Alert archive / Missouri / Tornado Warnings in 2019

Tornado Warning 49, NWS St. Louis, MO

November 26, 2019Saint Francois County, Washington County, Missouri

NWS St. Louis, MO issued this tornado warning at Nov 26, 2019, 9:51 PM CST for Saint Francois County, Washington County, Missouri. It was in force for 24 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
Nov 26, 2019, 9:51 PM CST (03:51 UTC)
Expired
Nov 26, 2019, 10:15 PM CST
In force
24 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Saint Francois County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 03:55 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
Nov 26, 6:20 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.9 hours before the alert went out and 300 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 2019-11-27Temperature 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 00:00Z on 2019-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 417 square meters per square second.1939587897117136Sfc1 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
596 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
417 m²/s²
0-3 km storm-relative helicity
467 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

754 
WFUS53 KLSX 270351
TORLSX
MOC187-221-270415-
/O.NEW.KLSX.TO.W.0049.191127T0351Z-191127T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
951 PM CST Tue Nov 26 2019

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Washington County in east central Missouri...
  Northwestern St. Francois County in southeastern Missouri...

* Until 1015 PM CST.
    
* At 950 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Irondale, moving northeast at 50 mph.

  HAZARD...Tornado.

  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...
  Irondale and Mineral Point around 955 PM CST.
  Leadwood around 1000 PM CST.
  Desloge around 1005 PM CST.
  Bonne Terre around 1010 PM CST.

Other locations impacted by this tornadic thunderstorm include French
Village and Frankclay.

This also includes St. Francois State Park.
 
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 3788 9083 3802 9062 3800 9060 3800 9058
      3804 9042 3798 9032 3790 9043 3779 9079
TIME...MOT...LOC 0350Z 236DEG 42KT 3786 9075 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Carney
2 follow-up statements
045 
WWUS53 KLSX 270406 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1006 PM CST Tue Nov 26 2019

MOC221-270416-
/O.CAN.KLSX.TO.W.0049.000000T0000Z-191127T0415Z/
Washington MO-
1006 PM CST Tue Nov 26 2019

...THE TORNADO WARNING FOR SOUTHEASTERN WASHINGTON COUNTY IS
CANCELLED...
    
The tornadic 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 midnight CST for southeastern
and east central Missouri.

LAT...LON 3800 9064 3802 9062 3800 9060 3800 9058
      3804 9042 3798 9032 3790 9043 3784 9064
TIME...MOT...LOC 0406Z 244DEG 48KT 3800 9048 

$$

MOC187-270415-
/O.CON.KLSX.TO.W.0049.000000T0000Z-191127T0415Z/
St. Francois MO-
1006 PM CST Tue Nov 26 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CST FOR
NORTHWESTERN ST. FRANCOIS COUNTY...
    
At 1006 PM CST, a severe thunderstorm capable of producing a tornado
was located near Bonne Terre, moving northeast at 55 mph.

HAZARD...Tornado.

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
northwestern St. Francois County, including the following
locations... French Village and Frankclay.

This also includes St. Francois State Park.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3800 9064 3802 9062 3800 9060 3800 9058
      3804 9042 3798 9032 3790 9043 3784 9064
TIME...MOT...LOC 0406Z 244DEG 48KT 3800 9048 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Carney
300 
WWUS53 KLSX 270416
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1016 PM CST Tue Nov 26 2019

MOC187-270426-
/O.EXP.KLSX.TO.W.0049.000000T0000Z-191127T0415Z/
St. Francois MO-
1016 PM CST Tue Nov 26 2019

...THE TORNADO WARNING FOR NORTHWESTERN ST. FRANCOIS COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until midnight CST for southeastern
and east central Missouri.

LAT...LON 3800 9064 3802 9062 3800 9060 3800 9058
      3804 9042 3798 9032 3790 9043 3784 9064
TIME...MOT...LOC 0416Z 236DEG 42KT 3806 9037 

$$

Carney

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 26, 8:59 PM CSTSpecial Weather StatementLSXAudrain31 min
Nov 26, 9:08 PM CSTSpecial Weather StatementLSXLincoln52 min
Nov 26, 9:36 PM CSTSpecial Weather StatementLSXMonroe24 min
Nov 26, 9:56 PM CSTSevere Thunderstorm WarningLSXAudrain, Marion, Monroe, Ralls49 min
Nov 26, 9:58 PM CSTSevere Thunderstorm WarningLSXIron, Madison, Reynolds, Saint Francois32 min
Nov 26, 11:01 PM CSTSevere Thunderstorm WarningLSXSainte Genevieve29 min

Nearby

Tornado Warnings in Missouri, 2019Every tornado warning in 2019Tornadoes in 2019

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.