Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 29, NWS Springfield, MO

October 12, 2012McDonald County, Newton County, Missouri

NWS Springfield, MO issued this flash flood warning at Oct 12, 2012, 8:47 AM CDT for McDonald County, Newton County, Missouri. It was in force for 4 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
Oct 12, 2012, 8:47 AM CDT (13:47 UTC)
Expired
Oct 12, 2012, 1:00 PM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties McDonald County, MO, Newton County, MO

The radar

The Tulsa radar (KINX), 112 km from the middle of the area, began a volume at 13:49 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, 1.8 hours before the alert went out and 66 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 2012-10-12Temperature 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 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 12:00Z on 2012-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.193958Sfc1 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
578 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
231 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.

734 
WGUS53 KSGF 121347
FFWSGF
MOC119-145-121800-
/O.NEW.KSGF.FF.W.0029.121012T1347Z-121012T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
847 AM CDT FRI OCT 12 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCDONALD COUNTY IN SOUTHWEST MISSOURI...
  SOUTHERN NEWTON COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 100 PM CDT.

* AT 843 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. TWO TO THREE INCHES OF RAIN HAS FALLEN OVER NORTHERN  
  MCDONALD COUNTY IN THE LAST TWO 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...

HIGHWAY 43 AT BUFFALO CREEK WEST OF ANDERSON...
ROUTE DD AT THE ELK RIVER JUST NORTH OF NOEL...
HIGHWAY 76 3 MILES WEST OF ANDERSON...
HIGHWAY 90 AT LITTLE SUGAR CREEK NEAR JANE...
ROUTE AA AT BUFFALO CREEK JUST WEST OF HIGHWAY 71.

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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3649 9462 3650 9463 3683 9462 3684 9406
      3649 9408

$$

BOXELL
2 follow-up statements
976 
WGUS73 KSGF 121602
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1102 AM CDT FRI OCT 12 2012

MOC119-145-121800-
/O.CON.KSGF.FF.W.0029.000000T0000Z-121012T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCDONALD MO-NEWTON MO-
1102 AM CDT FRI OCT 12 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
MCDONALD AND SOUTHERN NEWTON COUNTIES...

AT 1055 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT BETWEEN THREE AND FIVE INCHES OF RAIN HAS FALLEN OVER SOUTHERN 
NEWTON AND MCDONALD COUNTIES IN MISSOURI.  THE HEAVIEST RAINFALL WAS 
BETWEEN ANDERSON AND GOODMAN. 

THIS HEAVY RAINFALL IS LIKELY TO RESULT IN FLASH FLOODING. 
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...

HIGHWAY 43 AT BUFFALO CREEK WEST OF ANDERSON...
ROUTE DD AT THE ELK RIVER JUST NORTH OF NOEL...
HIGHWAY 76 3 MILES WEST OF ANDERSON...
HIGHWAY 90 AT LITTLE SUGAR CREEK NEAR JANE...
ROUTE AA AT BUFFALO CREEK JUST WEST OF HIGHWAY 71.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3649 9462 3650 9463 3683 9462 3684 9406
      3649 9408

$$

BOXELL
772 
WGUS73 KSGF 121750
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1250 PM CDT FRI OCT 12 2012

MOC119-145-121800-
/O.EXP.KSGF.FF.W.0029.000000T0000Z-121012T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCDONALD MO-NEWTON MO-
1250 PM CDT FRI OCT 12 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR MCDONALD AND SOUTHERN
NEWTON COUNTIES...

EXCESS RUNOFF FROM HEAVY RAIN HAS 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.

LAT...LON 3649 9462 3650 9463 3683 9462 3684 9406
      3649 9408

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 3:40 AM CDTSevere Thunderstorm WarningSGFDade, Lawrence50 min
Oct 12, 3:52 AM CDTAreal Flood AdvisorySGFBarton6 hr
Oct 12, 4:09 AM CDTSevere Thunderstorm WarningSGFChristian, Greene46 min
Oct 12, 5:35 AM CDTAreal Flood AdvisorySGFDade, Jasper, Lawrence4 hr
Oct 12, 8:29 AM CDTAreal Flood AdvisorySGFJasper, McDonald, Newton4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.