Alert archive / Illinois / Flash Flood Warnings in 2016
Flash Flood Warning 16, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 24, 2016, 11:28 PM CDT for Greene County, Macoupin County, Illinois. It was in force for 7 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
- Jul 24, 2016, 11:28 PM CDT (04:28 UTC)
- Expired
- Jul 25, 2016, 6:30 AM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, IL, Macoupin County, IL
The radar
The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 04:29 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 00:00Z, 4.5 hours before the alert went out and 145 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
- 4298 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
256
WGUS53 KLSX 250428
FFWLSX
ILC061-117-251130-
/O.NEW.KLSX.FF.W.0016.160725T0428Z-160725T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1128 PM CDT SUN JUL 24 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN GREENE COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHERN MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS...
* UNTIL 630 AM CDT MONDAY
* AT 1128 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN SINCE 10 PM. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VIRDEN...CARROLLTON...GIRARD...GREENFIELD...PALMYRA...
ATHENSVILLE...WRIGHTS...NILWOOD...MODESTO...HETTICK...
ROCKBRIDGE AND SCOTTVILLE.
ADDITIONAL RAINFALL AMOUNTS OF TWO INCHES ARE POSSIBLE IN THE WARNED
AREA.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...EAST FORK OTTER
CREEK...LITTLE BEAR CREEK...MILLER BRANCH...STEER CREEK...MACOUPIN
CREEK...LITTLE BEAR ROUGH...BEAR CREEK...LEFT FORK APPLE CREEK...
COATES CREEK...RICHARDSON BRANCH...LINK BRANCH...PRAIRIE BRANCH...
LONG BRANCH...NEGRO LICK...HICKS CREEK...SHEARLES BRANCH...JOES
CREEK...SUGAR CREEK...SAND BRANCH...HODGES CREEK...RUBICON CREEK...
HURRICANE CREEK...SAND CREEK...APPLE CREEK...SOLOMON CREEK...LICK
CREEK...WHITAKER CREEK...WEST BRANCH HORSE CREEK...PANTHER CREEK AND
TAYLOR CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3952 8970 3943 8970 3920 9039 3932 9040
3952 9014
$$
TES1 follow-up statement
583
WGUS73 KLSX 251126
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
626 AM CDT MON JUL 25 2016
ILC061-117-251136-
/O.EXP.KLSX.FF.W.0016.000000T0000Z-160725T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE IL-MACOUPIN IL-
626 AM CDT MON JUL 25 2016
...THE FLASH FLOOD WARNING FOR EASTERN GREENE AND NORTHERN MACOUPIN
COUNTIES WILL EXPIRE AT 630 AM CDT...
THE HEAVY RAIN HAS ENDED. FLOOD WATERS HAVE RECEDED. FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.
LAT...LON 3952 8970 3943 8970 3920 9039 3932 9040
3952 9014
$$
GKSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 2:27 AM CDT | Special Weather Statement | LSX | Calhoun | 48 min |
| Jul 25, 2:51 AM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 6 hr |
| Jul 25, 3:27 AM CDT | Special Weather Statement | LSX | Jersey, Macoupin, Madison, Montgomery | 48 min |
Nearby
Flash Flood Warnings in Illinois, 2016Every flash flood warning in 2016
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.