Alert archive / Missouri / Flash Flood Warnings in 2012

Flash Flood Warning 11, NWS Springfield, MO

April 15, 20126 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 15, 2012, 5:04 PM CDT for 6 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: Apr 15, 2012, 5:04 PM CDT (22:04 UTC)
Expired: Apr 15, 2012, 11:00 PM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Camden County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Phelps County, MO, Pulaski County, MO

The radar

The St Louis radar (KLSX), 142 km from the middle of the area, began a volume at 22:06 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 15, 8:58 PM CDT	FLASH FLOOD	Tuscumbia, MO	LAW ENFORCEMENT REPORTED SEVERAL LOW WATER CROSSINGS IMPASSABLE DUE TO HIGH WATER.

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 12:00Z, 10.1 hours before the alert went out and 198 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: 31 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 381 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.

075 
WGUS53 KSGF 152204
FFWSGF
MOC029-105-125-131-161-169-160400-
/O.NEW.KSGF.FF.W.0011.120415T2204Z-120416T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
504 PM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN CAMDEN COUNTY IN CENTRAL MISSOURI...
  EASTERN LACLEDE COUNTY IN SOUTHWEST MISSOURI...
  MARIES COUNTY IN CENTRAL MISSOURI...
  MILLER COUNTY IN CENTRAL MISSOURI...
  PHELPS COUNTY IN EAST CENTRAL MISSOURI...
  PULASKI COUNTY IN CENTRAL MISSOURI...

* UNTIL 1100 PM CDT.

* AT 500 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS THE WARNED 
  AREA. RADAR ESTIMATED THAT THESE STORMS WERE PRODUCING RAINFALL   
  AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL ON ALREADY SATURATED GROUND 
  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 HH IN TUSCUMBIA...
ROUTE N AT THE MARIES RIVER EAST OF BRINKTOWN...
HIGHWAY 8 FIVE MILES SOUTHEAST OF SAINT JAMES...
ROUTE O AT JONES CREEK JUST SOUTH OF DIXON...
ROUTE H...3 MILES NORTHWEST OF STOUTLAND.

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 3843 9241 3834 9240 3833 9223 3834 9220
      3830 9218 3829 9163 3816 9164 3815 9151
      3779 9153 3779 9180 3760 9182 3761 9224
      3748 9225 3748 9270 3844 9262

$$

FOSTER

3 follow-up statements

446 
WGUS73 KSGF 152255
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
555 PM CDT SUN APR 15 2012

MOC029-105-125-131-161-169-160400-
/O.CON.KSGF.FF.W.0011.000000T0000Z-120416T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN MO-LACLEDE MO-MARIES MO-MILLER MO-PHELPS MO-PULASKI MO-
555 PM CDT SUN APR 15 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
EASTERN CAMDEN...EASTERN LACLEDE...MARIES...MILLER...PHELPS AND
PULASKI COUNTIES...

AT 548 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS PHELPS COUNTY. 
THESE STORMS PRODUCED RAINFALL AMOUNTS AROUND ONE INCH WITH LOCAL 
AMOUNTS NEAR TWO INCHES. 

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 HH IN TUSCUMBIA...
ROUTE N AT THE MARIES RIVER EAST OF BRINKTOWN...
HIGHWAY 8 FIVE MILES SOUTHEAST OF SAINT JAMES...
ROUTE O AT JONES CREEK JUST SOUTH OF DIXON...
ROUTE H...3 MILES NORTHWEST OF STOUTLAND.

SCATTERED SHOWERS WILL CONTINUE INTO THE EARLY EVENING PRODUCING 
ADDITIONAL RAINFALL AMOUNTS UP TO ONE HALF INCH.

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. 

&&

LAT...LON 3843 9241 3834 9240 3833 9223 3834 9220
      3830 9218 3829 9163 3816 9164 3815 9151
      3779 9153 3779 9180 3760 9182 3761 9224
      3748 9225 3748 9270 3844 9262

$$

235 
WGUS73 KSGF 160158
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
858 PM CDT SUN APR 15 2012

MOC029-105-125-131-161-169-160400-
/O.CON.KSGF.FF.W.0011.000000T0000Z-120416T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN MO-LACLEDE MO-MARIES MO-MILLER MO-PHELPS MO-PULASKI MO-
858 PM CDT SUN APR 15 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
EASTERN CAMDEN...EASTERN LACLEDE...MARIES...MILLER...PHELPS AND
PULASKI COUNTIES...

AT 855 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
EXCESSIVE RAINFALL WAS PRODUCING FLASH FLOODING ACROSS THE WARNED 
AREA. DOPPLER RADAR HAS ESTIMATED ONE TO TWO INCHES OF RAINFALL HAS 
FALLEN IN THE WARNED AREA. LAW ENFORCEMENT HAVE REPORTED SEVERAL LOW 
WATER CROSSING ARE IMPASSABLE.

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 HH IN TUSCUMBIA...
ROUTE N AT THE MARIES RIVER EAST OF BRINKTOWN...
HIGHWAY 8 FIVE MILES SOUTHEAST OF SAINT JAMES...
ROUTE O AT JONES CREEK JUST SOUTH OF DIXON...
ROUTE H...3 MILES NORTHWEST OF STOUTLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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.

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 3843 9241 3834 9240 3833 9223 3834 9220
      3830 9218 3829 9163 3816 9164 3815 9151
      3779 9153 3779 9180 3760 9182 3761 9224
      3748 9225 3748 9270 3844 9262

$$

GRIFFIN

606 
WGUS73 KSGF 160402
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1102 PM CDT SUN APR 15 2012

MOC029-105-125-131-161-169-160411-
/O.EXP.KSGF.FF.W.0011.000000T0000Z-120416T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN MO-LACLEDE MO-MARIES MO-MILLER MO-PHELPS MO-PULASKI MO-
1102 PM CDT SUN APR 15 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR EASTERN CAMDEN...EASTERN
LACLEDE...MARIES...MILLER...PHELPS AND PULASKI COUNTIES...

THIS WARNING WAS REPLACED BY AN AREAL FLOOD WARNING IN EFFECT UNTIL 
1000 AM CDT MONDAY MORNING. 

LAT...LON 3843 9241 3834 9240 3833 9223 3834 9220
      3830 9218 3829 9163 3816 9164 3815 9151
      3779 9153 3779 9180 3760 9182 3761 9224
      3748 9225 3748 9270 3844 9262

$$

DSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 12:54 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, Dallas, Laclede, Maries, Miller and 4 more	12 hr
Apr 15, 4:13 AM CDT	Wind Advisory	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	14 hr
Apr 15, 7:21 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	39 min
Apr 15, 7:42 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	36 min
Apr 15, 8:20 AM CDT	Special Weather Statement	SGF	St. Clair	25 min
Apr 15, 8:45 AM CDT	Special Weather Statement	SGF	Benton	45 min
Apr 15, 8:55 AM CDT	Flash Flood Warning	SGF	Barton, Jasper, Newton	6 hr
Apr 15, 9:59 AM CDT	Special Weather Statement	SGF	Lawrence	31 min
Apr 15, 11:22 AM CDT	Special Weather Statement	SGF	Camden, Dallas	38 min
Apr 15, 12:39 PM CDT	Special Weather Statement	SGF	Jasper	36 min
Apr 15, 12:41 PM CDT	Special Weather Statement	SGF	Cedar	34 min
Apr 15, 12:50 PM CDT	Special Weather Statement	SGF	St. Clair	25 min
Apr 15, 12:52 PM CDT	Special Weather Statement	SGF	Cedar, Dade	38 min
Apr 15, 12:54 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	21 min
Apr 15, 1:14 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	29 min
Apr 15, 1:47 PM CDT	Special Weather Statement	SGF	Dallas, Greene	28 min
Apr 15, 1:49 PM CDT	Severe Thunderstorm Warning	SGF	Barry	14 min
Apr 15, 3:18 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	2 hr
Apr 15, 3:26 PM CDT	Flash Flood Warning	SGF	Christian, Greene, Stone, Taney, Webster	2 hr
Apr 15, 3:58 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede	26 min
Apr 15, 4:11 PM CDT	Severe Thunderstorm Warning	SGF	Miller, Morgan	22 min
Apr 15, 4:55 PM CDT	Areal Flood Advisory	SGF	Douglas, Ozark, Webster, Wright	6 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.