Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 49, NWS St. Louis, MO

September 9, 2016Cole County, Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at Sep 9, 2016, 11:45 PM CDT for Cole County, Moniteau County, 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
Sep 9, 2016, 11:45 PM CDT (04:45 UTC)
Expired
Sep 10, 2016, 5:45 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Cole County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 155 km from the middle of the area, began a volume at 04:49 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
Sep 10, 12:36 AM CDTHEAVY RAIN 2.927 N California, MO2.92 INCHES OF RAIN IN THE PAST TWO HOURS

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, 4.8 hours before the alert went out and 233 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 00:00Z on 2016-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2416 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 00:00Z on 2016-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.193958Sfc1 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
2416 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.6

Open this sounding in Storm Lab

The text

As transmitted.

566 
WGUS53 KLSX 100445
FFWLSX
MOC051-135-101045-
/O.NEW.KLSX.FF.W.0049.160910T0445Z-160910T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1145 PM CDT FRI SEP 9 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN COLE COUNTY IN CENTRAL MISSOURI...
  MONITEAU COUNTY IN CENTRAL MISSOURI...

* UNTIL 545 AM CDT SATURDAY.

* AT 1143 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO 2 INCHES OF RAIN HAVE
  FALLEN SINCE 10 PM OVER THE WARNING AREA. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CALIFORNIA...TIPTON...ST. MARTINS...RUSSELLVILLE...JAMESTOWN...
  CLARKSBURG...CENTERTOWN...EASLEY...HIGH POINT...MCGIRK...MARION...
  LOHMAN...LUPUS...ENON...KLIEVER...ELSTON...LATHAM AND SANDY HOOK.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA TONIGHT.

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.

&&

LAT...LON 3868 9262 3892 9250 3891 9248 3888 9248
      3883 9244 3881 9238 3879 9238 3876 9241
      3874 9240 3871 9234 3868 9236 3867 9229
      3865 9226 3864 9221 3843 9248 3843 9262
      3860 9284 3868 9284

$$

BRITT
1 follow-up statement
643 
WGUS73 KLSX 101048
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
548 AM CDT SAT SEP 10 2016

MOC051-135-101058-
/O.EXP.KLSX.FF.W.0049.000000T0000Z-160910T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLE MO-MONITEAU MO-
548 AM CDT SAT SEP 10 2016

...THE FLASH FLOOD WARNING FOR NORTHWESTERN COLE AND MONITEAU
COUNTIES HAS EXPIRED...

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

LAT...LON 3868 9262 3892 9250 3891 9248 3888 9248
      3883 9244 3881 9238 3879 9238 3876 9241
      3874 9240 3871 9234 3868 9236 3867 9229
      3865 9226 3864 9221 3843 9248 3843 9262
      3860 9284 3868 9284

$$

GKS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 1:29 AM CDTFlash Flood WarningLSXCallaway, Cole, Franklin, Gasconade, Montgomery, Osage and 1 more6 hr
Sep 10, 4:09 AM CDTRiver Flood WarningLSXOsage32 hr
Sep 10, 4:18 AM CDTRiver Flood WarningLSXMonroe34 hr
Sep 10, 4:19 AM CDTFlash Flood WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis6 hr
Sep 10, 4:46 AM CDTRiver Flood WarningLSXCole58 hr
Sep 10, 6:12 AM CDTRiver Flood WarningLSXMarion33 hr
Sep 10, 7:30 AM CDTAreal Flood WarningLSXCallaway, Cole, Franklin, Gasconade, Montgomery, Osage and 1 more6 hr
Sep 10, 9:26 AM CDTRiver Flood WarningLSXSaint Charles33 hr
Sep 10, 11:39 AM CDTRiver Flood WarningLSXLincoln46 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.