Alert archive / Missouri / Flash Flood Warnings in 2014

Flash Flood Warning 20, NWS St. Louis, MO

September 1, 2014Boone County, Callaway County, Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at Sep 1, 2014, 9:07 PM CDT for Boone County, Callaway County, Moniteau County, Missouri. It was in force for 4 hr. 14 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
Sep 1, 2014, 9:07 PM CDT (02:07 UTC)
Expired
Sep 2, 2014, 1:00 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Boone County, MO, Callaway County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 144 km from the middle of the area, began a volume at 02:08 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
Sep 1, 9:15 PM CDTFLASH FLOOD2 Ese Columbia, MOHIGHWAY WW AT OLD HAWTHORNE ROAD...WATER OVER THE ROADWAY. ROADWAY CLOSED.
Sep 1, 9:15 PM CDTHEAVY RAIN 3.22 W Columbia, MORAINFALL IN PAST TWO HOURS.
Sep 1, 9:50 PM CDTHEAVY RAIN 3.384 Ne Mcbaine, MORAINFALL SO FAR FROM 6 PM TO 950 PM.
Sep 1, 10:00 PM CDTHEAVY RAIN 4.012 Se Columbia, MORAINFALL IN PAST THREE HOURS.
Sep 1, 10:00 PM CDTHEAVY RAIN 4.012 Se Columbia, MORAINFALL IN PAST THREE HOURS.
Sep 1, 10:05 PM CDTFLASH FLOOD1 W Columbia, MOHIGHWAY ZZ CLOSED
Sep 1, 10:30 PM CDTHEAVY RAIN 3.1Williamsburg, MORAINFALL SO FAR.
Sep 1, 10:54 PM CDTFLASH FLOODColumbia, MOWATER OVER SCOTT BLVD NEAR BELLEVIEW DR.
Sep 1, 10:57 PM CDTFLASH FLOODColumbia, MOWATER OVER CREASY SPRINGS RD NEAR PROCTOR DR.
Sep 1, 11:00 PM CDTHEAVY RAIN 4.231 Nnw Columbia, MORAINFALL IN PAST 5 HOURS.
Sep 1, 11:15 PM CDTFLASH FLOOD1 S Kingdom City, MOUNKNOWN AMOUNT OF WATER OVER HIGHWAY 54 JUST SOUTH OF KINGDOM CITY. HIGHWAY IS CURRENTLY OPEN.
Sep 2, 12:00 AM CDTHEAVY RAIN 4.844 Ne Mcbaine, MORAINFALL SINCE 6 PM.
Sep 2, 12:10 AM CDTHEAVY RAIN 5.831 Nnw Columbia, MO
Sep 2, 1:00 AM CDTHEAVY RAIN 6.071 Nnw Columbia, MORAINFALL SO FAR. LIGHT RAIN STILL FALLING.

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, 2.1 hours before the alert went out and 253 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 2014-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2037 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 2014-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.19395878Sfc1 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
2037 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
1.9
Supercell composite
13.0

Open this sounding in Storm Lab

The text

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

548 
WGUS53 KLSX 020207
FFWLSX
MOC019-027-135-020600-
/O.NEW.KLSX.FF.W.0020.140902T0207Z-140902T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
907 PM CDT MON SEP 1 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 100 AM CDT

* AT 906 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
  SEVERAL AREAS IN COLUMBIA ARE REPORTING JUST OVER 3 INCHES OF
  RAIN SINCE 6 PM.   ALTHOUGH THE HEAVIEST RAINS ARE EXPECTED TO
  TAPER OFF OVER THE NEXT FEW HOURS...RUNOFF FROM THIS EVENINGS HEAVY
  RAINFALL WILL CONTINUE THE FLASH FLOOD THREAT EVEN AFTER THE HEAVY
  RAIN SUBSIDES.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ASHLAND...COLUMBIA...FULTON...AUXVASSE...EASLEY...JAMESTOWN...
  MIDWAY...MURRY...NEW BLOOMFIELD...ROCHEPORT...SHAMROCK AND
  WILLIAMSBURG.

THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 115 TO EXIT 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3891 9251 3893 9251 3898 9257 3907 9253
      3906 9165 3871 9164 3871 9234 3874 9239
      3871 9240 3871 9261

$$

TRUETT
1 follow-up statement
780 
WGUS73 KLSX 020330
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1030 PM CDT MON SEP 1 2014

MOC019-027-135-020600-
/O.CON.KLSX.FF.W.0020.000000T0000Z-140902T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOONE MO-CALLAWAY MO-MONITEAU MO-
1030 PM CDT MON SEP 1 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN MONITEAU...
CALLAWAY AND SOUTHERN BOONE COUNTIES UNTIL 100 AM CDT...

AT 1024 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
BETWEEN TWO AND FOUR INCHES OF RAIN HAS FALLEN SINCE 6 PM ACROSS THE 
WARNED AREA.  ADDITIONAL RAINFALL IS POSSIBLE THROUGH AT LEAST 
MIDNIGHT OVER THE WARNED AREA.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ASHLAND...COLUMBIA...FULTON...AUXVASSE...EASLEY...JAMESTOWN...
MIDWAY...MURRY...NEW BLOOMFIELD...ROCHEPORT...SHAMROCK AND
WILLIAMSBURG.

HINKSON CREEK IN BOONE COUNTY IS JUST A FOOT BELOW FLOOD STAGE AS OF 
10 PM. FLOOD STAGE ON HINKSON CREEK IS 15 FEET.

THIS WARNING INCLUDES JEWELL CEMETERY HISTORIC SITE AND ROCK BRIDGE
STATE PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 115 TO EXIT 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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

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.

&&

LAT...LON 3891 9251 3893 9251 3898 9257 3907 9253
      3906 9165 3871 9164 3871 9234 3874 9239
      3871 9240 3871 9261

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 7:58 PM CDTAreal Flood AdvisoryLSXBoone, Callaway, Montgomery3 hr
Sep 1, 8:44 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Saint Louis46 min
Sep 1, 8:53 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Warren52 min
Sep 1, 9:26 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis49 min
Sep 1, 10:33 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis42 min
Sep 1, 10:43 PM CDTTornado WarningLSXJefferson, Saint Louis32 min
Sep 1, 10:52 PM CDTAreal Flood AdvisoryLSXFranklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis4 hr
Sep 1, 11:07 PM CDTTornado WarningLSXJefferson, Saint Louis23 min
Sep 1, 11:14 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis25 min
Sep 2, 12:08 AM CDTFlash Flood WarningLSXBoone, Callaway, Moniteau, Montgomery8 hr
Sep 2, 1:23 AM CDTRiver Flood WarningLSXSaint Charles7 days
Sep 2, 7:23 AM CDTRiver Flood WarningLSXLincoln38 hr
Sep 2, 7:43 AM CDTAreal Flood WarningLSXBoone, Callaway, Lincoln, Montgomery, Saint Charles, Warren8 hr

Nearby

Flash Flood Warnings in Missouri, 2014Every flash flood warning in 2014

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.