Alert archive / Illinois / Flash Flood Warnings in 2008
Flash Flood Warning 30, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 25, 2008, 9:09 PM CDT for Saint Charles County, Missouri; 4 counties in Illinois. It was in force for 4 hr. 8 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
- May 25, 2008, 9:09 PM CDT (02:09 UTC)
- Expired
- May 26, 2008, 1:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jersey County, IL, Macoupin County, IL, Madison County, IL, Montgomery County, IL, Saint Charles County, MO
The radar
The St Louis radar (KLSX), 67 km from the middle of the area, began a volume at 02:09 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 |
|---|---|---|---|
| May 25, 9:22 PM CDT | HEAVY RAIN 2 | 3 W Bunker Hill, IL | MEASURED 2 INCHES OF RAIN IN THE LAST HOUR IN WOODBURN |
| May 25, 10:12 PM CDT | FLOOD | Piasa, IL | ROADS FLOODED IN BRIGHTMAN...MT. OLIVE...AND PIASA. WATER UP TO 5 FEET DEEP IN PIASA. |
| May 25, 10:18 PM CDT | FLOOD | Godfrey, IL | WATER UP TO 4 INCHES DEEP ON ROUTE 3 IN GODFREY |
| May 25, 10:19 PM CDT | HEAVY RAIN 2.65 | Shipman, IL | |
| May 25, 10:21 PM CDT | HEAVY RAIN 2.4 | 2 W Bunker Hill, IL | RAINFALL FROM 800 PM TO 1015 PM |
| May 25, 11:16 PM CDT | FLOOD | Portage Des Sioux, MO | WATER OVER THE ROAD AT HIGHWAY 94 AND ROUTE J...DEPTH UNKNOWN |
| May 26, 1:00 AM CDT | FLASH FLOOD | Carlinville, IL | NUMEROUS ROADS HAVE WATER OVER THEM IN THE SOUTHERN HALF OF THE COUNTY. |
| May 26, 1:08 AM CDT | FLASH FLOOD | Jerseyville, IL | WATER STILL OVER NUMEROUS PRIMARY AND SECONDARY ROADS COUNTYWIDE...THOUGH NONE CLOSED AT THIS TIME. |
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, 2.2 hours before the alert went out and 177 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
- 955 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 941 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 260212
FFWLSX
ILC083-117-119-135-MOC183-260615-
/O.NEW.KLSX.FF.W.0030.080526T0209Z-080526T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
909 PM CDT SUN MAY 25 2008
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS
JERSEY COUNTY IN SOUTHWEST ILLINOIS
SOUTHERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS
NORTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS
* UNTIL 115 AM CDT
* AT 904 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ALONG A LINE EXTENDING
FROM LITCHFIELD TO 8 MILES SOUTHWEST OF JERSEYVILLE...MOVING EAST
AT 12 MPH. THIS LINE OF STORMS IS PRODUCING RAINFALL RATES OF 1
TO 2 INCHES AN HOUR AS THE STORMS MOVE REPEATEDLY OVER THE SAME
LOCATION.
* OTHER FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING RAYMOND...ELSAH...PORTAGE DES SIOUX...WEST ALTON...
GODFREY...ALTON...WITT...BRIGHTON...BETHALTO...DORSEY...BUNKER
HILL...PRAIRIETOWN...WORDEN...WILSONVILLE...STAUNTON...BENLD...
GILLESPIE...LIVINGSTON...MOUNT OLIVE...TAYLOR SPRINGS...HILLSBORO
AND COFFEEN.
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 3903 8959 3900 8959 3899 8965 3895 8965
3884 9023 3889 9031 3883 9037 3883 9044
3879 9051 3889 9054 3896 9047 3897 9055
3913 9059 3936 8954 3935 8933 3903 8928
TIME...MOT...LOC 0209Z 257DEG 10KT 3921 8956 3904 9041
$$
BRITT1 follow-up statement
000
WGUS73 KLSX 260319
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1016 PM CDT SUN MAY 25 2008
ILC083-117-119-135-MOC183-260615-
/O.CON.KLSX.FF.W.0030.000000T0000Z-080526T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY IL-MADISON IL-JERSEY IL-MACOUPIN IL-ST. CHARLES MO-
1016 PM CDT SUN MAY 25 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR
NORTHEASTERN ST. CHARLES...SOUTHERN MACOUPIN...JERSEY...NORTHERN
MADISON AND MONTGOMERY COUNTIES...
AT 1013 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING TORRENTIAL HEAVY RAINFALL...LEADING
TO FLASH FLOODING.
MANY MINOR ROADS AND LOW LYING AREAS ARE NOW FLOODED AND IMPASSIBLE
ACROSS SOUTHERN MACOUPIN COUNTY...JERSEY COUNTY...NORTHERN MADISON
COUNTY AND MONTGOMERY COUNTY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 3903 8959 3900 8959 3899 8965 3895 8965
3884 9023 3889 9031 3883 9037 3883 9044
3879 9051 3889 9054 3896 9047 3897 9055
3913 9059 3936 8954 3935 8933 3903 8928
TIME...MOT...LOC 0316Z 257DEG 10KT 3925 8933 3908 9018
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:18 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 57 min |
| May 25, 7:23 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 52 min |
| May 25, 7:38 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 52 min |
| May 25, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Lincoln, Pike, Ralls | 49 min |
| May 25, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Iron, Reynolds, Washington | 41 min |
| May 25, 8:26 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 34 min |
| May 25, 8:30 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Iron, Reynolds, Washington | 45 min |
| May 25, 8:32 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Montgomery | 40 min |
| May 25, 8:56 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 64 min |
| May 25, 8:58 PM CDT | Flash Flood Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 4 hr |
| May 25, 9:03 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis, Washington | 42 min |
| May 25, 9:09 PM CDT | Tornado Warning | LSX | Warren | 30 min |
| May 25, 9:57 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 48 min |
| May 25, 11:19 PM CDT | River Flood Warning | LSX | Lincoln | 22 hr |
| May 26, 12:59 AM CDT | Areal Flood Warning | LSX | Montgomery, Saint Charles, Warren | 4 hr |
| May 26, 2:31 AM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Montgomery, Osage | 44 min |
| May 26, 3:03 AM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 42 min |
| May 26, 5:06 AM CDT | Areal Flood Warning | LSX | Montgomery, Saint Charles, Warren | 20 hr |
| May 26, 5:18 AM CDT | Areal Flood Warning | LSX | Saint Louis, City of Saint Louis | 6 hr |
| May 26, 12:08 PM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 34 hr |
| May 26, 12:59 PM CDT | River Flood Warning | LSX | Lincoln | 48 hr |
| May 26, 12:59 PM CDT | River Flood Warning | LSX | Saint Charles | 9 hr |
| May 26, 5:11 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 52 hr |
| May 25, 10:29 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Macoupin, Madison, Monroe, Montgomery and 3 more | 46 min |
| May 25, 11:37 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 23 min |
| May 25, 11:58 PM CDT | Flash Flood Warning | LSX | Bond, Clinton | 6 hr |
| May 26, 1:12 AM CDT | Areal Flood Warning | LSX | Greene, Jersey, Macoupin, Madison, Montgomery | 4 hr |
| May 26, 6:02 AM CDT | Areal Flood Advisory | LSX | Bond, Clinton | 4 hr |
| May 26, 6:58 AM CDT | Flash Flood Warning | LSX | Saint Clair | 4 hr |
| May 26, 7:13 AM CDT | Areal Flood Advisory | LSX | Clinton, Fayette, Greene, Macoupin, Marion, Montgomery and 1 more | 37 hr |
| May 26, 11:23 AM CDT | Areal Flood Warning | LSX | Macoupin | 14 hr |
| May 26, 12:59 PM CDT | River Flood Warning | LSX | Randolph | 7 days |
Nearby
Flash Flood Warnings in Illinois, 2008Flash Flood Warnings in Missouri, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.