Alert archive / Missouri / Flash Flood Warnings in 2009
Flash Flood Warning 73, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Oct 8, 2009, 7:01 AM CDT for 5 counties in Missouri. It was in force for 6 hr. 14 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 8, 2009, 7:01 AM CDT (12:01 UTC)
- Expired
- Oct 8, 2009, 1:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, MO, Callaway County, MO, Lincoln County, MO, Montgomery County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 90 km from the middle of the area, began a volume at 12:01 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 8, 8:50 AM CDT | FLASH FLOOD | Winfield, MO | MANY ROADS ON THE EAST SIDE OF WINFIELD FLOODED AND IMPASSABLE |
| Oct 8, 8:55 AM CDT | FLASH FLOOD | Winfield, MO | 4 INCHES OF RAINFALL OVER THE ROADWAYS OF HIGHWAY 79 AND CARDINAL ROAD - WEST SIDE OF WINFIELD |
| Oct 8, 9:00 AM CDT | HEAVY RAIN 3.95 | Rhineland, MO | MEASURED AT 9AM...STILL EXPERIENCING HEAVY RAIN |
| Oct 8, 9:45 AM CDT | FLASH FLOOD | Columbia, MO | 8 TO 12 INCHES OF WATER OVER THE ROAD AT THE 9200 BLOCK OF ST CHARLES ROAD EAST |
| Oct 8, 10:00 AM CDT | HEAVY RAIN 2.1 | Rhineland, MO | |
| Oct 8, 10:41 AM CDT | FLASH FLOOD | Columbia, MO | 6 INCHES OF WATER OVER ROUTE E AND TWIN BRIDGES...ROADS CLOSED |
| Oct 8, 11:10 AM CDT | HEAVY RAIN 3.82 | Columbia, MO | 3.82 INCHES MEASURED SO FAR AT SANBORN FIELD AT THE UNIVERSITY OF MISSOURI |
| Oct 8, 11:45 AM CDT | FLOOD | Troy, MO | SEVERAL COUNTY GRAVEL ROADS CLOSED |
| Oct 8, 11:50 AM CDT | FLOOD | Warrenton, MO | HAGGEMAN...DRY FORK AND PINKNEY ROADS ARE CLOSED |
| Oct 8, 12:00 PM CDT | FLASH FLOOD | 3 Wnw Ashland, MO | HIGHWAY DD 3 MILES WEST NORTHWEST OF ASHLAND MISSOURI CLOSED DUE TO HIGH WATER. |
| Oct 8, 12:00 PM CDT | FLASH FLOOD | Fulton, MO | VETERANS PARK STREET...ST LOUIS STREET...AND EWING STREET ARE ALL CLOSED DUE TO 5 TO 8 INCHES OF WATER OVER ROADWAYS |
| Oct 8, 12:00 PM CDT | FLASH FLOOD | Williamsburg, MO | CR 182 AND OLD HIGHWAY 40 ARE CLOSED DUE TO OVER 6 INCHES OF WATER OVER THE ROADWAY |
| Oct 8, 1:09 PM CDT | FLASH FLOOD | 1 Nnw Columbia, MO | COCORAHS OBSERVER REPORTED 4.49 INCHES OF RAINFALL MEASURED 1.4 MILES NORTHWEST OF COLUMBIA ENDING AT 12 NOON. |
| Oct 8, 1:09 PM CDT | HEAVY RAIN 4.49 | 1 Nnw Columbia, MO | COCORAHS OBSERVER REPORTED 4.49 INCHES OF RAINFALL MEASURED 1.4 MILES NORTHWEST OF COLUMBIA ENDING AT 12 NOON. |
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, 0.0 hours before the alert went out and 293 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
- 591 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 160 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 081201
FFWLSX
MOC019-027-113-139-219-081800-
/O.NEW.KLSX.FF.W.0073.091008T1201Z-091008T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
701 AM CDT THU OCT 8 2009
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CALLAWAY COUNTY IN CENTRAL MISSOURI...
LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI...
WARREN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 100 PM CDT THURSDAY
* AT 658 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING ACROSS THE WARNED AREA. MONTGOMERY AND LINCOLN
COUNTY SHERIFF/S DEPARTMENTS REPORTED SEVERAL ROADS FLOODED. UP TO
THREE INCHES OF RAIN HAS FALLEN SO FAR OVER THE AREA WITH AN
ADDITIONAL 1 TO 2 INCHES POSSIBLE IN THE NEXT HOUR OR SO.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ASHLAND...
COLUMBIA...ELSBERRY...FULTON...HOLTS SUMMIT...MONTGOMERY CITY...
TROY...WARRENTON...WELLSVILLE...WRIGHT CITY...AUXVASSE...
BELLFLOWER...BIG SPRING...BUELL...DAVIS...EASLEY...HAWK POINT...
JONESBURG...LAKE MYKEE...MIDWAY...MINEOLA...MOSCOW MILLS...MURRY...
NEW BLOOMFIELD...NEW FLORENCE...SHAMROCK...TRUESDALE...WILLIAMSBURG
AND WINFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
&&
LAT...LON 3911 9250 3907 9211 3906 9165 3908 9164
3914 9119 3923 9118 3922 9074 3896 9070
3890 9098 3870 9098 3871 9174 3858 9208
3876 9236 3899 9256
$$
BYRD1 follow-up statement
000
WGUS73 KLSX 081625
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1125 AM CDT THU OCT 8 2009
MOC019-027-113-139-219-081800-
/O.CON.KLSX.FF.W.0073.000000T0000Z-091008T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN MO-CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-BOONE MO-
1125 AM CDT THU OCT 8 2009
...FLASH FLOOD WARNING FOR REMAINS IN EFFECT FOR SOUTHERN BOONE...
LINCOLN...MONTGOMERY...CALLAWAY AND WARREN COUNTIES UNTIL 100 PM
CDT...
AT 1116 AM CDT...A SERIOUS FLASH FLOOD THREAT WAS DEVELOPING ACROSS
MID MISSOURI. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
RAINFALLS OF 3 TO 4 INCHES HAVE ALREADY OCCURRED IN A BAND FROM
AROUND COLUMBIA TO NEAR TROY...WITH SOME ESTMATES OF NEARLY 5 INCHES
AROUND COLUMBIA. 6 WATER RESCUES HAVE BEEN REPORTED IN BOONE
COUNTY.
HEAVY RAIN WILL CONTINUE INTO THE EARLY AFTERNOON HOURS...AND THEN
THERE MAY BE A BREAK IN THE HEAVIEST RAINFALL. HOWEVER...DO NOT LET
THE BREAK IN THE RAIN FOOL YOU. RUNOFF FROM THE RAIN OF EARLIER
TODAY WILL CONTINUE THE FLASH FLOODING THREAT...AND ON TOP OF THAT
ANOTHER ROUND OF HEAVY DOWNPOURS IS EXPECTED TO RETURN LATER THIS
AFTERNOON AND INTO THE EARLY EVENING HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
INCLUDE...ASHLAND...COLUMBIA...ELSBERRY...FULTON...HOLTS
SUMMIT...MONTGOMERY CITY...TROY...WARRENTON...WELLSVILLE...WRIGHT
CITY...AUXVASSE...BELLFLOWER...BIG
SPRING...BUELL...DAVIS...EASLEY...HAWK POINT...JONESBURG...LAKE
MYKEE...MIDWAY...MINEOLA...MOSCOW MILLS...MURRY...NEW
BLOOMFIELD...NEW FLORENCE...SHAMROCK...TRUESDALE...WILLIAMSBURG AND
WINFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU LIVE IN FLOOD PRONE AREAS...YOU SHOULD BE MOVING TO HIGHER
GROUND NOW
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. IF YOU COME ACROSS A FLOODED ROADWAY...TURN AROUND THE FIND
ANOTHER ROUTE TO YOUR DESTINATION. REMEMBER...NO TRIP IS WORTH YOUR
LIFE.
THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH WILL BE DANGEROUS
THIS AFTERNOON. 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 3911 9250 3907 9211 3906 9165 3908 9164
3914 9119 3923 9118 3922 9074 3896 9070
3890 9098 3870 9098 3871 9174 3858 9208
3876 9236 3899 9256
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 8:51 AM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 4 hr |
| Oct 8, 9:43 AM CDT | Flash Flood Warning | LSX | Cole, Moniteau, Osage | 3 hr |
| Oct 8, 9:58 AM CDT | River Flood Warning | LSX | Lincoln | 55 hr |
| Oct 8, 10:42 AM CDT | Flash Flood Warning | LSX | Audrain, Boone | 3 hr |
| Oct 8, 12:12 PM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more | 6 hr |
| Oct 8, 12:42 PM CDT | Flash Flood Warning | LSX | Lincoln, Saint Charles, Saint Louis, Warren, City of Saint Louis | 5 hr |
| Oct 8, 1:09 PM CDT | Flash Flood Warning | LSX | Franklin, Gasconade | 5 hr |
| Oct 8, 1:12 PM CDT | River Flood Warning | LSX | Osage | 55 hr |
| Oct 8, 1:12 PM CDT | River Flood Warning | LSX | Cole | 66 hr |
| Oct 8, 6:04 PM CDT | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 9 more | 18 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.