Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 106, NWS St. Louis, MO

June 25, 2021Lincoln County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 2021, 7:20 PM CDT for Lincoln County, Warren County, Missouri. It was in force for 40 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 25, 2021, 7:20 PM CDT (00:20 UTC)
Expired
Jun 25, 2021, 8:00 PM CDT
In force
40 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Lincoln County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 38 km from the middle of the area, began a volume at 00:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 5:06 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.3 hours before the alert went out and 245 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 00:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1254 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
1254 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.6

Open this sounding in Storm Lab

The text

As transmitted.

902 
WUUS53 KLSX 260020
SVRLSX
MOC113-219-260100-
/O.NEW.KLSX.SV.W.0106.210626T0020Z-210626T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
720 PM CDT Fri Jun 25 2021

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  Central Lincoln County in east central Missouri...
  Northeastern Warren County in east central Missouri...

* Until 800 PM CDT.

* At 720 PM CDT, a severe thunderstorm was located near Hawk Point,
  moving northeast at 20 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Troy and Moscow Mills around 740 PM CDT.

Other locations in the path of this severe thunderstorm include Davis
and Fountain N' Lakes.

This includes Interstate 70 in Missouri between exits 188 and 199.
 
This also includes Cuivre River State Park.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3904 9074 3889 9094 3889 9095 3888 9096
      3878 9109 3880 9127 3898 9126 3919 9102
TIME...MOT...LOC 0020Z 221DEG 19KT 3893 9107 

HAIL...0.88IN
WIND...60MPH
 
$$

MRM
3 follow-up statements
847 
WWUS53 KLSX 260034
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
734 PM CDT Fri Jun 25 2021

MOC113-219-260100-
/O.CON.KLSX.SV.W.0106.000000T0000Z-210626T0100Z/
Lincoln MO-Warren MO-
734 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR CENTRAL LINCOLN AND NORTHEASTERN WARREN COUNTIES...

At 734 PM CDT, a severe thunderstorm was located near Davis, moving
north at 25 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Davis.

This also includes Cuivre River State Park.
 
This includes Interstate 70 in Missouri between exits 193 and 199.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3904 9074 3889 9094 3889 9095 3888 9096
      3878 9109 3879 9116 3903 9120 3919 9102
TIME...MOT...LOC 0034Z 199DEG 21KT 3901 9105 

HAIL...0.88IN
WIND...60MPH
 
$$

MRM
089 
WWUS53 KLSX 260042
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
742 PM CDT Fri Jun 25 2021

MOC113-219-260100-
/O.CON.KLSX.SV.W.0106.000000T0000Z-210626T0100Z/
Lincoln MO-Warren MO-
742 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR CENTRAL LINCOLN AND NORTHEASTERN WARREN COUNTIES...

At 741 PM CDT, a severe thunderstorm was located over Troy, moving
northeast at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Troy, Warrenton, Wright City, Moscow Mills, Davis, Truesdale, Hawk
Point, Fountain N' Lakes, Silex, Whiteside and Cave.

This also includes Cuivre River State Park.
 
This includes Interstate 70 in Missouri between exits 193 and 199.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3904 9074 3889 9094 3889 9095 3888 9096
      3878 9109 3879 9116 3909 9113 3919 9102
TIME...MOT...LOC 0041Z 209DEG 15KT 3900 9101 

HAIL...<.75IN
WIND...60MPH
 
$$

MRM
877 
WWUS53 KLSX 260050
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
750 PM CDT Fri Jun 25 2021

MOC113-219-260100-
/O.EXP.KLSX.SV.W.0106.000000T0000Z-210626T0100Z/
Lincoln MO-Warren MO-
750 PM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LINCOLN AND
NORTHEASTERN WARREN COUNTIES WILL EXPIRE AT 800 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
east central Missouri.

LAT...LON 3904 9074 3889 9094 3889 9095 3888 9096
      3878 9109 3879 9116 3909 9113 3919 9102
TIME...MOT...LOC 0050Z 221DEG 19KT 3904 9097 

$$

MRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:15 PM CDTSevere Thunderstorm WarningLSXPike45 min
Jun 25, 7:32 PM CDTFlash Flood WarningLSXMarion, Monroe, Pike, Ralls6 hr
Jun 25, 7:50 PM CDTFlash Flood WarningLSXLincoln, Montgomery, Saint Charles, Warren6 hr
Jun 25, 8:00 PM CDTFlash Flood WarningLSXAudrain, Montgomery, Pike, Ralls6 hr
Jun 25, 8:11 PM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Montgomery, Osage, Warren4 hr
Jun 25, 9:29 PM CDTFlash Flood WarningLSXLincoln, Saint Charles6 hr
Jun 25, 9:43 PM CDTFlash Flood Warning Considerable damage threatLSXLincoln, Montgomery, Saint Charles, Warren4 hr
Jun 25, 11:32 PM CDTRiver Flood WarningLSXMarion11 hr
Jun 26, 12:43 AM CDTFlash Flood WarningLSXAudrain, Boone, Callaway, Cole, Gasconade, Moniteau and 5 more6 hr
Jun 26, 12:55 AM CDTRiver Flood WarningLSXCole35 hr
Jun 26, 1:25 AM CDTAreal Flood WarningLSXMarion, Monroe, Pike, Ralls14 hr
Jun 26, 1:48 AM CDTFlash Flood WarningLSXFranklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren6 hr
Jun 26, 3:29 AM CDTAreal Flood WarningLSXLincoln, Saint Charles9 hr
Jun 26, 6:25 AM CDTAreal Flood WarningLSXAudrain, Boone, Callaway, Cole, Gasconade, Moniteau and 4 more11 hr
Jun 26, 7:34 AM CDTAreal Flood WarningLSXFranklin, Gasconade, Lincoln, Montgomery, Saint Charles, Warren8 hr
Jun 26, 11:42 AM CDTRiver Flood WarningLSXJefferson, Saint Louis8 days
Jun 26, 11:44 AM CDTRiver Flood WarningLSXSaint Charles7 days
Jun 26, 12:13 PM CDTRiver Flood WarningLSXPerry, Sainte Genevieve9 days
Jun 26, 1:37 PM CDTTornado WarningLSXLincoln, Pike38 min
Jun 26, 3:22 PM CDTAreal Flood WarningLSXLincoln2 hr

Nearby

Severe 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.