Alert archive / Missouri / Flash Flood Warnings in 2000

Flash Flood Warning 16, NWS St. Louis, MO

August 8, 2000Boone County, Callaway County, Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 8, 2000, 1:55 AM CDT for Boone County, Callaway County, Moniteau County, 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 counties it named.

The facts

Issued
Aug 8, 2000, 1:55 AM CDT (06:55 UTC)
Expired
Aug 8, 2000, 7:00 AM CDT
In force
5 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

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

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 06:57 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, 6.9 hours before the alert went out and 252 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 2000-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2405 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 2000-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
2405 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1671 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.2
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 080707
FFWLSX
MOC019-027-135-081200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
155 AM CDT TUE AUG 8 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...

  BOONE COUNTY IN CENTRAL MISSOURI
  CALLAWAY COUNTY IN CENTRAL MISSOURI
  NORTHERN MONITEAU COUNTY IN CENTRAL MISSOURI

* UNTIL 700 AM CDT

* AT 155 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED NEWLY DEVELOPED
 THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM FULTON WESTWARD TO 10
MILES SOUTHWEST OF BOONVILLE.  HOWEVER...NEW STORMS CONTINUE TO
DEVELOP ON THE WEST END OF THIS LINE AND IT APPEARS THAT RAIN...VERY
HEAVY AT TIMES...WILL CONTINUE TO DELUGE THE AREA FOR AT LEAST THE
NEXT COUPLE OF HOURS. THERE IS A POSSIBILITY THAT EVEN MORE STORMS
COULD DEVELOP...FURTHER EXASTERBATING THE PROBLEM.

RAINFALL ESTIMATES BY NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATE AS MUCH AS 4 TO 7 INCHES OF RAIN HAS FALLEN IN A NARROW
CORRIDOR FROM NEAR CALIFORNIA TO FULTON...AND AS FAR NORTH AS
INTERSTATE 70.

DUE TO THE LENGTH OF TIME THE RAINFALL HAS BEEN FALLING...OVER EIGHT
HOURS...NO DOUBT CREEKS...AND NOW RIVERS...ARE SWOLLEN OR FLOODED
AND THE EARLY MORNING LIGHT WILL FIND A NUMBER OF STREETS AND
SECONDARY ROADS FLOODED AS WELL.

THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT FOR THE REMAINDER OF
THE NIGHT. IF YOU ARE GETTING OUT TO MAKE AN EARLY START FOR
WORK...BE SURE TO ABSOLUTELY NOT DRIVE IN FLOWING WATER, EVEN IF IT
MEANS YOU WILL HAVE TO TAKE ANOTHER ROUTE AND BE LATE FOR WORK. MANY
PEOPLE WILL HAVE THE SAME PROBLEM SO USE GOOD JUDGEMENT!

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

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:03 PM CDTSevere Thunderstorm WarningLSXWarren57 min
Aug 7, 7:18 PM CDTSevere Thunderstorm WarningLSXSaint Charles57 min
Aug 7, 7:39 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole51 min
Aug 7, 7:39 PM CDTSevere Thunderstorm WarningLSXAudrain51 min
Aug 7, 8:08 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis52 min
Aug 7, 8:14 PM CDTSevere Thunderstorm WarningLSXGasconade, Montgomery, Osage61 min
Aug 7, 8:16 PM CDTSevere Thunderstorm WarningLSXWarren44 min
Aug 7, 8:29 PM CDTSevere Thunderstorm WarningLSXFranklin61 min
Aug 7, 8:46 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles44 min
Aug 7, 9:13 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis47 min
Aug 7, 10:06 PM CDTFlash Flood WarningLSXBoone, Callaway, Moniteau5 hr
Aug 7, 10:13 PM CDTSevere Thunderstorm WarningLSXBoone47 min
Aug 7, 10:40 PM CDTSevere Thunderstorm WarningLSXCallaway50 min
Aug 7, 11:01 PM CDTSevere Thunderstorm WarningLSXMoniteau44 min
Aug 7, 11:09 PM CDTSevere Thunderstorm WarningLSXOsage51 min
Aug 7, 11:22 PM CDTSevere Thunderstorm WarningLSXGasconade, Montgomery38 min
Aug 8, 1:07 AM CDTSevere Thunderstorm WarningLSXBoone38 min

Nearby

Flash Flood Warnings in Missouri, 2000Every flash flood warning in 2000

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.