Alert archive / Missouri / Flash Flood Warnings in 2002

Flash Flood Warning 70, NWS Springfield, MO

August 19, 2002Dent County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 19, 2002, 10:04 PM CDT for Dent 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
Aug 19, 2002, 10:04 PM CDT (03:04 UTC)
Expired
Aug 20, 2002, 4:00 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County Dent County, MO

The radar

The St Louis radar (KLSX), 130 km from the middle of the area, began a volume at 03:06 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, 3.1 hours before the alert went out and 228 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 2002-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3042 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 2002-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
3042 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1610 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
16 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 
WGUS53 KSGF 200304
FFWSGF
MOC065-200900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1000 PM CDT MON AUG 19 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN DENT COUNTY IN SOUTH CENTRAL MISSOURI

* UNTIL 400 AM CDT

* AT 952 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED OVER FOUR INCHES OF RAIN HAS FALLEN NEAR   
  BOSS IN EXTREME EASTERN DENT COUNTY...WITH OVER TWO TO THREE
  INCHES NORTH AND EAST OF SALEM SINCE 8 PM. BUCKSNORT AND EAST FORK 
  HUZZAH CREEK BASINS WILL BE ESPECIALLY AFFECTED BY THIS WARNING 
  WITH LOCALLY SIX TO EIGHT INCHES OF RAIN EXPECTED BY MIDNIGHT. 

* 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...SALEM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH 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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3769 9117 3753 9117 3760 9183 3779 9182
          3778 9132

JLT
1 follow-up statement
609 
RWUS32 KSGF 200433
FFSSGF
MOC065-200830-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1128 PM CDT MON AUG 19 2002

...FLASH FLOOD WARNING CONTINUES UNTIL 4 AM CDT FOR NORTHERN DENT 
COUNTY...

AT 1115 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED HIGHWAY 32 
EAST OF SALEM FLOODED WITH ALMOST A FOOT OF WATER FLOWING OVER THE 
ROADWAY IN SOME PLACE EAST OF TOWN. ALSO NUMEROUS LOW WATER 
CROSSINGS WERE REPORTED FLOODED AND IMPASSABLE ACROSS THE NORTHERN 
PARTS OF THE COUNTY. DOPPLER RADAR ESTIMATED A BROAD AREA OF THREE 
TO FIVE INCHES OF RAIN HAD FALLEN OVER NORTHERN DENT COUNTY SINCE 8 
PM WITH LOCALLY FIVE TO EIGHT INCHES IN EXTREME EASTERN DENT COUNTY 
NEAR BOSS. 

ALTHOUGH THE THUNDERSTORMS ARE WEAKENING AND MOVING OUT OF THE 
COUNTY...RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...SALEM...STONE 
HILL...SLIGO...LENOX...LECOMA...LAKE SPRING...HOWES 
MILL...HOWES...BOSS...BANGERT AND ANUTT.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY.

LAT...LON 3755 9119 3758 9177 3778 9181 3777 9145
          3778 9133 3770 9116

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 7:25 PM CDTSevere Thunderstorm WarningSGFWright50 min
Aug 19, 7:55 PM CDTSevere Thunderstorm WarningSGFPulaski50 min
Aug 19, 8:05 PM CDTSevere Thunderstorm WarningSGFPolk40 min
Aug 19, 8:14 PM CDTSevere Thunderstorm WarningSGFWebster46 min
Aug 19, 8:34 PM CDTSevere Thunderstorm WarningSGFPhelps41 min
Aug 19, 8:44 PM CDTSevere Thunderstorm WarningSGFDallas, Polk46 min
Aug 19, 9:16 PM CDTSevere Thunderstorm WarningSGFGreene44 min
Aug 19, 9:30 PM CDTSevere Thunderstorm WarningSGFDade, Polk45 min
Aug 19, 9:33 PM CDTSevere Thunderstorm WarningSGFDent42 min
Aug 19, 9:38 PM CDTSevere Thunderstorm WarningSGFPhelps37 min
Aug 19, 9:56 PM CDTTornado WarningSGFDent49 min
Aug 20, 2:12 AM CDTFlash Flood WarningSGFMaries, Phelps6 hr
Aug 20, 2:20 AM CDTFlash Flood WarningSGFBenton, Morgan6 hr

Nearby

Flash Flood Warnings in Missouri, 2002Every flash flood warning in 2002

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.