Alert archive / Illinois / Flash Flood Warnings in 2015
Flash Flood Warning 76, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 27, 2015, 7:49 PM CDT for Calhoun County, Pike County, Illinois. It was in force for 5 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 27, 2015, 7:49 PM CDT (00:49 UTC)
- Expired
- Jul 28, 2015, 12:45 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calhoun County, IL, Pike County, IL
The radar
The St Louis radar (KLSX), 91 km from the middle of the area, began a volume at 00:52 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, 0.8 hours before the alert went out and 206 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
- 372 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1155 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
932
WGUS53 KLSX 280049
FFWLSX
ILC013-149-280545-
/O.NEW.KLSX.FF.W.0076.150728T0049Z-150728T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
749 PM CDT MON JUL 27 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
PIKE COUNTY IN WEST CENTRAL ILLINOIS...
NORTHWESTERN CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...
* UNTIL 1245 AM CDT
* AT 748 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE AND A HALF INCHES OF
RAIN HAS ALREADY FALLEN IN 30 MINUTES OR LESS. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PITTSFIELD...BARRY...GRIGGSVILLE...PLEASANT HILL...ATLAS...
CLARKSVILLE...PIKE...BELLEVIEW...INDEPENDENCE...BEDFORD...
MONTEZUMA...HULL...MARTINSBURG...NEW CANTON...NEBO...KAMPSVILLE...
MILTON...KINDERHOOK...BAYLIS AND PEARL.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.
THIS INCLUDES INTERSTATE 72 BETWEEN EXITS 10 AND 35.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3969 9065 3964 9061 3954 9057 3943 9062
3935 9062 3924 9060 3923 9072 3925 9073
3932 9080 3941 9097 3948 9106 3954 9110
3955 9115 3957 9117 3960 9118 3962 9122
3975 9137 3976 9061
$$
TILLY1 follow-up statement
884
WGUS73 KLSX 280516
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1216 AM CDT TUE JUL 28 2015
ILC013-149-280526-
/O.CAN.KLSX.FF.W.0076.000000T0000Z-150728T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-CALHOUN IL-
1216 AM CDT TUE JUL 28 2015
...THE FLASH FLOOD WARNING FOR PIKE COUNTY IN WEST CENTRAL ILLINOIS
AND NORTHWESTERN CALHOUN COUNTIES IN SOUTHWESTERN ILLINOIS IS
CANCELLED...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 3969 9065 3964 9061 3954 9057 3943 9062
3935 9062 3924 9060 3923 9072 3925 9073
3932 9080 3941 9097 3948 9106 3954 9110
3955 9115 3957 9117 3960 9118 3962 9122
3975 9137 3976 9061
$$
TILLYNearby
Flash Flood Warnings in Illinois, 2015Every flash flood warning in 2015
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.