Alert archive / Missouri / Tornado Warnings in 2020

Tornado Warning 3, NWS St. Louis, MO

March 2, 2020Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 2, 2020, 6:26 PM CST for Reynolds County, Missouri. It was in force for 35 min. 1 report 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: Mar 2, 2020, 6:26 PM CST (00:26 UTC)
Expired: Mar 2, 2020, 7:01 PM CST
In force: 35 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 176 km from the middle of the area, began a volume at 00:30 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
Mar 2, 6:40 PM CST	HAIL 1	5 Nnw Garwood, MO	VIA FACEBOOK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.4 hours before the alert went out and 260 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 7 J/kg
Mixed-layer CIN: -326 J/kg
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

047 
WFUS53 KLSX 030026
TORLSX
MOC179-030115-
/O.NEW.KLSX.TO.W.0003.200303T0026Z-200303T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
626 PM CST Mon Mar 2 2020

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Reynolds County in southeastern Missouri...

* Until 715 PM CST.
    
* At 626 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Van Buren, moving east at 25 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Garwood around 645 PM CST.

This also includes Clearwater Lake Recreational Area.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3705 9096 3710 9096 3710 9102 3714 9102
      3714 9103 3715 9103 3719 9074 3717 9074
      3717 9075 3714 9076 3714 9078 3705 9078
TIME...MOT...LOC 0026Z 274DEG 23KT 3710 9103 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

CVKING

2 follow-up statements

313 
WWUS53 KLSX 030046
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
646 PM CST Mon Mar 2 2020

MOC179-030115-
/O.CON.KLSX.TO.W.0003.000000T0000Z-200303T0115Z/
Reynolds MO-
646 PM CST Mon Mar 2 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CST FOR
SOUTHEASTERN REYNOLDS COUNTY...
    
At 646 PM CST, a severe thunderstorm capable of producing a tornado
was located near Garwood, moving east at 40 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Reynolds County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3708 9092 3711 9091 3714 9078 3705 9078
TIME...MOT...LOC 0046Z 264DEG 34KT 3709 9084 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

CVKING

895 
WWUS53 KLSX 030101
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
701 PM CST Mon Mar 2 2020

MOC179-030111-
/O.CAN.KLSX.TO.W.0003.000000T0000Z-200303T0115Z/
Reynolds MO-
701 PM CST Mon Mar 2 2020

...THE TORNADO WARNING FOR SOUTHEASTERN REYNOLDS COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3708 9092 3711 9091 3714 9078 3705 9078
TIME...MOT...LOC 0058Z 274DEG 23KT 3708 9072 

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 6:01 PM CST	Severe Thunderstorm Warning	LSX	Reynolds	89 min
Mar 2, 6:06 PM CST	Severe Thunderstorm Warning	LSX	Iron, Reynolds	54 min
Mar 2, 6:24 PM CST	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois, Washington	36 min
Mar 2, 6:51 PM CST	Severe Thunderstorm Warning	LSX	Iron, Madison	39 min
Mar 2, 7:22 PM CST	Severe Thunderstorm Warning	LSX	Madison	38 min

Nearby

Tornado Warnings in Missouri, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.