Alert archive / Mississippi / Tornado Warnings in 2016

Tornado Warning 28, NWS Memphis, TN

December 17, 2016Lafayette County, Marshall County, Mississippi

NWS Memphis, TN issued this tornado warning at Dec 17, 2016, 10:14 PM CST for Lafayette County, Marshall County, Mississippi. It was in force for 31 min. 2 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
Dec 17, 2016, 10:14 PM CST (04:14 UTC)
Expired
Dec 17, 2016, 10:45 PM CST
In force
31 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lafayette County, MS, Marshall County, MS

The radar

The Memphis radar (KNQA), 105 km from the middle of the area, began a volume at 04:13 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
Dec 17, 10:25 PM CSTTSTM WND DMG3 W Oxford, MSDOWNED POWER LINES ON THE WEST SIDE OF OXFORD, IN FRONT OF GOOSE CREEK TENNIS CLUB. POSSIBLE TORNADO. TIME IS RADAR ESTIMATED.
Dec 17, 10:25 PM CSTTSTM WND DMG3 W Oxford, MSDOWNED POWER LINES ON THE WEST SIDE OF OXFORD. POSSIBLE TORNADO. TIME IS RADAR ESTIMATED.

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
Dec 17, 8:58 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 4.2 hours before the alert went out and 62 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 00:00Z on 2016-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 00:00Z on 2016-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 395 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
43 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
395 m²/s²
0-3 km storm-relative helicity
525 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

320 
WFUS54 KMEG 180414
TORMEG
MSC071-093-180445-
/O.NEW.KMEG.TO.W.0028.161218T0414Z-161218T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1014 PM CST SAT DEC 17 2016

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northern Lafayette County in northwestern Mississippi...
  Southeastern Marshall County in northwestern Mississippi...

* Until 1045 PM CST

* At 1013 PM CST, Dopplar radar indicated a tornado near 8 miles
  west of Oxford, moving northeast at 70 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 storm will be near...
  Cambridge around 1025 PM CST. 
  Bethlehem around 1030 PM CST. 

Other locations impacted by this tornadic thunderstorm include Burt,
Abbeville, Keel, College Hill, Cornersville, College Hill Station and
Spraggins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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

&&

LAT...LON 3429 8972 3448 8972 3464 8930 3458 8930
      3458 8925 3450 8924 3438 8925
TIME...MOT...LOC 0413Z 233DEG 68KT 3442 8960 

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

$$
2 follow-up statements
530 
WWUS54 KMEG 180426
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1026 PM CST SAT DEC 17 2016

MSC071-093-180445-
/O.CON.KMEG.TO.W.0028.000000T0000Z-161218T0445Z/
Lafayette MS-Marshall MS-
1026 PM CST SAT DEC 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CST FOR
NORTHEASTERN LAFAYETTE AND SOUTHEASTERN MARSHALL COUNTIES...
    
At 1026 PM CST, a severe thunderstorm likely producing a tornado was
located over Bethlehem, or 9 miles southeast of Wall Doxey State
Park, moving northeast at 70 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
northeastern Lafayette and southeastern Marshall Counties, including
the following locations: Keel, Burt and Cornersville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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

&&

LAT...LON 3434 8946 3455 8947 3464 8930 3458 8930
      3458 8925 3450 8924 3438 8925
TIME...MOT...LOC 0426Z 233DEG 68KT 3457 8936 

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

$$
358 
WWUS54 KMEG 180440
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1040 PM CST SAT DEC 17 2016

MSC071-093-180450-
/O.EXP.KMEG.TO.W.0028.000000T0000Z-161218T0445Z/
Lafayette MS-Marshall MS-
1040 PM CST SAT DEC 17 2016

...THE TORNADO WARNING FOR NORTHEASTERN LAFAYETTE AND SOUTHEASTERN
MARSHALL COUNTIES WILL EXPIRE AT 1045 PM CST...
        
The storm which prompted the warning has exited the warned area.
Therefore, the warning will be allowed to expire.

A tornado watch remains in effect until 300 AM CST for northeastern
and northwestern Mississippi.

LAT...LON 3434 8946 3455 8947 3464 8930 3458 8930
      3458 8925 3450 8924 3438 8925
TIME...MOT...LOC 0440Z 233DEG 68KT 3470 8915 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 8:41 PM CSTSpecial Weather StatementMEGDeSoto, Tate, Tunica49 min
Dec 17, 8:54 PM CSTSevere Thunderstorm WarningMEGDeSoto, Marshall51 min
Dec 17, 8:58 PM CSTSevere Thunderstorm WarningMEGDeSoto, Panola, Tate, Tunica32 min
Dec 17, 9:07 PM CSTTornado WarningMEGDeSoto, Marshall, Tate23 min
Dec 17, 9:15 PM CSTTornado WarningMEGDeSoto, Marshall30 min
Dec 17, 9:30 PM CSTSevere Thunderstorm WarningMEGLafayette, Marshall, Panola, Tate45 min
Dec 17, 9:38 PM CSTSevere Thunderstorm WarningMEGBenton, Marshall, Tippah52 min
Dec 17, 9:43 PM CSTTornado WarningMEGBenton, Marshall, Tippah32 min
Dec 17, 9:57 PM CSTTornado WarningMEGBenton, Lafayette, Marshall, Panola, Tate33 min
Dec 17, 10:33 PM CSTSevere Thunderstorm WarningMEGAlcorn, Tishomingo42 min
Dec 17, 10:36 PM CSTSevere Thunderstorm WarningMEGAlcorn, Benton, Prentiss, Tippah, Union24 min
Dec 17, 10:51 PM CSTTornado WarningMEGPrentiss, Tippah, Union24 min
Dec 17, 10:55 PM CSTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tishomingo50 min
Dec 17, 10:56 PM CSTTornado Warning Tornado observedMEGAlcorn, Tishomingo34 min
Dec 17, 11:05 PM CSTSevere Thunderstorm WarningMEGLee, Pontotoc, Prentiss, Union40 min
Dec 17, 11:07 PM CSTTornado WarningMEGAlcorn, Prentiss, Tishomingo38 min
Dec 17, 11:25 PM CSTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Lafayette, Lee, Pontotoc, Yalobusha65 min
Dec 17, 11:38 PM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc, Prentiss, Tishomingo, Union67 min
Dec 18, 12:03 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee, Tishomingo42 min
Dec 18, 12:27 AM CSTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe63 min
Dec 18, 12:41 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee49 min
Dec 18, 12:42 AM CSTSevere Thunderstorm WarningMEGItawamba, Lee48 min
Dec 18, 1:25 AM CSTSevere Thunderstorm WarningMEGItawamba, Monroe39 min

Nearby

Tornado Warnings in Mississippi, 2016Every tornado warning in 2016Tornadoes 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.