Alert archive / Missouri / Flash Flood Warnings in 1994

Flash Flood Warning 12, NWS Springfield, MO

April 11, 1994Dallas County, Laclede County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 11, 1994, 8:53 AM CDT for Dallas County, Laclede County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 1994, 8:53 AM CDT (13:53 UTC)
Expired
Apr 11, 1994, 12:00 PM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Dallas County, MO, Laclede County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 1.9 hours before the alert went out and 123 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 1994-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1994-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 575 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
575 m²/s²
0-3 km storm-relative helicity
872 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 111357
FFWSGF
MOC043-059-077-105-167-209-111700-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
853 AM CDT MON APR 11 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL NOON CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...CHRISTIAN COUNTY...DALLAS COUNTY...GREENE COUNTY
   ...LACLEDE COUNTY...POLK COUNTY...STONE COUNTY
 
THUNDERSTORMS PRODUCING TORRENTIAL RAIN CONTINUE TO TRACK ACROSS
SOUTHWEST MISSOURI OVER THE SAME AREA. THIS HAS PRODUCED LARGE AMOUNTS
OF RAIN OVERNIGHT CAUSING CREEKS...SMALL RIVERS...SINKHOLES...AND
DRAINAGE DITCHES TO FLOOD NEARBY ROADS AND LOW LYING AREAS.
 
ADDITIONAL HEAVY RAIN IS FORECAST THROUGHOUT THE MORNING AND AFTERNOON.
SOME OF THE STRONGER THUNDERSTORMS OVER THE WARNED AREA MAY PRODUCE
STRONG GUSTY WIND AND HAIL.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR 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.`
 
LEE
 
&

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, Apr 11, 4:44 AM CDT, 4 hours 9 minutes before
MOZ066-077>082-088>098-101>108-101130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
440 AM CST SUN APR 10 1994

AT 430 AM THUNDERSTORMS CONTINUE TO THE EAST OF A
LEBANON-MARSHFIELD-TABLE ROCK LAKE LINE.  THERE WAS ONE INTENSE
THUNDERSTORM LEFT AND IT WAS ON THE COUNTY LINE BETWEEN TANEY AND OZARK
COUNTIES.  IT IS GOING TO PASS TO THE AREAS AROUND
THEODOSIA...GAINESVILLE AND TECUMSEH AND PERIODS OF VERY HEAVY
RAIN...GUSTY @WINDS AND SOME SMALL HAIL OUGHT TO BE EXPECTED FOR THE
HOUR BETWEEN 445 AND 545 AM CDT.

NINE
Special weather statement, Apr 11, 4:49 AM CDT, 4 hours 4 minutes before
MOZ066-077>082-088>098-101>108-111200-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
445 AM CDT MON APR 11 1994

...A FLASH FLOOD WARNING IS IN EFFECT FOR MOST COUNTIES OF SOUTHWEST
   MISSOURI UNTIL 615 AM CDT...
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 AM CDT...AND A
   FLASH FLOOD WATCH OVERNIGHT THROUGH MONDAY MORNING...

THUNDERSTORMS HAVE DEVELOPED OVER SOUTHERN TANEY AND OZARK COUNTIES
DURING THE PAST HOUR.  THE STORMS ARE NOT SEVERE AT THIS TIME BUT THEY
ARE PRODUCING HEAVY RAIN AND SOME SMALL HAIL.  THOSE STORMS WILL MOVE
NORTHEAST AND REACH THE COMMUNITIES OF ISABELLA...GAINESVILLE AND
WASOLA BY 5 AM CDT.

ANOTHER AREA OF STRONGER STORMS WERE OVER VERNON AND BARTON COUNTIES.
THOSE STORMS ARE PRODUCING HEAVY RAIN IN EXCESS OF ONE INCH PER HOUR
ON THE COMMUNITIES OF NEVADA...MOUNDVILLE...SHELDON AND LIBERAL.
DANGEROUS FLASH FLOODING IS ALREADY OCCURRING IN THOSE COUNTIES AND
FLOODING WILL CONTIRNUE THROUGH TODAY AND TONIGHT.

THOSE STORMS ARE ALSO PRODUCING SMALL HAIL AND GUSTY WINDS.

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 7:34 PM CDTSevere Thunderstorm WarningSGFJasper, McDonald, Newton56 min
Apr 10, 7:34 PM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Polk, Vernon56 min
Apr 10, 7:44 PM CDTSevere Thunderstorm WarningSGFBarry, Christian, Stone61 min
Apr 10, 7:44 PM CDTSevere Thunderstorm WarningSGFGreene61 min
Apr 10, 8:00 PM CDTFlash Flood WarningSGFChristian, Dallas, Douglas, Greene, Laclede, Webster and 1 more6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFPolk6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFStone, Taney6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFOzark6 hr
Apr 10, 9:00 PM CDTSevere Thunderstorm WarningSGFChristian, Stone60 min
Apr 10, 9:11 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon64 min
Apr 10, 9:42 PM CDTTornado WarningSGFDouglas, Webster, Wright63 min
Apr 10, 11:01 PM CDTSevere Thunderstorm WarningSGFTexas59 min
Apr 11, 12:11 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Jasper, Lawrence6 hr
Apr 11, 12:11 AM CDTFlash Flood WarningSGFVernon6 hr
Apr 11, 12:11 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton6 hr
Apr 11, 12:25 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon65 min
Apr 11, 1:52 AM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Vernon68 min
Apr 11, 4:57 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark33 min
Apr 11, 6:16 AM CDTFlash Flood WarningSGFBarton, Cedar, Vernon6 hr
Apr 11, 6:16 AM CDTFlash Flood WarningSGFDade, Jasper, Lawrence6 hr
Apr 11, 7:14 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton5 hr
Apr 11, 8:53 AM CDTFlash Flood WarningSGFChristian, Greene, Stone3 hr
Apr 11, 8:53 AM CDTFlash Flood WarningSGFPolk3 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFBarry, McDonald, Newton6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFChristian, Greene, Lawrence, Stone, Webster6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Jasper6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFDallas, Laclede6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFPolk6 hr
Apr 11, 3:28 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper47 min

Nearby

Flash Flood Warnings in Missouri, 1994Every flash flood warning in 1994

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.