Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 12, NWS Springfield, MO

April 23, 20119 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 23, 2011, 10:57 PM CDT for 9 counties in Missouri. It was in force for 8 hr. 1 report 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 23, 2011, 10:57 PM CDT (03:57 UTC)
Expired
Apr 24, 2011, 7:00 AM CDT
In force
8 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Dent County, MO, Douglas County, MO, Howell County, MO, Laclede County, MO, Phelps County, MO, Shannon County, MO, Texas County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 149 km from the middle of the area, began a volume at 03:57 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.

What was reported inside it

TimeReportWhereRemark
Apr 24, 6:00 AM CDTFLASH FLOOD4 Wnw Clear Springs, MOHIGHWAY U CLOSED DUE TO FLOODING.

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, 4.0 hours before the alert went out and 192 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 2011-04-24Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2011-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
747 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

713 
WGUS53 KSGF 240357
FFWSGF
MOC065-067-091-105-161-203-215-225-229-241200-
/O.NEW.KSGF.FF.W.0012.110424T0357Z-110424T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1057 PM CDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DENT COUNTY IN SOUTH CENTRAL MISSOURI...
  DOUGLAS COUNTY IN SOUTHWEST MISSOURI...
  NORTHERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...
  SHANNON COUNTY IN SOUTH CENTRAL MISSOURI...
  SOUTHEASTERN LACLEDE COUNTY IN SOUTHWEST MISSOURI...
  SOUTHERN PHELPS COUNTY IN EAST CENTRAL MISSOURI...
  TEXAS COUNTY IN SOUTH CENTRAL MISSOURI...
  WEBSTER COUNTY IN SOUTHWEST MISSOURI...
  WRIGHT COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 700 AM CDT SUNDAY.

* AT 1048 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
  EXCESSIVE RAINFALL WAS PRODUCING FLASH FLOODING ACROSS THE
  WARNED AREA. 

* 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.

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

ROUTE KK AT GLADDEN CREEK JUST NORTH OF AKERS...
ROUTE E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE FF AT HUNTER CREEK EAST OF AVA.

THE HEAVIEST RAINFALL HAS AFFECTED AREAS FROM DOUGLAS COUNTY INTO 
CENTRAL SHANNON COUNTIES SINCE 4 PM WHERE 3 TO 5 INCHES OF RAINFALL 
HAS OCCURRED.  THIS HAS CAUSED SOME SIGNIFICANT FLASH FLOODING TO 
DEVELOP AND WILL LIKELY CONTINUE DURING THE OVERNIGHT HOURS.

SEVERAL ROADWAYS ACROSS DOUGLAS...TEXAS AND SHANNON COUNTIES HAVE 
BEEN CLOSED DUE TO WATER OVER THE ROADWAYS.  ADDITIONAL HEAVY RAIN 
WAS BEGINNING TO SET UP FROM NORTHEAST OKLAHOMA INTO NORTHERN 
ARKANSAS.  THIS HEAVY RAIN WILL LIKELY MOVE NORTHEAST INTO THE 
WARNING AREA DURING THE OVERNIGHT HOURS...BRINGING ANOTHER 1 TO 3 
INCHES OF RAINFALL TO THE REGION.

MORE ROUNDS OF HEAVY RAIN ARE EXPECTED THROUGH THE WEEKEND AND INTO 
THE MIDDLE PORTION OF NEXT WEEK WHERE SEVERAL MORE INCHES OF RAIN 
CAN BE EXPECTED.  THIS WILL LIKELY PROMPT ADDITIONAL FLASH FLOOD 
WARNINGS.

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 3680 9273 3707 9273 3709 9306 3730 9305
      3761 9215 3760 9204 3764 9203 3780 9152
      3779 9131 3771 9130 3770 9115 3759 9115
      3759 9130 3751 9131 3750 9120 3726 9115
      3725 9111 3720 9111 3716 9102 3710 9102

$$

LINDENBERG
2 follow-up statements
007 
WGUS73 KSGF 240700
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
200 AM CDT SUN APR 24 2011

MOC065-067-091-105-161-203-215-225-229-241200-
/O.CON.KSGF.FF.W.0012.000000T0000Z-110424T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DENT MO-DOUGLAS MO-HOWELL MO-LACLEDE MO-PHELPS MO-SHANNON MO-TEXAS 
MO-WEBSTER MO-WRIGHT MO-
200 AM CDT SUN APR 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
DENT...DOUGLAS...NORTHERN HOWELL...SHANNON...SOUTHEASTERN LACLEDE...
SOUTHERN PHELPS...TEXAS...WEBSTER AND WRIGHT COUNTIES...

AT 151 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
EXCESSIVE RAINFALL WAS PRODUCING FLASH FLOODING ACROSS THE WARNED 
AREA.  RAINFALL AMOUNTS FROM THREE TO SIX INCHES HAVE OCCURRED SINCE 
LATE THIS AFTERNOON.  ADDITIONAL HEAVY RAINFALL DEVELOPED DURING THE 
LATE EVENING AND WAS PUSHING ACROSS THE WARNING AREA EARLY THIS 
MORNING.  RAINFALL AMOUNTS OF A HALF INCH TO INCH PER HOUR WERE 
OCCURRING WITH THIS SECOND ROUND OF HEAVY RAINFALL WHICH WILL 
PERSIST THROUGH 4 AM.

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.

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

ROUTE KK AT GLADDEN CREEK JUST NORTH OF AKERS...
ROUTE E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE FF AT HUNTER CREEK EAST OF AVA.

SEVERAL FLOODED ROADWAYS HAVE BEEN CLOSED BY THE MISSOURI HIGHWAY 
DEPARTMENT WITHIN THE WARNING AREA.  

A NEARLY STATIONARY FRONTAL BOUNDARY WILL BRING A CONTINUED CHANCE 
OF HEAVY RAINFALL TO THE REGION THROUGH THE MIDDLE OF NEXT WEEK.  
SEVERAL INCHES OF ADDITIONAL WIDESPREAD RAINFALL WILL BE POSSIBLE 
WHICH WILL LIKELY LEAD TO MORE FLASH FLOODING.


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 3680 9273 3707 9273 3709 9306 3730 9305
      3761 9215 3760 9204 3764 9203 3780 9152
      3779 9131 3771 9130 3770 9115 3759 9115
      3759 9130 3751 9131 3750 9120 3726 9115
      3725 9111 3720 9111 3716 9102 3710 9102

$$

LINDENBERG
866 
WGUS73 KSGF 240925
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
425 AM CDT SUN APR 24 2011

MOC065-067-091-105-161-203-215-225-229-241200-
/O.CON.KSGF.FF.W.0012.000000T0000Z-110424T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DENT MO-DOUGLAS MO-HOWELL MO-LACLEDE MO-PHELPS MO-SHANNON MO-TEXAS MO-
WEBSTER MO-WRIGHT MO-
425 AM CDT SUN APR 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
DENT...DOUGLAS...NORTHERN HOWELL...SHANNON...SOUTHEASTERN LACLEDE...
SOUTHERN PHELPS...TEXAS...WEBSTER AND WRIGHT COUNTIES...

AT 420 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT RAIN HAD TEMPORARILY ENDED ACROSS THE WARNED AREA...BUT 
ADDITIONAL SHOWERS AND THUNDERSTORMS WERE DEVELOPING ACROSS 
OKLAHOMA. RADAR ESTIMATED RAINFALL AMOUNTS SINCE SATURDAY HAVE 
RANGED FROM 3 TO 7 INCHES. 

RUNOFF FROM THIS EXCESSIVE RAINFALL IS CAUSING FLASH FLOODING OF 
MANY STREAMS AND LOW WATER CROSSINGS. SEVERAL STATE AND COUNTY ROADS 
ARE CLOSED DUE TO FLOODING.

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

ROUTE KK AT GLADDEN CREEK JUST NORTH OF AKERS...
ROUTE E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE FF AT HUNTER CREEK EAST OF AVA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
GREENWOOD ROAD AT THE POMME DE TERRE HEADWATERS.

ANOTHER ROUND OF HEAVY RAINFALL IS EXPECTED LATER THIS MORNING WHICH 
WILL LIKELY WORSEN THE FLOODING. ADDITIONAL RAINFALL AMOUNTS OF ONE 
TO TWO INCHES WILL BE POSSIBLE BY MIDDAY. ADDITIONAL ROUNDS OF HEAVY 
RAINFALL ARE LIKELY LATER TODAY AND MONDAY WITH ADDITIONAL AMOUNTS 
LIKELY TO EXCEED 4 INCHES. SERIOUS FLASH FLOODING IS EXPECTED TO 
IMPACT THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND...DONT DROWN.

&&

LAT...LON 3680 9273 3707 9273 3709 9306 3730 9305
      3761 9215 3760 9204 3764 9203 3780 9152
      3779 9131 3771 9130 3770 9115 3759 9115
      3759 9130 3751 9131 3750 9120 3726 9115
      3725 9111 3720 9111 3716 9102 3710 9102

$$

FOSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:10 PM CDTSevere Thunderstorm WarningSGFDent, Texas21 min
Apr 23, 7:14 PM CDTSevere Thunderstorm WarningSGFDouglas, Texas, Wright46 min
Apr 23, 7:20 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon40 min
Apr 23, 7:29 PM CDTSpecial Weather StatementSGFOzark31 min
Apr 23, 7:58 PM CDTSevere Thunderstorm WarningSGFHowell, Oregon, Shannon62 min
Apr 23, 8:29 PM CDTRiver Flood WarningSGFMcDonald4 days
Apr 23, 8:37 PM CDTRiver Flood WarningSGFStone5 days
Apr 23, 9:04 PM CDTSpecial Weather StatementSGFOregon26 min
Apr 23, 9:32 PM CDTSpecial Weather StatementSGFDent28 min
Apr 23, 9:55 PM CDTRiver Flood WarningSGFShannon70 hr
Apr 23, 11:01 PM CDTSevere Thunderstorm WarningSGFBarry, Stone, Taney27 min
Apr 23, 11:57 PM CDTFlash Flood WarningSGFBarry, Christian, Douglas, McDonald, Stone, Taney7 hr
Apr 24, 12:53 AM CDTFlash Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon6 hr
Apr 24, 6:36 AM CDTFlash Flood WarningSGFBarry, Christian, McDonald, Newton, Stone, Taney7 hr
Apr 24, 6:50 AM CDTFlash Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon7 hr
Apr 24, 7:03 AM CDTAreal Flood WarningSGFDallas, Dent, Laclede, Phelps, Pulaski, Texas and 2 more7 hr
Apr 24, 7:12 AM CDTAreal Flood WarningSGFDade, Greene, Jasper, Lawrence, Polk7 hr
Apr 24, 8:01 AM CDTRiver Flood WarningSGFOzark14 hr
Apr 24, 8:22 AM CDTSpecial Weather StatementSGFTaney53 min
Apr 24, 1:45 PM CDTFlash Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon, Taney17 hr
Apr 24, 1:51 PM CDTAreal Flood WarningSGFDallas, Dent, Greene, Laclede, Phelps, Pulaski and 3 more17 hr
Apr 24, 1:59 PM CDTAreal Flood WarningSGFBarry, Christian, McDonald, Newton, Stone17 hr
Apr 24, 2:59 PM CDTSpecial Weather StatementSGFOregon31 min

Nearby

Flash Flood Warnings in Missouri, 2011Every flash flood warning in 2011

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.