Alert archive / Illinois / Flash Flood Warnings in 2008
Flash Flood Warning 34, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 27, 2008, 2:48 PM CDT for Clinton County, Marion County, Washington County, Illinois. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 27, 2008, 2:48 PM CDT (19:48 UTC)
- Expired
- May 27, 2008, 8:45 PM 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), 131 km from the middle of the area, began a volume at 19:50 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.8 hours before the alert went out and 180 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
- 553 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 271953
FFWLSX
ILC027-121-189-280145-
/O.NEW.KLSX.FF.W.0034.080527T1948Z-080528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
248 PM CDT TUE MAY 27 2008
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
WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS
* UNTIL 845 PM CDT
* AT 246 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN AND FLASH FLOODING OVER THE
WARNED AREA. RADAR ESTIMATES 1 TO 3 INCHES OF RAIN HAS FALLEN
SINCE NOON. ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES CAN BE
EXPECTED.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING STEPHEN FORBES STATE PARK...ST. ROSE...PATOKA...OMEGA...
KINMUNDY...FAIRMAN AND BOULDER.
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.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
LAT...LON 3847 8871 3847 8914 3821 8915 3822 8970
3865 8971 3865 8958 3873 8960 3874 8913
3882 8914 3882 8871 3881 8869
TIME...MOT...LOC 1948Z 180DEG 0KT 3864 8903
$$
GLASS2 follow-up statements
000
WGUS73 KLSX 272120
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
411 PM CDT TUE MAY 27 2008
ILC027-121-189-280145-
/O.CON.KLSX.FF.W.0034.000000T0000Z-080528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IL-CLINTON IL-MARION IL-
411 PM CDT TUE MAY 27 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
MARION...CLINTON AND WASHINGTON COUNTIES...
AT 404 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT
SHOWERS AND THUNDERSTORMS WERE BEGINNING TO SLOWLY EXIT THE WARNED
AREA. ADDITIONAL RAINFALL AMOUNTS WILL BE LESS THAN A HALF
INCH.
WHILE NO REPORTS OF FLOODING HAVE BEEN RECEIVED...RADAR
ESTIMATES SHOW 2 TO 4 INCHES OF RAIN HAS FALLEN SINCE NOON ACROSS
PORTIONS OF MARION COUNTY AND SOUTHERN WASHINGTON COUNTY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STEPHEN
FORBES STATE PARK...ST. ROSE...PATOKA...OMEGA...KINMUNDY...FAIRMAN
...IUKA...CARTTER...AND BOULDER.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
LAT...LON 3847 8871 3847 8914 3821 8915 3822 8970
3865 8971 3865 8958 3873 8960 3874 8913
3882 8914 3882 8871 3881 8869
TIME...MOT...LOC 2111Z 180DEG 0KT 3864 8903
$$
GLASS000
WGUS73 KLSX 280150
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
850 PM CDT TUE MAY 27 2008
ILC027-121-189-280200-
/O.EXP.KLSX.FF.W.0034.000000T0000Z-080528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IL-CLINTON IL-MARION IL-
850 PM CDT TUE MAY 27 2008
...THE FLASH FLOOD WARNING HAS EXPIRED FOR MARION...CLINTON AND
WASHINGTON COUNTIES...
A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO
LONGER A PROBLEM IN THE AREA.
MOTORISTS SHOULD STILL EXERCISE CAUTION WHEN APPROACHING AREAS THAT
ARE PRONE TO STANDING WATER DURING TIMES OF WET WEATHER.
LAT...LON 3847 8871 3847 8914 3821 8915 3822 8970
3865 8971 3865 8958 3873 8960 3874 8913
3882 8914 3882 8871 3881 8869
TIME...MOT...LOC 2120Z 180DEG 0KT 3864 8903
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 2:04 PM CDT | Flash Flood Warning | LSX | Bond | 4 hr |
Nearby
Flash Flood Warnings in Illinois, 2008Every flash flood warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.