Alert archive / Missouri / Tornado Warnings in 2009

Tornado Warning 45, NWS St. Louis, MO

June 15, 2009Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 15, 2009, 12:05 PM CDT for Reynolds County, Missouri. It was in force for 25 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 15, 2009, 12:05 PM CDT (17:05 UTC)
Expired: Jun 15, 2009, 12:30 PM CDT
In force: 25 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 17:08 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
Jun 15, 10:34 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.1 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: 2332 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 647 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 281 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 18.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KLSX 151705
TORLSX
MOC179-151730-
/O.NEW.KLSX.TO.W.0045.090615T1705Z-090615T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1205 PM CDT MON JUN 15 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN REYNOLDS COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 1230 PM CDT

* AT 1206 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES NORTHWEST OF BUNKER...OR 16 MILES
  SOUTHEAST OF SALEM...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BUNKER...OATES...REYNOLDS...CENTERVILLE...CORRIDON...BLACK...
  LESTERVILLE AND REDFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES
OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF
NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

&&

LAT...LON 3743 9123 3750 9123 3750 9130 3751 9132
      3759 9133 3760 9132 3759 9110 3760 9106
      3754 9078 3728 9080
TIME...MOT...LOC 1706Z 290DEG 25KT 3755 9126

$$

GLASS

1 follow-up statement

000 
WWUS53 KLSX 151723
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1223 PM CDT MON JUN 15 2009

MOC179-151730-
/O.CON.KLSX.TO.W.0045.000000T0000Z-090615T1730Z/
REYNOLDS MO-
1223 PM CDT MON JUN 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR NORTHERN
REYNOLDS COUNTY...

AT 1222 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BUNKER...OR 24
MILES SOUTHEAST OF SALEM...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  OATES...REYNOLDS...CORRIDON...CENTERVILLE...BLACK...LESTERVILLE AND
  REDFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES
OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF
NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

&&

LAT...LON 3743 9123 3750 9123 3750 9130 3751 9132
      3759 9133 3760 9132 3759 9110 3760 9106
      3754 9078 3728 9080
TIME...MOT...LOC 1724Z 293DEG 24KT 3748 9112

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 6:07 AM CDT	Flash Flood Warning	LSX	Callaway	6 hr
Jun 15, 7:41 AM CDT	Flash Flood Warning	LSX	Montgomery, Warren	6 hr
Jun 15, 8:28 AM CDT	Areal Flood Advisory	LSX	Boone	6 hr
Jun 15, 8:54 AM CDT	Areal Flood Advisory	LSX	Franklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis	4 hr
Jun 15, 9:03 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Iron, Reynolds	42 min
Jun 15, 9:09 AM CDT	Flash Flood Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis	6 hr
Jun 15, 9:44 AM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds, Saint Francois	46 min
Jun 15, 10:25 AM CDT	Severe Thunderstorm Warning	LSX	Iron, Madison	50 min
Jun 15, 11:25 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Iron, Washington	50 min
Jun 15, 12:03 PM CDT	Areal Flood Advisory	LSX	Crawford	6 hr
Jun 15, 12:27 PM CDT	Tornado Warning	LSX	Reynolds	33 min
Jun 15, 12:55 PM CDT	Tornado Warning	LSX	Iron, Reynolds	50 min
Jun 15, 3:01 PM CDT	Areal Flood Warning	LSX	Saint Charles, Saint Louis	4 hr
Jun 15, 3:42 PM CDT	Flash Flood Watch	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more	20 hr
Jun 15, 5:53 PM CDT	River Flood Warning	LSX	Reynolds	51 hr
Jun 15, 6:39 PM CDT	Areal Flood Warning	LSX	Saint Charles	6 hr

Nearby

Tornado Warnings in Missouri, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.