Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 21, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 5, 2004, 9:30 PM CDT for Madison County, Saint Clair County, Illinois; Saint Louis County, City of Saint Louis, Missouri. It was in force for 4 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 5, 2004, 9:30 PM CDT (02:30 UTC)
- Expired
- Jul 6, 2004, 1:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 51 km from the middle of the area, began a volume at 02:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 5, 9:38 PM CDT | FLASH FLOOD | Clayton, MO | STRANDED MOTORISTS NEAR THE INTERSECTION OF I 64 AND HAMPTON ROAD.VEHICLES ARE FLOATING |
| Jul 5, 9:40 PM CDT | FLASH FLOOD | Brentwood, MO | WATER 8 INCHES DEEP NEAR THE I 170 AND I 64.MOTORISTS ARE STRANDED AT THIS INTERSECTION |
| Jul 5, 11:30 PM CDT | FLOOD | Brentwood, MO | INTERSTATE 170 NEAR INTERSTATE 64 REMAINS CLOSED AS OF 1130 PM CDT DUE TO HIGH WATER |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.5 hours before the alert went out and 211 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
- 193 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 060231 FFWLSX ILC119-163-MOC189-510-060630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 930 PM CDT MON JUL 5 2004 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS CITY IN EAST CENTRAL MISSOURI SOUTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS NORTHERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS * UNTIL 130 AM CDT * SINCE 730 PM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS HAVE BEEN PRODUCING TORRENTIAL DOWNPOURS IN A NARROW AREA OVER THE BI-STATE AREA...FROM EXTREME SOUTHWEST ST. LOUIS COUNTY...THROUGH ST. LOUIS CITY...TO NEAR OFALLON ILLINOIS. RAINFALLS OF 2 TO 3 INCHES MAY HAVE ALREADY OCCURRED IN SOME AREAS. * FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING FLOOD PRONE AND POORLY DRAINED AREAS IN AND NEAR ST. LOUIS CITY. THIS WILL INCLUDE GLAIZE...DEER...AND SUGAR CREEKS IN ST. LOUIS COUNTY AND DEAD CREEK IN ST. CLAIR COUNTY. 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. LAT...LON 3884 8968 3844 8971 3846 9074 3868 9069 $$ TRUETT/CARNEY
3 follow-up statements
000 WGUS73 KLSX 060251 FFSLSX ILC119-163-MOC189-510-060630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 947 PM CDT MON JUL 5 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR...SOUTHERN MADISON...ST. LOUIS CITY AND ST. LOUIS COUNTIES UNTIL 130 AM... AT 940 PM CDT...LAW ENFORCEMENT REPORTED THAT A MOTORIST WAS STRANDED IN A FLOATING CAR IN HIGH WATER ON HIGHWAY 40 EAST OF HAMPTON. ADDITIONALLY...HIGHWAY 170 WAS CLOSED AT THE HIGHWAY 40 INTERSECTION DUE TO 5 OR MORE INCHES OF WATER ON THE ROAD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS... OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$ CARNEY
000 WGUS73 KLSX 060435 FFSLSX ILC119-163-MOC189-510-060630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1135 PM CDT MON JUL 5 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR... SOUTHWESTERN MADISON...ST. LOUIS CITY AND ST. LOUIS COUNTIES UNTIL 130 AM CDT... AT 1130 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER CHESTERFIELD AND CLARKSON VALLEY. ADDITIONAL THUNDERSTORMS WERE OVER THE CITY OF ST. LOUIS AND NEAR LAMBERT AIRPORT. THESE STORMS WERE MOVING EAST AT AROUND 30 MPH. THE STORMS WILL MOVE OVER AREAS WHICH HAVE ALREADY RECEIVED VERY HEAVY RAIN AND HAVE BEEN REPORTING FLOODING. THE RAINFALL FROM THESE STORMS WILL ONLY ADD TO ANY FLOODING PROBLEMS WHICH ARE ALREADY ONGOING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ CARNEY
000 WGUS73 KLSX 060639 FFSLSX ILC119-163-MOC189-510-060830- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 133 AM CDT TUE JUL 6 2004 ...FLASH FLOOD WARNING FOR ST. CLAIR...MADISON...ST. LOUIS CITY AND ST. LOUIS COUNTIES HAS EXPIRED... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE HEAVY RAINFALL THAT PROMPTED THE WARNING HAS ENDED. SCATTERD THUNDERSTORMS CONTINUE OVER ST. LOUIS COUNTY...HOWEVER THEY ARE NOT EXPECTED TO PRODUCE ENOUGH RAIN THAT WOULD CAUSE FLASH FLOODING TO CONTINUE. NO ADDITIONAL REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED FROM LOCAL AUTHORITIES. $$ JPK
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:07 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 53 min |
| Jul 5, 8:36 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 54 min |
| Jul 5, 8:41 PM CDT | Tornado Warning | LSX | Madison | 34 min |
| Jul 5, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 47 min |
| Jul 5, 9:01 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 59 min |
| Jul 5, 9:22 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 53 min |
| Jul 5, 9:36 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 24 min |
| Jul 5, 9:53 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 67 min |
| Jul 5, 9:59 PM CDT | Tornado Warning | LSX | Marion | 31 min |
| Jul 5, 10:46 PM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair | 44 min |
| Jul 5, 11:14 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 61 min |
| Jul 6, 12:17 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 43 min |
| Jul 6, 7:48 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 42 min |
| Jul 6, 12:47 PM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair, Washington | 43 min |
| Jul 5, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 61 min |
| Jul 5, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 35 min |
| Jul 5, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 50 min |
| Jul 5, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 37 min |
| Jul 5, 7:55 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Washington | 50 min |
| Jul 5, 8:28 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 62 min |
| Jul 5, 8:39 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 21 min |
| Jul 5, 10:06 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 39 min |
| Jul 5, 10:45 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 45 min |
| Jul 5, 11:18 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 12 min |
| Jul 5, 11:31 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 29 min |
Nearby
Flash Flood Warnings in Illinois, 2004Flash Flood Warnings in Missouri, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.