Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 92, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 5, 2008, 8:42 PM CDT for 5 counties in Missouri. It was in force for 6 hr. 1 report 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
- Aug 5, 2008, 8:42 PM CDT (01:42 UTC)
- Expired
- Aug 6, 2008, 2:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, MO, Franklin County, MO, Jefferson County, MO, Saint Francois County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 01:45 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 |
|---|---|---|---|
| Aug 5, 9:03 PM CDT | HEAVY RAIN 3.25 | 3 Ne Cadet, MO | RAINFALL AS OF 9 PM...STILL RAINING |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.7 hours before the alert went out and 278 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
- 3732 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1547 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 20 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 060142
FFWLSX
MOC055-071-099-187-221-060745-
/O.NEW.KLSX.FF.W.0092.080806T0142Z-080806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
842 PM CDT TUE AUG 5 2008
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI
SOUTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
SOUTHWESTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI
NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI
* UNTIL 245 AM CDT WEDNESDAY
* AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS PRODUCING HEAVY RAINFALL. FLASH FLOODING IS LIKELY
ACROSS THE WARNED AREA.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING RICHWOODS...LEASBURG...DE SOTO...CUBA...BOURBON AND
ANTHONIES MILL.
SPOTTERS REPORT MINOR CREEK FLOODING NEAR CADET AND BLACKWELL.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 3799 9153 3821 9154 3821 9138 3822 9137
3821 9062 3804 9042 3799 9033 3790 9045
$$
CVKING1 follow-up statement
000
WGUS73 KLSX 060757
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
257 AM CDT WED AUG 6 2008
MOC055-071-099-187-221-060801-
/O.EXP.KLSX.FF.W.0092.000000T0000Z-080806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. FRANCOIS MO-WASHINGTON MO-CRAWFORD MO-JEFFERSON MO-FRANKLIN MO-
257 AM CDT WED AUG 6 2008
...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN FRANKLIN...
SOUTHWESTERN JEFFERSON...NORTHERN CRAWFORD...NORTHERN WASHINGTON AND
ST. FRANCOIS COUNTIES...
A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN THE AREA.
LAT...LON 3799 9153 3821 9154 3821 9138 3822 9137
3821 9062 3804 9042 3799 9033 3790 9045
$$
TESThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 7:01 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Gasconade, Montgomery, Osage | 29 min |
| Aug 5, 7:31 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Jefferson, Montgomery, Saint Charles, Saint Louis and 1 more | 59 min |
| Aug 5, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 13 min |
| Aug 5, 7:56 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 64 min |
| Aug 5, 8:18 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Jefferson, Washington | 42 min |
| Aug 5, 9:31 PM CDT | River Flood Warning | LSX | Marion | 12 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.