Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 86, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 22, 2015, 8:29 AM CDT for Callaway County, Montgomery County, Warren 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
- Aug 22, 2015, 8:29 AM CDT (13:29 UTC)
- Expired
- Aug 22, 2015, 2:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Callaway County, MO, Montgomery County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 13:30 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 22, 12:20 PM CDT | FLASH FLOOD | 2 W Rhineland, MO | HIGHWAY 94 CLOSED BOTH DIRECTIONS DUE TO WATER OVER THE ROADWAY |
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, 1.5 hours before the alert went out and 280 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
- 480 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
022
WGUS53 KLSX 221329
FFWLSX
MOC027-139-219-221930-
/O.NEW.KLSX.FF.W.0086.150822T1329Z-150822T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
829 AM CDT SAT AUG 22 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN CALLAWAY COUNTY IN CENTRAL MISSOURI...
WARREN COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 230 PM CDT SATURDAY
* AT 827 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. MORE THAN 4 INCHES OF RAIN HAVE
FALLEN IN SOME SPOTS AND ADDITIONAL HEAVY RAIN CONTINUES TO FALL.
FLASH FLOODING IS EXPECTED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FULTON...WARRENTON...WRIGHT CITY...MARTHASVILLE...JONESBURG...
TRUESDALE...INNSBROOK...CHAMOIS...BIG SPRING...DUTZOW...TRELOAR...
FORISTELL...MOKANE...RHINELAND...MCKITTRICK...STEEDMAN...
TEBBETTS...REFORM...PORTLAND AND HOLSTEIN.
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 188 AND 193.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3890 9190 3882 9096 3859 9097 3862 9115
3871 9131 3871 9149 3869 9151 3868 9156
3870 9163 3871 9173 3868 9176 3867 9187
3861 9193 3857 9205
$$
CARNEY1 follow-up statement
885
WGUS73 KLSX 221701
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1201 PM CDT SAT AUG 22 2015
MOC027-139-219-221930-
/O.CON.KLSX.FF.W.0086.000000T0000Z-150822T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY MO-CALLAWAY MO-WARREN MO-
1201 PM CDT SAT AUG 22 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
SATURDAY FOR SOUTHERN MONTGOMERY...SOUTHEASTERN CALLAWAY AND WARREN
COUNTIES...
AT 1157 AM CDT...DOPPLER RADAR INDICATED THAT 3 TO 4 INCHES OF RAIN
HAD FALLEN ACROSS THE WARNING AREA. THE HIGHEST AMOUNTS WERE ALONG
A LINE FROM REFORM TO AMERICUS AND EAST INTO PARTS OF CENTRAL WARREN
COUNTY. THE HEAVY RAIN HAS ENDED AT THIS TIME...BUT RUNOFF FROM
THIS MORNING WILL CONTINUE TO CAUSE FLASH FLOODING INTO THE
AFTERNOON.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FULTON...WARRENTON...WRIGHT CITY...MARTHASVILLE...JONESBURG...
TRUESDALE...INNSBROOK...CHAMOIS...BIG SPRING...DUTZOW...TRELOAR...
FORISTELL...MOKANE...RHINELAND...MCKITTRICK...STEEDMAN...TEBBETTS...
REFORM...AMERICUS...PORTLAND AND HOLSTEIN.
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 188 AND 193.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3890 9190 3882 9096 3859 9097 3862 9115
3871 9131 3871 9149 3869 9151 3868 9156
3870 9163 3871 9173 3868 9176 3867 9187
3861 9193 3857 9205
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:47 AM CDT | Flash Flood Warning | LSX | Boone, Callaway | 4 hr |
| Aug 22, 2:31 PM CDT | Areal Flood Warning | LSX | Montgomery | 6 hr |
| Aug 22, 5:37 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 6 hr |
Nearby
Flash Flood Warnings in Missouri, 2015Every flash flood warning in 2015
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.