Alert archive / Illinois / Flash Flood Warnings in 2012
Flash Flood Warning 28, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Sep 26, 2012, 3:01 AM CDT for Clinton County, Marion County, Washington County, Illinois. It was in force for 6 hr. 12 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
- Sep 26, 2012, 3:01 AM CDT (08:01 UTC)
- Expired
- Sep 26, 2012, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clinton County, IL, Marion County, IL, Washington County, IL
The radar
The Evansville,IN radar (KVWX), 124 km from the middle of the area, began a volume at 08:00 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 |
|---|---|---|---|
| Sep 26, 7:00 AM CDT | HEAVY RAIN 3.1 | 2 Ene Patoka, IL | |
| Sep 26, 7:00 AM CDT | HEAVY RAIN 3.13 | Carlyle, IL | MEASURED AT WEST END OF CARLYLE LAKE DAM |
| Sep 26, 7:00 AM CDT | HEAVY RAIN 3.34 | 1 N Centralia, IL | |
| Sep 26, 7:00 AM CDT | HEAVY RAIN 4.7 | Beckemeyer, IL | |
| Sep 26, 7:00 AM CDT | HEAVY RAIN 5.09 | 12 Sw Iuka, IL | |
| Sep 26, 8:00 AM CDT | HEAVY RAIN 3.2 | Salem, IL | |
| Sep 26, 8:00 AM CDT | HEAVY RAIN 4.35 | Carlyle, IL | |
| Sep 26, 8:30 AM CDT | HEAVY RAIN 4.52 | 1 W Posey, IL | MEASURED AT THE DCP ON THE HWY 161 BRIDGE OVER THE KASKASKIA RIVER |
| Sep 26, 8:50 AM CDT | HEAVY RAIN 3.6 | 2 N Breese, IL | |
| Sep 26, 9:00 AM CDT | FLOOD | 3 N Nashville, IL | MOCKINGBIRD ROAD CLOSED AT ROUTE 127 NORTH OF NASHVILLE |
| Sep 26, 9:00 AM CDT | FLOOD | Carlyle, IL | SOME BACKROADS ACROSS THE COUNTY WERE CLOSED DUE TO HIGH WATER |
| Sep 26, 9:00 AM CDT | FLOOD | Wamac, IL | YARD ROAD CLOSED DUE TO HIGH WATER |
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, 8.0 hours before the alert went out and 179 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
- 1015 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
885
WGUS53 KLSX 260801
FFWLSX
ILC027-121-189-261400-
/O.NEW.KLSX.FF.W.0028.120926T0801Z-120926T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
301 AM CDT WED SEP 26 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
NORTHERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 900 AM CDT
* AT 254 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. AREAS FROM THE CLINTON-WASHINGTON COUNTY BORDER INTO
SOUTHERN MARION COUNTY WERE WERE HIT BY OVER 3 INCHES OF RAIN
TUESDAY EVENING...AND THIS PREDAWN HEAVY RAIN WILL BE TRACKING
OVER THE SAME AREA. WHILE THE RAINFALL OVER THE NEXT FEW HOURS
WILL NOT BE AS HEAVY AS WHAT FELL TUESDAY EVENING...IT WILL
CONTINUE FLASH FLOOD PROBLEMS ACROSS THE AREA INTO EARLY WEDNESDAY
MORNING.
CROOKED CREEK NEAR HOFFMAN IS AT 12.9 FEET AT LAST REPORT...FLOOD
STAGE IS 12 FEET. IN ADDITION...THE EAST FORK OF THE KASKASIA
RIVER IN MARION COUNTY IS AT 16 FEET...FLOOD STAGE IS 14 FEET.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BREESE...CARLYLE...CENTRALIA...SALEM...BECKEMEYER...BOULDER...
CENTRAL CITY...FAIRMAN...GERMANTOWN...HELM...IRVINGTON...
JAMESTOWN...KINMUNDY...ODIN...OKAWVILLE...OMEGA...PATOKA...
SANDOVAL...SHATTUC...ST. ROSE...STEPHEN FORBES STATE PARK AND
WAMAC.
THIS WARNING ALSO INCLUDES...
INTERSTATE 57 FROM EXIT 109 TO EXIT 127.
INTERSTATE 64 NEAR EXIT 61.
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.
&&
LAT...LON 3847 8870 3847 8914 3835 8914 3836 8957
3874 8956 3874 8914 3882 8914 3882 8870
$$
TRUETT1 follow-up statement
586
WGUS73 KLSX 261203
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
703 AM CDT WED SEP 26 2012
ILC027-121-189-261400-
/O.CON.KLSX.FF.W.0028.000000T0000Z-120926T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION IL-WASHINGTON IL-CLINTON IL-
703 AM CDT WED SEP 26 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CLINTON...NORTHERN
WASHINGTON AND MARION COUNTIES UNTIL 900 AM CDT...
ALTHOUGH ONLY LIGHT TO MODERATE RAIN WILL OCCUR OVER THE WARNING
AREA FOR THE NEXT FEW HOURS...A FLASH FLOOD THREAT WILL PERSIST DUE
TO THE EXTREMELY HEAVY RAINS THAT FELL YESTERDAY EVENING AND
OVERNIGHT. RAINFALL ESTIMATES FROM RADAR INDICATE ANYWHERE FROM 3
TO 5 INCHES OF RAIN FELL OVER PARTS OF CLINTON...NORTHERN
WASHINGTON...AND MARION COUNTIES. AN AUTOMATED RAIN GAGE AT
POSEY REPORTED 4.5 INCHES OF RAIN SO FAR....WITH 3.72 INCHES
RECORDED BY AN AUTOMATED GAGE AT CENTRALIA.
CROOKED CREEK AT HOFFMAN REMAINS ABOVE THE 12 FOOT FLOOD STAGE.
THE LATEST GAGE READING WAS 13.7 FEET...AND IT CONTINUES TO RISE.
THE EAST FORK OF THE KASKASKIA RIVER AT FAIRMAN ALSO REMAINS ABOVE
THE 14 FOOT FLOOD STAGE. THE LATEST GAGE READING WAS 16.3
FEET...AND IT ALSO CONTINUES TO RISE SLOWLY.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BREESE...CARLYLE...CENTRALIA...SALEM...BECKEMEYER...BOULDER...CENTRAL
CITY...FAIRMAN...GERMANTOWN...HELM...IRVINGTON...JAMESTOWN...
KINMUNDY...ODIN...OKAWVILLE...OMEGA...PATOKA...SANDOVAL...SHATTUC...
ST. ROSE...STEPHEN FORBES STATE PARK AND WAMAC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3847 8870 3847 8914 3835 8914 3836 8957
3874 8956 3874 8914 3882 8914 3882 8870
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 7:05 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 40 min |
| Sep 25, 7:29 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Washington | 46 min |
| Sep 25, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison, Saint Clair | 34 min |
| Sep 25, 8:13 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 47 min |
| Sep 25, 8:38 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Marion | 52 min |
| Sep 25, 8:59 PM CDT | Flash Flood Warning | LSX | Clinton, Washington | 6 hr |
| Sep 26, 9:08 AM CDT | Areal Flood Warning | LSX | Clinton, Marion, Washington | 12 hr |
Nearby
Flash Flood Warnings in Illinois, 2012Every flash flood warning in 2012
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.