Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 30, NWS Springfield, MO

October 13, 2012Greene County, Missouri

NWS Springfield, MO issued this flash flood warning at Oct 13, 2012, 10:16 PM CDT for Greene County, Missouri. It was in force for 6 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: Oct 13, 2012, 10:16 PM CDT (03:16 UTC)
Expired: Oct 14, 2012, 4:00 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County Greene County, MO

The radar

The Springfield radar (KSGF), 5 km from the middle of the area, began a volume at 03:17 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
Oct 14, 12:39 AM CDT	FLASH FLOOD	Springfield, MO	KTTS RELAYED TO THE NWS THAT WILSONS CREEK WAS FLOODED OVER ITS BANKS...AT ITS INTERSECTION WITH SCENIC STREET. GAUGE LEVEL AT THIS TIME IS 10.22 FEET.
Oct 14, 1:00 AM CDT	FLASH FLOOD	Springfield, MO	OFF DUTY KSPR METEOROLOGIST RELAYED TO THE NWS THAT THE INTERSECTION OF FARM ROADS 146 AND 123...NEAR RUTLEDGE WILSON FARM...WAS FLOODED AND IMPASSABLE TO MOTORISTS. IT WAS ESTIMATED THAT WILSONS CREEKS WAS NEARLY 3 TO 4 FEET OVER THE ROADWAY.

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, 3.3 hours before the alert went out and 55 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: 135 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 729 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 347 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

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

402 
WGUS53 KSGF 140316
FFWSGF
MOC077-140900-
/O.NEW.KSGF.FF.W.0030.121014T0316Z-121014T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1016 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 400 AM CDT.

* AT 1012 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LARGE THUNDERSTORM COMPLEX ACROSS THE REGION.  WIDESPREAD HEAVY
  RAIN WAS IMPACTING GREENE COUNTY...INCLUDING THE CITY OF           
  SPRINGFIELD.  SEVERAL MEASUREMENTS ACROSS SPRINGFIELD WAS INDICATING
  THAT NEARLY TWO INCHES HAD FALLEN OVER THE CITY.  AN ADDITIONAL
  ONE TO TWO INCHES WILL BE POSSIBLE...AS THUNDERSTORMS CONTINUE ACROSS
  GREENE COUNTY.

* 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.

SOUTH CREEK...IN THE CITY OF SPRINGFIELD...WAS OVER ITS BANKS AND 
FLOODING SECTIONS OF SUNSET STREET.  

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 3710 9360 3728 9361 3728 9362 3743 9362
      3741 9308 3727 9308 3727 9306 3709 9306
      3709 9307

$$

CRAMER

2 follow-up statements

567 
WGUS73 KSGF 140744
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
244 AM CDT SUN OCT 14 2012

MOC077-140900-
/O.CON.KSGF.FF.W.0030.000000T0000Z-121014T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE MO-
244 AM CDT SUN OCT 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
GREENE COUNTY...

AT 239 AM CDT...WIDESPREAD HEAVY RAINFALL OVERNIGHT HAS CAUSED 
FLOODING OF SMALL STREAMS AND RIVERS ACROSS SOUTHERN AND CENTRAL 
GREENE COUNTY. RAINFALL HAS ENDED...HOWEVER...RUNOFF WILL CONTINUE 
TO FILL STREAMS EARLY THIS MORNING. 

SECTIONS OF WILSONS CREEK IN WEST SPRINGFIELD WERE FLOODED.  
MEANWHILE...IT APPEARS AS THOUGH THE JAMES RIVER IN SOUTHEAST 
SPRINGFIELD WILL ALSO FLOOD.  THERE ARE OTHER SMALL TRIBUTARIES 
ACROSS THE WARNED AREA THAT ARE ALSO FLOODED.

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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3710 9360 3728 9361 3728 9362 3743 9362
      3741 9308 3727 9308 3727 9306 3709 9306
      3709 9307

$$

CRAMER

929 
WGUS73 KSGF 140859
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
359 AM CDT SUN OCT 14 2012

MOC077-140908-
/O.EXP.KSGF.FF.W.0030.000000T0000Z-121014T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE MO-
359 AM CDT SUN OCT 14 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 400 AM CDT FOR GREENE
COUNTY...

THE FLASH FLOOD WARNING FOR BOTH GREENE AND WEBSTER COUNTIES HAVE 
BEEN REPLACED BY AN AREAL FLOOD WARNING.

LAT...LON 3710 9360 3728 9361 3728 9362 3743 9362
      3741 9308 3727 9308 3727 9306 3709 9306
      3709 9307

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:05 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	55 min
Oct 13, 7:08 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	52 min
Oct 13, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade	53 min
Oct 13, 7:55 PM CDT	Special Weather Statement	SGF	Lawrence	50 min
Oct 13, 8:12 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	33 min
Oct 13, 8:19 PM CDT	Tornado Warning	SGF	Lawrence	26 min
Oct 13, 8:27 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene, Polk	48 min
Oct 13, 8:38 PM CDT	Special Weather Statement	SGF	Polk	37 min
Oct 13, 8:43 PM CDT	Tornado Warning	SGF	Greene	32 min
Oct 13, 9:03 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	42 min
Oct 13, 9:10 PM CDT	Special Weather Statement	SGF	Camden, Dallas, Laclede	65 min
Oct 13, 9:24 PM CDT	Areal Flood Advisory	SGF	McDonald, Newton	5 hr
Oct 13, 9:39 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	25 min
Oct 13, 9:53 PM CDT	Special Weather Statement	SGF	Jasper	52 min
Oct 13, 9:55 PM CDT	Severe Thunderstorm Warning	SGF	Barry	33 min
Oct 13, 10:16 PM CDT	Severe Thunderstorm Warning	SGF	Stone	29 min
Oct 13, 10:41 PM CDT	Flash Flood Warning	SGF	Webster	5 hr
Oct 13, 11:18 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	57 min
Oct 14, 3:56 AM CDT	Areal Flood Warning	SGF	Greene, Webster	9 hr

Nearby

Flash Flood Warnings in Missouri, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.