Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 71, NWS Springfield, MO

August 23, 2004Laclede County, Phelps County, Pulaski County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 23, 2004, 2:10 PM CDT for Laclede County, Phelps County, Pulaski 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 23, 2004, 2:10 PM CDT (19:10 UTC)
Expired: Aug 23, 2004, 8:00 PM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

Counties Laclede County, MO, Phelps County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 132 km from the middle of the area, began a volume at 19:11 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, 7.2 hours before the alert went out and 182 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: 2328 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 805 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 231914
FFWSGF
MOC105-161-169-240100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
210 PM CDT MON AUG 23 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LACLEDE COUNTY IN MISSOURI.
  PHELPS COUNTY IN MISSOURI.
  PULASKI COUNTY IN MISSOURI.

* UNTIL 800 PM CDT.

* AT 210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS...PRODUCING LOCALLY HEAVY RAINFALL ACROSS THE WARNED
  AREA. DOPPLER RADAR HAD ESTIMATED AN ADDITIONAL ONE TO TWO INCHES
  OF RAINFALL SINCE NOON ACROSS PORTIONS OF LACLEDE...PHELPS AND
  PULASKI COUNTIES. THESE ADDITIONAL AMOUNTS...COMBINED WITH 
  RAINFALL AMOUNTS FROM THIS MORNING...HAVE INCREASED TOTAL RAINFALL
  AMOUNTS OF THREE TO LOCALLY FIVE INCHES OF RAIN IN PORTIONS OF THE 
  WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE   
  FLOODING TO OCCUR. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL IS
  POSSIBLE IN THE WARNED AREA THROUGH THE AFTERNOON. 

A SECONDARY ROAD NORTH OF LEBANON HAS BEEN REPORTED FLOODED. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
SPRINGFIELD.

LAT...LON 3749 9283 3787 9284 3788 9263 3780 9254
      3790 9237 3790 9220 3804 9185 3804 9165
      3812 9163 3815 9154 3815 9154 3783 9155
      3779 9161 3779 9181 3761 9184 3761 9225
      3752 9231

$$


JLT

1 follow-up statement

000 
WGUS73 KSGF 231948
FFSSGF
MOC015-029-105-131-141-161-169-232100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
245 PM CDT MON AUG 23 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 430 PM CDT FOR 
CAMDEN...MILLER...BENTON AND MORGAN COUNTIES...AND UNTIL 800 PM CDT 
FOR LACLEDE...PULASKI AND PHELPS COUNTIES...

AT 235 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SIGNIFICANT 
FLOODING OCCURRING AROUND THE LAKE OF THE OZARKS. 

DOPPLER RADAR HAD ESTIMATED BETWEEN SIX TO EIGHT INCHES OF RAIN HAD 
FALLEN AROUND GRAVOIS MILLS...CAMDENTON...OSAGE BEACH AND LAURIE. IN 
ADDITION...A BROAD AREA OF FOUR TO SIX INCHES OF RAINFALL WAS 
INDICATED BY RADAR FROM NORTHERN BENTON COUNTY...SOUTHEAST TO 
NORTHERN CAMDEN COUNTY SINCE 8 AM.  

THE FOLLOWING ARE RAINFALL AMOUNTS AND FLOODING REPORTS AS OF 230 PM.

7.50 INCHES 5 MILES WEST OF LAURIE.
6.30 INCHES OF RAIN IN SUNRISE BEACH. 
6.50 INCHES OF RAIN 4 MILES SOUTH OF GRAVOIS MILLS.
4.50 INCHES OF RAIN IN LAURIE.
  
REPORTS OF FLOODING HAVE OCCURRED AROUND OSAGE BEACH...VERSAILLES 
AND CAMDENTON. HIGHWAY 52 IN THE CITY OF VERSAILLES...JUST WEST OF 
THE HIGHWAY 5 AND 52 INTERSECTION WAS REPORTED COVERED BY WATER. 

AREAS NEAR HIGHWAY 5 AND 54...IN THE CITY OF CAMDENTON ARE REPORTED 
FLOODING. 

COUNTY ROAD 592 ALONG POSSUM HOLLOW ROAD IS CLOSED DUE TO THE 
FLOODING. 

IN ADDITION...CAMPERS IN THE GRAVOIS CAMPGROUND...AND A TRAILER PARK 
COMMUNITY NEAR GRAVOIS MILLS...HAD TO BE EVACUATED DUE TO FLOODING 
ALONG THE GRAVOIS CREEK. 

&&

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 8:06 AM CDT	Severe Thunderstorm Warning	SGF	Dallas	39 min
Aug 23, 10:23 AM CDT	Flash Flood Warning	SGF	Benton, Camden, Miller, Morgan	6 hr

Nearby

Flash Flood Warnings in Missouri, 2004 Every 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.