Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 7, 2015, 12:47 PM CDT for 4 counties in Missouri; Randolph County, Illinois. It was in force for 6 hr. 7 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
- Apr 7, 2015, 12:47 PM CDT (17:47 UTC)
- Expired
- Apr 7, 2015, 6:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Randolph County, IL, Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 102 km from the middle of the area, began a volume at 17:49 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 |
|---|---|---|---|
| Apr 7, 1:47 PM CDT | FLASH FLOOD | Bonne Terre, MO | 2 FEET OF WATER OVER MINE SHAFT ROAD |
| Apr 7, 2:00 PM CDT | FLASH FLOOD | 4 Se Potosi, MO | ROUTE U CLOSED AT THE INTERSECTION OF JOHN SMITH RD DUE TO WATER ON ROAD. |
| Apr 7, 2:08 PM CDT | HEAVY RAIN 2.4 | 2 Ese Potosi, MO | |
| Apr 7, 2:10 PM CDT | FLASH FLOOD | 5 Sw Bloomsdale, MO | ROUTE Y CLOSED BOTH DIRECTIONS SOUTHWEST OF BLOOMSDALE DUE TO WATER ON ROAD. |
| Apr 7, 3:30 PM CDT | HEAVY RAIN 3 | Potosi, MO | SEVERAL LOW WATER BRIDGES CLOSED IN THE CITY OF POTOSI. |
| Apr 7, 3:51 PM CDT | HEAVY RAIN 2.5 | 4 N French Village, MO | POND OVERFLOWING. |
| Apr 7, 4:30 PM CDT | FLASH FLOOD | Farmington, MO | SEVERAL SMALL ROADS REPORTED CLOSED ACROSS THE COUNTY DUE TO FLOODING. MANY REPORTS OF LOW WATER CROSSINGS IMPASSABLE ACROSS THE COUNTY. |
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, 5.8 hours before the alert went out and 275 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
- 134 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 443 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
144
WGUS53 KLSX 071747
FFWLSX
ILC157-MOC099-186-187-221-072330-
/O.NEW.KLSX.FF.W.0003.150407T1747Z-150407T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1247 PM CDT TUE APR 7 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
RANDOLPH COUNTY IN SOUTHWEST ILLINOIS...
SOUTHERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 630 PM CDT
* AT 1244 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES RANGE FROM AN INCH AND A HALF IN
EASTERN WASHINGTON COUNTY TO OVER TWO AND A HALF INCHES OVER
CENTRAL STE. GENEVIEVE COUNTY.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BONNE
TERRE...CHESTER...DESLOGE...FARMINGTON...LEADWOOD...POTOSI...
SPARTA...STE. GENEVIEVE...BLOOMSDALE...BREMEN...COFFMAN...
COULTERVILLE...EVANSVILLE...IRONDALE...MINERAL POINT...OLD MINES...
OLYMPIAN VILLAGE...PARK HILLS...PERCY...ROCKY RIDGE...ST. MARY...
STEELEVILLE AND WEINGARTEN.
THIS WARNING INCLUDES FELIX VALLE HOUSE STATE PARK...HAWN STATE
PARK...MISSOURI MINES HISTORIC SITE...ST. FRANCOIS STATE PARK...ST.
JOE STATE PARK AND WASHINGTON STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
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 3785 8965 3784 8975 3785 8978 3789 8982
3790 8985 3787 8990 3787 8994 3780 9001
3775 9031 3783 9104 3815 9105 3813 9025
3809 9021 3814 9004 3822 8959 3795 8959
$$
FUCHS2 follow-up statements
478
WGUS73 KLSX 072144
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
444 PM CDT TUE APR 7 2015
ILC157-MOC099-186-187-221-072330-
/O.CON.KLSX.FF.W.0003.000000T0000Z-150407T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH IL-JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-
WASHINGTON MO-
444 PM CDT TUE APR 7 2015
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL WASHINGTON...ST.
FRANCOIS...STE. GENEVIEVE...SOUTHERN JEFFERSON AND RANDOLPH COUNTIES
UNTIL 630 PM CDT...
AT 440 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERAL
ROADS WITH WATER FLOWING ACROSS THEM IN ST. FRANCOIS AND STE.
GENEVIEVE COUNTIES. ADDITIONALLY...THE MISSOURI DEPARTMENT OF
TRANSPORTATION REPORTED THAT ROUTE Y SOUTHWEST OF BLOOMSDALE...AND
ROUTE U AT THE INTERSECTION OF JOHN SMITH ROAD SOUTHEAST OF POTOSI
WERE CLOSED DUE TO WATER COVERING THE ROADS. LOW WATER CROSSINGS
WERE ALSO REPORTED TO BE INUNDATED ACROSS THE AREA.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...BONNE
TERRE...CHESTER...DE SOTO...DESLOGE...FARMINGTON...LEADWOOD...
POTOSI...SPARTA...STE. GENEVIEVE...BLOOMSDALE...BREMEN...COFFMAN...
COULTERVILLE...EVANSVILLE...IRONDALE...MINERAL POINT...OLD MINES...
OLYMPIAN VILLAGE...PARK HILLS...PERCY...ROCKY RIDGE...ST. MARY...
STEELEVILLE AND WEINGARTEN.
THIS WARNING INCLUDES FELIX VALLE HOUSE STATE PARK...HAWN STATE
PARK...MISSOURI MINES HISTORIC SITE...ST. FRANCOIS STATE PARK...ST.
JOE STATE PARK AND WASHINGTON STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH
ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 3785 8965 3784 8975 3785 8978 3789 8982
3790 8985 3787 8990 3787 8994 3780 9001
3775 9031 3783 9104 3815 9105 3813 9025
3809 9021 3814 9004 3822 8959 3795 8959
$$
CARNEY175
WGUS73 KLSX 072325
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
625 PM CDT TUE APR 7 2015
ILC157-MOC099-186-187-221-072338-
/O.EXP.KLSX.FF.W.0003.000000T0000Z-150407T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH IL-JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-
WASHINGTON MO-
625 PM CDT TUE APR 7 2015
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL
WASHINGTON...ST. FRANCOIS...STE. GENEVIEVE...SOUTHERN JEFFERSON AND
RANDOLPH COUNTIES WILL BE ALLOWED TO EXPIRE AT 630 PM 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 FLASH FLOOD THREAT. IF FLOODING HAS BEEN
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
IT IS IMPORTANT TO NOTE...LOW WATER CROSSINGS MAY CONTINUE TO BE
INUNDATED FOR SOME TIME. DO NOT DRIVE INTO LOW WATER CROSSINGS THAT
ARE COVERED TO AN UNKNOWN DEPTH.
LAT...LON 3785 8965 3784 8975 3785 8978 3789 8982
3790 8985 3787 8990 3787 8994 3780 9001
3775 9031 3783 9104 3815 9105 3813 9025
3809 9021 3814 9004 3822 8959 3795 8959
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 4:59 AM CDT | Severe Thunderstorm Warning | LSX | Boone | 46 min |
| Apr 7, 5:34 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway | 56 min |
| Apr 7, 6:23 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 67 min |
| Apr 7, 7:06 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 54 min |
| Apr 7, 7:56 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis, Warren | 49 min |
| Apr 7, 8:42 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis | 48 min |
| Apr 7, 9:18 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 42 min |
| Apr 7, 9:26 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis, City of Saint Louis | 49 min |
| Apr 7, 9:42 AM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis, Warren | 8 hr |
| Apr 7, 9:58 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 47 min |
| Apr 7, 10:03 AM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 42 min |
| Apr 7, 10:43 AM CDT | Areal Flood Advisory | LSX | Saint Louis, City of Saint Louis | 4 hr |
| Apr 7, 10:53 AM CDT | Flash Flood Warning | LSX | Crawford, Franklin, Jefferson, Washington | 4 hr |
| Apr 7, 12:42 PM CDT | River Flood Warning | LSX | Saint Charles | 35 hr |
Nearby
Flash Flood Warnings in Missouri, 2015Flash Flood Warnings in Illinois, 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.