Alert archive / Missouri / Flash Flood Warnings in 2002
Flash Flood Warning 16, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 12, 2002, 9:19 PM CDT for 14 counties in Missouri; 13 counties in Illinois. It was in force for 5 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
- May 12, 2002, 9:19 PM CDT (02:19 UTC)
- Expired
- May 13, 2002, 2:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
All 27 counties
Bond County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Saint Clair County, IL, Washington County, IL, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Lincoln County, MO, Moniteau County, MO, Montgomery County, MO, Osage County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 10 km from the middle of the area, began a volume at 02:22 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, 2.3 hours before the alert went out and 231 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
- 6 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 130219 FFWSTL ILC005-013-027-051-061-083-117-119-121-133-135-163-189-MOC019-027- 051-071-073-099-113-135-139-151-183-189-219-510-130700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 802 PM CDT SUN MAY 12 2002 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... BOONE COUNTY IN CENTRAL MISSOURI CALLAWAY COUNTY IN CENTRAL MISSOURI COLE COUNTY IN CENTRAL MISSOURI MONITEAU COUNTY IN CENTRAL MISSOURI OSAGE COUNTY IN CENTRAL MISSOURI FRANKLIN COUNTY IN EAST CENTRAL MISSOURI GASCONADE COUNTY IN EAST CENTRAL MISSOURI JEFFERSON COUNTY IN EAST CENTRAL MISSOURI LINCOLN COUNTY IN EAST CENTRAL MISSOURI MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS CITY IN EAST CENTRAL MISSOURI WARREN COUNTY IN EAST CENTRAL MISSOURI BOND COUNTY IN SOUTH CENTRAL ILLINOIS CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS MARION COUNTY IN SOUTH CENTRAL ILLINOIS MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS CALHOUN COUNTY IN SOUTHWEST ILLINOIS GREENE COUNTY IN SOUTHWEST ILLINOIS JERSEY COUNTY IN SOUTHWEST ILLINOIS MACOUPIN COUNTY IN SOUTHWEST ILLINOIS MADISON COUNTY IN SOUTHWEST ILLINOIS MONROE COUNTY IN SOUTHWEST ILLINOIS ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS * UNTIL 200 AM CDT * SEVERAL ROUNDS OF HEAVY RAIN HAVE MOVED THROUGH CENTRAL AND EAST CENTRAL MISSOURI...AND SOUTHERN ILLINOIS...THIS AFTERNOON. REGIONAL RADAR DATA INDICATES THAT MORE THUNDERSTORMS WITH HEAVY RAIN WILL BE MOVING ACROSS THE AREA DURING THE REMAINDER OF THE EVENING. DUE TO THE SATURATED GROUND AND HIGH WATER LEVELS...THIS ADDITIONAL HEAVY RAIN WILL MAKE FOR A DANGEROUS FLASH FLOOD SITUATION. * FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING COLUMBIA...JEFFERSON CITY..WARRENTON...THE ST LOUIS METRO AREA...UNION...LITCHFIELD...SALEM...VANDALIA...AND NASHVILLE. IN ADDITION...LOW WATER CROSSINGS ARE TRULY DEATH TRAPS DURING TIMES OF HEAVY RAIN. THEY SHOULD BE AVOIDED AT ALL COSTS 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. THOSE CAMPING NEAR SMALL STREAMS SHOULD MOVE TO HIGHER GROUND AT ONCE. WATER LEVELS MAY RISE RAPIDLY WITH LITTLE OR NO WARNING...EVEN IF THE HEAVY RAINS ARE WELL UPSTREAM OF YOUR CAMPSITE.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:02 PM CDT | Severe Thunderstorm Warning | LSX | 58 min | |
| May 12, 7:34 PM CDT | Severe Thunderstorm Warning | LSX | 41 min | |
| May 12, 7:40 PM CDT | Flash Flood Warning | LSX | Crawford, Iron, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more | 6 hr |
| May 12, 8:08 PM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Franklin, Gasconade, Jefferson and 8 more | 6 hr |
| May 13, 1:21 AM CDT | Flash Flood Warning | LSX | Crawford, Iron, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more | 6 hr |
Nearby
Flash Flood Warnings in Missouri, 2002Flash Flood Warnings in Illinois, 2002Every flash flood warning in 2002
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.