Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 15, NWS Springfield, MO

April 30, 20124 counties in Missouri; Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this flash flood warning at Apr 30, 2012, 12:47 AM CDT for 4 counties in Missouri; Cherokee County, Crawford County, Kansas. 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 30, 2012, 12:47 AM CDT (05:47 UTC)
Expired
Apr 30, 2012, 7:00 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Cherokee County, KS, Crawford County, KS, Barton County, MO, Cedar County, MO, Jasper County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 88 km from the middle of the area, began a volume at 05:50 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 30, 1:39 AM CDTFLASH FLOOD2 Ene Mindenmines, MOHIGHWAY M FLOODED.
Apr 30, 1:39 AM CDTFLASH FLOODSsw Iantha, MOSEVERAL ROADS WITHIN IANTHA FLOODED AND IMPASSABLE.

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, 5.8 hours before the alert went out and 81 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 2012-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 913 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 2012-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
913 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

042 
WGUS53 KSGF 300547
FFWSGF
KSC021-037-MOC011-039-097-217-301200-
/O.NEW.KSGF.FF.W.0015.120430T0547Z-120430T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1247 AM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTON COUNTY IN SOUTHWEST MISSOURI...
  CEDAR COUNTY IN SOUTHWEST MISSOURI...
  CHEROKEE COUNTY IN SOUTHEAST KANSAS...
  NORTHWESTERN JASPER COUNTY IN SOUTHWEST MISSOURI...
  SOUTHEASTERN CRAWFORD COUNTY IN SOUTHEAST KANSAS...
  SOUTHERN VERNON COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 700 AM CDT.

* AT 1246 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. AREA RAIN GAUGES AND RADAR ESTIMATES INDICATE THAT 
  THESE STORMS ARE PRODUCING TORRENTIAL RAINFALL RATES OF ONE AND 
  A HALF TO THREE INCHES PER HOUR. WITH MULTIPLE ROUNDS OF 
  THUNDERSTORMS EXPECTED OVERNIGHT...WIDESPREAD FLASH FLOODING IS 
  EXPECTED.

* 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 7 AT LITTLE CHERRY CREEK NORTH OF COLUMBUS...
ROUTE K AT DRY WOOD CREEK EAST OF ARCADIA...
HIGHWAY 126 AT THE SPRING RIVER 3 MILES NORTH OF JASPER...
ROUTE M AT BEAR CREEK EAST OF STOCKTON...
ROUTE C AT HORSE CREEK EAST OF MILFORD.

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.

&&

LAT...LON 3737 9508 3744 9486 3767 9463 3778 9407
      3785 9381 3783 9381 3783 9363 3758 9362
      3759 9407 3735 9408 3735 9425 3715 9462
      3700 9462 3700 9508

$$

SCHAUMANN
2 follow-up statements
318 
WGUS73 KSGF 300808
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
308 AM CDT MON APR 30 2012

KSC021-037-MOC011-039-097-217-301200-
/O.CON.KSGF.FF.W.0015.000000T0000Z-120430T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE KS-CRAWFORD KS-BARTON MO-CEDAR MO-JASPER MO-VERNON MO-
308 AM CDT MON APR 30 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
BARTON...CEDAR...CHEROKEE...NORTHWESTERN JASPER...SOUTHEASTERN
CRAWFORD AND SOUTHERN VERNON COUNTIES...

AT 307 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
EXCESSIVE RAINFALL WAS PRODUCING FLASH FLOODING ACROSS THE WARNED 
AREA. RAIN GAUGES AND RADAR ESTIMATES INDICATE THAT 2 TO 5 INCHES OF 
RAIN HAS FALLEN ACROSS THE REGION OVERNIGHT. ADDITIONAL RAINFALL 
AMOUNTS OF AN INCH TO AN INCH AND A HALF ARE EXPECTED BETWEEN 3 AM 
AND 7 AM. THIS WILL LEAD TO WIDESPREAD FLASH FLOODING ACROSS THE 
REGION.

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

LAW ENFORCEMENT REPORTS THAT SEVERAL ROADS IN AND AROUND 
MINDENMINES AND IANTHA IN BARTON COUNTY ARE FLOODED AND CLOSED.

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 3737 9508 3744 9486 3767 9463 3778 9407
      3785 9381 3783 9381 3783 9363 3758 9362
      3759 9407 3735 9408 3735 9425 3715 9462
      3700 9462 3700 9508

$$

SCHAUMANN
195 
WGUS73 KSGF 301157
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
657 AM CDT MON APR 30 2012

KSC021-037-MOC011-039-097-217-301207-
/O.EXP.KSGF.FF.W.0015.000000T0000Z-120430T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE KS-CRAWFORD KS-BARTON MO-CEDAR MO-JASPER MO-VERNON MO-
657 AM CDT MON APR 30 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 AM CDT FOR BARTON...
CEDAR...CHEROKEE...NORTHWESTERN JASPER...SOUTHEASTERN CRAWFORD AND
SOUTHERN VERNON COUNTIES...

THE FLASH FLOOD WARNING HAS BEEN REPLACED BY AN AREAL FLOOD WARNING 
WHICH IS IN EFFECT UNTIL 7 PM.

LAT...LON 3737 9508 3744 9486 3767 9463 3778 9407
      3785 9381 3783 9381 3783 9363 3758 9362
      3759 9407 3735 9408 3735 9425 3715 9462
      3700 9462 3700 9508

$$

SCHAUMANN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 8:08 PM CDTRiver Flood WarningSGFVernon6 days
Apr 29, 9:03 PM CDTSevere Thunderstorm WarningSGFVernon57 min
Apr 29, 9:47 PM CDTFlash Flood WarningSGFCedar, St. Clair, Vernon9 hr
Apr 29, 9:50 PM CDTRiver Flood WarningSGFCedar3 days
Apr 29, 11:57 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon48 min
Apr 30, 12:46 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon16 min
Apr 30, 1:11 AM CDTSpecial Weather StatementSGFCedar49 min
Apr 30, 2:55 AM CDTAreal Flood AdvisorySGFBenton, Camden, Hickory, Miller, Morgan16 hr
Apr 30, 6:47 AM CDTRiver Flood WarningSGFVernon5 days
Apr 30, 6:54 AM CDTAreal Flood WarningSGFBarton, Cedar, Jasper, St. Clair, Vernon12 hr
Apr 30, 9:36 AM CDTRiver Flood WarningSGFBates, Vernon48 hr
Apr 29, 11:17 PM CDTSevere Thunderstorm WarningSGFCherokee, Crawford43 min
Apr 30, 12:05 AM CDTSevere Thunderstorm WarningSGFCherokee, Crawford25 min
Apr 30, 12:57 AM CDTSpecial Weather StatementSGFCherokee48 min
Apr 30, 9:36 AM CDTRiver Flood WarningSGFBourbon66 hr

Nearby

Flash Flood Warnings in Missouri, 2012Flash Flood Warnings in Kansas, 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.