY FLOWING FLOOD WATERS. $$ TES
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 12:28 AM CDT | Flash Flood Warning | LSX | Calhoun, Jersey | 3 hr |
| Jun 26, 1:13 AM CDT | Flash Flood Warning | LSX | Monroe | 6 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.