Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 16, NWS Springfield, MO

April 24, 20115 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 24, 2011, 6:50 AM CDT for 5 counties in Missouri. It was in force for 7 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 24, 2011, 6:50 AM CDT (11:50 UTC)
Expired
Apr 24, 2011, 2:00 PM CDT
In force
7 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Shannon County, MO

The radar

The Springfield radar (KSGF), 157 km from the middle of the area, began a volume at 11:53 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, 9:31 AM CDTFLASH FLOOD14 E Eminence, MOHIGHWAY HH CLOSED DUE TO FLOODING.
Apr 24, 9:40 AM CDTFLASH FLOOD2 Ssw Round Spring, MOSPRING VALLEY CREEK OUT OF ITS BANKS

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, 11.8 hours before the alert went out and 191 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.

490 
WGUS53 KSGF 241150
FFWSGF
MOC067-091-149-153-203-241900-
/O.NEW.KSGF.FF.W.0016.110424T1150Z-110424T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
650 AM CDT SUN APR 24 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DOUGLAS COUNTY IN SOUTHWEST MISSOURI...
  HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...
  OREGON COUNTY IN SOUTH CENTRAL MISSOURI...
  OZARK COUNTY IN SOUTHWEST MISSOURI...
  SHANNON COUNTY IN SOUTH CENTRAL MISSOURI...

* UNTIL 200 PM CDT SUNDAY.

* AT 645 AM CDT...FLOODING WAS OCCURRING ON MANY STREAMS AND LOW 
  WATER CROSSINGS ACROSS THE WARNED AREA. NATIONAL WEATHER SERVICE 
  DOPPLER RADAR INDICATED ADDITIONAL SHOWERS AND THUNDERSTORMS     
  MOVING OUT OF OKLAHOMA INTO SOUTHERN MISSOURI. RADAR ESTIMATED 
  THAT 3 TO 7 INCHES HAD   FALLEN ACROSS THE WARNED AREA SINCE 
  SATURDAY. ADDITIONAL RAINFALL AMOUNTS OF 1 TO LOCALLY 2 INCHES IS 
  EXPECTED THIS MORNING.

* 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 FF AT HUNTER CREEK EAST OF AVA...
ROUTE H...3 MILES EAST OF WINONA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON.

ANOTHER ROUND OF MODERATE TO HEAVY RAINFALL THIS MORNING WILL LIKELY 
WORSEN THE FLOODING. 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.

THIS FLASH FLOOD WARNING REPLACES THE FLASH FLOOD WARNING PREVIOUSLY 
IN EFFECT.

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 3680 9277 3681 9291 3707 9290 3705 9167
      3742 9164 3741 9118 3726 9116 3725 9112
      3720 9112 3720 9109 3713 9101 3709 9103
      3708 9121 3684 9122 3682 9111 3650 9112
      3649 9277

$$

FOSTER
2 follow-up statements
907 
WGUS73 KSGF 241406
FFSSGF

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

MOC067-091-149-153-203-241900-
/O.CON.KSGF.FF.W.0016.000000T0000Z-110424T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MO-HOWELL MO-OREGON MO-OZARK MO-SHANNON MO-
906 AM CDT SUN APR 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
DOUGLAS...HOWELL...OREGON...OZARK AND SHANNON COUNTIES...

AT 856 AM CDT...THE DEPARTMENT OF TRANSPORTATION INDICATED FLASH 
FLOODING CONTINUED ACROSS THE WARNED AREA. ADDITIONAL RAINFALL IS 
EXPECTED THROUGH THE MORNING HOURS WITH AMOUNTS BETWEEN 1 AND 2 
INCHES FOR THE WARNED AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE 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 FF AT HUNTER CREEK EAST OF AVA...
ROUTE H...3 MILES EAST OF WINONA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON.

IN ADDITION TO THE RAINFALL THIS MORNING...ANOTHER ROUND OF HEAVY 
RAINFALL IS EXPECTED LATER TONIGHT WHICH WILL LIKELY WORSEN THE 
FLOODING. ADDITIONAL ROUNDS OF HEAVY RAINFALL ARE LIKELY TONIGHT AND 
MONDAY WITH ADDITIONAL AMOUNTS LIKELY TO EXCEED 4 INCHES. SERIOUS 
FLASH FLOODING IS EXPECTED TO IMPACT THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3680 9277 3681 9291 3707 9290 3705 9167
      3742 9164 3741 9118 3726 9116 3725 9112
      3720 9112 3720 9109 3713 9101 3709 9103
      3708 9121 3684 9122 3682 9111 3650 9112
      3649 9277

$$

HATCH
535 
WGUS73 KSGF 241640
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1140 AM CDT SUN APR 24 2011

MOC067-091-149-153-203-241900-
/O.CON.KSGF.FF.W.0016.000000T0000Z-110424T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MO-HOWELL MO-OREGON MO-OZARK MO-SHANNON MO-
1140 AM CDT SUN APR 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
DOUGLAS...HOWELL...OREGON...OZARK AND SHANNON COUNTIES...

AT 1137 AM CDT...THE DEPARTMENT OF TRANSPORTATION INDICATED THAT 
PREVIOUS EXCESSIVE RAINFALL CONTINUED TO PRODUCE FLASH FLOODING 
ACROSS THE WARNED AREA. RADAR ESTIMATED RAINFALL AMOUNTS SINCE 
SATURDAY HAVE RANGED FROM 3 TO 7 INCHES. NUMEROUS LOW WATER 
CROSSINGS REMAIN UNDER WATER.

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 FF AT HUNTER CREEK EAST OF AVA...
ROUTE H...3 MILES EAST OF WINONA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON.

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...

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 9277 3681 9291 3707 9290 3705 9167
      3742 9164 3741 9118 3726 9116 3725 9112
      3720 9112 3720 9109 3713 9101 3709 9103
      3708 9121 3684 9122 3682 9111 3650 9112
      3649 9277

$$

HATCH

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, 10:57 PM CDTFlash Flood WarningSGFDent, Douglas, Howell, Laclede, Phelps, Shannon and 3 more8 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, 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.