Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 19, 2021, 2:55 PM CDT for Calhoun County, Greene County, Jersey County, Illinois; Lincoln County, Missouri. It was in force for 50 min. 3 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
- Jun 19, 2021, 2:55 PM CDT (19:55 UTC)
- Expired
- Jun 19, 2021, 3:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Lincoln County, MO
The radar
The St Louis radar (KLSX), 51 km from the middle of the area, began a volume at 19:55 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 |
|---|---|---|---|
| Jun 19, 2:55 PM CDT | TSTM WND DMG | Elsberry, MO | A NUMBER OF POWER LINES BLOWN DOWN IN THE ELSBERRY AREA. |
| Jun 19, 3:00 PM CDT | HAIL 1 | Hardin, IL | |
| Jun 19, 3:27 PM CDT | TSTM WND DMG | 1 Nnw Batchtown, IL | SEVERAL LARGE TREES BLOWN DOWN IN THE BATCHTOWN AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 19, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.9 hours before the alert went out and 203 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
- 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
The text
As transmitted.
219
WUUS53 KLSX 191955
SVRLSX
ILC013-061-083-MOC113-192045-
/O.NEW.KLSX.SV.W.0063.210619T1955Z-210619T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
255 PM CDT Sat Jun 19 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Calhoun County in southwestern Illinois...
Southwestern Greene County in southwestern Illinois...
Southwestern Jersey County in southwestern Illinois...
Northeastern Lincoln County in east central Missouri...
* Until 345 PM CDT.
* At 254 PM CDT, a severe thunderstorm was located over Elsberry,
moving southeast at 20 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 Grafton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3917 9029 3896 9042 3911 9088 3922 9082
3922 9072 3924 9072
TIME...MOT...LOC 1954Z 298DEG 17KT 3916 9078
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
KD3 follow-up statements
121
WWUS53 KLSX 192015
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
315 PM CDT Sat Jun 19 2021
ILC013-061-083-MOC113-192045-
/O.CON.KLSX.SV.W.0063.000000T0000Z-210619T2045Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-
315 PM CDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR CENTRAL CALHOUN...SOUTHWESTERN GREENE...SOUTHWESTERN JERSEY AND
NORTHEASTERN LINCOLN COUNTIES...
At 314 PM CDT, a severe thunderstorm was located near Hardin, moving
southeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jerseyville, Elsberry, Hardin, Grafton, Fieldon, Batchtown,
Otterville and Nutwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3917 9029 3896 9042 3909 9083 3920 9076
3920 9066
TIME...MOT...LOC 2014Z 298DEG 17KT 3911 9067
HAIL...1.25IN
WIND...60MPH
$$
KD298
WWUS53 KLSX 192019 CCA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
319 PM CDT Sat Jun 19 2021
ILC013-061-083-MOC113-192045-
/O.COR.KLSX.SV.W.0063.000000T0000Z-210619T2045Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-
319 PM CDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR CENTRAL CALHOUN...SOUTHWESTERN GREENE...SOUTHWESTERN JERSEY AND
NORTHEASTERN LINCOLN COUNTIES...
At 319 PM CDT, a severe thunderstorm was located near Hardin, moving
southeast at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Jerseyville, Elsberry, Hardin, Grafton, Fieldon, Batchtown,
Otterville and Nutwood.
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 3917 9029 3896 9042 3909 9083 3920 9076
3920 9066
TIME...MOT...LOC 2014Z 298DEG 17KT 3911 9067
HAIL...1.50IN
WIND...60MPH
$$
KD632
WWUS53 KLSX 192034
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
334 PM CDT Sat Jun 19 2021
ILC013-061-083-MOC113-192045-
/O.CON.KLSX.SV.W.0063.000000T0000Z-210619T2045Z/
Calhoun IL-Greene IL-Jersey IL-Lincoln MO-
334 PM CDT Sat Jun 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR CENTRAL CALHOUN...SOUTHWESTERN GREENE...SOUTHWESTERN JERSEY AND
NORTHEASTERN LINCOLN COUNTIES...
At 333 PM CDT, a severe thunderstorm was located 7 miles south of
Hardin, moving southeast at 35 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Law enforcement reported power lines down in Elsberry.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Jerseyville, Elsberry, Hardin, Grafton, Fieldon, Batchtown,
Otterville and Nutwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail and locally damaging winds. SEEK
SHELTER NOW inside a sturdy structure and stay away from windows.
&&
LAT...LON 3917 9029 3896 9042 3909 9083 3920 9076
3920 9066
TIME...MOT...LOC 2033Z 312DEG 29KT 3905 9061
HAIL...1.50IN
WIND...60MPH
$$
KDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 5:44 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 18 min |
| Jun 19, 10:45 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 45 min |
| Jun 19, 2:15 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 31 min |
| Jun 19, 2:44 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 32 min |
| Jun 19, 2:52 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 38 min |
| Jun 19, 3:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 25 min |
| Jun 19, 3:31 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 44 min |
| Jun 19, 4:10 PM CDT | Flash Flood Warning | LSX | Calhoun | 6 hr |
| Jun 19, 4:16 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 44 min |
| Jun 19, 4:35 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Jersey | 6 hr |
| Jun 19, 4:43 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| Jun 19, 5:17 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 43 min |
| Jun 19, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 35 min |
| Jun 19, 6:00 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 45 min |
| Jun 19, 5:09 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 51 min |
| Jun 19, 5:31 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Ralls | 59 min |
| Jun 19, 5:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 59 min |
| Jun 19, 5:58 PM CDT | Flash Flood Warning | LSX | Marion, Pike, Ralls | 6 hr |
| Jun 19, 6:46 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 44 min |
| Jun 19, 6:54 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Ralls | 51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.