Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 87, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 22, 2015, 5:37 PM CDT for Sainte Genevieve County, Saint Francois 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, 5:37 PM CDT (22:37 UTC)
- Expired
- Aug 22, 2015, 11:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 22:39 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, 6:50 PM CDT | HEAVY RAIN 3 | 2 N French Village, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.6 hours before the alert went out and 279 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1510 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
909
WGUS53 KLSX 222237
FFWLSX
MOC186-187-230430-
/O.NEW.KLSX.FF.W.0087.150822T2237Z-150823T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
537 PM CDT SAT AUG 22 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...
WESTERN ST. FRANCOIS COUNTY IN SOUTHEASTERN MISSOURI...
* UNTIL 1130 PM CDT
* AT 533 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 4 INCHES OF RAIN HAVE
FALLEN. AT 525 PM...A TRAINED SPOTTER REPORTED THAT HIGHWAY Y WAS
COVERED BY UP TO 1 FOOT OF FLOWING WATER 1 MILE EAST OF FRENCH
VILLAGE.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FARMINGTON...BONNE TERRE...DESLOGE...STE. GENEVIEVE...PARK HILLS...
BLOOMSDALE...WEINGARTEN...ROCKY RIDGE...LEADINGTON...DOE RUN AND
FRENCH VILLAGE.
THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 150 AND 162.
THIS WARNING ALSO INCLUDES ...
ST. JOE STATE PARK...ST. FRANCOIS STATE PARK...FELIX VALLE HOUSE
STATE PARK...AND MISSOURI MINES HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3801 9056 3804 9041 3810 9032 3809 9029
3809 9021 3806 9013 3804 9013 3801 9009
3801 9006 3796 9000 3769 9056
$$
BRITT2 follow-up statements
302
WGUS73 KLSX 230038
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
738 PM CDT SAT AUG 22 2015
MOC186-187-230430-
/O.CON.KLSX.FF.W.0087.000000T0000Z-150823T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STE. GENEVIEVE MO-ST. FRANCOIS MO-
738 PM CDT SAT AUG 22 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
CENTRAL STE. GENEVIEVE AND WESTERN ST. FRANCOIS COUNTIES...
AT 729 PM CDT...LOCAL LAW ENFORCEMENT REPORTED THAT STRAUGHN ROAD
WAS FLOODED IN STE. GENEVIEVE COUNTY. EARLIER...HIGHWAY Y WAS
REPORTED FLOODED EAST OF FRENCH VILLAGE. DOPPLER RADAR AND SPOTTER
REPORTS INDICATE THAT BETWEEN 2 TO 4 INCHES OF RAINFALL HAS FALLEN
OVER THE WARNED AREA FROM THUNDERSTORMS THAT HAVE SINCE MOVED OUT OF
THE AREA.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BLOOMSDALE...ROCKY RIDGE...LEADINGTON...DOE RUN AND FRENCH VILLAGE.
THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 150 AND 162.
THIS WARNING ALSO INCLUDES ...
ST. JOE STATE PARK...ST. FRANCOIS STATE PARK...FELIX VALLE HOUSE
STATE PARK...AND MISSOURI MINES HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3801 9056 3804 9041 3810 9032 3809 9029
3809 9021 3806 9013 3804 9013 3801 9009
3801 9006 3796 9000 3769 9056
$$
BRITT151
WGUS73 KLSX 230429
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1129 PM CDT SAT AUG 22 2015
MOC186-187-230436-
/O.EXP.KLSX.FF.W.0087.000000T0000Z-150823T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STE. GENEVIEVE MO-ST. FRANCOIS MO-
1129 PM CDT SAT AUG 22 2015
...THE FLASH FLOOD WARNING FOR CENTRAL STE. GENEVIEVE AND WESTERN ST.
FRANCOIS COUNTIES WILL EXPIRE AT 1130 PM CDT...
THE HEAVY RAIN HAS ENDED. FLOODING STILL IS OCCURRING AND A NEW
AREAL FLOOD WARNING HAS REPLACED THE FLASH FLOOD WARNING AND IS IN
EFFECT UNTIL SUNDAY MORNING AT 1100 AM CDT.
LAT...LON 3801 9056 3804 9041 3810 9032 3809 9029
3809 9021 3806 9013 3804 9013 3801 9009
3801 9006 3796 9000 3769 9056
$$
BRITTThe 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, 8:29 AM CDT | Flash Flood Warning | LSX | Callaway, Montgomery, Warren | 6 hr |
| Aug 22, 2:31 PM CDT | Areal Flood Warning | LSX | Montgomery | 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.