Alert archive / Missouri / Flash Flood Warnings in 2006

Flash Flood Warning 8, NWS St. Louis, MO

June 11, 2006Boone County, Callaway County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 11, 2006, 12:12 AM CDT for Boone County, Callaway County, Missouri. It was in force for 6 hr. 2 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
Jun 11, 2006, 12:12 AM CDT (05:12 UTC)
Expired
Jun 11, 2006, 6:15 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Boone County, MO, Callaway County, MO

The radar

The St Louis radar (KLSX), 137 km from the middle of the area, began a volume at 05:12 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

TimeReportWhereRemark
Jun 11, 1:45 AM CDTFLASH FLOOD6 W Kingdom City, MOUP TO 2 FEET WATER ON HIGHWAY DD NEAR COUNTY ROAD 276.
Jun 11, 3:05 AM CDTFLASH FLOODColumbia, MOWATER 1 FOOT DEEP ON STREETS IN NW SIDE OF CITY.

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, 5.2 hours before the alert went out and 265 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2006-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2174 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2006-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2174 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1650 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KLSX 110515
FFWLSX
MOC019-027-111115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1212 AM CDT SUN JUN 11 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOONE COUNTY IN CENTRAL MISSOURI
  CALLAWAY COUNTY IN CENTRAL MISSOURI

* UNTIL 615 AM CDT

* AT 1206 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE   
AFFECTING MOST OF BOTH COUNTIES INCLUDING THE CITIES OF 
COLUMBIA...HALLSVILLE...CENTRALIA AND OTHER AREAS PARTICULARLY 
CLOSE TO INTERSTATE 70.

NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES INDICATE 2 TO 3
INCHES OF RAIN HAS FALLEN ALONG AND NEAR INTERSTATE 70 SATURDAY
EVENING AND ADDITIONAL RAINFALL AMOUNTS OF 1 TO LOCALLY 2 INCHES
ARE POSSIBLE IN THE WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3906 9211 3906 9166 3873 9166 3870 9235
      3872 9235 3875 9240 3881 9239 3885 9246
      3898 9253 3903 9253 3922 9240 3924 9211

$$

PEDIGO
2 follow-up statements
000 
WGUS73 KLSX 110655
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
148 AM CDT SUN JUN 11 2006

MOC019-027-111115-
CALLAWAY MO-BOONE MO-
148 AM CDT SUN JUN 11 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR BOONE
AND CALLAWAY COUNTIES...

AT 144 AM CDT...SHOWERS AND THUNDERSTORMS CONTINUE TO REDEVELOP OVER 
WESTERN BOONE COUNTY AND DRIFT EAST. LOCAL LAW ENFORCEMENT OFFICIALS 
REPORTED WATER TWO FEET DEEP OVER HIGHWAY DD ABOUT 6 MILES WEST
OF KINGDOM CITY FOR ABOUT 200 FEET.  THE MISSOURI DEPARTMENT OF
TRANSPORTATION HAS CLOSED THE ROAD FOR THE NIGHT.

DOPPLER RADAR PRECIPITATION ESTIMATES INDICATE LOCALLY 2 TO 3 INCHES
OF RAIN HAS FALLEN SINCE SUNSET IN SOME AREAS.

HEAVIEST RAIN THROUGH 400 AM WILL LIKELY OCCUR IN NORTHERN BOON AND 
CALLAWAY COUNTIES INCLUDING HALLSVILLE...STURGEON...AND HARRISBURG
EAST TO SMALL COMMUNITIES ALONG AND NORTH OF INTERSTATE 70 IN 
CALLAWAY COUNTY.  

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.

KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS THROUGH THE NIGHT AND
HEED SAFETY RULES ABOUT STAYING OUT OF FLOWING WATER...WHEREVER YOU 
ARE

LAT...LON 3906 9211 3906 9166 3873 9166 3870 9235
      3872 9235 3875 9240 3881 9239 3885 9246
      3898 9253 3903 9253 3922 9240 3924 9211

$$

PEDIGO
000 
WGUS73 KLSX 110929
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
420 AM CDT SUN JUN 11 2006

MOC019-027-111115-
CALLAWAY MO-BOONE MO-
420 AM CDT SUN JUN 11 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FOR BOONE
AND CALLAWAY COUNTIES...

AT 415 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SHOWERS AND THUNDERSTORMS COVERING THE AREA.  THE HEAVIEST 
THUNDERSTORM WAS LOCATED JUST WEST OF FULTON AND WILL DUMP UP TO
AN INCH OF RAINFALL ACROSS CALLAWAY COUNTY THROUGH 500 AM.  

TO THE WEST OF THE AREA THERE ARE SOME NARROW LINES OF STORMS BUT
THE MORE IMPORTANT THING TO WATCH IS AN EAST TO WEST LINE OF 
THUNDERSTORMS THAT EXTENDS FROM 20 MILES SOUTH OF KIRKSVILLE WEST
TOWARD ST. JOSEPH. THESE STORMS ARE SAGGING SOUTHEAT AND WILL
PROBABLY REACH THE WARNED AREA AFTER SUNUP. IF THEY HOLD TOGETHER
THEY COULD CREATE MORE INTENSE RAINFALL.

DOPPLER RADAR PRECIPITATION ESTIMATES INDICATE 2 TO 5 INCHES OF
RAIN HAS FALLEN ALONG AND NEAR INTERSTATE 70 FROM COLUMBIA TO 
KINGDOM CITY NORTHWEST OF FULTON. ADDITIONAL RAINFALL AMOUNTS OF 
AN INCH OR MORE ARE LIKELY AND FLASH FLOODING IS LIKELY ESPECIALLY
IN FLOOD PRONE AREAS. 

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.

LAT...LON 3906 9211 3906 9166 3873 9166 3870 9235
      3872 9235 3875 9240 3881 9239 3885 9246
      3898 9253 3903 9253 3922 9240 3924 9211

$$

PEDIGO

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 7:01 PM CDTSevere Thunderstorm WarningLSXSaint Charles59 min
Jun 10, 7:11 PM CDTSevere Thunderstorm WarningLSXGasconade49 min
Jun 10, 7:14 PM CDTSevere Thunderstorm WarningLSXWarren61 min
Jun 10, 7:27 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau93 min
Jun 10, 7:30 PM CDTSevere Thunderstorm WarningLSXCallaway50 min
Jun 10, 7:37 PM CDTSevere Thunderstorm WarningLSXFranklin53 min
Jun 10, 7:43 PM CDTSevere Thunderstorm WarningLSXSaint Louis62 min
Jun 10, 8:50 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage40 min
Jun 10, 9:50 PM CDTSevere Thunderstorm WarningLSXGasconade26 min
Jun 10, 10:29 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway61 min
Jun 10, 11:19 PM CDTSevere Thunderstorm WarningLSXAudrain41 min
Jun 10, 11:43 PM CDTSevere Thunderstorm WarningLSXBoone47 min
Jun 11, 12:05 AM CDTSevere Thunderstorm WarningLSXShelby70 min
Jun 11, 12:11 AM CDTSevere Thunderstorm WarningLSXCallaway49 min
Jun 11, 1:04 AM CDTFlash Flood WarningLSXAudrain, Monroe, Shelby6 hr
Jun 11, 1:17 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone43 min
Jun 11, 1:59 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe75 min
Jun 11, 3:32 AM CDTFlash Flood WarningLSXMontgomery, Warren5 hr
Jun 11, 3:38 AM CDTSevere Thunderstorm WarningLSXSaint Charles, Warren53 min
Jun 11, 5:46 AM CDTFlash Flood WarningLSXBoone, Callaway3 hr
Jun 11, 7:00 AM CDTFlash Flood WarningLSXAudrain, Monroe3 hr

Nearby

Flash Flood Warnings in Missouri, 2006Every flash flood warning in 2006

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.