Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 5, 2016, 6:39 PM CDT for Osage County, Missouri. It was in force for 5 hr. 2 reports 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 5, 2016, 6:39 PM CDT (23:39 UTC)
- Expired
- Aug 5, 2016, 11:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Osage County, MO
The radar
The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 23:42 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 5, 8:43 PM CDT | FLASH FLOOD | Koeltztown, MO | HWY T NEAR KOELTZTOWN IS WASHED OUT. |
| Aug 5, 8:46 PM CDT | FLASH FLOOD | Freeburg, MO | HWY P NEAR COUNTY ROAD 524 WASHED OUT. WATER RESCUE NEAR FREEBURG AS WELL. |
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 12:00Z, 11.7 hours before the alert went out and 229 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.
- Mixed-layer CAPE
- 944 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1683 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
078
WGUS53 KLSX 052339
FFWLSX
MOC151-060445-
/O.NEW.KLSX.FF.W.0033.160805T2339Z-160806T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
639 PM CDT FRI AUG 5 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
OSAGE COUNTY IN CENTRAL MISSOURI...
* UNTIL 1145 PM CDT
* AT 639 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...
LINN...BELLE...FREEBURG...WESTPHALIA...RICH FOUNTAIN...META...
ARGYLE...LOOSE CREEK AND KOELTZTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
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.
&&
LAT...LON 3837 9219 3838 9214 3840 9212 3842 9212
3844 9216 3847 9216 3848 9215 3846 9212
3847 9207 3847 9204 3849 9201 3851 9202
3852 9164 3829 9165 3829 9219
$$
CARNEY1 follow-up statement
915
WGUS73 KLSX 060212
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
912 PM CDT FRI AUG 5 2016
MOC151-060445-
/O.CON.KLSX.FF.W.0033.000000T0000Z-160806T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSAGE MO-
912 PM CDT FRI AUG 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
OSAGE COUNTY...
AT 911 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING IN
ACROSS PARTS OF SOUTHERN OSAGE COUNTY BETWEEN KOELTZTOWN AND FREEBURG
WHERE MORE THAN 4 INCHES OF RAIN HAS FALLEN! FLASH FLOODING IS
ALREADY OCCURRING!
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LINN...BELLE...FREEBURG...WESTPHALIA...RICH FOUNTAIN...META...
ARGYLE...LOOSE CREEK AND KOELTZTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
&&
LAT...LON 3837 9219 3838 9214 3840 9212 3842 9212
3844 9216 3847 9216 3848 9215 3846 9212
3847 9207 3847 9204 3849 9201 3851 9202
3852 9164 3829 9165 3829 9219
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:12 AM CDT | Areal Flood Advisory | LSX | Lewis | 3 hr |
| Aug 5, 5:30 AM CDT | Areal Flood Advisory | LSX | Marion, Monroe, Ralls, Shelby | 3 hr |
| Aug 5, 7:41 AM CDT | Areal Flood Advisory | LSX | Audrain | 3 hr |
| Aug 5, 11:06 AM CDT | River Flood Warning | LSX | Marion | 39 hr |
| Aug 5, 6:12 PM CDT | Areal Flood Advisory | LSX | Osage | 5 hr |
| Aug 5, 6:30 PM CDT | Special Weather Statement | LSX | Crawford | 45 min |
| Aug 5, 6:54 PM CDT | River Flood Warning | LSX | Lewis | 66 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.