Alert archive / Missouri / Flash Flood Warnings in 2011

Flash Flood Warning 19, NWS Springfield, MO

April 25, 2011Dent County, Texas County, Wright County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 25, 2011, 1:12 AM CDT for Dent County, Texas County, Wright County, 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: Apr 25, 2011, 1:12 AM CDT (06:12 UTC)
Expired: Apr 25, 2011, 7:00 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Dent County, MO, Texas County, MO, Wright County, MO

The radar

The St Louis radar (KLSX), 155 km from the middle of the area, began a volume at 06:15 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

Time	Report	Where	Remark
Apr 25, 7:10 AM CDT	FLASH FLOOD	3 W Stone Hill, MO	ROUTE EE 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, 6.2 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 52 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -8.7

Open this sounding in Storm Lab

The text

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

812 
WGUS53 KSGF 250612
FFWSGF
MOC065-215-229-251200-
/O.NEW.KSGF.FF.W.0019.110425T0612Z-110425T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
112 AM CDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DENT COUNTY IN SOUTH CENTRAL MISSOURI...
  TEXAS COUNTY IN SOUTH CENTRAL MISSOURI...
  WRIGHT COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 700 AM CDT.

* AT 100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
  AREA OF HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED 
  RAINFALL RATES OVER ONE HALF INCH PER HOUR. ADDITIONAL RAINFALL  
  AMOUNTS AROUND AN INCH ARE EXPECTED OVERNIGHT ON TOP OF THE 
  4 TO 7 INCHES THAT HAS FALLEN IN RECENT DAYS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR. FLOODING WILL WORSEN OVERNIGHT AND STREAMS THAT HAD 
  STEADIED OFF WILL RAPIDLY RISE OVERNIGHT. 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 E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE M AT PARKS CREEK NEAR GROVESPRING...
HIGHWAY 119 AT PIGEON CREEK NEAR MONTAUK STATE PARK...
ROUTE U AT THE JACKS FORK 2 MILES NORTHWEST OF CLEAR SPRINGS...
ROUTE DD AT DRY FORK NORTHWEST OF SALEM.

WHILE FLOODING HAS BEEN OCCURRING OVER THIS AREA FOR MORE THAN A 
DAY...RAINFALL TONIGHT WILL RESULT IN A RENEWED RAPID RISE IN 
WATER LEVELS ON MANY CREEKS...STREAMS...AND LOW WATER CROSSINGS. DUE 
TO THIS RENEWED RAPID RISE OF WATER...A FLASH FLOOD WARNING HAS BEEN 
ISSUED AND REPLACES THE AREAL FLOOD WARNING PREVIOUSLY IN EFFECT.

ADDITIONAL HEAVY RAINFALL IS EXPECTED THROUGH MONDAY NIGHT.

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 3758 9117 3759 9131 3751 9131 3750 9120
      3742 9121 3742 9165 3705 9167 3707 9269
      3748 9269 3748 9225 3761 9224 3760 9182
      3779 9180 3779 9131 3771 9130 3770 9114

$$

FOSTER

2 follow-up statements

726 
WGUS73 KSGF 250758
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
258 AM CDT MON APR 25 2011

MOC065-215-229-251200-
/O.CON.KSGF.FF.W.0019.000000T0000Z-110425T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DENT MO-TEXAS MO-WRIGHT MO-
258 AM CDT MON APR 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
DENT...TEXAS AND WRIGHT COUNTIES...

AT 250 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LIGHT TO MODERATE RAINFALL ACROSS THE WARNED AREA. EXCESSIVE 
RAINFALL OVERNIGHT WAS PRODUCING FLASH FLOODING ACROSS THE WARNED 
AREA. RADAR ESTIMATED STORM TOTAL RAINFALL AMOUNTS OF 4 TO 8 INCHES 
AND ADDITIONAL AMOUNTS OF ONE HALF INCH WILL BE POSSIBLE THROUGH 
EARLY MORNING. 

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. MANY ROADS AND LOW 
WATER CROSSINGS ARE FLOODED AND CLOSED.

STREAM LEVELS THAT MAY HAVE RECEDED WILL RAPIDLY RISE THROUGH EARLY 
MORNING ACROSS THE WARNED AREA. 

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

ROUTE E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE M AT PARKS CREEK NEAR GROVESPRING...
HIGHWAY 119 AT PIGEON CREEK NEAR MONTAUK STATE PARK...
ROUTE U AT THE JACKS FORK 2 MILES NORTHWEST OF CLEAR SPRINGS...
ROUTE DD AT DRY FORK NORTHWEST OF SALEM.

ADDITIONAL ROUNDS OF HEAVY RAINFALL ARE EXPECTED THROUGH MONDAY 
NIGHT. 

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 3758 9117 3759 9131 3751 9131 3750 9120
      3742 9121 3742 9165 3705 9167 3707 9269
      3748 9269 3748 9225 3761 9224 3760 9182
      3779 9180 3779 9131 3771 9130 3770 9114

$$

FOSTER

827 
WGUS73 KSGF 251017
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
517 AM CDT MON APR 25 2011

MOC065-215-229-251200-
/O.CON.KSGF.FF.W.0019.000000T0000Z-110425T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DENT MO-TEXAS MO-WRIGHT MO-
517 AM CDT MON APR 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
DENT...TEXAS AND WRIGHT COUNTIES...

AT 513 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT RAINFALL HAD TEMPORARILY TAPERED OFF. HOWEVER...ADDITIONAL 
THUNDERSTORMS WITH HEAVY RAINFALL WERE SPREADING INTO FAR SOUTHWEST 
MISSOURI. THESE STORMS WILL LIKELY SPREAD NORTHEAST INTO THE WARNED 
AREA LATER THIS MORNING BRINGING MORE HEAVY RAINFALL.

RUNOFF FROM RECENT EXCESSIVE RAINFALL IS CAUSING FLASH FLOODING. 
CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY 
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING. MANY ROADS AND LOW 
WATER CROSSINGS ARE FLOODED...MANY STREAMS WILL REMAIN IN FLOOD WITH 
ADDITIONAL RISES LIKELY.

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

ROUTE E NORTH OF HIGHWAY 38 AT THE GASCONADE RIVER...
ROUTE M AT PARKS CREEK NEAR GROVESPRING...
HIGHWAY 119 AT PIGEON CREEK NEAR MONTAUK STATE PARK...
ROUTE U AT THE JACKS FORK 2 MILES NORTHWEST OF CLEAR SPRINGS...
ROUTE DD AT DRY FORK NORTHWEST OF SALEM...

ADDITIONAL ROUNDS OF HEAVY RAINFALL ARE EXPECTED THROUGH TONIGHT. 

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 3758 9117 3759 9131 3751 9131 3750 9120
      3742 9121 3742 9165 3705 9167 3707 9269
      3748 9269 3748 9225 3761 9224 3760 9182
      3779 9180 3779 9131 3771 9130 3770 9114

$$

FOSTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:09 PM CDT	Areal Flood Warning	SGF	Dade, Jasper, Lawrence, Polk	12 hr
Apr 24, 9:23 PM CDT	River Flood Warning	SGF	Jasper	66 hr
Apr 24, 10:26 PM CDT	Special Weather Statement	SGF	Jasper	49 min
Apr 24, 10:51 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Greene, Lawrence, McDonald, Newton and 2 more	8 hr
Apr 25, 3:55 AM CDT	Special Weather Statement	SGF	McDonald	50 min
Apr 25, 4:15 AM CDT	Special Weather Statement	SGF	Barry	60 min
Apr 25, 5:10 AM CDT	Special Weather Statement	SGF	Stone, Taney	65 min
Apr 25, 6:23 AM CDT	Flash Flood Warning	SGF	Jasper, McDonald, Newton	20 hr
Apr 25, 6:34 AM CDT	Flash Flood Warning	SGF	Barry, Christian, Greene, Lawrence, Stone, Webster	19 hr
Apr 25, 6:43 AM CDT	Flash Flood Warning	SGF	Dent, Douglas, Howell, Oregon, Ozark, Shannon and 3 more	19 hr
Apr 25, 6:47 AM CDT	River Flood Warning	SGF	Jasper	62 hr
Apr 25, 6:57 AM CDT	Areal Flood Warning	SGF	Dade, Dallas, Laclede, Phelps, Polk, Pulaski	24 hr
Apr 25, 10:49 AM CDT	River Flood Warning	SGF	Ozark	28 hr
Apr 25, 1:11 PM CDT	River Flood Warning	SGF	Jasper, Newton	38 hr
Apr 25, 4:30 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	60 min
Apr 25, 4:53 PM CDT	Tornado Warning	SGF	Ozark	37 min
Apr 25, 5:31 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	34 min

Nearby

Flash Flood Warnings in Missouri, 2011 Every 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.