Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 39, NWS St. Louis, MO

August 15, 2016Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 15, 2016, 2:34 AM CDT for Sainte Genevieve County, Saint Francois 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 15, 2016, 2:34 AM CDT (07:34 UTC)
Expired
Aug 15, 2016, 8:30 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 07:37 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

TimeReportWhereRemark
Aug 15, 3:30 AM CDTFLASH FLOOD1 W Bismarck, MOHOLIDAY SHORES ROAD FLOODED. WATER RESCUE CONDUCTED
Aug 15, 6:00 AM CDTHEAVY RAIN 4.33Farmington, MO24 HOUR TOTAL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.6 hours before the alert went out and 285 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2016-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2016-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

137 
WGUS53 KLSX 150734
FFWLSX
MOC186-187-151330-
/O.NEW.KLSX.FF.W.0039.160815T0734Z-160815T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
234 AM CDT MON AUG 15 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. FRANCOIS COUNTY IN SOUTHEASTERN MISSOURI...
  STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...

* UNTIL 830 AM CDT MONDAY

* AT 227 AM CDT...DOPPLER RADAR INDICATED SHOWERS AND A FEW
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN
  2 AND 3 INCHES OF RAIN HAS FALLEN SO FAR. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BLOOMSDALE...ROCKY RIDGE...BISMARCK...FARMINGTON...BONNE TERRE...
  DESLOGE...STE. GENEVIEVE...LEADWOOD...PARK HILLS...
  IRON MOUNTAIN LAKE...WEINGARTEN...IRON MOUNTAIN...LEADINGTON...
  DOE RUN...FRANKCLAY...FRENCH VILLAGE AND RIVER AUX VASES.

THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 150 AND 162.
 
THIS ALSO INCLUDES  ST. JOE STATE PARK...ST. FRANCOIS STATE
PARK...HAWN STATE PARK...FELIX VALLE HOUSE STATE PARK...AND MISSOURI
MINES 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.

&&

LAT...LON 3768 9064 3796 9064 3804 9045 3804 9041
      3808 9034 3808 9019 3807 9017 3807 9014
      3802 9011 3801 9005 3794 8996 3779 9025

$$

BYRD
1 follow-up statement
940 
WGUS73 KLSX 150915
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
415 AM CDT MON AUG 15 2016

MOC186-187-151330-
/O.CON.KLSX.FF.W.0039.000000T0000Z-160815T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. FRANCOIS MO-STE. GENEVIEVE MO-
415 AM CDT MON AUG 15 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR ST.
FRANCOIS AND STE. GENEVIEVE COUNTIES...

AT 410 AM CDT...LOCAL LAW ENFORCEMENT REPORTED THAT MOUNTS ROAD
BRIDGE OVER BIG RIVER WAS UNDER ABOUT 4 FEET OF WATER.
ALSO...HOLIDAY SHORES ROAD...ABOUT 2 MILES SOUTHWEST OF
BISMARCK...WAS FLOODED. A WATER RESCUE WAS CONDUCTED IN THIS AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FARMINGTON...BONNE TERRE...DESLOGE...STE. GENEVIEVE...BISMARCK...
LEADWOOD...PARK HILLS...IRON MOUNTAIN LAKE...BLOOMSDALE...
WEINGARTEN...ROCKY RIDGE...IRON MOUNTAIN...LEADINGTON...DOE RUN...
FRANKCLAY...FRENCH VILLAGE AND RIVER AUX VASES.

THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 150 AND 162.
 
THIS ALSO INCLUDES  ST. JOE STATE PARK...ST. FRANCOIS STATE
PARK...HAWN STATE PARK...FELIX VALLE HOUSE STATE PARK...AND MISSOURI
MINES 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.

&&

LAT...LON 3768 9064 3796 9064 3804 9045 3804 9041
      3808 9034 3808 9019 3807 9017 3807 9014
      3802 9011 3801 9005 3794 8996 3779 9025

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:01 PM CDTRiver Flood WarningLSXSaint Charles53 hr
Aug 14, 8:10 PM CDTRiver Flood WarningLSXReynolds4 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXCrawford3 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXCrawford, Washington4 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXFranklin, Jefferson6 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXJefferson, Saint Louis6 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXJefferson, Saint Louis6 days
Aug 14, 9:37 PM CDTRiver Flood WarningLSXJefferson, Saint Louis6 days
Aug 14, 9:41 PM CDTRiver Flood WarningLSXJefferson4 days
Aug 14, 9:45 PM CDTRiver Flood WarningLSXFranklin5 days
Aug 15, 4:04 AM CDTFlash Flood WarningLSXSaint Louis, City of Saint Louis6 hr
Aug 15, 4:54 AM CDTFlash Flood WarningLSXIron, Reynolds, Washington6 hr
Aug 15, 5:03 AM CDTFlash Flood WarningLSXJefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington6 hr
Aug 15, 8:34 AM CDTAreal Flood WarningLSXSainte Genevieve, Saint Francois6 hr
Aug 15, 9:25 AM CDTAreal Flood WarningLSXSainte Genevieve3 hr
Aug 15, 9:58 AM CDTAreal Flood WarningLSXSaint Louis, City of Saint Louis3 hr
Aug 15, 10:14 AM CDTAreal Flood WarningLSXMadison3 hr
Aug 15, 10:43 AM CDTAreal Flood WarningLSXIron, Reynolds, Washington3 hr
Aug 15, 11:01 AM CDTAreal Flood WarningLSXJefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington3 hr
Aug 15, 1:50 PM CDTAreal Flood WarningLSXJefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington3 hr
Aug 15, 2:29 PM CDTAreal Flood WarningLSXSainte Genevieve, Saint Francois3 hr

Nearby

Flash Flood Warnings in Missouri, 2016Every 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.