Alert archive / Missouri / Tornado Warnings in 2017

Tornado Warning 2, NWS St. Louis, MO

February 28, 2017Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Feb 28, 2017, 6:14 PM CST for Reynolds County, Missouri. It was in force for 30 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: Feb 28, 2017, 6:14 PM CST (00:14 UTC)
Expired: Feb 28, 2017, 6:44 PM CST
In force: 30 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 152 km from the middle of the area, began a volume at 00:14 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.

Issued	Product	Office	Lasted
Feb 28, 2:19 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 244 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: 1117 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 931 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 315 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

As transmitted.

949 
WFUS53 KLSX 010014
TORLSX
MOC179-010100-
/O.NEW.KLSX.TO.W.0002.170301T0014Z-170301T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
614 PM CST TUE FEB 28 2017

The National Weather Service in St Louis has issued a

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

* Until 700 PM CST.

* At 614 PM CST, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Bunker, moving northeast at 60
  mph.

  HAZARD...Tornado and quarter 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. 

* Locations impacted include...
  Reynolds, Centerville, Corridon and Redford. 

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 3731 9116 3732 9118 3741 9118 3741 9121
      3744 9121 3752 9094 3732 9085 3730 9116
TIME...MOT...LOC 0014Z 246DEG 52KT 3737 9128 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Kanofsky

2 follow-up statements

338 
WWUS53 KLSX 010037
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
637 PM CST TUE FEB 28 2017

MOC179-010100-
/O.CON.KLSX.TO.W.0002.000000T0000Z-170301T0100Z/
Reynolds MO-
637 PM CST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR NORTH
CENTRAL REYNOLDS COUNTY...
    
At 637 PM CST, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Oates, moving northeast at 60 mph.

HAZARD...Tornado and quarter 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. 

Locations impacted include...
Centerville.

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 3739 9088 3737 9105 3747 9110 3752 9094
TIME...MOT...LOC 0037Z 246DEG 52KT 3751 9089 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Kanofsky

201 
WWUS53 KLSX 010044
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
644 PM CST TUE FEB 28 2017

MOC179-010054-
/O.CAN.KLSX.TO.W.0002.000000T0000Z-170301T0100Z/
Reynolds MO-
644 PM CST TUE FEB 28 2017

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

A tornado watch remains in effect until 900 PM CST for southeastern
Missouri.

LAT...LON 3739 9088 3737 9105 3747 9110 3752 9094
TIME...MOT...LOC 0043Z 246DEG 52KT 3755 9077 

$$

Kanofsky

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 6:16 PM CST	Severe Thunderstorm Warning	LSX	Iron, Reynolds	44 min
Feb 28, 6:56 PM CST	Tornado Warning	LSX	Iron, Madison, Reynolds, Saint Francois	34 min
Feb 28, 6:59 PM CST	Severe Thunderstorm Warning	LSX	Iron, Madison, Sainte Genevieve, Saint Francois	46 min
Feb 28, 7:30 PM CST	Tornado Warning	LSX	Madison, Sainte Genevieve, Saint Francois	19 min
Feb 28, 7:34 PM CST	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	17 min
Feb 28, 7:57 PM CST	Severe Thunderstorm Warning	LSX	Marion, Monroe, Shelby	48 min
Feb 28, 8:29 PM CST	Severe Thunderstorm Warning	LSX	Marion, Ralls	33 min
Feb 28, 8:37 PM CST	Tornado Warning	LSX	Marion, Ralls	27 min
Feb 28, 9:19 PM CST	Severe Thunderstorm Warning	LSX	Madison	17 min
Feb 28, 9:23 PM CST	Tornado Warning	LSX	Madison	11 min
Feb 28, 11:04 PM CST	Severe Thunderstorm Warning	LSX	Boone, Moniteau	41 min
Mar 1, 1:43 AM CST	Special Weather Statement	LSX	Crawford, Franklin, Washington	47 min
Mar 1, 1:56 AM CST	Special Weather Statement	LSX	Saint Louis, City of Saint Louis	34 min
Mar 1, 2:15 AM CST	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	34 min
Mar 1, 2:17 AM CST	Special Weather Statement	LSX	Iron, Sainte Genevieve, Saint Francois, Washington	43 min
Mar 1, 3:11 AM CST	Severe Thunderstorm Warning	LSX	Iron, Reynolds	36 min
Mar 1, 3:37 AM CST	Special Weather Statement	LSX	Madison	23 min

Nearby

Tornado Warnings in Missouri, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.