Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 6, NWS Springfield, MO

April 13, 20124 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 13, 2012, 9:43 PM CDT for 4 counties in Missouri. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 13, 2012, 9:43 PM CDT (02:43 UTC)
Expired
Apr 14, 2012, 4:00 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Camden County, MO, Maries County, MO, Miller County, MO, Morgan County, MO

The radar

The Springfield radar (KSGF), 142 km from the middle of the area, began a volume at 02:43 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.

What was reported inside it

TimeReportWhereRemark
Apr 14, 1:45 AM CDTFLASH FLOOD10 Wnw Laurie, MOFRANKLIN ROAD FLOODED WITH 6 TO 8 INCHES OF RUNNING WATER. DEER RIDGE...LITTLE BUFFALO...AND IVY BEND ROADS ALSO REPORTED TO BE FLOODED IN THAT AREA.
Apr 14, 1:48 AM CDTFLASH FLOOD2 N Dixon, MO3 FEET OF WATER OVER FARM ROAD 624 ALONG MARIES RIVER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 193 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 2012-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 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 2012-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
677 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
202 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.

033 
WGUS53 KSGF 140243
FFWSGF
MOC029-125-131-141-140900-
/O.NEW.KSGF.FF.W.0006.120414T0243Z-120414T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
943 PM CDT FRI APR 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CAMDEN COUNTY IN CENTRAL MISSOURI...
  MARIES COUNTY IN CENTRAL MISSOURI...
  MILLER COUNTY IN CENTRAL MISSOURI...
  MORGAN COUNTY IN CENTRAL MISSOURI...

* UNTIL 400 AM CDT SATURDAY.

* AT 929 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO THE 
  WARNING AREA. RAINFALL RATES OF OVER AN INCH PER HOUR ARE          
  OCCURRING IN PARTS OF THE WARNING AREA. THIS AREA SAW RAINFALL OF  
  2 TO 3 INCHES OF RAIN EARLIER IN THE DAY AND THE GROUND IS         
  SATURATED. ADDITIONAL RAINFALL WILL QUICKLY BECOME RUNOFF TO       
  PRODUCE FLASH FLOODING. ANOTHER ONE TO TWO INCHES OF RAIN WILL BE  
  POSSIBLE BY MIDNIGHT. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
  SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

ROUTE HH IN TUSCUMBIA...
ROUTE N AT THE MARIES RIVER EAST OF BRINKTOWN...
ROUTE H...3 MILES NORTHWEST OF STOUTLAND...
ROUTE K AT ATWELL CREEK 5 MILES SOUTHEAST OF IBERIA...
ROUTE BB AT GABRIEL CREEK NEAR FLORENCE.

A LOW WATER BRIDGE WAS WAS REPORTED FLOODED AT KELSEY AND MORGAN 
ROADS IN NORTHERN MORGAN COUNTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

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 OR IN A VEHICLE.

&&

LAT...LON 3869 9284 3860 9283 3844 9262 3843 9241
      3834 9240 3834 9220 3830 9218 3829 9166
      3805 9166 3805 9189 3804 9195 3801 9197
      3802 9240 3786 9241 3780 9254 3790 9263
      3790 9307 3869 9307

$$

DSA
1 follow-up statement
748 
WGUS73 KSGF 140709
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
209 AM CDT SAT APR 14 2012

MOC029-125-131-141-140900-
/O.CON.KSGF.FF.W.0006.000000T0000Z-120414T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN MO-MARIES MO-MILLER MO-MORGAN MO-
209 AM CDT SAT APR 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
CAMDEN...MARIES...MILLER AND MORGAN COUNTIES...

AT 204 AM CDT...TRAINED WEATHER SPOTTERS REPORTED SOME FLASH 
FLOODING ALONG THE MARIES RIVER AND FARM ROAD 624 IN SOUTHERN MARIES 
COUNTY.  THE FLOODING IS IN RESPONSE TO SEVERAL WAVES OF HEAVY RAIN 
WHICH HAS AFFECTED THE REGION THROUGHOUT THE PAST 24 HOURS.  THE 
MAIN AREA OF HEAVY RAIN HAS EXITED THE WARNING AREA...HOWEVER RUNOFF 
FLOODING WILL LIKELY PERSIST FOR THE NEXT FEW HOURS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...

ROUTE HH IN TUSCUMBIA...
ROUTE N AT THE MARIES RIVER EAST OF BRINKTOWN...
ROUTE H...3 MILES NORTHWEST OF STOUTLAND...
ROUTE K AT ATWELL CREEK 5 MILES SOUTHEAST OF IBERIA...
ROUTE BB AT GABRIEL CREEK NEAR FLORENCE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3869 9284 3860 9283 3844 9262 3843 9241
      3834 9240 3834 9220 3830 9218 3829 9166
      3805 9166 3805 9189 3804 9195 3801 9197
      3802 9240 3786 9241 3780 9254 3790 9263
      3790 9307 3869 9307

$$

LINDENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:03 PM CDTSpecial Weather StatementSGFDade42 min
Apr 13, 7:15 PM CDTSevere Thunderstorm WarningSGFDade, Jasper, Lawrence45 min
Apr 13, 7:59 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence31 min
Apr 13, 8:18 PM CDTSpecial Weather StatementSGFGreene42 min
Apr 13, 8:28 PM CDTSevere Thunderstorm WarningSGFDade, Dallas, Greene, Polk25 min
Apr 13, 8:35 PM CDTSevere Thunderstorm WarningSGFGreene24 min
Apr 13, 9:10 PM CDTFlash Flood WatchSGFBarton, Benton, Camden, Cedar, Dade, Dallas and 11 more13 hr
Apr 13, 9:24 PM CDTSevere Thunderstorm WarningSGFCedar, Dade, Polk36 min
Apr 13, 11:00 PM CDTFlash Flood WarningSGFPhelps, Pulaski5 hr
Apr 14, 1:11 AM CDTSpecial Weather StatementSGFMorgan49 min
Apr 14, 4:01 AM CDTAreal Flood WarningSGFCamden, Maries, Miller, Morgan, Phelps, Pulaski12 hr
Apr 14, 5:48 AM CDTSpecial Weather StatementSGFJasper27 min
Apr 14, 7:12 AM CDTFlash Flood WarningSGFJasper, Lawrence, McDonald, Newton6 hr
Apr 14, 12:53 PM CDTAreal Flood WarningSGFJasper, Newton6 hr
Apr 14, 3:59 PM CDTAreal Flood WarningSGFBenton, Camden, Laclede, Maries, Miller, Morgan and 2 more9 hr
Apr 14, 4:01 PM CDTAreal Flood WarningSGFDallas, Polk9 hr

Nearby

Flash Flood Warnings in Missouri, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.