Alert archive / Missouri / Flash Flood Warnings in 2009
Flash Flood Warning 53, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 4, 2009, 6:18 AM CDT for 4 counties in Missouri. It was in force for 6 hr. 13 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
- Jul 4, 2009, 6:18 AM CDT (11:18 UTC)
- Expired
- Jul 4, 2009, 12:30 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, Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 134 km from the middle of the area, began a volume at 11:18 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 |
|---|---|---|---|
| Jul 4, 6:45 AM CDT | FLOOD | 1 Ne Mokane, MO | WATER OVER HIGHWAY 94 BETWEEN MOKANE AND STEEDMAN ... DEPTH OF THE WATER OVER THE ROAD AND IMPASSABLE NATURE IS UNDETERMINED AT THIS TIME |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 2.45 | 2 Se Columbia, MO | COCORAHS REPORT |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 3.2 | 2 W Columbia, MO | COCORAHS REPORT |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 3.74 | 1 Wnw Ashland, MO | COCORAHS REPORT |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 4.21 | 4 E Ashland, MO | COCORAHS REPORT |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 4.3 | 5 W New Bloomfield, MO | COCORAHS REPORT |
| Jul 4, 7:00 AM CDT | HEAVY RAIN 4.31 | 4 Ssw Columbia, MO | COCORAHS REPORT |
| Jul 4, 7:15 AM CDT | HEAVY RAIN 4.75 | 2 W Guthrie, MO | |
| Jul 4, 9:30 AM CDT | FLOOD | 1 Sw Mokane, MO | AT THE INTERSECTION OF HIGHWAY PP AND HIGHWAY 94 ... ROAD CLOSED. |
| Jul 4, 10:00 AM CDT | FLOOD | 1 Nw Ashland, MO | CRUMP LANE IMPASSABLE DUE TO WATER OVER THE ROAD. |
| Jul 4, 10:00 AM CDT | FLOOD | 1 Nw Columbia, MO | BLACKFOOT ROAD CLOSED AT BEAR CREEK DUE TO WATER OVER THE ROAD. |
| Jul 4, 10:00 AM CDT | FLOOD | 1 Se Columbia, MO | ROAD CLOSURES ON BASS LANE AND BONNE FEMME CHURCH ROAD ... BOTH ROADS ARE SITUATED ALONG BONNE FEMME CREEK |
| Jul 4, 10:00 AM CDT | FLOOD | 1 Sw Columbia, MO | HIGHWAY KK IMPASSABLE DUE TO WATER OVER THE ROAD FROM OLD MILL CREEK. |
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, 11.3 hours before the alert went out and 250 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
- 56 J/kg
- Mixed-layer CIN
- -206 J/kg
- Mixed-layer LCL
- 1494 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 211 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 041118
FFWLSX
MOC019-027-051-135-041730-
/O.NEW.KLSX.FF.W.0053.090704T1118Z-090704T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
618 AM CDT SAT JUL 4 2009
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CALLAWAY COUNTY IN CENTRAL MISSOURI
NORTHERN MONITEAU COUNTY IN CENTRAL MISSOURI
NORTHERN COLE COUNTY IN CENTRAL MISSOURI
SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI
* UNTIL 1230 PM CDT
* AT 614 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. SINCE 2 AM...NEARLY 3 INCHES OF RAIN HAS BEEN
REPORTED AT THE COLUMBIA AIRPORT...WITH SIMILAR RAINFALL TOTALS
INDICATED BY RADAR FROM NORTHERN MONITEAU AND NORTHERN COLE
COUNTIES...INTO SOUTHERN SECTIONS OF CALLAWAY COUNTY.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ASHLAND...COLUMBIA...FULTON...HOLTS SUMMIT...JEFFERSON CITY...
CENTERTOWN...EASLEY...JAMESTOWN...LAKE MYKEE...MIDWAY...NEW
BLOOMFIELD...ST. MARTINS AND WILLIAMSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3878 9258 3891 9251 3896 9255 3902 9254
3892 9165 3872 9165 3867 9186 3862 9192
3855 9208 3864 9261
$$
TRUETT1 follow-up statement
000
WGUS73 KLSX 041604
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1104 AM CDT SAT JUL 4 2009
MOC019-027-051-135-041730-
/O.CON.KLSX.FF.W.0053.000000T0000Z-090704T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLE MO-MONITEAU MO-CALLAWAY MO-BOONE MO-
1104 AM CDT SAT JUL 4 2009
...FLASH FLOOD WARNING FOR REMAINS IN EFFECT FOR SOUTHERN BOONE...
CALLAWAY...NORTHEASTERN MONITEAU AND NORTHERN COLE COUNTIES UNTIL
1230 PM CDT...
AT 1056 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
SEVERAL COUNTY ROADS WERE CLOSED OVER PARTS OF BOONE AND CALLAYWAY
COUNTIES IN CENTRAL MISSOURI.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ASHLAND...COLUMBIA...FULTON...HOLTS SUMMIT...JEFFERSON CITY...
CENTERTOWN...EASLEY...JAMESTOWN...LAKE MYKEE...MIDWAY...NEW
BLOOMFIELD...ST. MARTINS AND WILLIAMSBURG.
SEVERAL COUNTY ROADS NORTHWEST AND SOUTHEAST OF COLUMBIA IN BOONE
COUNTY ARE CLOSED DUE TO HIGH WATER. THESE INCLUDE BLACKFOOT ROAD AT
BEAR CREEK AND HIGHWAY KK IMPASSABLE DUE TO WATER OVER THE ROAD. IN
CALLAWAY COUNTY HIGHWAY 94 BETWEEN MOKANE AND STEEDMAN IS CLOSED DUE
TO HIGH WATER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT OR IN A VEHICLE.
&&
LAT...LON 3878 9258 3891 9251 3896 9255 3902 9254
3892 9165 3872 9165 3867 9186 3862 9192
3855 9208 3864 9261
$$
PRZYBYLINSKIThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 9:15 PM CDT | Flash Flood Watch | LSX | Knox, Lewis, Marion, Monroe, Pike, Ralls and 1 more | 7 hr |
| Jul 4, 4:34 AM CDT | Areal Flood Advisory | LSX | Boone, Callaway, Cole, Moniteau | 6 hr |
| Jul 4, 6:57 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade, Montgomery, Osage, Saint Charles, Warren | 6 hr |
| Jul 4, 9:28 AM CDT | Areal Flood Advisory | LSX | Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 4 hr |
| Jul 4, 12:00 PM CDT | Areal Flood Warning | LSX | Boone, Callaway | 32 hr |
| Jul 4, 12:31 PM CDT | Areal Flood Advisory | LSX | Lincoln | 6 hr |
| Jul 4, 4:50 PM CDT | River Flood Warning | LSX | Lincoln | 27 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.