Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 21, NWS St. Louis, MO

May 6, 1996Cole County, Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 6, 1996, 9:50 AM CDT for Cole County, Moniteau County, Missouri. It was in force for 4 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
May 6, 1996, 9:50 AM CDT (14:50 UTC)
Expired
May 6, 1996, 1:45 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Cole County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 153 km from the middle of the area, began a volume at 14:51 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, 2.8 hours before the alert went out and 221 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 1996-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 1996-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 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
3 J/kg
Mixed-layer CIN
-369 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
338 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 
TTAA00 KSTL 061454
FFWSTL
MOC051-135-151-061845-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
950 AM CDT MON MAY 6 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...COLE COUNTY...MONITEAU COUNTY...OSAGE COUNTY
 
AT 940 AM CDT...WSR-88D DOPPLER RADAR AT ST. LOUIS SHOWED A NEARLY
EAST-WEST CLUSTER OF THUNDERSTORMS EXTENDING FROM 40 MILES WEST OF
JEFFERSON CITY TO ST. CLAIR MISSOURI IN FRANKLIN COUNTY.
SOME OF THE STRONGER THUNDERSTORMS...PRODUCING HEAVY RAINFALL WERE
LOCATED IN MONITEAU...COLES AND OSAGE COUNTIES IN CENTRAL MISSOURI.
SOME CITIES IN THE FLASH FLOOD WARNED AREA INCLUDE JEFFERSON CITY...
HIGH POINT...BRAZITO...AND LINN. THESE STORMS CONTINUE TO SLOWLY MOVE
EAST-SOUTHEAST AT SPEEDS OF 15 TO 20 MPH.
 
RAINFALL ESTIMATES OF 1.5 TO 2.0 INCHES HAVE OCCURRED SINCE 800 AM CDT.
PREVIOUS RAINS HAVE ALREADY SATURATED THE GROUND. THEREFORE ADDITIONAL
RAINFALL IS EXPECTED TO PRODUCE FLASH FLOODING.
 
A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTHERN HALF OF MISSOURI
THROUGH LATE THIS AFTERNOON.
 
IF FLASH FLOODINGv IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER
GROUND. NEVER...NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE
ROAD...ESPECIALLY LOW-WATER BRIDGES.
 
PRZYBYLINSKI

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:50 AM CDTFlash Flood WarningLSXOsage4 hr
May 6, 10:41 AM CDTFlash Flood WarningLSXCole, Moniteau7 hr

Nearby

Flash Flood Warnings in Missouri, 1996Every flash flood warning in 1996

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.