Alert archive / Missouri / Tornado Warnings in 2009

Tornado Warning 39, NWS Memphis, TN

June 15, 2009Pemiscot County, Missouri; Mississippi County, Arkansas

NWS Memphis, TN issued this tornado warning at Jun 15, 2009, 2:15 PM CDT for Pemiscot County, Missouri; Mississippi County, Arkansas. It was in force for 45 min. 6 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: Jun 15, 2009, 2:15 PM CDT (19:15 UTC)
Expired: Jun 15, 2009, 3:00 PM CDT
In force: 45 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Mississippi County, AR, Pemiscot County, MO

What was reported inside it

Time	Report	Where
Jun 15, 2:25 PM CDT	TSTM WND GST 60	Steele, MO
Jun 15, 2:25 PM CDT	HAIL 1.75	1 Se Denton, MO
Jun 15, 2:25 PM CDT	HAIL 1.75	Steele, MO
Jun 15, 2:30 PM CDT	HAIL 1.5	1 Sse Steele, MO
Jun 15, 2:33 PM CDT	HAIL 1	Cooter, MO
Jun 15, 2:34 PM CDT	HAIL 1.75	Cooter, MO

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

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

Little Rock, AR (KLZK), launched 12:00Z, 7.3 hours before the alert went out and 139 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: 3093 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 151915
TORMEG
ARC093-MOC155-152000-
/O.NEW.KMEG.TO.W.0039.090615T1915Z-090615T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
215 PM CDT MON JUN 15 2009

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHEASTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  SOUTHERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 300 PM CDT

* AT 215 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR STEELE...MOVING EAST
  AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  INCLUDE COOTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER 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.

&&

LAT...LON 3616 8966 3598 8973 3599 8996 3600 8996
      3619 8995
TIME...MOT...LOC 1915Z 278DEG 14KT 3606 8992

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 1:52 PM CDT	Severe Thunderstorm Warning	MEG	Dunklin, Pemiscot	53 min
Jun 15, 2:33 PM CDT	Tornado Warning	MEG	Dunklin	42 min
Jun 15, 2:42 PM CDT	Tornado Warning	MEG	Pemiscot	48 min
Jun 15, 3:07 PM CDT	Areal Flood Advisory	MEG	Dunklin, Pemiscot	3 hr
Jun 15, 3:14 PM CDT	Tornado Warning	MEG	Dunklin, Pemiscot	46 min
Jun 15, 3:17 PM CDT	Severe Thunderstorm Warning	MEG	Dunklin	43 min
Jun 15, 3:48 PM CDT	Flash Flood Warning	MEG	Dunklin, Pemiscot	3 hr
Jun 15, 3:50 PM CDT	Severe Thunderstorm Warning	MEG	Dunklin, Pemiscot	55 min
Jun 15, 3:56 PM CDT	Severe Thunderstorm Warning	MEG	Dunklin, Pemiscot	49 min
Jun 15, 4:42 PM CDT	Severe Thunderstorm Warning	MEG	Dunklin, Pemiscot	48 min
Jun 15, 1:35 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene, Randolph	40 min
Jun 15, 2:15 PM CDT	Tornado Warning	MEG	Clay, Greene	45 min
Jun 15, 2:21 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	39 min
Jun 15, 2:29 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	46 min
Jun 15, 2:55 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Randolph	50 min
Jun 15, 3:45 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene, Lawrence, Randolph	30 min
Jun 15, 4:21 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Craighead, Greene, Lawrence, Randolph	39 min
Jun 15, 4:27 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	48 min
Jun 15, 4:45 PM CDT	Flash Flood Warning	MEG	Craighead, Greene, Lawrence, Mississippi	2 hr
Jun 15, 4:56 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	19 min
Jun 15, 5:10 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	50 min
Jun 15, 5:13 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	47 min
Jun 15, 5:27 PM CDT	Flash Flood Warning	MEG	Craighead, Mississippi, Poinsett	97 min
Jun 15, 5:37 PM CDT	Flash Flood Warning	MEG	Crittenden, Cross	87 min
Jun 15, 5:39 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	36 min

Nearby

Tornado Warnings in Missouri, 2009 Tornado Warnings in Arkansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.