Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 19, NWS Springfield, MO

September 24, 1993Barton County, Jasper County, Missouri

NWS Springfield, MO issued this flash flood warning at Sep 24, 1993, 4:29 AM CDT for Barton County, Jasper County, Missouri. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Sep 24, 1993, 4:29 AM CDT (09:29 UTC)
Expired: Sep 24, 1993, 9:30 AM CDT
In force: 5 hr
Issued by: NWS Springfield, MO
Area: Whole counties

Counties Barton County, MO, Jasper County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 9.5 hours before the alert went out and 70 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 49 J/kg
Mixed-layer CIN: -230 J/kg
Mixed-layer LCL: 806 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 240929
FFWSGF
MOC011-057-167-097-241430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
429 AM CDT FRI SEP 24 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 930 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      BARTON...DADE...SOUTHERN POLK...JASPER

AT 420 AM CDT RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAINFALL CONTINUED TO MOVE ACROSS BARTON...DADE...SOUTHERN
POLK AND NORTHERN JASPER COUNTIES. THIS SAME AREA RECEIVED
HEAVY RAINFALL LAST NIGHT AND ANY ADDITIONAL RAINFALL WILL
PRODUCE RAPID RUNOFF AND RAPID RISES IN STREAMS AND CREEKS.
MOST VULNERABLE WILL BE THE LOW LYING AREAS ALONG STREAMS AND
CREEKS...PARTICULARILY LOW WATER BRIDGES.

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT.  IT IS IMPORTANT TO
KNOW WHERE YOU ARE IN RELATION TO STREAMS...RIVERS...OR CREEKS THAT
CAN BzECOME DEADLY WHEN SWOLLEN BY HEAVY RAIN.  CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS WHEN HEAVY RAIN THREATENS.

 MURPHY

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Sep 24, 2:14 AM CDT, 2 hours 15 minutes before

MOZ015-016-019-020-021-241030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
205 AM CDT FRI SEP 24 1993

...HEAVY RAIN WILL CONTINUE ACROSS SOUTHWEST AND SOUTH CENTRAL
MISSOURI TONIGHT...

AN AREA OF THUNDERSTORMS WITH HEAVY RAIN CONTINUED ACROSS SOUTHWEST
AND SOUTH CENTRAL MISSOURI NORTHEAST OF A LINE FROM 25 MILES NORTH
OF SPRINGFIELD NEAR BOLIVAR TO SPRINGFIELD TO NEAR WEST PLAINS.

THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES PER
HOUR AND CONTINUE TO MOVE OVER THE SAME AREAS PRODUCING HEAVY
RAINFALL.

THE GROUND IS MOST LIKELY SATURATED FROM RAINFALL LAST NIGHT AND
ANY ADDITIONAL HEAVY RAINFALL WILL CAUSE RAPID RUNOFF AND SMALL
STREAMS AND CREEKS WILL BEGIN TO RISE RAPIDLY. LOW LEVEL AND STREET
FLOODING COULD BECOME A PROBLEM THIS MORNING.

ANOTHER LARGE AREA OF THUNDERSTORMS OVER SOUTHEAST KANSAS IS LIKELY
TO MOVE INTO SOUTHWEST MISSOURI BRINGING ADDITIONAL HEAVY RAINFALL.

PERSONS ACROS(S SOUTHWEST AND SOUTH CENTRAL MISSOURI SHOULD REMAIN
ALERT TO THE WEATHER CONDITIONS AND BE PREPARED TO MOVE TO HIGHER
GROUND IF NECESSARY. NEVER ATTEMPT TO DRIVE THROUGH WATER THAT
COVERS A ROADWAY.
MURPHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 24, 4:29 AM CDT	Flash Flood Warning	SGF	Dade, Polk	5 hr

Nearby

Flash Flood Warnings in Missouri, 1993 Every flash flood warning in 1993

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.