Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 47, NWS St. Louis, MO

August 30, 2016Lincoln County, Montgomery County, Warren County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 30, 2016, 2:12 PM CDT for Lincoln County, Montgomery County, Warren 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
Aug 30, 2016, 2:12 PM CDT (19:12 UTC)
Expired
Aug 30, 2016, 7:15 PM CDT
In force
5 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Lincoln County, MO, Montgomery County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 44 km from the middle of the area, began a volume at 19:14 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 30, 2:30 PM CDTFLASH FLOOD7 W Warrenton, MOROAD FLOODED...ROAD IMPASSABLE...VETERANS MEMORIAL PARKWAY AT SCUDDER RANCH ROAD.

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 12:00Z, 7.2 hours before the alert went out and 258 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 12:00Z on 2016-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 735 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2016-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
735 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
951 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

962 
WGUS53 KLSX 301912
FFWLSX
MOC113-139-219-310015-
/O.NEW.KLSX.FF.W.0047.160830T1912Z-160831T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
212 PM CDT TUE AUG 30 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHWESTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  CENTRAL WARREN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 715 PM CDT

* AT 212 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TROY...WARRENTON...WRIGHT CITY...MOSCOW MILLS...JONESBURG...
  TRUESDALE...HAWK POINT...INNSBROOK...FORISTELL...
  HIGH HILL AND TRUXTON.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 179 AND 200.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3901 9126 3901 9093 3889 9094 3889 9096
      3874 9097 3873 9127 3885 9140

$$

CARNEY
2 follow-up statements
721 
WGUS73 KLSX 302303
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
603 PM CDT TUE AUG 30 2016

MOC113-139-219-310015-
/O.CON.KLSX.FF.W.0047.000000T0000Z-160831T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY MO-LINCOLN MO-WARREN MO-
603 PM CDT TUE AUG 30 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
EAST CENTRAL MONTGOMERY...SOUTHWESTERN LINCOLN AND CENTRAL WARREN
COUNTIES...

AT 600 PM CDT...RECENT REPORTS FROM COUNTY OFFICIALS SUGGEST HIGH
WATER IS RECEDING ACROSS THE WARNED AREA. HOWEVER...WATER MAY STILL
EXIST OVER SOME ROADWAYS...ESPECIALLY LOW WATER CROSSINGS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
TROY...WARRENTON...WRIGHT CITY...MOSCOW MILLS...JONESBURG...
TRUESDALE...HAWK POINT...INNSBROOK...FORISTELL...
HIGH HILL AND TRUXTON.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 179 AND 200.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3901 9126 3901 9093 3889 9094 3889 9096
      3874 9097 3873 9127 3885 9140

$$

TILLY
307 
WGUS73 KLSX 310016
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
716 PM CDT TUE AUG 30 2016

MOC113-139-219-310025-
/O.EXP.KLSX.FF.W.0047.000000T0000Z-160831T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY MO-LINCOLN MO-WARREN MO-
716 PM CDT TUE AUG 30 2016

...THE FLASH FLOOD WARNING FOR EAST CENTRAL MONTGOMERY...SOUTHWESTERN
LINCOLN AND CENTRAL WARREN COUNTIES HAS EXPIRED...

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

LAT...LON 3901 9126 3901 9093 3889 9094 3889 9096
      3874 9097 3873 9127 3885 9140

$$

TILLY

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.