Alert archive / Illinois / Special Weather Statements in 2019

Special Weather Statement, NWS St. Louis, MO

June 16, 2019Clinton County, Marion County, Illinois

NWS St. Louis, MO issued this special weather statement at Jun 16, 2019, 2:08 AM CDT for Clinton County, Marion County, Illinois. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 16, 2019, 2:08 AM CDT (07:08 UTC)
Expired: Jun 16, 2019, 2:45 AM CDT
In force: 37 min
Issued by: NWS St. Louis, MO

Counties Clinton County, IL, Marion County, IL

The radar

The St Louis radar (KLSX), 126 km from the middle of the area, began a volume at 07:12 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, 7.1 hours before the alert went out and 171 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 95 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 950 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS83 KLSX 160708
SPSLSX

Special Weather Statement
National Weather Service St Louis MO
208 AM CDT Sun Jun 16 2019
 
ILZ064-065-069-070-100-101-160745-
Marion IL-St. Clair IL-Bond IL-Madison IL-Clinton IL-Fayette IL-
208 AM CDT Sun Jun 16 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CLINTON AND SOUTHEASTERN
BOND COUNTIES IN SOUTH CENTRAL ILLINOIS...SOUTHEASTERN MADISON COUNTY
IN SOUTHWESTERN ILLINOIS...MARION...SOUTHERN FAYETTE COUNTIES IN
SOUTH CENTRAL ILLINOIS AND NORTHEASTERN ST. CLAIR COUNTIES IN
SOUTHWESTERN ILLINOIS UNTIL 245 AM CDT...

At 208 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Patoka to near Tamalco to near Lebanon.
Movement was east at 50 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
O'Fallon, Salem, Breese, Lebanon, Carlyle, Trenton, Aviston, St.
Rose, Sandoval, Odin, Beckemeyer, Kinmundy, Patoka, Tamalco, Farina,
Omega, Stephen Forbes Station, Fairman, Boulder and Shattuc.

This includes Interstate 57 in Illinois between exits 116 and 135.
 
This also includes Carlyle Lake Recreational Area.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3860 8914 3859 8970 3863 8998 3874 8945
      3885 8907 3890 8869 3860 8870
TIME...MOT...LOC 0708Z 265DEG 45KT 3880 8904 3872 8930 3863 8983 

$$

Britt

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 9:39 PM CDT	Special Weather Statement	LSX	Lewis	36 min
Jun 15, 10:13 PM CDT	Special Weather Statement	LSX	Marion, Shelby	32 min
Jun 15, 10:35 PM CDT	Special Weather Statement	LSX	Monroe, Ralls	40 min
Jun 15, 10:43 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Monroe, Pike, Ralls, Shelby	47 min
Jun 15, 11:26 PM CDT	Special Weather Statement	LSX	Pike, Ralls	49 min
Jun 15, 11:38 PM CDT	Special Weather Statement	LSX	Monroe	52 min
Jun 16, 12:26 AM CDT	Special Weather Statement	LSX	Audrain	49 min
Jun 16, 6:30 PM CDT	Areal Flood Advisory	LSX	Audrain, Monroe, Ralls	3 hr
Jun 15, 11:10 PM CDT	Special Weather Statement	LSX	Brown	50 min
Jun 16, 1:01 AM CDT	Special Weather Statement	LSX	Madison	44 min
Jun 16, 1:06 AM CDT	Special Weather Statement	LSX	Montgomery	39 min
Jun 16, 1:14 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Saint Clair	46 min
Jun 16, 2:19 AM CDT	Areal Flood Advisory	LSX	Madison	6 hr
Jun 16, 2:29 AM CDT	Areal Flood Advisory	LSX	Bond, Clinton	6 hr
Jun 16, 2:58 AM CDT	Special Weather Statement	LSX	Marion	32 min
Jun 16, 3:34 AM CDT	Areal Flood Advisory	LSX	Clinton, Fayette, Marion	5 hr
Jun 16, 10:12 AM CDT	River Flood Warning	LSX	Fayette	25 hr
Jun 16, 2:46 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	44 min
Jun 16, 3:39 PM CDT	Severe Thunderstorm Warning	LSX	Marion	26 min

Nearby

Special Weather Statements in Illinois, 2019 Every special weather statement in 2019

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.