Alert archive / Missouri / Flash Flood Warnings in 2005

Flash Flood Warning 13, NWS St. Louis, MO

August 26, 2005Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 26, 2005, 9:26 AM CDT for Moniteau County, Missouri. It was in force for 4 hr. 1 report 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
Aug 26, 2005, 9:26 AM CDT (14:26 UTC)
Expired
Aug 26, 2005, 1:30 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Moniteau County, MO

The radar

The Pleasant Hill radar (KEAX), 146 km from the middle of the area, began a volume at 14:27 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
Aug 26, 9:50 AM CDTFLASH FLOODCalifornia, MOU.S. HIGHWAY 50 IS CLOSED IN CALIFORNIA DUE TO HIGH WATER.

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, 2.4 hours before the alert went out and 216 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 12:00Z on 2005-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1363 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 12:00Z on 2005-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
1363 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 261431
FFWLSX
MOC135-261830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
926 AM CDT FRI AUG 26 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONITEAU COUNTY IN CENTRAL MISSOURI

* UNTIL 130 PM CDT

* AT 921 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LINE OF THUNDERSTORMS MOVING EAST INTO WESTERN PORTIONS OF 
MONITEAU COUNTY.  THESE STORMS WILL CAUSE BLINDING RAINFALL FOR
A FEW MINUTES WITH STEADY RAINS CONTINUING THROUGH 1130AM THIS
MORNING. 

RAINFALL TOTALS MAY REACH 3 TO 4 INCHES THIS MORNING. IN ADDITION
PREVIOUS HEAVY RAINS HAVE SATURATED THE GROUND AND WATER WILL
READILY RUN OFF INTO DITCHES STREAMS AND TRIBUTARIES. FLASH 
FLOODING IS IMMINENT

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER AREAS WHICH ARE 
POTENTIALLY DANGEROUS IN HEAVY RAIN. 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.

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 3843 9267 3844 9251 3879 9239 3887 9254
      3864 9283

$$

PEDIGO
3 follow-up statements
000 
WGUS73 KLSX 261505
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
959 AM CDT FRI AUG 26 2005

MOC135-261830-
MONITEAU MO-
959 AM CDT FRI AUG 26 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 130 PM CDT FOR MONITEAU
COUNTY...

AT 955 AM CDT...THUNDERSTORMS CONTINUE TO MOVE EAST ACROSS THE 
COUNTY. EXTREMELY HEAVY RAINFALL WILL CCONTINUE THROUGH 1100AM
THIS MORNING AND THEN TAPER OFF GRADUALLY THROUGH 100PM. 

LOCAL LAW ENFORCEMENT OFFICIALS HAVE CLOSED U.S. HIGHWAY 50 IN 
CALIFORNIA. LOW WATER AREAS USUALLY VULNERABLE WILL FLOOD QUICKLY
AS THE RUNOFF FROM THESE INTENSE STORMS CONTINUES. A SECONDARY
BURST OF RAIN FROM A STORM NEAR SEDALIA AT 1000 AM WILL AMPLIFY
THE FLOODING PROBLEMS WITH SERIOUS RUNOFF. 

STREAMS AND TRIBUTARIES THROUGHOUT THE ENTIRE COUNTY WILL FILL AND 
SOME WILL FLOOD TODAY.  IF YOU TRAVEL ON SECONDARY ROADS TODAY
TAKE EXTRA PRECAUTIONS. DO NOT DRIVE OVER SMALL HILLS INTO LOW
AREAS WITHOUT BEING ABLE TO SEE THE ROAD AHEAD. AND OF COURSE
DO NOT DRIVE THROUGH FLOWING WATER...IT CAN KILL YOU

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
TIPTON...JAMESTOWN...CALIFORNIA AND CLARKSBURG.

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

LAT...LON 3843 9267 3844 9251 3879 9239 3887 9254
      3864 9283

$$

PEDIGO
000 
WGUS73 KLSX 261701
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1152 AM CDT FRI AUG 26 2005

MOC135-261830-
MONITEAU MO-
1152 AM CDT FRI AUG 26 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 130 PM CDT FOR MONITEAU
COUNTY...

AT 1146 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES 
THE RAIN HAS ENDED ACROSS THE AREA.  PRECIPITATION ESTIMATES 
INDICATE 2 TO 3 INCHES OF RAIN FELL ACROSS THE COUNTY WITH LOCAL 
RAINFALL NEAR TIPTON IN WESTERN PORTIONS OF THE COUNTY PERHAPS 
REACHING 4 OR 5 INCHES THIS MORNING.  

THE RAIN HAS ENDED AND SKIES ARE CLEARING...HOWEVER THE FLASH FLOOD
WARNING WILL REMAIN IN EFFECT AS LOCAL STORM RUNOFF COULD STILL
CREATE FLOODING IN FAVORED AREAS.  

HIGHWAY 50 WEST OF CALIFORNIA HAS NOW RE-OPENED AND WATER IS 
RECEDING THROUGHOUT THE COUNTY...HOWEVER IF YOU ARE NEAR A
LOW WATER AREA YOU SHOULD CONTINUE TO BE CAUTIOUS...EVEN IF 
THE SUN IS SHINING. THERE IS STILL SOME CHANCE THAT ADDITIONAL
STORMS COULD FORM IN WESTERN MISSOURI THIS AFTERNOON AND MOVE
EAST INTO THE AREA.  KEEP ABREAST OF LATEST FORECASTS FOR YOUR 
AREA.

LAT...LON 3843 9267 3844 9251 3879 9239 3887 9254
      3864 9283

$$

PEDIGO
000 
WGUS73 KLSX 261814
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
112 PM CDT FRI AUG 26 2005

MOC135-261822-
MONITEAU MO-
112 PM CDT FRI AUG 26 2005

...THE FLASH FLOOD WARNING FOR MONITEAU COUNTY IS CANCELLED...

THE FLASH FLOOD WARNING IS BEING CANCELLED. PRECIPITATION ENDED
SOME TIME AGO BUT RUNOFF HAS BEEN CONTINUING.  ALL MAJOR ROADS
HAVE BEEN REOPENED.  

THERE IS STILL A CHANCE FOR NEW STORMS TO DEVELOP LATER TODAY.
KEEP ABREAST OF LOCAL WEATHER CONDITIONS AND FORECASTS FROM 
THE NATIONAL WEATHER SERVICE.

LAT...LON 3843 9267 3844 9251 3879 9239 3887 9254
      3864 9283

$$

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 9:07 AM CDTFlash Flood WarningLSXBoone4 hr
Aug 26, 12:53 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois67 min
Aug 26, 1:34 PM CDTSevere Thunderstorm WarningLSXIron, Madison56 min

Nearby

Flash Flood Warnings in Missouri, 2005Every flash flood warning in 2005

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.