Alert archive / Missouri / Flash Flood Warnings in 2009
Flash Flood Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Mar 24, 2009, 1:50 PM CDT for 4 counties in Missouri. It was in force for 6 hr. 4 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 24, 2009, 1:50 PM CDT (18:50 UTC)
- Expired
- Mar 24, 2009, 7:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Audrain County, MO, Boone County, MO, Callaway County, MO, Monroe County, MO
The radar
The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 18:52 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 24, 1:54 PM CDT | FLASH FLOOD | Columbia, MO | WILHITE ROAD...EAST OF EVERT SCHOOL ROAD IS CLOSED DUE TO FLASH FLOODING. |
| Mar 24, 2:06 PM CDT | FLASH FLOOD | Columbia, MO | WILCOX AT TWIN BRIDGES CLOSED DUE TO FLASH FLOODNIG. REPORTED BY BOONE COUNTY PUBLIC WORKS. |
| Mar 24, 2:19 PM CDT | FLASH FLOOD | Sturgeon, MO | FLASH FLOODING NEAR LOW WATER CROSSING ON WILLIAMS ROAD NEAR STURGEON. REPORTED BY BOONE COUNTY PUBLIC WORKS. |
| Mar 24, 5:10 PM CDT | FLASH FLOOD | 2 W Holliday, MO | CONCRETE SLAB WASHED OUT OF LOW WATER CROSSING. TIME ESTIMATED. |
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 12:00Z, 6.8 hours before the alert went out and 273 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
- 2 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1098 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 536 m²/s²
- 0-3 km storm-relative helicity
- 644 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 241850
FFWLSX
MOC007-019-027-137-250045-
/O.NEW.KLSX.FF.W.0003.090324T1850Z-090325T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
150 PM CDT TUE MAR 24 2009
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN AUDRAIN COUNTY IN CENTRAL MISSOURI
BOONE COUNTY IN CENTRAL MISSOURI
NORTHWESTERN CALLAWAY COUNTY IN CENTRAL MISSOURI
MONROE COUNTY IN NORTHEAST MISSOURI
* UNTIL 745 PM CDT
* AT 134 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING ON
THE NORTH SIDE OF COLUMBIA OVER BROWN SCHOOL ROAD NEAR HIGWAY
763. ADDITIONAL FLOODING HAS BEEN REPORTED ON FOX HOLLOW ROAD 5
MILES WEST OF ASHLAND. THIS FLOODING IS BEING PRODUCED BY A LINE
OF THUNDERSTORMS THAT HAVE PRODUCED BETWEEN 2 AND 3 INCHES OF
RAINFALL OVER PARTS OF BOONE...WESTERN AUDRAIN AND MONROE COUNTIES
SINCE 6 AM. ADDITIONAL SHOWERS AND THUNDERSTORMS MAY PRODUCE
ANOTHER INCH OF RAINFALL OVER THE SAME LOCATIONS.
* OTHER FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING WOODLAWN...GRANVILLE...PARIS AND SANTA FE.
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.
LAT...LON 3925 9244 3926 9232 3960 9230 3965 9172
3923 9174 3861 9218 3874 9236 3878 9240
3881 9239 3883 9244 3888 9248 3891 9249
3896 9256
$$
BRITT2 follow-up statements
000
WGUS73 KLSX 242232
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
532 PM CDT TUE MAR 24 2009
MOC007-019-027-137-250045-
/O.CON.KLSX.FF.W.0003.000000T0000Z-090325T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-AUDRAIN MO-MONROE MO-
532 PM CDT TUE MAR 24 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
MONROE...WESTERN AUDRAIN...BOONE AND NORTHWESTERN CALLAWAY
COUNTIES...
AT 526 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A LOW
WATER CROSSING ALONG COUNTY ROAD 121 IN MONROE COUNTY HAS BEEN
WASHED OUT. NUMEROUS OTHER ROADS ACROSS THE WARNED AREA REMAIN
FLOODED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODLAWN...
STURGEON...SANTA FE...PARIS...COLUMBIA...MURRY...MEXICO...MADISON...
HALLSVILLE...GRANVILLE AND CENTRALIA.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
LAT...LON 3925 9244 3926 9232 3960 9230 3965 9172
3923 9174 3861 9218 3874 9236 3878 9240
3881 9239 3883 9244 3888 9248 3891 9249
3896 9256
$$
TILLY000
WGUS73 KLSX 250044
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
744 PM CDT TUE MAR 24 2009
MOC007-019-027-137-250053-
/O.EXP.KLSX.FF.W.0003.000000T0000Z-090325T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-AUDRAIN MO-MONROE MO-
744 PM CDT TUE MAR 24 2009
...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM CDT FOR MONROE...
WESTERN AUDRAIN...BOONE AND NORTHWESTERN CALLAWAY COUNTIES...
THE STORMS WHICH PRODUCED THE HEAVY RAINS EARLIER HAVE MOVED OUT OF
THE WARNED AREA.
A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN MONROE...CALLAWAY AND AUDRAIN COUNTIES.
HOWEVER...BOONE COUNTY EOC STILL REPORTS SEVERAL ROAD CLOSURES AND A
NEW FLOOD WARNING WILL BE ISSUED SHORTLY FOR BOONE COUNTY.
LAT...LON 3925 9244 3926 9232 3960 9230 3965 9172
3923 9174 3861 9218 3874 9236 3878 9240
3881 9239 3883 9244 3888 9248 3891 9249
3896 9256
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 3:58 AM CDT | Wind Advisory | LSX | Crawford, Franklin, Iron, Jefferson, Lincoln, Madison and 8 more | 14 hr |
| Mar 24, 7:24 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 32 min |
| Mar 24, 1:29 PM CDT | River Flood Warning | LSX | Saint Charles | 14 days |
| Mar 24, 4:08 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 37 min |
| Mar 24, 4:37 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 38 min |
| Mar 24, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 44 min |
| Mar 24, 6:29 PM CDT | River Flood Warning | LSX | Marion | 15 hr |
| Mar 24, 6:29 PM CDT | River Flood Warning | LSX | Marion | 15 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.