Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 23, NWS Springfield, MO

May 7, 2012Barton County, Missouri

NWS Springfield, MO issued this flash flood warning at May 7, 2012, 12:54 AM CDT for Barton County, Missouri. It was in force for 5 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
May 7, 2012, 12:54 AM CDT (05:54 UTC)
Expired
May 7, 2012, 6:00 AM CDT
In force
5 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Barton County, MO

The radar

The Springfield radar (KSGF), 90 km from the middle of the area, began a volume at 05:57 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 00:00Z, 5.9 hours before the alert went out and 86 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 2012-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 768 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 2012-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
768 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
1686 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
47 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.

721 
WGUS53 KSGF 070554
FFWSGF
MOC011-071100-
/O.NEW.KSGF.FF.W.0023.120507T0554Z-120507T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1254 AM CDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTON COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 600 AM CDT.

* AT 1252 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE    
  WARNED AREA. RADAR ESTIMATED RAINFALL AMOUNTS OF ONE TO TWO INCHES 
  SINCE 11 PM. ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF AN INCH WILL 
  BE POSSIBLE.   

* 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 K AT DRY WOOD CREEK EAST OF ARCADIA...
HIGHWAY 126 AT THE SPRING RIVER 3 MILES NORTH OF JASPER...
ROUTE C AT HORSE CREEK EAST OF MILFORD.

LAW ENFORCEMENT OFFICIALS ALSO REPORT THAT PONDING OF WATER WAS 
OCCURRING ON AREA ROADS IN THE LAMAR AREA.

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 3765 9461 3764 9408 3756 9407 3735 9408
      3737 9462

$$

FOSTER
2 follow-up statements
281 
WGUS73 KSGF 070653
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
153 AM CDT MON MAY 7 2012

MOC011-071100-
/O.CON.KSGF.FF.W.0023.000000T0000Z-120507T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-
153 AM CDT MON MAY 7 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
BARTON COUNTY...

AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT RAINFALL HAD DIMINISHED ACROSS THE WARNED AREA. RADAR ESTIMATED 
RAINFALL AMOUNTS OF ONE TO TWO INCHES ACROSS PORTIONS OF BARTON 
COUNTY SINCE SUNDAY EVENING. 

RUNOFF FROM THIS EXCESSIVE RAINFALL COULD CAUSE FLASH FLOODING OF 
SMALL STREAMS AND LOW WATER CROSSINGS.  

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

ROUTE K AT DRY WOOD CREEK EAST OF ARCADIA...
HIGHWAY 126 AT THE SPRING RIVER 3 MILES NORTH OF JASPER...
ROUTE C AT HORSE CREEK EAST OF MILFORD.

ADDITIONAL SHOWERS CAN BE EXPECTED OVERNIGHT WITH ADDITIONAL 
RAINFALL AMOUNTS UP TO ONE HALF INCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. 
&&

LAT...LON 3765 9461 3764 9408 3756 9407 3735 9408
      3737 9462

$$

FOSTER
592 
WGUS73 KSGF 071053
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
553 AM CDT MON MAY 7 2012

MOC011-071103-
/O.EXP.KSGF.FF.W.0023.000000T0000Z-120507T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-
553 AM CDT MON MAY 7 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 AM CDT FOR BARTON
COUNTY...

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. ADDITIONAL LIGHT TO MODERATE 
RAINFALL WILL BE POSSIBLE IN AN INTERMITTENT FASHION THIS 
MORNING...HOWEVER THIS ACTIVITY IS NOT EXPECTED TO RESULT IN FLASH 
FLOODING. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR 
LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3765 9461 3764 9408 3756 9407 3735 9408
      3737 9462

$$

GAGAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:51 PM CDTFlash Flood WatchSGFBarton, Benton, Camden, Cedar, Dade, Dallas and 10 more7 hr
May 6, 11:01 PM CDTSpecial Weather StatementSGFVernon29 min
May 6, 11:06 PM CDTSevere Thunderstorm WarningSGFSt. Clair, Vernon24 min
May 6, 11:29 PM CDTSpecial Weather StatementSGFVernon31 min
May 6, 11:38 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon24 min
May 6, 11:40 PM CDTFlash Flood WarningSGFCedar, St. Clair, Vernon6 hr
May 6, 11:52 PM CDTSpecial Weather StatementSGFBarton38 min
May 6, 11:55 PM CDTSevere Thunderstorm WarningSGFBarton35 min
May 7, 1:04 AM CDTRiver Flood WarningSGFVernon43 hr
May 7, 2:15 AM CDTSpecial Weather StatementSGFMcDonald30 min

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.