Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 43, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 28, 2015, 9:50 PM CDT for Saint Louis County, Missouri. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2015, 9:50 PM CDT (02:50 UTC)
- Expired
- Jun 29, 2015, 3:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Saint Louis County, MO
The radar
The St Louis radar (KLSX), 22 km from the middle of the area, began a volume at 02:50 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 222 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
- 281 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 331 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
042
WGUS53 KLSX 290250
FFWLSX
MOC189-290830-
/O.NEW.KLSX.FF.W.0043.150629T0250Z-150629T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
950 PM CDT SUN JUN 28 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWEST ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 330 AM CDT
* AT 941 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING IN THE MARYLAND HEIGHTS AND BRIDGETON AREAS FROM FLOODING
ALONG FEE FEE CREEK...AND WATER WAS BEGINNING TO ENTER SOME HOMES
IN THE AREA. THIS FLOODING IS OCCURRING IN AREAS THAT OFTEN
EXPERIENCE FLOODING DURING TIMES OF HEAVY RAIN. 1 TO 2 INCHES
OF RAIN FELL IN THIS AREA SUNDAY EVENING IN LESS THAN AN HOURS
TIME...WITH ISOLATED HEAVIER AMOUNTS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BRIDGETON...
MARYLAND HEIGHTS...OVERLAND...ST. ANN...ST. JOHN AND WOODSON
TERRACE.
THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI NEAR EXIT 231.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3871 9033 3866 9040 3873 9053 3874 9052
3877 9048 3879 9047 3882 9045
$$
TRUETT1 follow-up statement
290
WGUS73 KLSX 290825
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
325 AM CDT MON JUN 29 2015
MOC189-290840-
/O.EXP.KLSX.FF.W.0043.000000T0000Z-150629T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LOUIS MO-
325 AM CDT MON JUN 29 2015
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL ST. LOUIS
COUNTY WILL BE ALLOWED TO EXPIRE AT 330 AM CDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3871 9033 3866 9040 3873 9053 3874 9052
3877 9048 3879 9047 3882 9045
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 47 min |
| Jun 28, 8:00 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 45 min |
| Jun 28, 8:02 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 28 min |
| Jun 28, 8:26 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 37 min |
| Jun 28, 8:48 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 42 min |
| Jun 28, 9:17 PM CDT | Areal Flood Advisory | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Jun 29, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 37 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.