Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 59, NWS St. Louis, MO

June 13, 20084 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 13, 2008, 5:58 AM CDT for 4 counties in Missouri. It was in force for 5 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
Jun 13, 2008, 5:58 AM CDT (10:58 UTC)
Expired
Jun 13, 2008, 11:00 AM CDT
In force
5 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Boone County, MO, Callaway County, MO, Cole County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 137 km from the middle of the area, began a volume at 11:02 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 00:00Z, 11.0 hours before the alert went out and 244 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 2008-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 759 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2008-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
759 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1452 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 131105
FFWLSX
MOC019-027-051-151-131600-
/O.NEW.KLSX.FF.W.0059.080613T1058Z-080613T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
558 AM CDT FRI JUN 13 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 1100 AM CDT

* AT 557 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING OVER THE WARNED AREA. THE RADAR ESTIMATES THAT ONE
  TO ONE AND ONE HALF INCHES OF RAIN HAVE FALLEN IN THE LAST HOUR
  OVER MUCH OF THE WARNED AREA.  PARTS OF WESTERN BOONE COUNTY HAVE
  PICKED UP 3 INCHES OF RAINFALL OVER THE PAST THREE HOURS.  THE
  RADAR WAS SHOWING THAT MORE THUNDERSTORMS CONTAINNG HEAVY RAINFALL
  WILL MOVE NORTHEASTWARD THROUGH THIS AREA DURING THE NEXT COUPLE
  OF HOURS WITH ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES
  EXPECTED ACROSS MUCH OF THE WARNED AREA.     


* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING WILLIAMSBURG...WESTPHALIA...WARDSVILLE...TAOS...ST.
  MARTINS...SHAMROCK...RUSSELLVILLE...NEW BLOOMFIELD...MURRY...
  MIDWAY...LINN...LAKE MYKEE...JEFFERSON CITY...HOLTS SUMMIT...
  HALLSVILLE...FULTON...EASLEY...COLUMBIA...CHAMOIS...BRAZITO...
  AUXVASSE AND ASHLAND.

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.

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.

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.

LAT...LON 3923 9242 3923 9216 3906 9212 3905 9165
      3830 9166 3830 9218 3833 9220 3832 9225
      3839 9241 3842 9241 3842 9247 3871 9236
      3878 9240 3881 9239 3883 9244 3898 9254
TIME...MOT...LOC 1058Z 180DEG 0KT 3841 9247

$$

GKS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 12:53 AM CDTFlash Flood WarningLSXMarion, Monroe, Shelby6 hr
Jun 13, 1:18 AM CDTFlash Flood WarningLSXAudrain, Boone6 hr
Jun 13, 4:00 AM CDTFlash Flood WarningLSXMoniteau6 hr
Jun 13, 7:01 AM CDTFlash Flood WarningLSXMonroe4 hr
Jun 13, 10:59 AM CDTAreal Flood WarningLSXMonroe5 hr
Jun 13, 11:09 AM CDTSevere Thunderstorm WarningLSXSainte Genevieve51 min
Jun 13, 5:17 PM CDTSevere Thunderstorm WarningLSXMadison43 min

Nearby

Flash Flood Warnings in Missouri, 2008Every flash flood warning in 2008

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.