Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 85, NWS St. Louis, MO

July 28, 2008Audrain County, Boone County, Callaway County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jul 28, 2008, 12:00 AM CDT for Audrain County, Boone County, Callaway County, Missouri. It was in force for 6 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
Jul 28, 2008, 12:00 AM CDT (05:00 UTC)
Expired
Jul 28, 2008, 6:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Audrain County, MO, Boone County, MO, Callaway County, MO

The radar

The St Louis radar (KLSX), 130 km from the middle of the area, began a volume at 05:03 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
Jul 28, 12:30 AM CDTHEAVY RAIN 2.75Mexico, MONUMEROUS ROADS CLOSED IN TOWN 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 00:00Z, 5.0 hours before the alert went out and 267 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 2008-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2309 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 2008-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
2309 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 280500
FFWLSX
MOC007-019-027-281100-
/O.NEW.KLSX.FF.W.0085.080728T0500Z-080728T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1200 AM CDT MON JUL 28 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 600 AM CDT MONDAY

* AT 1150 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED FLASH FLOODING OVER THE WARNED AREA. RADAR ESTIMATES
  OF ONE AND A HALF TO TWO AND A HALF INCHES OF RAIN HAS FALLEN IN
  THE AREA OVER THE PAST TWO HOURS. NUMEROUS ROADS HAD FLOWING WATER
  OVER THEM INCLUDING U.S. HIGHWAY 54 TWO MILES SOUTH OF LADDONIA...
  AND ROADS IN NORTHERN BOONE AND CALLAWAY COUNTIES.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING VANDALIA...STURGEON...MURRY...MEXICO...MARTINSBURG...
  LADDONIA...HALLSVILLE...AUXVASSE AND CENTRALIA.

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 3925 9243 3925 9232 3935 9231 3932 9144
      3915 9142 3915 9164 3871 9165 3871 9174
      3868 9185 3856 9203 3858 9217 3864 9223
      3867 9236 3872 9235 3875 9241 3881 9239
      3887 9248 3893 9250 3897 9257 3900 9257

$$

BYRD
2 follow-up statements
000 
WGUS73 KLSX 280807
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
307 AM CDT MON JUL 28 2008

MOC007-019-027-281100-
/O.CON.KLSX.FF.W.0085.000000T0000Z-080728T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-AUDRAIN MO-
307 AM CDT MON JUL 28 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
AUDRAIN...BOONE AND CALLAWAY COUNTIES...

AT 300 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW THUNDERSTORMS WITH HEAVY RAIN ACROSS THE AREA. ADDITIONAL 
RAINFALL AMOUNTS OF 1 - 2 INCHES ARE POSSIBLE IN THE WARNED AREA. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WILLIAMSBURG...VANDALIA...STURGEON...SHAMROCK...ROCHEPORT...MURRY...
MIDWAY...MEXICO...MARTINSBURG...LADDONIA...HALLSVILLE...FARBER...
COLUMBIA...CENTRALIA AND AUXVASSE.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
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. YOU SHOULD BE ESPECIALLY CAUTIOUS IF DRIVING AS DARKNESS 
CAN OFTEN HIDE FLOOD CONDITIONS ON ROADS. 


LAT...LON 3925 9243 3925 9232 3935 9231 3932 9144
      3915 9142 3915 9164 3871 9165 3871 9174
      3868 9185 3856 9203 3858 9217 3864 9223
      3867 9236 3872 9235 3875 9241 3881 9239
      3887 9248 3893 9250 3897 9257 3900 9257

$$

JPK
000 
WGUS73 KLSX 281107
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
607 AM CDT MON JUL 28 2008

MOC007-019-027-281116-
/O.EXP.KLSX.FF.W.0085.000000T0000Z-080728T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-AUDRAIN MO-
607 AM CDT MON JUL 28 2008

...THE FLASH FLOOD WARNING HAS EXPIRED FOR AUDRAIN...BOONE AND
CALLAWAY COUNTIES...

A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT SIGNIFICANT FLASH 
FLOODING IS NO LONGER OCCURRING ACROSS THE AREA. 

MOTORISTS SHOULD USE CAUTION THIS MORNING AS FLOOD WATERS MAY HAVE 
DAMAGED SOME ROAD. IN ADDITION RAINFALL THIS MORNING MAY CAUSE SOME 
PONDING OF WATER IN LOW LYING AREAS. 

LAT...LON 3925 9243 3925 9232 3935 9231 3932 9144
      3915 9142 3915 9164 3871 9165 3871 9174
      3868 9185 3856 9203 3858 9217 3864 9223
      3867 9236 3872 9235 3875 9241 3881 9239
      3887 9248 3893 9250 3897 9257 3900 9257

$$

JPK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 7:02 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis, Marion, Shelby58 min
Jul 27, 8:00 PM CDTSevere Thunderstorm WarningLSXLewis, Marion, Pike, Ralls45 min
Jul 27, 8:33 PM CDTFlash Flood WarningLSXLewis, Marion, Ralls6 hr
Jul 27, 8:44 PM CDTSevere Thunderstorm WarningLSXLincoln, Pike, Ralls46 min
Jul 27, 8:51 PM CDTFlash Flood WarningLSXPike, Ralls6 hr
Jul 27, 8:53 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby37 min
Jul 27, 9:07 PM CDTTornado WarningLSXMonroe, Shelby38 min
Jul 27, 9:31 PM CDTSevere Thunderstorm WarningLSXLincoln, Pike, Saint Charles, Saint Louis, City of Saint Louis44 min
Jul 27, 9:46 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Monroe59 min
Jul 27, 10:12 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery63 min
Jul 27, 10:15 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more45 min
Jul 27, 10:46 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway44 min
Jul 27, 10:56 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Lincoln, Montgomery, Warren49 min
Jul 27, 11:24 PM CDTFlash Flood WarningLSXLincoln6 hr
Jul 28, 1:48 AM CDTSevere Thunderstorm WarningLSXCrawford, Franklin42 min
Jul 28, 2:21 AM CDTRiver Flood WarningLSXLincoln61 hr
Jul 28, 5:24 AM CDTRiver Flood WarningLSXCallaway, Osage7 days
Jul 28, 5:24 AM CDTRiver Flood WarningLSXGasconade, Montgomery7 days
Jul 28, 10:28 AM CDTRiver Flood WarningLSXJefferson, Saint Louis8 days
Jul 28, 10:50 AM CDTRiver Flood WarningLSXRalls15 days
Jul 28, 11:02 AM CDTRiver Flood WarningLSXLewis72 hr
Jul 28, 11:28 AM CDTRiver Flood WarningLSXSaint Charles, Saint Louis6 days
Jul 28, 3:29 PM CDTRiver Flood WarningLSXSaint Charles7 days

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.