Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 16, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Mar 31, 2008, 3:48 PM CDT for Franklin County, Saint Charles County, Warren County, Missouri. It was in force for 5 hr. 8 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
- Mar 31, 2008, 3:48 PM CDT (20:48 UTC)
- Expired
- Mar 31, 2008, 8:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Franklin County, MO, Saint Charles County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 5 km from the middle of the area, began a volume at 20:49 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 |
|---|---|---|---|
| Mar 31, 3:52 PM CDT | FLASH FLOOD | 3 Sw New Haven, MO | DEEMOUNT ROAD...DEEMOUNT SCHOOL ROAD...DETMOLD ROAD AND HOEMANN ROAD ALL CLOSED BECAUSE OF AT LEAST ONE FOOT OF WATER. |
| Mar 31, 3:56 PM CDT | FLASH FLOOD | O'Fallon, MO | WATER IS OVER ROAD AT INTERSECTION OF T.R. HUGHES AND HIGHWAY 97. |
| Mar 31, 4:25 PM CDT | FLASH FLOOD | 7 S New Haven, MO | WATER OVER HIGHWAY C 1 TO 3 MILES NORTH OF U.S. HIGHWAY 50. |
| Mar 31, 6:05 PM CDT | FLASH FLOOD | Dutzow, MO | HIGHWAY TT 1/2 MILE NORTH OF DUTZOW IS CLOSED BECAUSE OF HIGH WATER. SEVERAL SECONDARY ROADS OVER SOUTHERN WARREN COUNTY ARE ALSO CLOSED. |
| Mar 31, 6:15 PM CDT | FLASH FLOOD | 2 S Foristell, MO | HIGHWAY T 1.5 MILES SOUTH OF FORISTELL IS CLOSED DUE TO HIGH WATER NEAR PERUQUE CREEK. |
| Mar 31, 7:25 PM CDT | FLASH FLOOD | O'Fallon, MO | 3.02 INCHES OF RAINFALL REPORTED. WATER IS OVER HIGHWAY N BETWEEN HIGHWAY K AND WIESE ROAD. |
| Mar 31, 8:40 PM CDT | FLOOD | Dutzow, MO | HIGHWAY TT - 1 TO 2 MILES NORTHEAST OF DUTZOW REMAINS CLOSED. |
| Mar 31, 8:42 PM CDT | FLOOD | 7 Sw New Haven, MO | STONE CHURCH ROAD AT BOEUF CREEK REMAINS CLOSED. |
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 12:00Z, 8.8 hours before the alert went out and 237 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
- -165 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 259 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 312048
FFWLSX
MOC071-183-219-010145-
/O.NEW.KLSX.FF.W.0016.080331T2048Z-080401T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT MON MAR 31 2008
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
SOUTHERN WARREN COUNTY IN EAST CENTRAL MISSOURI
* UNTIL 845 PM CDT
* AT 345 PM CDT...THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE
REPORTED OVER THE WARNED AREA. AROUND TWO INCHES OF RAIN HAS
FALLEN ACROSS THE WARNED AREA.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING HARVESTER...WRIGHT CITY...WEST ALTON...WENTZVILLE...ST.
PETERS...ST. PAUL...ST. CHARLES...PORTAGE DES SIOUX...ORCHARD
FARMS...OFALLON...LAKE ST. LOUIS...DARDENNE PRAIRIE AND
COTTLEVILLE.
DO NOT 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. MOVE TO HIGHER GROUND.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.
LAT...LON 3821 9137 3869 9137 3888 9095 3888 9081
3892 9076 3893 9066 3887 9057 3895 9048
3896 9041 3887 9017 3883 9013 3882 9019
3889 9032 3883 9037 3882 9046 3869 9055
3868 9068 3821 9110
TIME...MOT...LOC 2048Z 180DEG 0KT 3875 9065
$$
TILLY1 follow-up statement
000
WGUS73 KLSX 312314
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
613 PM CDT MON MAR 31 2008
ILC013-MOC071-183-189-219-010145-
/O.CON.KLSX.FF.W.0016.000000T0000Z-080401T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALHOUN IL-FRANKLIN MO-ST. LOUIS MO-ST. CHARLES MO-WARREN MO-
613 PM CDT MON MAR 31 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHERN WARREN...ST. CHARLES...NORTHERN ST. LOUIS...FRANKLIN AND
SOUTHEASTERN CALHOUN COUNTIES...
AT 608 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED WIDESPREAD
FLASH FLOODING OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WRIGHT
CITY...WEST ALTON...WENTZVILLE...ST. PETERS...ST. PAUL...ST.
CHARLES...PORTAGE DES SIOUX...ORCHARD FARMS...OFALLON...LAKE ST.
LOUIS...DARDENNE PRAIRIE AND COTTLEVILLE.
ADDITIONAL RAINFALL AMOUNTS OF AROUND ONE HALF INCH ARE POSSIBLE
IN THE WARNED AREA.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
LAT...LON 3821 9137 3869 9137 3888 9095 3888 9081
3892 9076 3893 9066 3887 9057 3895 9048
3896 9041 3887 9017 3883 9013 3882 9019
3889 9032 3883 9037 3882 9046 3869 9055
3868 9068 3821 9110
TIME...MOT...LOC 2313Z 180DEG 0KT 3875 9065
$$
TILLYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 6:33 AM CDT | Severe Thunderstorm Warning | LSX | Knox, Shelby | 42 min |
| Mar 31, 7:06 AM CDT | Severe Thunderstorm Warning | LSX | Knox, Lewis, Marion, Shelby | 24 min |
| Mar 31, 9:11 AM CDT | River Flood Warning | LSX | Cole | 35 hr |
| Mar 31, 11:29 AM CDT | River Flood Warning | LSX | Franklin, Jefferson | 4 days |
| Mar 31, 11:29 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 5 days |
| Mar 31, 11:29 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 6 days |
| Mar 31, 11:29 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 6 days |
| Mar 31, 12:11 PM CDT | River Flood Warning | LSX | Jefferson | 4 days |
| Mar 31, 12:11 PM CDT | River Flood Warning | LSX | Franklin | 3 days |
| Mar 31, 1:00 PM CDT | River Flood Warning | LSX | Pike | 24 hr |
| Mar 31, 1:00 PM CDT | River Flood Warning | LSX | Pike | 24 hr |
| Mar 31, 1:00 PM CDT | River Flood Warning | LSX | Lincoln | 24 hr |
| Mar 31, 1:00 PM CDT | River Flood Warning | LSX | Saint Charles | 32 hr |
| Mar 31, 1:24 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 66 min |
| Mar 31, 2:27 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Warren | 48 min |
| Mar 31, 2:50 PM CDT | Flash Flood Warning | LSX | Cole, Gasconade, Osage | 4 hr |
| Mar 31, 4:25 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 50 min |
| Mar 31, 4:37 PM CDT | River Flood Warning | LSX | Osage | 24 hr |
| Mar 31, 4:43 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 32 min |
| Mar 31, 4:50 PM CDT | Flash Flood Warning | LSX | Crawford | 4 hr |
| Mar 31, 6:44 PM CDT | Flash Flood Warning | LSX | Cole, Gasconade, Osage | 5 hr |
Nearby
Flash Flood Warnings in Missouri, 2008Every flash flood warning in 2008
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.