Severe Thunderstorm Warning 194, NWS St. Louis, MO

Issued

Dec 10, 2021, 10:19 PM CST (04:19 UTC)

Expired

Dec 10, 2021, 11:00 PM CST

In force

41 min

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Tornado

Possible

Hail

1.0 in

Wind

60.0 mph

Counties Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO

The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 04:22 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.

977 
WUUS53 KLSX 110419
SVRLSX
ILC133-157-163-MOC099-186-187-110500-
/O.NEW.KLSX.SV.W.0194.211211T0419Z-211211T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
1019 PM CST Fri Dec 10 2021

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  Southern Monroe County in southwestern Illinois...
  Northern Randolph County in southwestern Illinois...
  Southeastern St. Clair County in southwestern Illinois...
  Southeastern Jefferson County in east central Missouri...
  Northwestern Ste. Genevieve County in southeastern Missouri...
  North central St. Francois County in southeastern Missouri...

* Until 1100 PM CST.

* At 1019 PM CST, a severe thunderstorm was located near Olympian
  Village, moving east at 45 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.

* This severe thunderstorm will be near...
  Bloomsdale around 1030 PM CST.

Other locations in the path of this severe thunderstorm include Red
Bud, Evansville, Sparta, Marissa and Baldwin.

This includes Interstate 55 in Missouri between exits 162 and 174.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois...and southeastern and east central
Missouri.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois...and southeastern and east central
Missouri.

&&

LAT...LON 3812 8970 3799 9046 3817 9051 3845 8971
TIME...MOT...LOC 0419Z 253DEG 39KT 3808 9037 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Britt

533 
WWUS53 KLSX 110432
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1032 PM CST Fri Dec 10 2021

MOC099-186-187-110441-
/O.CAN.KLSX.SV.W.0194.000000T0000Z-211211T0500Z/
Jefferson MO-Ste. Genevieve MO-St. Francois MO-
1032 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON...
NORTHWESTERN STE. GENEVIEVE AND NORTH CENTRAL ST. FRANCOIS COUNTIES
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois.

LAT...LON 3812 8970 3810 9020 3825 9027 3845 8971
TIME...MOT...LOC 0431Z 239DEG 58KT 3824 9008 

$$

ILC133-157-163-110500-
/O.CON.KLSX.SV.W.0194.000000T0000Z-211211T0500Z/
Monroe IL-Randolph IL-St. Clair IL-
1032 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CST
FOR SOUTHERN MONROE...NORTHERN RANDOLPH AND SOUTHEASTERN ST. CLAIR
COUNTIES...

At 1031 PM CST, a severe thunderstorm was located over New Design,
moving northeast at 65 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  New Athens and Marissa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3812 8970 3810 9020 3825 9027 3845 8971
TIME...MOT...LOC 0431Z 239DEG 58KT 3824 9008 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Britt

152 
WWUS53 KLSX 110459
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1059 PM CST Fri Dec 10 2021

ILC133-157-163-110508-
/O.EXP.KLSX.SV.W.0194.000000T0000Z-211211T0500Z/
Monroe IL-Randolph IL-St. Clair IL-
1059 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MONROE...NORTHERN
RANDOLPH AND SOUTHEASTERN ST. CLAIR COUNTIES WILL EXPIRE AT 1100 PM
CST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 200 AM CST for south central
and southwestern Illinois.

LAT...LON 3812 8970 3810 9020 3825 9027 3845 8971
TIME...MOT...LOC 0458Z 253DEG 39KT 3833 8972 

$$

Britt

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

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.