Alert archive / Missouri / Flash Flood Warnings in 2018
Flash Flood Warning 22, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 28, 2018, 8:51 PM CDT for Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 6 hr. 3 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
- Jun 28, 2018, 8:51 PM CDT (01:51 UTC)
- Expired
- Jun 29, 2018, 2:45 AM 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), 88 km from the middle of the area, began a volume at 01:51 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 |
|---|---|---|---|
| Jun 28, 9:45 PM CDT | FLASH FLOOD | 2 E Leadington, MO | WIDESPREAD ROAD FLOODING REPORTED ACROSS ST FRANCOIS COUNTY. |
| Jun 28, 10:10 PM CDT | FLASH FLOOD | Bonne Terre, MO | 1 FOOT OF STANDING WATER OVER HIGHWAY K IN BONNE TERRE. |
| Jun 28, 10:27 PM CDT | HEAVY RAIN 2.64 | Desloge, MO | STORM TOTAL FROM SPOTTER. |
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, 1.9 hours before the alert went out and 281 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
- 1599 J/kg
- Mixed-layer CIN
- -203 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
723
WGUS53 KLSX 290151
FFWLSX
MOC186-187-290745-
/O.NEW.KLSX.FF.W.0022.180629T0151Z-180629T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
851 PM CDT THU JUN 28 2018
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Ste. Genevieve County in southeastern Missouri...
St. Francois County in southeastern Missouri...
* Until 245 AM CDT.
* At 850 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Farmington, Bonne Terre, Desloge, Ste. Genevieve, Bismarck,
Leadwood, Park Hills, Iron Mountain Lake, Bloomsdale, St. Mary,
Womac, Knob Lick, Rocky Ridge, Iron Mountain, Weingarten, Coffman,
Leadington, Blackwell, Minnith and Libertyville.
This includes Interstate 55 in Missouri between exits 141 and 162.
This also includes St. Joe State Park, St. Francois State Park, Hawn
State Park, Felix Valle House State Park, and Missouri Mines
Historic Site.
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.
&&
LAT...LON 3808 9064 3807 9061 3801 9063 3800 9058
3804 9041 3809 9033 3809 9029 3813 9025
3809 9021 3806 9013 3802 9010 3801 9006
3797 9000 3797 8994 3796 8992 3793 8998
3787 8994 3783 8999 3764 9015 3764 9065
$$
Tilly1 follow-up statement
487
WGUS73 KLSX 290244
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
944 PM CDT THU JUN 28 2018
MOC186-187-290745-
/O.CON.KLSX.FF.W.0022.000000T0000Z-180629T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ste. Genevieve MO-St. Francois MO-
944 PM CDT THU JUN 28 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR
STE. GENEVIEVE AND ST. FRANCOIS COUNTIES...
At 943 PM CDT, local law enforcement reported flash flooding across
portions of St. Francois County with numerous roads flooded,
including highway 8. Two to three inches of rain have already
fallen. Flash flooding is already occurring.
Some locations that will experience flooding include...
Farmington, Bonne Terre, Desloge, Ste. Genevieve, Bismarck, Leadwood,
Park Hills, Iron Mountain Lake, Bloomsdale, St. Mary, Womac, Knob
Lick, Rocky Ridge, Iron Mountain, Weingarten, Coffman, Leadington,
Blackwell, Minnith and Libertyville.
This includes Interstate 55 in Missouri between exits 141 and 162.
This also includes St. Joe State Park, St. Francois State Park, Hawn
State Park, Felix Valle House State Park, and Missouri Mines
Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3808 9064 3807 9061 3801 9063 3800 9058
3804 9041 3809 9033 3809 9029 3813 9025
3809 9021 3806 9013 3802 9010 3801 9006
3797 9000 3797 8994 3796 8992 3793 8998
3787 8994 3783 8999 3764 9015 3764 9065
$$
TillyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:38 PM CDT | Special Weather Statement | LSX | Jefferson | 37 min |
| Jun 28, 8:07 PM CDT | Flash Flood Warning | LSX | Jefferson | 6 hr |
| Jun 28, 8:41 PM CDT | Special Weather Statement | LSX | Saint Francois, Washington | 49 min |
| Jun 28, 9:49 PM CDT | Special Weather Statement | LSX | Iron | 41 min |
Nearby
Flash Flood Warnings in Missouri, 2018Every flash flood warning in 2018
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.