Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 29, NWS St. Louis, MO

August 2, 20165 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 2, 2016, 11:48 PM CDT for 5 counties in 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
Aug 2, 2016, 11:48 PM CDT (04:48 UTC)
Expired
Aug 3, 2016, 5:45 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 04:51 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 3, 1:15 AM CDTFLASH FLOODNew Bloomfield, MOUNCONFIRMED REPORT OF 2-3 FEET OF WATER OVER HIGHWAY J AND NN . CONFIRMED REPORT OF UP TO 6 INCHES OF WATER AT HIGHWAY 53 AND JJ ... HIGHWAY OO AND MOISER ROAD

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 2016-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2370 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 2016-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
2370 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1560 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

483 
WGUS53 KLSX 030448
FFWLSX
MOC019-027-051-135-151-031045-
/O.NEW.KLSX.FF.W.0029.160803T0448Z-160803T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1148 PM CDT TUE AUG 2 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLE COUNTY IN CENTRAL MISSOURI...
  CALLAWAY COUNTY IN CENTRAL MISSOURI...
  SOUTHERN MONITEAU COUNTY IN CENTRAL MISSOURI...
  SOUTHEASTERN BOONE COUNTY IN CENTRAL MISSOURI...
  CENTRAL OSAGE COUNTY IN CENTRAL MISSOURI...

* UNTIL 545 AM CDT WEDNESDAY

* AT 1143 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO 2.5 INCHES OF RAIN HAS
  FALLEN IN THE PAST HOUR AND A HALF...MAINLY OVER SOUTHERN
  CALLAWAY COUNTY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEW BLOOMFIELD...JEFFERSON CITY...FULTON...CALIFORNIA...
  HOLTS SUMMIT...WARDSVILLE...ST. MARTINS...AUXVASSE...TAOS...
  RUSSELLVILLE...CHAMOIS...WESTPHALIA...LAKE MYKEE TOWN...
  CENTERTOWN...ST. THOMAS...HICKORY HILL...LAKE MYKEE...HIGH POINT...
  MCGIRK AND SHAMROCK.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 144 AND 161.
 
THIS ALSO INCLUDES CLARKS HILL...NORTON HISTORIC SITE AND JEFFERSON
LANDING HISTORIC SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 3880 9217 3906 9194 3906 9164 3870 9165
      3829 9219 3834 9220 3832 9226 3834 9229
      3834 9241 3843 9241 3843 9262 3855 9278

$$

BYRD
2 follow-up statements
629 
WGUS73 KLSX 030640
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
140 AM CDT WED AUG 3 2016

MOC051-135-151-030644-
/O.CAN.KLSX.FF.W.0029.000000T0000Z-160803T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COLE MO-MONITEAU MO-OSAGE MO-
140 AM CDT WED AUG 3 2016

...THE FLASH FLOOD WARNING FOR COLE...SOUTHERN MONITEAU AND CENTRAL
OSAGE COUNTIES IS CANCELLED...

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

LAT...LON 3869 9235 3880 9217 3906 9194 3906 9164
      3870 9165 3871 9173 3868 9176 3867 9186
      3856 9204 3856 9211 3859 9217 3864 9221
      3864 9225

$$

MOC019-027-031045-
/O.CON.KLSX.FF.W.0029.000000T0000Z-160803T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-
140 AM CDT WED AUG 3 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
CALLAWAY AND SOUTHEASTERN BOONE COUNTIES...

AT 134 AM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING IN THE
NEW BLOOMFIELD AREA. A NUMBER OF ROADS WERE CLOSED DUE TO FLOODING
FROM HEAVY RAIN INCLUDING HIGHWAY J AND NN...HIGHWAY 53 AND
JJ...AND HIGHWAY OO AND MOISER ROAD. DOPPLER RADAR ESTIMATES THAT 3
TO 5 INCHES OF RAIN HAS FALLEN ACROSS SOUTHERN CALLAWAY COUNTY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JEFFERSON CITY...FULTON...HOLTS SUMMIT...AUXVASSE...NEW BLOOMFIELD...
CHAMOIS...LAKE MYKEE TOWN...LAKE MYKEE...SHAMROCK...WILLIAMSBURG...
MOKANE...KINGDOM CITY...HARTSBURG...WAINWRIGHT...CARRINGTON...
GUTHRIE...TEBBETTS...PORTLAND...REFORM AND STEEDMAN.
 
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.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 3869 9235 3880 9217 3906 9194 3906 9164
      3870 9165 3871 9173 3868 9176 3867 9186
      3856 9204 3856 9211 3859 9217 3864 9221
      3864 9225

$$

GLASS
484 
WGUS73 KLSX 031046
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
546 AM CDT WED AUG 3 2016

MOC019-027-031055-
/O.EXP.KLSX.FF.W.0029.000000T0000Z-160803T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLAWAY MO-BOONE MO-
546 AM CDT WED AUG 3 2016

...THE FLASH FLOOD WARNING FOR CALLAWAY AND SOUTHEASTERN BOONE
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 3869 9235 3880 9217 3906 9194 3906 9164
      3870 9165 3871 9173 3868 9176 3867 9186
      3856 9204 3856 9211 3859 9217 3864 9221
      3864 9225

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
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
Aug 3, 4:01 PM CDTFlash Flood WarningLSXCallaway9 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.