Alert archive / Illinois / Flash Flood Warnings in 2011
Flash Flood Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 14, 2011, 6:56 AM CDT for Brown County, Pike County, Illinois. It was in force for 6 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
- Jun 14, 2011, 6:56 AM CDT (11:56 UTC)
- Expired
- Jun 14, 2011, 12:31 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brown County, IL, Pike County, IL
The radar
The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 11:56 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 |
|---|---|---|---|
| Jun 14, 7:00 AM CDT | HEAVY RAIN 2.75 | Mount Sterling, IL | RAINFALL LAST 24 HOURS |
| Jun 14, 8:00 AM CDT | HEAVY RAIN 3.81 | 6 Nw Perry, IL | 24-HR TOTAL. |
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, 11.9 hours before the alert went out and 196 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1855 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 444 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
256
WGUS53 KLSX 141156
FFWLSX
ILC009-149-141800-
/O.NEW.KLSX.FF.W.0049.110614T1156Z-110614T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
656 AM CDT TUE JUN 14 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BROWN COUNTY IN WEST CENTRAL ILLINOIS...
PIKE COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 100 PM CDT TUESDAY
* AT 654 AM CDT...VERY HEAVY RAIN FELL OVERNIGHT AND ANOTHER ROUND
OF THUNDERSTORMS WILL BE MOVING INTO PIKE AND BROWN COUNTIES...
WITH ADDITIONAL HEAVY RAIN LIKELY OVER THE NEXT COUPLE OF HOURS.
TWO TO THREE INCHES OF RAIN HAS ALREADY FALLEN OVERNIGHT WITH
ANOTHER ONE TO TWO INCHES OF RAINFALL POSSIBLE THIS MORNING.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PITTSFIELD...ATLAS...BARRY...BUCKHORN...GRIGGSVILLE...MOUNT
STERLING AND PLEASANT HILL.
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.
&&
LAT...LON 4011 9091 3976 9092 3976 9136 3973 9137
3960 9117 3955 9115 3954 9110 3943 9100
3940 9094 3940 9062 3952 9058 3972 9064
3983 9057 3988 9058 3997 9051 3998 9061
4003 9060 4003 9065 4010 9070
$$
TILLY2 follow-up statements
643
WGUS73 KLSX 141344
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
844 AM CDT TUE JUN 14 2011
ILC009-149-141800-
/O.CON.KLSX.FF.W.0049.000000T0000Z-110614T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-BROWN IL-
844 AM CDT TUE JUN 14 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR BROWN AND PIKE COUNTIES
IN WEST CENTRAL ILLINOIS UNTIL 100 PM CDT...
AT 841 AM CDT...AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAINFALL
WAS MOVING INTO BROWN AND PIKE COUNTIES. TRAINED SPOTTERS IN THIS
AREA REPORTED OVER 2.5 INCHES OF RAIN FELL OVERNIGHT. AN ADDITIONAL
ONE TO TWO INCHES OF RAIN IS EXPECTED THIS MORNING.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PITTSFIELD...ATLAS...BARRY...BUCKHORN...GRIGGSVILLE...MOUNT STERLING
AND PLEASANT HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.
&&
LAT...LON 4011 9091 3976 9092 3976 9136 3973 9137
3960 9117 3955 9115 3954 9110 3943 9100
3940 9094 3940 9062 3952 9058 3972 9064
3983 9057 3988 9058 3997 9051 3998 9061
4003 9060 4003 9065 4010 9070
$$
KANOFSKY063
WGUS73 KLSX 141731
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1231 PM CDT TUE JUN 14 2011
ILC009-149-141747-
/O.CAN.KLSX.FF.W.0049.000000T0000Z-110614T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-BROWN IL-
1231 PM CDT TUE JUN 14 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR BROWN AND PIKE
COUNTIES IN WEST CENTRAL ILLINOIS 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 4011 9091 3976 9092 3976 9136 3973 9137
3960 9117 3955 9115 3954 9110 3943 9100
3940 9094 3940 9062 3952 9058 3972 9064
3983 9057 3988 9058 3997 9051 3998 9061
4003 9060 4003 9065 4010 9070
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 10:31 PM CDT | Flash Flood Warning | LSX | Adams | 8 hr |
| Jun 13, 11:13 PM CDT | Flash Flood Warning | LSX | Brown, Pike | 8 hr |
| Jun 13, 11:48 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 30 min |
| Jun 14, 1:50 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 16 min |
| Jun 14, 4:52 AM CDT | River Flood Warning | LSX | Adams | 10 days |
| Jun 14, 6:30 AM CDT | Flash Flood Warning | LSX | Adams | 6 hr |
| Jun 14, 8:51 AM CDT | River Flood Warning | LSX | Brown | 10 days |
| Jun 14, 9:27 AM CDT | Areal Flood Advisory | LSX | Bond, Clinton, Madison, Saint Clair, Washington | 3 hr |
| Jun 14, 10:11 AM CDT | River Flood Warning | LSX | Fayette | 11 hr |
Nearby
Flash Flood Warnings in Illinois, 2011Every flash flood warning in 2011
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.