Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 103, NWS St. Louis, MO

June 25, 2021Lincoln County, Montgomery County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 2021, 6:48 PM CDT for Lincoln County, Montgomery County, Warren County, Missouri. It was in force for 42 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, 6:48 PM CDT (23:48 UTC)
Expired
Jun 25, 2021, 7:30 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lincoln County, MO, Montgomery County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 58 km from the middle of the area, began a volume at 23:49 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 12:00Z, 11.8 hours before the alert went out and 276 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 2021-06-25Temperature 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 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
1244 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

162 
WUUS53 KLSX 252348
SVRLSX
MOC113-139-219-260030-
/O.NEW.KLSX.SV.W.0103.210625T2348Z-210626T0030Z/

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

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  West central Lincoln County in east central Missouri...
  Eastern Montgomery County in east central Missouri...
  Northwestern Warren County in east central Missouri...

* Until 730 PM CDT.

* At 647 PM CDT, a severe thunderstorm was located near Big Spring,
  moving northeast 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...
  New Florence, Jonesburg and Bellflower.

This includes Interstate 70 in Missouri between exits 175 and 188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3912 9141 3906 9115 3872 9121 3869 9127
      3870 9130 3871 9131 3870 9133 3875 9156
TIME...MOT...LOC 2347Z 207DEG 16KT 3879 9142 

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

Carney
1 follow-up statement
463 
WWUS53 KLSX 260023
SVSLSX

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

MOC113-139-219-260030-
/O.CON.KLSX.SV.W.0103.000000T0000Z-210626T0030Z/
Lincoln MO-Montgomery MO-Warren MO-
723 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR WEST CENTRAL LINCOLN...NORTHEASTERN MONTGOMERY AND NORTHWESTERN
WARREN COUNTIES...

At 722 PM CDT, a severe thunderstorm was located over Montgomery
City, moving northeast at 30 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...
New Florence, Jonesburg, Bellflower, Buell, High Hill and Truxton. 

This includes Interstate 70 in Missouri between exits 175 and 188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3912 9141 3906 9115 3879 9120 3880 9127
      3884 9127 3885 9152
TIME...MOT...LOC 0022Z 212DEG 25KT 3898 9148 

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

MRM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 10:57 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby48 min
Jun 24, 11:03 PM CDTTornado WarningLSXMonroe, Shelby42 min
Jun 24, 11:29 PM CDTSevere Thunderstorm WarningLSXAudrain, Lewis, Marion, Monroe, Pike, Ralls and 1 more46 min
Jun 24, 11:32 PM CDTTornado WarningLSXLewis28 min
Jun 24, 11:35 PM CDTTornado WarningLSXAudrain, Monroe, Ralls40 min
Jun 24, 11:40 PM CDTTornado WarningLSXMarion, Monroe, Ralls, Shelby38 min
Jun 25, 12:09 AM CDTTornado WarningLSXAudrain, Pike, Ralls51 min
Jun 25, 12:17 AM CDTSevere Thunderstorm WarningLSXAudrain, Lincoln, Montgomery, Pike, Ralls43 min
Jun 25, 12:57 AM CDTSevere Thunderstorm WarningLSXLincoln, Pike48 min
Jun 25, 1:27 AM CDTRiver Flood WarningLSXBoone33 hr
Jun 25, 1:54 AM CDTAreal Flood AdvisoryLSXMontgomery3 hr
Jun 25, 2:21 AM CDTAreal Flood AdvisoryLSXAudrain, Boone, Callaway106 min
Jun 25, 3:07 AM CDTAreal Flood AdvisoryLSXBoone, Callaway, Cole, Moniteau82 min
Jun 25, 3:34 AM CDTFlash Flood WarningLSXBoone6 hr
Jun 25, 4:04 AM CDTFlash Flood WarningLSXAudrain, Boone, Callaway6 hr
Jun 25, 4:26 AM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Moniteau6 hr
Jun 25, 4:28 AM CDTFlash Flood WarningLSXCallaway, Lincoln, Montgomery, Osage, Warren6 hr
Jun 25, 7:48 AM CDTRiver Flood WarningLSXLincoln62 hr
Jun 25, 8:25 AM CDTAreal Flood WarningLSXAudrain, Boone, Callaway, Cole, Moniteau9 hr
Jun 25, 10:06 AM CDTRiver Flood WarningLSXFranklin, Warren9 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXSaint Charles, Saint Louis21 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau8 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXCallaway, Osage21 days
Jun 25, 10:06 AM CDTRiver Flood WarningLSXGasconade, Montgomery10 days
Jun 25, 4:59 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage20 min
Jun 25, 5:01 PM CDTSevere Thunderstorm WarningLSXBoone, Moniteau44 min
Jun 25, 5:05 PM CDTRiver Flood WarningLSXCole, Osage9 days
Jun 25, 5:42 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway22 min
Jun 25, 6:07 PM CDTRiver Flood WarningLSXLincoln3 days
Jun 25, 6:36 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren39 min
Jun 25, 6:43 PM CDTFlash Flood WarningLSXAudrain, Boone, Callaway6 hr
Jun 25, 6:55 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway19 min

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.