Alert archive / Missouri / Flash Flood Warnings in 2007
Flash Flood Warning 11, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 10, 2007, 3:15 PM CDT for Boone County, Missouri. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 10, 2007, 3:15 PM CDT (20:15 UTC)
- Expired
- May 10, 2007, 7:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Boone County, MO
The radar
The St Louis radar (KLSX), 145 km from the middle of the area, began a volume at 20:16 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.3 hours before the alert went out and 267 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
- 328 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 102019 FFWLSX MOC019-110015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 315 PM CDT THU MAY 10 2007 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... BOONE COUNTY IN CENTRAL MISSOURI * UNTIL 715 PM CDT * AT 313 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A CLUSTER OF THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS CENTRAL BOONE COUNTY...IN AND AROUND COLUMBIA. THE STORMS WERE MOVING SLOWLY TO THE EAST AT 5 MPH. DOPPLER RADAR ESTIMATES 2 TO 3 INCHES OF RAIN HAS FALLEN SINCE 200 PM. * FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING MURRY AND COLUMBIA. SOME CREEKS THAT WILL BE IMPACTED INCLUDE HINKSON CREEK...CEDAR CREEK...AND NELSON CREEK. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. 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. 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 3901 9256 3867 9233 3866 9220 3922 9212 $$ GLASS
2 follow-up statements
000 WGUS73 KLSX 102050 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 344 PM CDT THU MAY 10 2007 MOC019-110015- BOONE MO- 344 PM CDT THU MAY 10 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR BOONE COUNTY... AT 340 PM CDT...TRAINED WEATHER SPOTTERS AND COUNTY OFFICIALS REPORTED URBAN FLOODING ACROSS THE CITY OF COLUMBIA. SEVERAL REPORTS OF ROADS BEING CLOSED DUE TO HIGH WATER INCLUDING BEAR CREEK ROAD...NORTHLAND DRIVE...BROWNSCHOOL ROAD WEST OF 763...PROVIDENCE ROAD AND TEXAS AVENUE. HINKSON CREEK...CEDAR CREEK...AND OTHER STREAMS AND RIVERS IN CENTRAL BOONE COUNTY WILL SEE RAPIDLY RISING WATER FROM THE NEARLY 3 INCHES OF RAINFALL THAT HAS OCCURRED WITHIN THE LAST 3 HOURS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MURRY...COLUMBIA AND CENTRALIA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. NEVER DRIVE ACROSS A FLOODED ROADWAY AND MOVE TO HIGHER GROUND IF FLOODING THREATENS YOUR PROPERTY. LAT...LON 3901 9256 3867 9233 3866 9220 3922 9212 $$ CVKING
000
WGUS73 KLSX 102215
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
514 PM CDT THU MAY 10 2007
MOC183-189-110130-
ST. LOUIS MO-ST. CHARLES MO-
514 PM CDT THU MAY 10 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
EASTERN ST. CHARLES AND NORTHERN ST. LOUIS COUNTIES...
AT 508 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A CLUSTER OF THUNDERSTORMS PRODUCING FLASH FLOODING OVER
THE WARNED AREA.
LAW ENFORCEMENT REPORTED WATER FLOWING OVER NEW HALLS FERRY ROAD AND
ASHLAND DRIVE. THESE ROADS HAVE BEEN CLOSED BY LOCAL POLICE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST ALTON...
PORTAGE DES SIOUX...ORCHARD FARMS...FLORISSANT AND BLACK JACK.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
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 3877 9054 3875 9021 3880 9012 3885 9012
3892 9026 3896 9040 3888 9048
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison | 29 min |
| May 10, 2:38 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 52 min |
| May 10, 3:37 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 38 min |
| May 10, 4:34 PM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.