Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 66, NWS Springfield, MO

July 24, 2004Ozark County, Missouri

NWS Springfield, MO issued this flash flood warning at Jul 24, 2004, 8:32 PM CDT for Ozark County, Missouri. It was in force for 6 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
Jul 24, 2004, 8:32 PM CDT (01:32 UTC)
Expired
Jul 25, 2004, 2:30 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County Ozark County, MO

The radar

The Springfield radar (KSGF), 101 km from the middle of the area, began a volume at 01:31 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

Little Rock, AR (KLZK), launched 00:00Z, 1.5 hours before the alert went out and 309 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, Little Rock, AR at 00:00Z on 2004-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 203 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, Little Rock, AR at 00:00Z on 2004-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
203 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 250137
FFWSGF
MOC153-250730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
832 PM CDT SAT JUL 24 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OZARK COUNTY IN SOUTHWEST MISSOURI.

* UNTIL 230 AM CDT.

* AT 826 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED TWO TO THREE INCHES OF RAIN HAS AFFECTED 
  THE LITTLE NORTH FORK RIVER BASIN IN NORTHWESTERN OZARK COUNTY THIS
  EVENING.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...GAINESVILLE...BRIXEY...DORA...HARDENVILLE...ISABELLA...
  LONG RUN...NOBLE...PONTIAC...ROCKBRIDGE...SUNDOWN...SYCAMORE AND   
  TECUMSEH...THEODOSIA...AND THORNFIELD.

RESIDENTS AND INTERESTS WITHIN THE LITTLE NORTH FORK...POND FORK...AND 
BARREN FORK BASINS SHOULD REMAIN ABREAST OF RAPID RISES IN WATER 
LEVELS.  DO NOT CROSS FLOODED OVER ROADWAYS.  FLASH FLOODING IS THE 
NUMBER ONE WEATHER RELATED KILLER IN THE OZARKS.

LAT...LON 3680 9276 3651 9275 3651 9248 3663 9215
      3679 9216

$$

CRAMER
2 follow-up statements
000 
WGUS73 KSGF 250230
FFSSGF
MOC153-250730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
928 PM CDT SAT JUL 24 2004

...FLASH FLOOD WARNING CONTINUES FOR OZARK COUNTY UNTIL 230 AM CDT...

AT 926 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THUNDERSTORMS WITH VERY HEAVY RAINFALL AFFECTED MUCH OF NORTHERN 
OZARK COUNTY THIS EVENING.  RUNOFF FROM THIS EXCESSIVE RAINFALL WILL 
LIKELY CAUSE SMALL STREAMS AND CREEKS TO RISE RAPIDLY AND FLOOD LOW 
LYING AREAS...ALONG WITH LOW WATER CROSSINGS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...BRIXEY...DORA...HARDENVILLE...ISABELLA...LONG 
RUN...NOBLE...ROCKBRIDGE...SUNDOWN...SYCAMORE...TECUMSEH AND 
THEODOSIA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO 
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.  DO NOT ATTEMPT TO CROSS FLOODED 
ROADWAYS.  FLASH FLOODING IS THE NUMBER ONE WEATHER RELATED KILLER 
IN THE MISSOURI OZARKS.

$$

CRAMER
000 
WGUS73 KSGF 250636
FFSSGF
MOC153-250730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
135 AM CDT SUN JUL 25 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR OZARK COUNTY HAS
BEEN CANCELLED...

AT 120 AM...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT EXCESS 
RUNOFF FROM HEAVY RAIN HAD ENDED OVER THE WARNED AREA. STREAMS AND 
CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO 
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN 
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

$$

TERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 8:06 PM CDTFlash Flood WarningSGFDouglas3 hr
Jul 24, 10:48 PM CDTFlash Flood WarningSGFDouglas6 hr

Nearby

Flash Flood Warnings in Missouri, 2004Every flash flood warning in 2004

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.