Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 7, NWS Springfield, MO

April 13, 2012Phelps County, Pulaski County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 13, 2012, 11:00 PM CDT for Phelps County, Pulaski County, Missouri. It was in force for 5 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 13, 2012, 11:00 PM CDT (04:00 UTC)
Expired: Apr 14, 2012, 4:00 AM CDT
In force: 5 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Phelps County, MO, Pulaski County, MO

The radar

The St Louis radar (KLSX), 128 km from the middle of the area, began a volume at 04:00 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 14, 2:32 AM CDT	FLASH FLOOD	2 Ssw Dixon, MO	1 FOOT OF WATER FLOWING OVER HIGHWAY O ALONG JONES CREEK.

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 212 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: 677 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

082 
WGUS53 KSGF 140400
FFWSGF
MOC161-169-140900-
/O.NEW.KSGF.FF.W.0007.120414T0400Z-120414T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1100 PM CDT FRI APR 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN PULASKI COUNTY IN CENTRAL MISSOURI...
  PHELPS COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 400 AM CDT.

* AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  HEAVY RAIN PRODUCING THUNDERSTORMS MOVING INTO THE WARNING AREA    
  WITH RAINFALL RATES EXPECTED TO BE AN INCH TO BRIEFLY TWO INCHES   
  PER HOUR THROUGH 1 AM. THIS AREA RECEIVED 2 TO 4 INCHES OF RAIN    
  EARLIER IN THE DAY ON FRIDAY...AND THE GROUND IS SATURATED...SO    
  ANY ADDITIONAL HEAVY RAIN WILL QUICKLY BECOME RUNOFF PRODUCING     
  FLASH FLOODING. 

* 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...

HIGHWAY 8 FIVE MILES SOUTHEAST OF SAINT JAMES...
ROUTE O AT JONES CREEK JUST SOUTH OF DIXON...
ROUTE Y NORTHWEST OF ROLLA.

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 3779 9152 3780 9181 3775 9241 3802 9240
      3801 9197 3804 9195 3803 9193 3805 9189
      3805 9164 3815 9163 3815 9153 3814 9152

$$
DSA

1 follow-up statement

131 
WGUS73 KSGF 140711
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
211 AM CDT SAT APR 14 2012

MOC161-169-140900-
/O.CON.KSGF.FF.W.0007.000000T0000Z-120414T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PHELPS MO-PULASKI MO-
211 AM CDT SAT APR 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
NORTHERN PULASKI AND PHELPS COUNTIES...

AT 208 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUE TO TRACK OVER 
THE WARNED AREA.  SEVERAL WAVES OF THUNDERSTORMS WITH HEAVY RAIN 
HAVE OCCURRED OVER THE PAST 24 HOURS AND PRODUCED SEVERAL INCHES OF 
RAINFALL LEADING TO THE FLASH FLOOD WARNING.

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...

HIGHWAY 8 FIVE MILES SOUTHEAST OF SAINT JAMES...
ROUTE O AT JONES CREEK JUST SOUTH OF DIXON...
ROUTE Y NORTHWEST OF ROLLA...
ROUTE T NORTHWEST OF WAYNESVILLE...
ROUTE U AT TAVERN CREEK WEST OF CROCKER.

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 3779 9152 3780 9181 3775 9241 3802 9240
      3801 9197 3804 9195 3803 9193 3805 9189
      3805 9164 3815 9163 3815 9153 3814 9152

$$

LINDENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 7:03 PM CDT	Special Weather Statement	SGF	Dade	42 min
Apr 13, 7:15 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence	45 min
Apr 13, 7:59 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Lawrence	31 min
Apr 13, 8:18 PM CDT	Special Weather Statement	SGF	Greene	42 min
Apr 13, 8:28 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Dallas, Greene, Polk	25 min
Apr 13, 8:35 PM CDT	Severe Thunderstorm Warning	SGF	Greene	24 min
Apr 13, 9:10 PM CDT	Flash Flood Watch	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	13 hr
Apr 13, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Polk	36 min
Apr 13, 9:43 PM CDT	Flash Flood Warning	SGF	Camden, Maries, Miller, Morgan	6 hr
Apr 14, 1:11 AM CDT	Special Weather Statement	SGF	Morgan	49 min
Apr 14, 4:01 AM CDT	Areal Flood Warning	SGF	Camden, Maries, Miller, Morgan, Phelps, Pulaski	12 hr
Apr 14, 5:48 AM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 14, 7:12 AM CDT	Flash Flood Warning	SGF	Jasper, Lawrence, McDonald, Newton	6 hr
Apr 14, 12:53 PM CDT	Areal Flood Warning	SGF	Jasper, Newton	6 hr
Apr 14, 3:59 PM CDT	Areal Flood Warning	SGF	Benton, Camden, Laclede, Maries, Miller, Morgan and 2 more	9 hr
Apr 14, 4:01 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	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.