Alert archive / Missouri / Flash Flood Warnings in 2009

Flash Flood Warning 95, NWS St. Louis, MO

November 15, 2009Callaway County, Cole County, Missouri

NWS St. Louis, MO issued this flash flood warning at Nov 15, 2009, 11:25 AM CST for Callaway County, Cole County, Missouri. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 15, 2009, 11:25 AM CST (17:25 UTC)
Expired
Nov 15, 2009, 5:30 PM CST
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Callaway County, MO, Cole County, MO

The radar

The St Louis radar (KLSX), 127 km from the middle of the area, began a volume at 17:24 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, 5.4 hours before the alert went out and 234 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 2009-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 2009-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.1939587897117Sfc1 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
33 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 151725
FFWLSX
MOC027-051-152330-
/O.NEW.KLSX.FF.W.0095.091115T1725Z-091115T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1125 AM CST SUN NOV 15 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLE COUNTY IN CENTRAL MISSOURI...
  SOUTHERN CALLAWAY COUNTY IN CENTRAL MISSOURI...

* UNTIL 530 PM CST SUNDAY

* AT 1122 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE 
  WARNED AREA.  SINCE 9 AM...A VERY NARROW BAND OF THUNDERSTORMS
  HAS PRODUCED ALMOST 2 INCHES OF RAIN FROM SOUTH CENTRAL COLE
  COUNTY...THROUGH JEFFERSON CITY...TO JUST SOUTH OF FULTON.  IT
  APPEARS THAT THIS NARROW BAND OF HEAVY RAIN WILL PERSIST FOR 
  ANOTHER HOUR OR SO...WITH THE HEAVIEST RAINS DISSIPATING EARLY THIS
  AFTERNOON.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FULTON...HOLTS SUMMIT...JEFFERSON CITY...BRAZITO...HICKORY HILL...
  LAKE MYKEE...NEW BLOOMFIELD...ST. THOMAS...TAOS AND WARDSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 3843 9249 3865 9220 3868 9220 3887 9213
      3887 9165 3872 9167 3868 9186 3855 9203
      3850 9201 3847 9204 3846 9210 3847 9217
      3839 9212 3836 9219 3833 9220 3834 9241
      3842 9240

$$

TRUETT
2 follow-up statements
000 
WGUS73 KLSX 152056
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
256 PM CST SUN NOV 15 2009

MOC027-051-152330-
/O.CON.KLSX.FF.W.0095.000000T0000Z-091115T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLE MO-CALLAWAY MO-
256 PM CST SUN NOV 15 2009

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN CALLAWAY AND
COLE COUNTIES UNTIL 530 PM CST...

AT 254 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT 
THE HEAVIEST RAIN WAS MOVING OUT OF THE AREA.  HOWEVER...LAW 
ENFORCEMENT CONTINUED TO REPORT WATER ON MANY ROADWAYS...AND THAT 
HIGHWAY 94 NEAR MOKANE IN CALLAWAY COUNTY WAS CLOSED DUE TO FLOODING.

SOME LOCATIONS THAT WILL CONTINUE TO EXPERIENCE FLOODING 
INCLUDE...FULTON...HOLTS SUMMIT...JEFFERSON CITY...BRAZITO...HICKORY 
HILL...LAKE MYKEE...NEW BLOOMFIELD...ST. THOMAS...TAOS AND 
WARDSVILLE.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.

&&

LAT...LON 3843 9249 3865 9220 3868 9220 3887 9213
      3887 9165 3872 9167 3868 9186 3855 9203
      3850 9201 3847 9204 3846 9210 3847 9217
      3839 9212 3836 9219 3833 9220 3834 9241
      3842 9240

$$

CARNEY
000 
WGUS73 KLSX 152333
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
533 PM CST SUN NOV 15 2009

MOC027-051-152345-
/O.EXP.KLSX.FF.W.0095.000000T0000Z-091115T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLE MO-CALLAWAY MO-
533 PM CST SUN NOV 15 2009

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN CALLAWAY
AND COLE COUNTIES HAS BEEN ALLOWED TO EXPIRE...

RECENT INFORMATION FROM COLE COUNTY INDICATES THAT FLOOD WATERS HAVE 
RECEDED AND THERE IS NO LONGER ANY FLOODING OR ROAD CLOSURES.  
THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.

THE LATEST INFORMATION FROM CALLAWAY COUNTY INDICATES SOME FLOODING 
OF ROADS MAY STILL BE OCCURRING.  AS A RESULT OF THIS 
INFORMATION...THE FLASH FLOOD WARNING WILL SOON BE REPLACED WITH AN 
AREAL FLOOD WARNING.

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

&&

LAT...LON 3843 9249 3865 9220 3868 9220 3887 9213
      3887 9165 3872 9167 3868 9186 3855 9203
      3850 9201 3847 9204 3846 9210 3847 9217
      3839 9212 3836 9219 3833 9220 3834 9241
      3842 9240

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 1:43 PM CSTRiver Flood WarningLSXCole47 hr
Nov 15, 2:02 PM CSTFlood WatchLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 20 more37 hr
Nov 15, 3:15 PM CSTFlash Flood WarningLSXOsage6 hr
Nov 15, 5:40 PM CSTAreal Flood WarningLSXCallaway18 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.