Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 7, 2015, 10:53 AM CDT for 4 counties in Missouri; Monroe County, Illinois. It was in force for 4 hr. 2 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, 10:53 AM CDT (15:53 UTC)
- Expired
- Apr 7, 2015, 3:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monroe County, IL, Crawford County, MO, Franklin County, MO, Jefferson County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 15:56 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, 1:10 PM CDT | FLASH FLOOD | 1 Se Imperial, MO | ROUTE M CLOSED IN BOTH DIRECTIONS FROM INTERSTATE 55 TO US ROUTE 67 DUE TO FLOODING FROM GLAIZE CREEK. |
| Apr 7, 3:00 PM CDT | HEAVY RAIN 3.5 | Lonedell, 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, 3.9 hours before the alert went out and 260 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.
845
WGUS53 KLSX 071553
FFWLSX
ILC133-MOC055-071-099-221-072000-
/O.NEW.KLSX.FF.W.0002.150407T1553Z-150407T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1053 AM CDT TUE APR 7 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
NORTHEASTERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
WESTERN MONROE COUNTY IN SOUTHWEST ILLINOIS...
* UNTIL 300 PM CDT
* AT 1050 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES 1 TO 3 INCHES OF RAIN MAY HAVE FALLEN
FROM JUST EAST OF SULLIVAN TO NEAR CEDAR HILL SINCE 930AM...WITH
THE THUNDERSTORMS MOVING VERY LITTLE OVER THIS AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANTONIA...ARNOLD...BARNHART...BOURBON...CEDAR HILL...CRYSTAL
CITY...DE SOTO...FESTUS...HERCULANEUM...HILLSBORO...PEVELY...ST.
CLAIR...SULLIVAN...WATERLOO...DITTMER...FOUNTAIN...LONEDELL...
PARKWAY...RICHWOODS AND VALMEYER.
THIS WARNING INCLUDES GOV. DUNKLIN'S GRAVE HISTORIC SITE...MASTODON
HISTORIC SITE...MERAMEC STATE PARK...ROBERTSVILLE STATE PARK AND
SANDY CREEK COVERED BRIDGE HISTORIC SITE.
THIS WARNING ALSO INCLUDES...
INTERSTATE 44 FROM EXIT 218 TO EXIT 240.
INTERSTATE 55 IN MISSOURI FROM EXIT 170 TO EXIT 191.
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 3815 9127 3845 9086 3836 9049 3845 9043
3845 9034 3843 9035 3839 9034 3841 9031
3840 9012 3837 9010 3813 9030
$$
TRUETT2 follow-up statements
632
WGUS73 KLSX 071917
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
217 PM CDT TUE APR 7 2015
ILC133-MOC055-071-099-221-072000-
/O.CON.KLSX.FF.W.0002.000000T0000Z-150407T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE IL-CRAWFORD MO-FRANKLIN MO-JEFFERSON MO-WASHINGTON MO-
217 PM CDT TUE APR 7 2015
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN
WASHINGTON...CENTRAL JEFFERSON...SOUTHEASTERN FRANKLIN...NORTHEASTERN
CRAWFORD AND WESTERN MONROE COUNTIES UNTIL 300 PM CDT...
AT 204 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THESE THUNDERSTORMS HAD MOVED SOUTH AND EAST OF THE WARNED AREA.
THE HEAVIEST RAINFALL WITHIN THE WARNED AREA FELL EAST CENTRAL AND
SOUTHEASTERN FRANKLIN COUNTY NEAR THE LONEDELL AREA INTO WEST
CENTRAL JEFFERSON COUNTY NEAR DITTMER...WHERE RADAR-BASED RAINFALL
ESTIMATES RANGED FROM 2 TO 3 INCHES.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ANTONIA...ARNOLD...BARNHART...BOURBON...CEDAR HILL...CRYSTAL CITY...
DE SOTO...FESTUS...HERCULANEUM...HILLSBORO...PEVELY...ST. CLAIR...
SULLIVAN...WATERLOO...DITTMER...FOUNTAIN...LONEDELL...PARKWAY...
RICHWOODS AND VALMEYER.
WHILE FRANKLIN COUNTY SHERIFF'S OFFICE REPORTS THE PREVIOUSLY CLOSED
ROADS OVER THE SOUTHEASTERN PORTION OF THE COUNTY TO NOW BE
OPENED...THERE WERE UP TO 8 LOCAL ROADS CLOSED OVER PORTIONS OF
JEFFERSON COUNTY DUE TO FLOODING. MEANWHILE...THERE HAVE BEEN NO
REPORTS OF FLOODING OUT OF MONROE COUNTY ILLINOIS.
THIS WARNING INCLUDES GOV. DUNKLIN'S GRAVE HISTORIC SITE...MASTODON
HISTORIC SITE...MERAMEC STATE PARK...ROBERTSVILLE STATE PARK AND
SANDY CREEK COVERED BRIDGE HISTORIC SITE.
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 FLASH 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 3815 9127 3845 9086 3836 9049 3845 9043
3845 9034 3843 9035 3839 9034 3841 9031
3840 9012 3837 9010 3813 9030
$$
FUCHS220
WGUS73 KLSX 071958
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
258 PM CDT TUE APR 7 2015
ILC133-MOC055-071-099-221-072011-
/O.EXP.KLSX.FF.W.0002.000000T0000Z-150407T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE IL-CRAWFORD MO-FRANKLIN MO-JEFFERSON MO-WASHINGTON MO-
258 PM CDT TUE APR 7 2015
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
WASHINGTON...CENTRAL JEFFERSON...SOUTHEASTERN FRANKLIN...NORTHEASTERN
CRAWFORD AND WESTERN MONROE COUNTIES WILL BE ALLOWED TO EXPIRE AT 300
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 FLOOD THREAT. ALL BUT ONE OF THE 16 ROADDS
PREVIOUSLY CLOSED FOR FLOODING ACROSS JEFFERSON COUNTY MISSOURI HAVE
BEEN REOPENED. OTHER COUNTIES IN THE WARNED AREA ARE REPORTING NO
FLOODING AT THIS TIME. IF FLOODING HAS BEEN OBSERVED...PLEASE
REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3815 9127 3845 9086 3836 9049 3845 9043
3845 9034 3843 9035 3839 9034 3841 9031
3840 9012 3837 9010 3813 9030
$$
FUCHSThe 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, 12:42 PM CDT | River Flood Warning | LSX | Saint Charles | 35 hr |
| Apr 7, 12:47 PM CDT | Flash Flood Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 6 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.