Alert archive / Missouri / Flash Flood Warnings in 2019
Flash Flood Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 26, 2019, 6:21 AM CDT for 5 counties in Missouri. It was in force for 4 hr. 28 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 26, 2019, 6:21 AM CDT (11:21 UTC)
- Expired
- Aug 26, 2019, 10:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties City of Saint Louis, MO, Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 31 km from the middle of the area, began a volume at 11:22 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 26, 7:00 AM CDT | HEAVY RAIN 3.12 | Ballwin, MO | . |
| Aug 26, 7:00 AM CDT | HEAVY RAIN 3.12 | Ballwin, MO | |
| Aug 26, 7:23 AM CDT | HEAVY RAIN 2.23 | 2 Wsw Weldon Spring, MO | 2.23 INCHES OF RAIN SINCE 1AM AT THE NWS ST. LOUIS OFFICE. |
| Aug 26, 7:26 AM CDT | HEAVY RAIN 2.92 | 4 S Weldon Spring, MO | 2.92 INCHES OF RAIN MEASURED SINCE 1AM AT SUS AIRPORT. |
| Aug 26, 7:30 AM CDT | FLASH FLOOD | 1 Sw Peerless Park, MO | WATER RESCUE AT MERAMEC STATION AND SMIZER MILL ROADS. |
| Aug 26, 7:34 AM CDT | FLASH FLOOD | 2 Sse Wildwood, MO | CARS FLOATING AWAY IN THE DITCH NEAR LASALLE SPRINGS ELEMENTARY SCHOOL. |
| Aug 26, 7:38 AM CDT | FLASH FLOOD | Valley Park, MO | 141 AT I-44 CLOSED DUE TO FLOODING. |
| Aug 26, 7:50 AM CDT | FLASH FLOOD | 1 Ne Eureka, MO | FLASH FLOODING ONGOING NEAR AND AROUND EUREKA HIGH SCHOOL. |
| Aug 26, 7:54 AM CDT | HEAVY RAIN 2.8 | 1 Sw Fenton, MO | . |
| Aug 26, 7:54 AM CDT | HEAVY RAIN 2.8 | 1 Sw Fenton, MO | |
| Aug 26, 8:00 AM CDT | HEAVY RAIN 4.04 | 1 Se Manchester, MO | 4.04 INCHES OF RAIN MEASURED OVERNIGHT INTO EARLY THIS MORNING. |
| Aug 26, 8:01 AM CDT | HEAVY RAIN 3.75 | 3 Nnw Gray Summit, MO | . |
| Aug 26, 8:01 AM CDT | HEAVY RAIN 3.75 | 3 Nnw Gray Summit, MO | |
| Aug 26, 8:15 AM CDT | FLASH FLOOD | 4 Ssw New Melle, MO | FEMME OSAGE CREEK ROAD WASHED OUT BETWEEN CAPPELN OSAGE ROAD AND BECKER-JOERLING ROAD. |
| Aug 26, 8:19 AM CDT | FLASH FLOOD | 2 Sse Matson, MO | PUBLIC VIDEO OF FLASH FLOODING ONGOING IN ST. ALBANS SUBDIVISION. |
| Aug 26, 8:22 AM CDT | HEAVY RAIN 5.9 | 1 E Eureka, MO | 5.9 INCHES OF RAINFALL MEASURED OVERNIGHT. |
| Aug 26, 8:30 AM CDT | FLASH FLOOD | 3 Nw Parkdale, MO | I-44 CLOSED DUE TO FLOODING. |
| Aug 26, 8:40 AM CDT | HEAVY RAIN 5 | 3 Nnw Wildwood, MO | 5.00 INCHES MEASURED OVERNIGHT AT BABLER PARK. |
| Aug 26, 8:45 AM CDT | FLASH FLOOD | 1 Sse Fenton, MO | THE USGS GAGE AT YARNELL CREEK IN FENTON CRESTED AT 9.74 FEET, INDICATING ABOUT 2 FEET OF WATER ON FABICK LANE AND THE BRIDGE SURFACE WHERE THE GAGE IS LOCATED. |
| Aug 26, 8:47 AM CDT | HEAVY RAIN 3.59 | 1 Sw Fenton, MO | 3.59 INCHES OF RAINFALL MEASURED OVERNIGHT INTO EARLY THIS MORNING. |
| Aug 26, 8:56 AM CDT | HEAVY RAIN 5.72 | 3 Se Wildwood, MO | 5.72 INCHES OF RAIN OVERNIGHT. |
| Aug 26, 8:58 AM CDT | HEAVY RAIN 3.27 | 1 E Ballwin, MO | 3.27 INCHES OF RAINFALL MEASURED OVERNIGHT INTO EARLY THIS MORNING. |
| Aug 26, 9:06 AM CDT | FLASH FLOOD | 3 Wnw Clarkson Valley, MO | A USGS GAGE ALONG BONHOMME CREEK IN CHESTERFIELD EXCEEDED MINOR AND MODERATE FLOOD STAGES AND APPEARED LIKELY TO EXCEED MAJOR FLOOD STAGE. WITHIN 0.6 FEET OF THE 8:10 A.M. STAGE, WILD HORSE CREEK ROAD WILL BEGIN FLOODING. |
| Aug 26, 9:20 AM CDT | FLASH FLOOD | Fenton, MO | FLASH FLOODING AT A BUSINESS ALONG LARKIN WILLIAMS AND HORAN ROAD. |
| Aug 26, 9:25 AM CDT | FLASH FLOOD | 1 Wsw Lemay, MO | THE USGS GAGE ON GRAVOIS CREEK AT GREEN PARK ROAD WAS AT 16.02 FEET AND RISING AT 9:25 A.M., INDICATING MINOR FLOODING. IF THE WATER RISES ANOTHER 10 INCHES, REAVIS BARRACKS ROAD WILL BEGIN FLOODING. |
| Aug 26, 9:25 AM CDT | FLASH FLOOD | 3 E Chesterfield, MO | USGS GAGE ON CREVE COEUR CREEK AT NORTH OUTER 40 ROAD IN CHESTERFIELD INDICATED THE CREEK HAS CRESTED AT 15.23 FT, ABOVE ABOVE MODERATE FLOOD STAGE. NEAR THIS STAGE, THE NURSERY PARKING LOT ON THE OTHER SIDE OF I-64 BEGINS FLOODING. |
| Aug 26, 9:37 AM CDT | FLASH FLOOD | 2 Sw Des Peres, MO | USGS GAGE ON SUGAR CREEK IN KIRKWOOD AT BARRETT STATION ROAD CRESTED AT 17.20 FT. THE STL SANDBAR BEGINS FLOODING NEAR THIS HEIGHT. |
| Aug 26, 9:51 AM CDT | FLASH FLOOD | 1 Sw Peerless Park, MO | USGS GAGE ON WILLIAMS CREEK INDICATED A CREST OF 10.3 FEET. THIS FLOODS THE UNINCORPORATED ROAD WEST OF THE ANTIRE ROAD BRIDGE. |
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 00:00Z, 11.4 hours before the alert went out and 230 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
- 1135 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
110
WGUS53 KLSX 261121
FFWLSX
MOC071-099-183-189-510-261515-
/O.NEW.KLSX.FF.W.0049.190826T1121Z-190826T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
621 AM CDT Mon Aug 26 2019
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
St. Louis City in east central Missouri...
Southwestern St. Charles County in east central Missouri...
Northern Jefferson County in east central Missouri...
East central Franklin County in east central Missouri...
St. Louis County in east central Missouri...
* Until 1015 AM CDT.
* At 618 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
St. Louis, O'Fallon, Chesterfield, Wildwood, University City,
Ballwin, Kirkwood, Maryland Heights, Webster Groves, Arnold,
Manchester, Creve Coeur, Overland, Clayton, Jennings, St. Ann,
Crestwood, Town and Country, Eureka and Ellisville.
This includes the following highways...
Interstate 44 in Missouri between exits 251 and 277.
Interstate 55 in Missouri between exits 190 and 191.
This also includes Babler Memorial State Park, Scott Joplin Historic
Site, Route 66 State Park, and Castlewood State Park.
LAT...LON 3860 9019 3857 9023 3852 9027 3844 9029
3840 9033 3847 9096 3872 9096 3872 9021
3871 9021 3869 9020 3863 9018
$$
BSH2 follow-up statements
165
WGUS73 KLSX 261248
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
748 AM CDT Mon Aug 26 2019
MOC071-099-183-189-510-261515-
/O.CON.KLSX.FF.W.0049.000000T0000Z-190826T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Louis City MO-St. Charles MO-Jefferson MO-Franklin MO-
St. Louis MO-
748 AM CDT Mon Aug 26 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
SOUTHWESTERN ST. CHARLES...NORTHERN JEFFERSON...EAST CENTRAL FRANKLIN
AND ST. LOUIS COUNTIES AND ST. LOUIS CITY...
At 745 AM CDT, FLASH FLOODING is occurring across southern St. Louis
County. Very heavy rainfall has caused local streams, creeks and
rivers to rise rapidly and flood low lying areas. Swift water
rescues have been reported in Eureka and Wildwood. Radar estimates
that 3 to locally 6 inches of rain has occurred across this area.
The rain should come to an end in the next hour or two, but the
threat of flash flooding will remain through 10 AM.
LAT...LON 3860 9019 3857 9023 3852 9027 3844 9029
3840 9033 3847 9096 3872 9096 3872 9021
3871 9021 3869 9020 3863 9018
$$
CVKING204
WGUS73 KLSX 261508
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
1008 AM CDT Mon Aug 26 2019
MOC071-099-183-189-510-261518-
/O.EXP.KLSX.FF.W.0049.000000T0000Z-190826T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Louis City MO-St. Charles MO-Jefferson MO-Franklin MO-
St. Louis MO-
1008 AM CDT Mon Aug 26 2019
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN ST. CHARLES...NORTHERN
JEFFERSON...EAST CENTRAL FRANKLIN AND ST. LOUIS COUNTIES AND ST.
LOUIS CITY WILL EXPIRE AT 1015 AM CDT...
The heavy rain has ended and the water is receding in most places.
Please continue to heed any remaining road closures.
LAT...LON 3860 9019 3857 9023 3852 9027 3844 9029
3840 9033 3847 9096 3872 9096 3872 9021
3871 9021 3869 9020 3863 9018
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 9:41 PM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 11 days |
| Aug 26, 12:47 AM CDT | Areal Flood Advisory | LSX | Audrain, Callaway, Montgomery | 3 hr |
| Aug 26, 12:59 AM CDT | Special Weather Statement | LSX | Lincoln | 46 min |
| Aug 26, 1:33 AM CDT | Special Weather Statement | LSX | Lincoln | 42 min |
| Aug 26, 1:41 AM CDT | Tornado Warning | LSX | Lincoln | 34 min |
| Aug 26, 1:51 AM CDT | Tornado Warning | LSX | Gasconade, Montgomery, Warren | 24 min |
| Aug 26, 1:55 AM CDT | Flash Flood Warning | LSX | Montgomery, Warren | 6 hr |
| Aug 26, 2:10 AM CDT | Tornado Warning | LSX | Lincoln, Pike | 35 min |
| Aug 26, 3:26 AM CDT | Flash Flood Warning | LSX | Lincoln, Warren | 6 hr |
| Aug 26, 4:15 AM CDT | Flash Flood Warning | LSX | Franklin, Warren | 6 hr |
| Aug 26, 5:33 AM CDT | Areal Flood Advisory | LSX | Franklin, Saint Charles, Saint Louis, City of Saint Louis | 3 hr |
| Aug 26, 10:28 AM CDT | Areal Flood Advisory | LSX | Franklin, Jefferson, Saint Louis | 3 hr |
| Aug 26, 10:48 AM CDT | River Flood Warning | LSX | Franklin, Warren | 10 hr |
| Aug 26, 10:48 AM CDT | River Flood Warning | LSX | Saint Charles, Saint Louis | 10 days |
| Aug 26, 12:49 PM CDT | River Flood Warning | LSX | Lincoln | 10 hr |
| Aug 26, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 67 min |
| Aug 26, 3:04 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Iron, Jefferson, Reynolds, Saint Francois and 1 more | 42 min |
| Aug 26, 4:54 PM CDT | Special Weather Statement | LSX | Carter | 21 min |
Nearby
Flash Flood Warnings in Missouri, 2019Every flash flood warning in 2019
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.