Alert archive / Missouri / Flash Flood Warnings in 2013
Flash Flood Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 22, 2013, 3:25 PM CDT for Monroe County, Saint Clair County, Illinois; Jefferson County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 6 hr. 1 report 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 22, 2013, 3:25 PM CDT (20:25 UTC)
- Expired
- Jun 22, 2013, 9:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monroe County, IL, Saint Clair County, IL, City of Saint Louis, MO, Jefferson County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 55 km from the middle of the area, began a volume at 20:27 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 22, 3:45 PM CDT | HEAVY RAIN 2.23 | 2 Ne O'Fallon, IL | RAINFALL SO FAR...STILL RAINING. |
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, 8.4 hours before the alert went out and 266 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
- 2564 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
559
WGUS53 KLSX 222025
FFWLSX
ILC133-163-MOC099-189-510-230230-
/O.NEW.KLSX.FF.W.0033.130622T2025Z-130623T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
325 PM CDT SAT JUN 22 2013
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
MONROE COUNTY IN SOUTHWEST ILLINOIS...
SOUTH CENTRAL ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
SOUTHERN ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS...
* UNTIL 930 PM CDT
* AT 323 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. BETWEEN ONE AND TWO INCHES OF RAIN...WITH LOCALLY
HIGHER AMOUNTS HAS FALLEN IN THE PAST HOUR. AN ADDITIONAL INCH OR
TWO IS POSSIBLE OVER THE NEXT SEVERAL HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AFFTON...ANTONIA...ARNOLD...BARNHART...BELLEVILLE...CAHOKIA...
CASEYVILLE...CENTREVILLE...COLUMBIA...CRYSTAL CITY...DE SOTO...
DUPO...EAST ST. LOUIS...FAIRVIEW HEIGHTS...FESTUS...FREEBURG...
HERCULANEUM...HILLSBORO...LAKESHIRE...LEBANON...LEMAY...
MASCOUTAH...MEHLVILLE...MILLSTADT...O'FALLON...OAKVILLE...PEVELY...
SCOTT AFB...SHILOH AND SWANSEA.
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.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
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.
&&
LAT...LON 3800 9058 3803 9062 3807 9061 3809 9068
3811 9068 3819 9077 3829 9076 3843 9048
3866 9020 3865 8971 3834 8970
$$
BYRD1 follow-up statement
947
WGUS73 KLSX 230203
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
903 PM CDT SAT JUN 22 2013
ILC133-163-MOC099-189-510-230218-
/O.CAN.KLSX.FF.W.0033.000000T0000Z-130623T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE IL-ST. CLAIR IL-JEFFERSON MO-ST. LOUIS MO-ST. LOUIS CITY MO-
903 PM CDT SAT JUN 22 2013
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN ST. LOUIS
CITY...SOUTH CENTRAL ST. LOUIS...JEFFERSON...ST. CLAIR AND MONROE
COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3800 9058 3803 9062 3807 9061 3809 9068
3811 9068 3819 9077 3829 9076 3843 9048
3866 9020 3865 8971 3834 8970
$$
GOSSELINThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 1:56 PM CDT | Areal Flood Advisory | LSX | Bond, Macoupin, Madison, Montgomery | 4 hr |
| Jun 22, 3:19 PM CDT | Areal Flood Advisory | LSX | Bond, Clinton, Fayette, Madison, Marion, Montgomery | 4 hr |
| Jun 22, 4:52 PM CDT | Areal Flood Advisory | LSX | Clinton, Washington | 6 hr |
| Jun 22, 2:28 PM CDT | Areal Flood Advisory | LSX | Franklin, Jefferson, Saint Louis | 3 hr |
| Jun 22, 3:04 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 26 min |
| Jun 22, 5:35 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 2013Flash Flood Warnings in Illinois, 2013Every flash flood warning in 2013
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.