Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 10, NWS St. Louis, MO

July 3, 2016Audrain County, Callaway County, Montgomery County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jul 3, 2016, 5:09 AM CDT for Audrain County, Callaway County, Montgomery County, Missouri. It was in force for 8 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
Jul 3, 2016, 5:09 AM CDT (10:09 UTC)
Expired
Jul 3, 2016, 1:00 PM CDT
In force
8 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Audrain County, MO, Callaway County, MO, Montgomery County, MO

The radar

The St Louis radar (KLSX), 108 km from the middle of the area, began a volume at 10:09 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
Jul 3, 9:43 AM CDTHEAVY RAIN 5.05Williamsburg, MOSTORM TOTAL SO FAR AS OF 9...30AM

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, 10.2 hours before the alert went out and 278 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 2016-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1126 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 2016-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
1126 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1072 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

683 
WGUS53 KLSX 031009
FFWLSX
MOC007-027-139-031800-
/O.NEW.KLSX.FF.W.0010.160703T1009Z-160703T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
509 AM CDT SUN JUL 3 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALLAWAY COUNTY IN CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN AUDRAIN COUNTY IN CENTRAL MISSOURI...

* UNTIL 100 PM CDT SUNDAY

* AT 506 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 4 INCHES OF RAIN HAVE
  FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FULTON...MEXICO...MONTGOMERY CITY...WELLSVILLE...AUXVASSE...
  NEW FLORENCE...JONESBURG...NEW BLOOMFIELD...BELLFLOWER...
  MARTINSBURG...MINEOLA...SHAMROCK...BUELL...WILLIAMSBURG...
  HIGH HILL...MIDDLETOWN...KINGDOM CITY...BENTON CITY...
  HATTON AND CARRINGTON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 ARE POSSIBLE IN THE WARNED
AREA.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 137 AND 183.
 
THIS ALSO INCLUDES GRAHAM CAVE STATE PARK.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3877 9216 3881 9215 3881 9213 3883 9215
      3906 9213 3907 9211 3916 9210 3914 9126
      3884 9127 3885 9142 3884 9142 3872 9220

$$

MILLER
1 follow-up statement
640 
WGUS73 KLSX 031751
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1251 PM CDT SUN JUL 3 2016

MOC007-027-139-031800-
/O.EXP.KLSX.FF.W.0010.000000T0000Z-160703T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-MONTGOMERY MO-AUDRAIN MO-
1251 PM CDT SUN JUL 3 2016

...THE FLASH FLOOD WARNING FOR CALLAWAY...MONTGOMERY AND SOUTHEASTERN
AUDRAIN COUNTIES WILL EXPIRE AT 100 PM CDT...

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

LAT...LON 3877 9216 3881 9215 3881 9213 3883 9215
      3906 9213 3907 9211 3916 9210 3914 9126
      3884 9127 3885 9142 3884 9142 3872 9220

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 3:19 AM CDTFlash Flood WarningLSXBoone, Moniteau8 hr
Jul 3, 11:16 AM CDTAreal Flood WarningLSXBoone, Moniteau6 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.