Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 60, NWS St. Louis, MO

June 19, 2021Calhoun County, Greene County, Jersey County, Illinois; Lincoln County, Pike County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 19, 2021, 2:15 PM CDT for Calhoun County, Greene County, Jersey County, Illinois; Lincoln County, Pike County, Missouri. It was in force for 31 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 19, 2021, 2:15 PM CDT (19:15 UTC)
Expired
Jun 19, 2021, 2:46 PM CDT
In force
31 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Lincoln County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 60 km from the middle of the area, began a volume at 19:15 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, 7.3 hours before the alert went out and 205 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1960 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

580 
WUUS53 KLSX 191915
SVRLSX
ILC013-061-083-MOC113-163-192000-
/O.NEW.KLSX.SV.W.0060.210619T1915Z-210619T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
215 PM CDT Sat Jun 19 2021

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  North central Calhoun County in southwestern Illinois...
  Southwestern Greene County in southwestern Illinois...
  West central Jersey County in southwestern Illinois...
  Northeastern Lincoln County in east central Missouri...
  Southeastern Pike County in northeastern Missouri...

* Until 300 PM CDT.

* At 215 PM CDT, a severe thunderstorm was located near Belleview,
  moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Hardin and Carrollton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3921 9088 3932 9089 3934 9034 3911 9039
TIME...MOT...LOC 1915Z 268DEG 22KT 3926 9079 

HAIL...1.00IN
WIND...60MPH
 
$$

KD
2 follow-up statements
352 
WWUS53 KLSX 191928
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
228 PM CDT Sat Jun 19 2021

ILC013-061-083-MOC113-163-192000-
/O.CON.KLSX.SV.W.0060.000000T0000Z-210619T2000Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-Pike MO-
228 PM CDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTH CENTRAL CALHOUN...SOUTHWESTERN GREENE AND WEST CENTRAL
JERSEY COUNTIES IN SOUTHWESTERN ILLINOIS...NORTHEASTERN LINCOLN
COUNTY IN EAST CENTRAL MISSOURI AND SOUTHEASTERN PIKE COUNTIES IN
NORTHEASTERN MISSOURI...

At 228 PM CDT, a severe thunderstorm was located 7 miles northeast of
Elsberry, moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Carrollton, Hardin, Kampsville, Eldred, Hamburg, Annada, Woody,
Mozier and Michael.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3921 9088 3932 9089 3934 9034 3911 9039
TIME...MOT...LOC 1928Z 276DEG 20KT 3925 9070 

HAIL...1.25IN
WIND...60MPH
 
$$

KD
306 
WWUS53 KLSX 191946
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
246 PM CDT Sat Jun 19 2021

ILC013-061-083-MOC113-163-191955-
/O.CAN.KLSX.SV.W.0060.000000T0000Z-210619T2000Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-Pike MO-
246 PM CDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CALHOUN...
SOUTHWESTERN GREENE AND WEST CENTRAL JERSEY COUNTIES IN SOUTHWESTERN
ILLINOIS...NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI AND
SOUTHEASTERN PIKE COUNTIES IN NORTHEASTERN MISSOURI IS CANCELLED...
                
A new Severe Thunderstorm Warning has replaced the old one and thus 
the threat of large hail and damaging winds continues. 

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern Illinois...and northeastern and east central Missouri.

LAT...LON 3921 9088 3932 9089 3934 9034 3911 9039
TIME...MOT...LOC 1944Z 268DEG 22KT 3925 9056 

$$

KD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 5:44 AM CDTSevere Thunderstorm WarningLSXMarion18 min
Jun 19, 10:45 AM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery45 min
Jun 19, 2:44 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey32 min
Jun 19, 2:52 PM CDTSevere Thunderstorm WarningLSXPike38 min
Jun 19, 2:55 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey50 min
Jun 19, 3:21 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike25 min
Jun 19, 3:31 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey44 min
Jun 19, 4:10 PM CDTFlash Flood WarningLSXCalhoun6 hr
Jun 19, 4:16 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey, Madison44 min
Jun 19, 4:35 PM CDTFlash Flood WarningLSXCalhoun, Greene, Jersey6 hr
Jun 19, 4:43 PM CDTSevere Thunderstorm WarningLSXCalhoun47 min
Jun 19, 5:17 PM CDTSevere Thunderstorm WarningLSXSaint Clair43 min
Jun 19, 5:25 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair35 min
Jun 19, 6:00 PM CDTSevere Thunderstorm WarningLSXMonroe45 min
Jun 19, 5:09 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis51 min
Jun 19, 5:31 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls59 min
Jun 19, 5:46 PM CDTSevere Thunderstorm WarningLSXPike, Ralls59 min
Jun 19, 5:58 PM CDTFlash Flood WarningLSXMarion, Pike, Ralls6 hr
Jun 19, 6:46 PM CDTSevere Thunderstorm WarningLSXLincoln, Pike44 min
Jun 19, 6:54 PM CDTSevere Thunderstorm WarningLSXMonroe, Ralls51 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm warning in 2021

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.