Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 31, NWS St. Louis, MO

August 3, 2016Callaway County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 3, 2016, 4:01 PM CDT for Callaway County, Missouri. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 3, 2016, 4:01 PM CDT (21:01 UTC)
Expired
Aug 4, 2016, 12:45 AM CDT
In force
9 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Unknown

County Callaway County, MO

The radar

The St Louis radar (KLSX), 103 km from the middle of the area, began a volume at 21:03 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.0 hours before the alert went out and 270 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, Springfield, MO at 12:00Z on 2016-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 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, Springfield, MO at 12:00Z on 2016-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
366 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
1842 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

017 
WGUS53 KLSX 032101
FFWLSX
MOC027-040545-
/O.NEW.KLSX.FF.W.0031.160803T2101Z-160804T0545Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
401 PM CDT WED AUG 3 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  A DAM BREAK IN...
  CENTRAL CALLAWAY COUNTY IN CENTRAL MISSOURI...

* UNTIL 1245 AM CDT THURSDAY

* EARLIER TODAY...COUNTY DISPATCH REPORTED THE FAILURE OF THE
  EARTHEN DAM IMPOUNDING GLOVERS SPRING LAKE.

FLOOD WATERS ARE MOVING DOWN DUNLAP CREEK BELOW GLOVERS SPRING LAKE
DAM AND ALONG CROWS FORK CREEK.  COUNTY ROUTE 101 IS CLOSED WHERE
THE BRIDGE AT DUNLAP CREEK HAS WASHED OUT.  ADDITIONAL ROADS
THREATENED BY THIS FLOODING INCLUDE STATE HIGHWAY UU AND STATE
HIGHWAY O ALONG CROWS FORK CREEK.  PEOPLE IN THE VICINITY OF THESE
CREEKS SHOULD TAKE IMMEDIATE ACTION BY MOVING TO HIGHER GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3869 9181 3867 9186 3889 9196 3892 9189
      3886 9183

$$

FUCHS
2 follow-up statements
132 
WGUS73 KLSX 040053
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
753 PM CDT WED AUG 3 2016

MOC027-040545-
/O.CON.KLSX.FF.W.0031.000000T0000Z-160804T0545Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-
753 PM CDT WED AUG 3 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
THURSDAY FOR CENTRAL CALLAWAY COUNTY...

EARLIER TODAY...COUNTY DISPATCH REPORTED THE FAILURE OF THE EARTHEN
DAM IMPOUNDING GLOVERS SPRING LAKE.

FLOOD WATERS ARE MOVING DOWN DUNLAP CREEK BELOW GLOVERS SPRING LAKE
DAM AND ALONG CROWS FORK CREEK.  COUNTY ROUTE 101 IS CLOSED WHERE
THE BRIDGE AT DUNLAP CREEK HAS WASHED OUT.  ADDITIONAL ROADS
THREATENED BY THIS FLOODING INCLUDE STATE HIGHWAY UU AND STATE
HIGHWAY O ALONG CROWS FORK CREEK.  PEOPLE IN THE VICINITY OF THESE
CREEKS SHOULD TAKE IMMEDIATE ACTION BY MOVING TO HIGHER GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3869 9181 3867 9186 3889 9196 3892 9189
      3886 9183

$$

GOSSELIN
815 
WGUS73 KLSX 040125
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
825 PM CDT WED AUG 3 2016

MOC027-040545-
/O.CON.KLSX.FF.W.0031.000000T0000Z-160804T0545Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-
825 PM CDT WED AUG 3 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
THURSDAY FOR CENTRAL CALLAWAY COUNTY...

EARLIER TODAY...COUNTY DISPATCH REPORTED THE FAILURE OF THE EARTHEN
DAM IMPOUNDING GLOVERS SPRING LAKE.

FLOOD WATERS ARE MOVING DOWN DUNLAP CREEK BELOW GLOVERS SPRING LAKE
DAM AND ALONG CROWS FORK CREEK.  COUNTY ROUTE 101 IS NOW CLOSED
BETWEEEN ROUTES UU AND COUNTY ROAD 108. ADDITIONAL ROADS THREATENED
BY THIS FLOODING INCLUDE STATE HIGHWAY UU AND STATE HIGHWAY O ALONG
CROWS FORK CREEK. PEOPLE IN THE VICINITY OF THESE CREEKS SHOULD TAKE
IMMEDIATE ACTION BY MOVING TO HIGHER GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3869 9181 3867 9186 3889 9196 3892 9189
      3886 9183

$$

GOSSELIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 11:48 PM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Moniteau, Osage6 hr
Aug 3, 12:47 AM CDTSpecial Weather StatementLSXGasconade, Osage43 min
Aug 3, 1:30 AM CDTSpecial Weather StatementLSXFranklin, Warren45 min
Aug 3, 12:05 PM CDTFlash Flood WarningLSXCallaway4 hr
Aug 3, 3:11 PM CDTHeat AdvisoryLSXBoone, Cole, Moniteau29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.