Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 62, NWS Springfield, MO

November 21, 20114 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Nov 21, 2011, 10:43 PM CST for 4 counties in Missouri. It was in force for 6 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
Nov 21, 2011, 10:43 PM CST (04:43 UTC)
Expired
Nov 22, 2011, 5:00 AM CST
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, MO, Howell County, MO, Ozark County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 89 km from the middle of the area, began a volume at 04:46 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
Nov 22, 3:00 AM CSTFLASH FLOOD6 Sw Theodosia, MOTEMPORARY BRIDGE ON HIGHWAY 00 NEAR THE TOWN OF OCIE WASHED OUT. TIME ESTIMATED.

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, 4.7 hours before the alert went out and 105 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 2011-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2011-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.1939587897117Sfc1 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
404 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
109 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.

301 
WGUS53 KSGF 220443
FFWSGF
MOC067-091-153-213-221100-
/O.NEW.KSGF.FF.W.0062.111122T0443Z-111122T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1043 PM CST MON NOV 21 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DOUGLAS COUNTY IN SOUTHWEST MISSOURI...
  EASTERN TANEY COUNTY IN SOUTHWEST MISSOURI...
  HOWELL COUNTY IN SOUTH CENTRAL MISSOURI...
  OZARK COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 500 AM CST TUESDAY.

* AT 1036 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  AN AREA OF VERY HEAVY RAINFALL ACROSS THE WARNED AREA.  ONE TO TWO 
  INCHES OF RAIN HAS FALLEN ACROSS THE WARNED AREA IN THE LAST TWO   
  TO THREE HOURS...AND UP TO AN ADDITIONAL TWO INCHES OF RAIN IS     
  POSSIBLE THROUGH EARLY MORNING. 

* 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 W AT CANEY CREEK JUST EAST OF BROWNBRANCH...
ROUTE FF AT HUNTER CREEK EAST OF AVA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON...
HIGHWAY 142 AT THE BENNETTS RIVER WEST OF MOODY.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3650 9314 3682 9290 3707 9290 3704 9166
      3649 9167 3649 9314

$$

BOXELL
3 follow-up statements
520 
WGUS73 KSGF 220647
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1247 AM CST TUE NOV 22 2011

MOC067-091-153-213-221100-
/O.CON.KSGF.FF.W.0062.000000T0000Z-111122T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MO-HOWELL MO-OZARK MO-TANEY MO-
1247 AM CST TUE NOV 22 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR
DOUGLAS...EASTERN TANEY...HOWELL AND OZARK COUNTIES...

AT 1235 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT MODERATE TO HEAVY RAINFALL CONTINUED ACROSS THE WARNED AREA. 
RADAR ESTIMATED ONE TO TWO INCHES OF RAIN HAD FALLEN SINCE MONDAY 
EVENING. 

ADDITIONAL RAINFALL AMOUNTS OF ONE TO ONE AND HALF INCHES WILL BE 
POSSIBLE ACROSS OZARK AND HOWELL COUNTIES WITH LESSER AMOUNTS ACROSS 
TANEY AND DOUGLAS COUNTIES. THE RAIN WILL TAPER OFF FROM THE WEST 
DURING THE OVERNIGHT HOURS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR MAINLY ON SMALL STREAMS AND LOW WATER CROSSINGS.

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

ROUTE W AT CANEY CREEK JUST EAST OF BROWNBRANCH...
ROUTE FF AT HUNTER CREEK EAST OF AVA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON...
HIGHWAY 142 AT THE BENNETTS RIVER WEST OF MOODY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. 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. 

&&

LAT...LON 3650 9314 3682 9290 3707 9290 3704 9166
      3649 9167 3649 9314

$$

FOSTER
554 
WGUS73 KSGF 220900
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
300 AM CST TUE NOV 22 2011

MOC067-091-153-213-221100-
/O.CON.KSGF.FF.W.0062.000000T0000Z-111122T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MO-HOWELL MO-OZARK MO-TANEY MO-
300 AM CST TUE NOV 22 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR
DOUGLAS...EASTERN TANEY...HOWELL AND OZARK COUNTIES...

AT 252 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT RAIN HAD ENDED ACROSS THE WARNED AREA. RADAR ESTIMATED THAT ONE 
TO LOCALLY THREE INCHES OF RAIN HAD FALLEN SINCE MONDAY EVENING. THE 
HEAVIEST RAINFALL OCCURRED ACROSS OZARK COUNTY.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE LOCALIZED FLASH 
FLOODING TO OCCUR ON SMALL STREAMS AND LOW WATER CROSSINGS.

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

ROUTE W AT CANEY CREEK JUST EAST OF BROWNBRANCH...
ROUTE FF AT HUNTER CREEK EAST OF AVA...
ROUTE FF AT TURKEY CREEK EAST OF AVA...
HIGHWAY 142 AT THE SPRING RIVER WEST OF LANTON...
HIGHWAY 142 AT THE BENNETTS RIVER WEST OF MOODY.

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 3650 9314 3682 9290 3707 9290 3704 9166
      3649 9167 3649 9314

$$

FOSTER
588 
WGUS73 KSGF 221053
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
453 AM CST TUE NOV 22 2011

MOC067-091-153-213-221101-
/O.EXP.KSGF.FF.W.0062.000000T0000Z-111122T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DOUGLAS MO-HOWELL MO-OZARK MO-TANEY MO-
453 AM CST TUE NOV 22 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 AM CST FOR DOUGLAS...
EASTERN TANEY...HOWELL AND OZARK COUNTIES...

HEAVY RAIN HAS ENDED OVER THE WARNED AREA. WHILE THE RISK OF FLASH 
FLOODING HAS ENDED...WATER LEVELS ON SOME STREAMS MAY CONTINUE TO 
RISE AND LOW WATER CROSSINGS MAY BE IMPACTED BY RISING WATER.

A AREAL FLOOD WARNING HAS BEEN ISSUED AND REPLACES THE FLASH FLOOD 
WARNING PREVIOUSLY IN EFFECT. 

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 3650 9314 3682 9290 3707 9290 3704 9166
      3649 9167 3649 9314

$$

FOSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 12:10 AM CSTFlash Flood WarningSGFOregon, Shannon5 hr
Nov 22, 4:49 AM CSTAreal Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon, Taney7 hr

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.