Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 35, NWS St. Louis, MO

August 5, 2016Crawford County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 5, 2016, 8:53 PM CDT for Crawford 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: Aug 5, 2016, 8:53 PM CDT (01:53 UTC)
Expired: Aug 6, 2016, 2:45 AM CDT
In force: 6 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

County Crawford County, MO

The radar

The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 01:55 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
Aug 5, 9:02 PM CDT	FLASH FLOOD	3 W Steelville, MO	CAMPERS STRANDED AT THE INDIAN SPRINGS CAMP GROUND WEST OF STEELVILLE DUE DUE TO FLASH FLOODING.
Aug 5, 9:25 PM CDT	FLASH FLOOD	Cuba, MO	SMALL CREEK ON THE WEST SIDE OF CUBA FLOODED INUNDATING A MOBILE HOME PARK. RESIDENTS EVACUATED BY EMERGENCY SERVICES.

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, 1.9 hours before the alert went out and 246 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: 1836 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WGUS53 KLSX 060153
FFWLSX
MOC055-060745-
/O.NEW.KLSX.FF.W.0035.160806T0153Z-160806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
853 PM CDT FRI AUG 5 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 245 AM CDT

* AT 851 PM CDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF
  RAIN HAVE ALREADY FALLEN...AND ADDITIONAL HEAVY RAINFALL IS
  CONTINUING.  FLOODING OF SMALL CREEKS IS ALREADY OCCURRING, AND IS
  EXPECTED TO INTENSIFY DUE TO CONTINUING HEAVY RAIN.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SULLIVAN...CUBA...STEELVILLE...BOURBON...LEASBURG...CHERRYVILLE...
  ST. CLOUD...DILLARD...OAK HILL...COOK STATION...
  DAVISVILLE AND ROSATI.

THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 203 AND 218.
 
THIS ALSO INCLUDES  ONONDAGA CAVE STATE PARK AND DILLARD MILL
HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

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 CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 3770 9131 3779 9131 3779 9153 3821 9153
      3820 9110 3774 9110 3774 9115 3770 9115

$$

CARNEY

2 follow-up statements

193 
WGUS73 KLSX 060436
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1136 PM CDT FRI AUG 5 2016

MOC055-060745-
/O.CON.KLSX.FF.W.0035.000000T0000Z-160806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD MO-
1136 PM CDT FRI AUG 5 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR
CRAWFORD COUNTY...

AT 1133 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THAT THE HEAVY RAIN HAD ENDED ACROSS THE WARNING
AREA.  HOWEVER, RADAR AND TRAINED WEATHER SPOTTERS REPORTED
RAINFALL AMOUNTS OF 2 TO 3 INCHES WITH LOCALLY HIGHER AMOUNTS
ACROSS MUCH OF WESTERN AND CENTRAL CRAWFORD COUNTY.  RUNOFF FROM THE
HEAVY RAIN WILL CONTINUE TO CAUSE FLOODING ACROSS THE AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SULLIVAN...CUBA...STEELVILLE...BOURBON...LEASBURG...CHERRYVILLE...ST.
CLOUD...DILLARD...OAK HILL...COOK STATION...DAVISVILLE AND ROSATI.

THIS INCLUDES INTERSTATE 44 IN MISSOURI BETWEEN EXITS 203 AND 218.
 
THIS ALSO INCLUDES  ONONDAGA CAVE STATE PARK AND DILLARD MILL
HISTORIC SITE.
 
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 CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 3770 9131 3779 9131 3779 9153 3821 9153
      3820 9110 3774 9110 3774 9115 3770 9115

$$

CARNEY

449 
WGUS73 KLSX 060739
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
239 AM CDT SAT AUG 6 2016

MOC055-060749-
/O.EXP.KLSX.FF.W.0035.000000T0000Z-160806T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD MO-
239 AM CDT SAT AUG 6 2016

...THE FLASH FLOOD WARNING FOR CRAWFORD COUNTY WILL EXPIRE AT 245 AM
CDT...

FLOOD WATERS HAVE RECEDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3770 9131 3779 9131 3779 9153 3821 9153
      3820 9110 3774 9110 3774 9115 3770 9115

$$

MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 7:21 PM CDT	Flash Flood Warning	LSX	Gasconade	5 hr
Aug 5, 7:25 PM CDT	River Flood Warning	LSX	Lewis	67 hr
Aug 5, 7:53 PM CDT	Areal Flood Advisory	LSX	Crawford	4 hr
Aug 5, 11:24 PM CDT	Areal Flood Warning	LSX	Franklin	12 hr
Aug 5, 11:45 PM CDT	Areal Flood Warning	LSX	Osage	12 hr
Aug 6, 12:02 AM CDT	Areal Flood Warning	LSX	Gasconade	12 hr
Aug 6, 2:57 AM CDT	River Flood Warning	LSX	Osage	24 hr

Nearby

Flash Flood Warnings in Missouri, 2016 Every flash flood warning in 2016

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.