Alert archive / Mississippi / Tornado Warnings in 2009

Tornado Warning 9, NWS Memphis, TN

April 10, 2009Prentiss County, Tishomingo County, Mississippi

NWS Memphis, TN issued this tornado warning at Apr 10, 2009, 12:28 PM CDT for Prentiss County, Tishomingo County, Mississippi. It was in force for 24 min. 1 report 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
Apr 10, 2009, 12:28 PM CDT (17:28 UTC)
Expired
Apr 10, 2009, 12:52 PM CDT
In force
24 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Prentiss County, MS, Tishomingo County, MS

The radar

The Columbus AFB radar (KGWX), 93 km from the middle of the area, began a volume at 17:31 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

TimeReportWhereRemark
Apr 10, 12:38 PM CDTTSTM WND DMG4 S Midway, MSTREES AND POWERLINES DOWN ON SEVERAL COUNTY ROADS AND HIGHWAYS BETWEEN MIDWAY AND TISHOMINGO.

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.

IssuedProductOfficeLasted
Apr 10, 8:53 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 5.5 hours before the alert went out and 158 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, Little Rock, AR at 12:00Z on 2009-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 joules per kilogram.LCLLFCEL10008507005003002001001 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, Little Rock, AR at 12:00Z on 2009-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897117Sfc1 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
106 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1192 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 101728
TORMEG
MSC117-141-101815-
/O.NEW.KMEG.TO.W.0009.090410T1728Z-090410T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1228 PM CDT FRI APR 10 2009

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  CENTRAL TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...

* UNTIL 115 PM CDT

* AT 1227 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR   
THRASHERS...OR 8 MILES EAST OF BOONEVILLE...MOVING EAST AT 50 MPH. 
THE TORNADO WAS REPORTED ON HWY 30 EAST OF BOONEVILLE.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BURTON...TISHOMINGO...TISHOMINGO STATE PARK...MIDWAY AND IUKA. THIS
  WARNING ALSO INCLUDES BAY SPRINGS LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

.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 3481 8810 3462 8812 3452 8850 3469 8858
      3485 8810 3481 8809
TIME...MOT...LOC 1727Z 250DEG 43KT 3463 8844

$$
3 follow-up statements
000 
WWUS54 KMEG 101738
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1238 PM CDT FRI APR 10 2009

MSC117-101748-
/O.CAN.KMEG.TO.W.0009.000000T0000Z-090410T1815Z/
PRENTISS MS-
1238 PM CDT FRI APR 10 2009

...THE TORNADO WARNING FOR EASTERN PRENTISS COUNTY IS CANCELLED...

AT 1238 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

LAT...LON 3481 8810 3462 8812 3457 8832 3475 8832
      3485 8810 3482 8809
TIME...MOT...LOC 1738Z 250DEG 43KT 3468 8828

$$

MSC141-101815-
/O.CON.KMEG.TO.W.0009.000000T0000Z-090410T1815Z/
TISHOMINGO MS-
1238 PM CDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR CENTRAL
TISHOMINGO COUNTY...

AT 1237 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PADEN...OR 8 MILES
NORTHWEST OF TISHOMINGO STATE PARK...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TISHOMINGO...MIDWAY...CARTER BRANCH...MINGO...PETERTOWN...BLYTHE
CROSSING AND OLDHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3481 8810 3462 8812 3457 8832 3475 8832
      3485 8810 3482 8809
TIME...MOT...LOC 1738Z 250DEG 43KT 3468 8828

$$
000 
WWUS54 KMEG 101745
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1245 PM CDT FRI APR 10 2009

MSC141-101815-
/O.CON.KMEG.TO.W.0009.000000T0000Z-090410T1815Z/
TISHOMINGO MS-
1245 PM CDT FRI APR 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR CENTRAL
TISHOMINGO COUNTY...

AT 1244 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CARTER BRANCH...OR
NEAR TISHOMINGO STATE PARK...MOVING EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PETERTOWN...BLYTHE CROSSING AND OLDHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3481 8810 3462 8812 3459 8825 3476 8827
      3485 8810 3482 8809
TIME...MOT...LOC 1745Z 259DEG 31KT 3467 8817

$$
000 
WWUS54 KMEG 101752 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1252 PM CDT FRI APR 10 2009

MSC141-101802-
/O.CAN.KMEG.TO.W.0009.000000T0000Z-090410T1815Z/
TISHOMINGO MS-
1252 PM CDT FRI APR 10 2009

...THE TORNADO WARNING FOR CENTRAL TISHOMINGO COUNTY IS CANCELLED...

AT 1252 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3481 8810 3462 8812 3459 8825 3476 8827
      3485 8810 3482 8809
TIME...MOT...LOC 1752Z 259DEG 31KT 3468 8810

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 1:02 AM CDTSevere Thunderstorm WarningMEGBenton, Lafayette, Marshall, Panola, Tate, Union58 min
Apr 10, 1:36 AM CDTSevere Thunderstorm WarningMEGAlcorn, Benton, Prentiss, Tippah, Union54 min
Apr 10, 1:42 AM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw63 min
Apr 10, 2:33 AM CDTSevere Thunderstorm WarningMEGMonroe57 min
Apr 10, 3:25 AM CDTSevere Thunderstorm WarningMEGMonroe23 min
Apr 10, 9:49 AM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall41 min
Apr 10, 10:27 AM CDTSevere Thunderstorm WarningMEGBenton48 min
Apr 10, 11:16 AM CDTSevere Thunderstorm WarningMEGAlcorn, Tippah44 min
Apr 10, 11:30 AM CDTSevere Thunderstorm WarningMEGCalhoun, Lafayette, Pontotoc, Union, Yalobusha60 min
Apr 10, 11:40 AM CDTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tishomingo50 min
Apr 10, 11:46 AM CDTSevere Thunderstorm WarningMEGLee, Prentiss, Union44 min
Apr 10, 11:47 AM CDTTornado WarningMEGAlcorn, Tishomingo43 min
Apr 10, 12:09 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss, Tishomingo66 min
Apr 10, 12:25 PM CDTSevere Thunderstorm WarningMEGPrentiss, Tishomingo28 min
Apr 10, 12:28 PM CDTTornado WarningMEGItawamba, Lee, Prentiss, Tishomingo35 min
Apr 10, 1:07 PM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe47 min
Apr 10, 1:13 PM CDTWind AdvisoryMEGAlcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more6 hr

Nearby

Tornado Warnings in Mississippi, 2009Every tornado warning in 2009Tornadoes 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; radar from the NEXRAD Level II archive.