Alert archive / Missouri / Flash Flood Warnings in 2009
Flash Flood Warning 83, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Oct 29, 2009, 3:19 PM CDT for 5 counties in Missouri. It was in force for 6 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
- Oct 29, 2009, 3:19 PM CDT (20:19 UTC)
- Expired
- Oct 29, 2009, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 165 km from the middle of the area, began a volume at 20:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 29, 8:35 PM CDT | FLASH FLOOD | Edina, MO | HWY 11 CLOSED NEAR BARING |
| Oct 29, 8:45 PM CDT | HEAVY RAIN 1.5 | Monticello, MO | HWY 16 WEST OF THE SUGAR CREEK BRIDGE...WATER REPORTED ON ROAD |
| Oct 29, 9:07 PM CDT | FLASH FLOOD | 5 Sse Clarence, MO | STATE ROUTE DD CLOSED DUE TO FLOODING |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 8.3 hours before the alert went out and 216 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 206 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 292019
FFWLSX
MOC103-111-127-137-205-300200-
/O.NEW.KLSX.FF.W.0083.091029T2019Z-091030T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
319 PM CDT THU OCT 29 2009
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KNOX COUNTY IN NORTHEAST MISSOURI...
LEWIS COUNTY IN NORTHEAST MISSOURI...
MARION COUNTY IN NORTHEAST MISSOURI...
MONROE COUNTY IN NORTHEAST MISSOURI...
SHELBY COUNTY IN NORTHEAST MISSOURI...
* UNTIL 900 PM CDT
* AT 314 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL APPROACHING THE WARNING
AREA. RAINFALLS OF ONE TO ONE AND ONE-HALF INCHES HAVE
BEEN REPORTED OVER PARTS OF NORTHEAST MISSOURI OVER THE LAST
12 HOURS...WITH THE HEAVIEST RAINS FALLING ALONG AND
WEST OF A PARIS TO PALMYRA LINE. THE MISSOURI DEPARTMENT OF
TRANSPORTATION REPORTS ROUTE 151 IS ALREADY CLOSED AT THE NORTH
RIVER...JUST SOUTHEAST OF NOVELTY.
A CLUSTER OF THUNDERSTORMS OVER CENTRAL MISSOURI IS PUSHING
NORTH...AND WILL BRING ANOTHER ONE INCH OF RAIN TO SOME AREAS.
AND...ADDITIONAL HEAVY RAINFALL CAN BE EXPECTED DURING THE EVENING
HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CANTON...EDINA...HANNIBAL...MONROE CITY...PALMYRA...PARIS...SANTA
FE...SHELBINA...CLARENCE...COLONY...EMDEN...EWING...GRANVILLE...
GREENSBURG...KNOX CITY...LA BELLE...LA GRANGE...LEWISTOWN...
MADISON...MAUD...MAYWOOD...PHILADELPHIA...PLEVNA...SHELBYVILLE...
STEFFENVILLE...WARREN AND WOODLAWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS... OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING
STREAM... EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.
&&
LAT...LON 4030 9196 4026 9195 4025 9150 4006 9151
4000 9149 3993 9143 3987 9145 3980 9138
3972 9137 3969 9132 3968 9172 3934 9173
3935 9231 3995 9229 3996 9235 4030 9235
$$
TRUETT1 follow-up statement
000
WGUS73 KLSX 292233
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
533 PM CDT THU OCT 29 2009
MOC103-111-127-137-205-300200-
/O.CON.KLSX.FF.W.0083.000000T0000Z-091030T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-MARION MO-SHELBY MO-LEWIS MO-KNOX MO-
533 PM CDT THU OCT 29 2009
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR KNOX...LEWIS...SHELBY...
MARION AND MONROE COUNTIES UNTIL 900 PM CDT...
AT 529 PM CDT...MUCH OF THE RAIN IN THE WARNING AREA HAD DIMINISHED.
HOWEVER...RADAR INDICATES THAT ANOTHER ROUND OF MODERATE TO
OCCASIONALLY HEAVY WILL PUSH ACROSS NORTHEAST MISSOURI BETWEEN
630 PM AND 8 PM THIS EVENING. DUE TO THE SATURATED GROUND...THIS
NEXT ROUND OF HEAVY RAIN WILL MAKE FLASH FLOODING A VERY REAL
POSSIBILITY. AREAS IN AND NEAR EDINA THAT EXPERIENCED THE HEAVY
RAIN EARLIER TODAY WILL BE OF SPECIAL CONCERN.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CANTON...
EDINA...HANNIBAL...MONROE CITY...PALMYRA...PARIS...SANTA FE...
SHELBINA...CLARENCE...COLONY...EMDEN...EWING...GRANVILLE...KNOX
CITY...LA BELLE...LEWISTOWN...MADISON...MAUD...MAYWOOD...
PHILADELPHIA...PLEVNA...SHELBYVILLE...STEFFENVILLE...WARREN AND
WOODLAWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.
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 ONLY TAKES A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.
&&
LAT...LON 4030 9196 4026 9195 4025 9150 4006 9151
4000 9149 3993 9143 3987 9145 3980 9138
3972 9137 3969 9132 3968 9172 3934 9173
3935 9231 3995 9229 3996 9235 4030 9235
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 10:07 AM CDT | River Flood Warning | LSX | Reynolds | 71 hr |
| Oct 29, 3:58 PM CDT | Flash Flood Warning | LSX | Crawford, Franklin, Gasconade, Osage, Washington | 6 hr |
| Oct 29, 4:19 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Pike, Ralls, Saint Charles, Saint Louis and 1 more | 6 hr |
| Oct 29, 4:48 PM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau | 5 hr |
| Oct 29, 4:59 PM CDT | River Flood Warning | LSX | Lincoln | 53 hr |
| Oct 29, 6:14 PM CDT | Flash Flood Warning | LSX | Iron, Reynolds | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 2009Every flash flood warning in 2009
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.