Alert archive / Missouri / Tornado Warnings in 2016

Tornado Warning 11, NWS St. Louis, MO

September 16, 2016Sainte Genevieve County, Missouri; Randolph County, Illinois

NWS St. Louis, MO issued this tornado warning at Sep 16, 2016, 3:30 PM CDT for Sainte Genevieve County, Missouri; Randolph County, Illinois. It was in force for 30 min. 3 reports 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: Sep 16, 2016, 3:30 PM CDT (20:30 UTC)
Expired: Sep 16, 2016, 4:00 PM CDT
In force: 30 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Randolph County, IL, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 96 km from the middle of the area, began a volume at 20:32 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
Sep 16, 3:37 PM CDT	FUNNEL CLOUD	2 Sw Ste. Genevieve, MO	SPOTTER WAS AT EXIT 150 ON INTERSTATE 55. NWS STORM SURVEY REVEALED NO TORNADIC DAMAGE IN AREA.
Sep 16, 3:37 PM CDT	TORNADO	2 Sw Ste. Genevieve, MO	POSSIBLE BRIEF TOUCHDOWN. SPOTTER WAS AT EXIT 150 ON INTERSTATE 55.
Sep 16, 3:37 PM CDT	TORNADO	2 Sw Ste. Genevieve, MO	POSSIBLE BRIEF TOUCHDOWN. SPOTTER WAS AT EXIT 50 ON INTERSTATE 55.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.5 hours before the alert went out and 271 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: 408 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

As transmitted.

130 
WFUS53 KLSX 162030
TORLSX
ILC157-MOC186-162100-
/O.NEW.KLSX.TO.W.0011.160916T2030Z-160916T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
330 PM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL RANDOLPH COUNTY IN SOUTHWESTERN ILLINOIS...
  NORTHEASTERN STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...

* UNTIL 400 PM CDT.

* AT 330 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR STE. GENEVIEVE...MOVING NORTHEAST AT 10
  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...
  STE. GENEVIEVE AROUND 350 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
ROOTS... MODOC...KELLOGG AND ELLIS GROVE.

THIS ALSO INCLUDES  FELIX VALLE HOUSE STATE PARK.
 
THIS INCLUDES INTERSTATE 55 IN MISSOURI NEAR EXIT 150.
 
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 3792 9013 3800 9017 3813 8998 3798 8990
TIME...MOT...LOC 2030Z 231DEG 10KT 3797 9013 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CARNEY

1 follow-up statement

026 
WWUS53 KLSX 162049
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
349 PM CDT FRI SEP 16 2016

ILC157-MOC186-162100-
/O.CON.KLSX.TO.W.0011.000000T0000Z-160916T2100Z/
RANDOLPH IL-STE. GENEVIEVE MO-
349 PM CDT FRI SEP 16 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR WEST
CENTRAL RANDOLPH AND NORTHEASTERN STE. GENEVIEVE COUNTIES...
    
AT 347 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER STE. GENEVIEVE...MOVING NORTHEAST AT 15 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. AT 337 PM A POSSIBLE BRIEF
         TORNADO TOUCHDOWN WAS REPORTED 2 MILES SOUTHWEST OF SAINT
         GENEVIEVE MISSOURI. THIS STORM IS STILL POTENTIALLY
         DANGEROUS.  SEEK SHELTER NOW! 

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
WEST CENTRAL RANDOLPH AND NORTHEASTERN STE. GENEVIEVE COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS: ROOTS...MODOC...KELLOGG AND ELLIS
GROVE.

THIS ALSO INCLUDES  FELIX VALLE HOUSE STATE PARK.
 
THIS INCLUDES INTERSTATE 55 IN MISSOURI NEAR EXIT 150.
 
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 3792 9013 3800 9017 3813 8998 3798 8990
TIME...MOT...LOC 2047Z 241DEG 15KT 3800 9004 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CARNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 7:55 PM CDT	Special Weather Statement	LSX	Monroe	50 min
Sep 15, 8:25 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Monroe, Ralls	21 min
Sep 16, 8:51 AM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	3 hr
Sep 16, 4:25 PM CDT	Areal Flood Advisory	LSX	Jefferson, Sainte Genevieve, Saint Francois	6 hr
Sep 16, 5:00 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	30 min
Sep 16, 9:26 AM CDT	Areal Flood Advisory	LSX	Bond, Madison	4 hr
Sep 16, 12:04 PM CDT	Areal Flood Advisory	LSX	Macoupin	4 hr
Sep 16, 2:27 PM CDT	Special Weather Statement	LSX	Monroe	48 min
Sep 16, 3:07 PM CDT	Special Weather Statement	LSX	Randolph	38 min
Sep 16, 3:13 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	47 min
Sep 16, 3:57 PM CDT	Tornado Warning	LSX	Randolph	33 min
Sep 16, 5:07 PM CDT	Tornado Warning	LSX	Randolph	38 min

Nearby

Tornado Warnings in Missouri, 2016 Tornado Warnings in Illinois, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.