Alert archive / Mississippi / Tornado Warnings in 2016

Tornado Warning 27, NWS Memphis, TN

December 17, 20165 counties in Mississippi

NWS Memphis, TN issued this tornado warning at Dec 17, 2016, 9:57 PM CST for 5 counties in Mississippi. It was in force for 33 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: Dec 17, 2016, 9:57 PM CST (03:57 UTC)
Expired: Dec 17, 2016, 10:30 PM CST
In force: 33 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Benton County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Tate County, MS

The radar

The Memphis radar (KNQA), 84 km from the middle of the area, began a volume at 03:57 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
Dec 17, 10:02 PM CST	TORNADO	2 Wnw Holly Springs, MS	TORNADO REPORTED ON THE GROUND BY MARSHALL COUNTY FD DISPATCH.

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
Dec 17, 8:58 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 4.0 hours before the alert went out and 41 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: 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.

164 
WFUS54 KMEG 180357
TORMEG
MSC009-071-093-107-137-180430-
/O.NEW.KMEG.TO.W.0027.161218T0357Z-161218T0430Z/

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

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Northwestern Lafayette County in northwestern Mississippi...
  Marshall County in northwestern Mississippi...
  Western Benton County in northeastern Mississippi...
  Southeastern Tate County in northwestern Mississippi...
  Northeastern Panola County in northwestern Mississippi...

* Until 1030 PM CST
    
* At 957 PM CST, a severe thunderstorm producing a tornado was
  located over Marianna, or 8 miles west 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 dangerous storm will be near...
  Wall Doxey State Park around 1000 PM CST. 
  Holly Springs around 1005 PM CST. 
  Lamar around 1015 PM CST. 

Other locations impacted by this tornadic thunderstorm include Mahon,
Glenville, Potts Camp, Blackwater, Waites, Hayes Crossing, Teckville,
Lake Center, Aiken and Waterford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.

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.

&&

LAT...LON 3443 8985 3474 8970 3496 8925 3456 8925
TIME...MOT...LOC 0357Z 230DEG 78KT 3468 8961 

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

$$

2 follow-up statements

620 
WWUS54 KMEG 180402
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1002 PM CST SAT DEC 17 2016

MSC071-107-137-180412-
/O.CAN.KMEG.TO.W.0027.000000T0000Z-161218T0430Z/
Lafayette MS-Tate MS-Panola MS-
1002 PM CST SAT DEC 17 2016

...THE TORNADO WARNING FOR NORTHWESTERN LAFAYETTE...SOUTHEASTERN TATE
AND NORTHEASTERN PANOLA COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3453 8944 3453 8946 3455 8948 3455 8967
      3469 8967 3469 8972 3470 8972 3474 8970
      3496 8925 3456 8925 3452 8944
TIME...MOT...LOC 0402Z 230DEG 78KT 3476 8950 

$$

MSC009-093-180430-
/O.CON.KMEG.TO.W.0027.000000T0000Z-161218T0430Z/
Marshall MS-Benton MS-
1002 PM CST SAT DEC 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CST FOR MARSHALL
AND WESTERN BENTON COUNTIES...

At 1002 PM CST, a severe squall line producing both tornadoes and
extensive straight line wind damage was located near Holly Springs,
moving northeast at 90 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. 

These dangerous storms will be near...
  Lamar around 1015 PM CST. 

Other locations impacted by this tornadic thunderstorm include Mahon,
Potts Camp, Waites, Lake Center, Waterford, Malone, Hudsonville,
Spraggins, Winborn and Gilton.

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.

&&

LAT...LON 3453 8944 3453 8946 3455 8948 3455 8967
      3469 8967 3469 8972 3470 8972 3474 8970
      3496 8925 3456 8925 3452 8944
TIME...MOT...LOC 0402Z 230DEG 78KT 3476 8950 

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

$$

170 
WWUS54 KMEG 180408
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1008 PM CST SAT DEC 17 2016

MSC009-093-180430-
/O.CON.KMEG.TO.W.0027.000000T0000Z-161218T0430Z/
Marshall MS-Benton MS-
1008 PM CST SAT DEC 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CST FOR MARSHALL
AND WESTERN BENTON COUNTIES...

At 1002 PM CST, Holly Springs Fire Department reported a tornado on
the ground along Interstate 22 just northwest of Holly Springs.
located over Holly Springs, moving northeast at 70 mph. This is a
potentially dangerous situation. Please take shelter immediately if
driving along Interstate 22 near Holly Springs. 

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 tornado will be near...
  Lamar around 1010 PM CST. 

Other locations impacted by this tornadic thunderstorm include Mahon,
Potts Camp, Waites, Lake Center, Waterford, Malone, Hudsonville,
Spraggins, Winborn and Gilton.

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!

&&

LAT...LON 3453 8944 3453 8946 3455 8948 3455 8967
      3469 8967 3469 8972 3470 8972 3474 8970
      3496 8925 3456 8925 3452 8944
TIME...MOT...LOC 0405Z 230DEG 78KT 3481 8943 

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 17, 8:41 PM CST	Special Weather Statement	MEG	DeSoto, Tate, Tunica	49 min
Dec 17, 8:54 PM CST	Severe Thunderstorm Warning	MEG	DeSoto, Marshall	51 min
Dec 17, 8:58 PM CST	Severe Thunderstorm Warning	MEG	DeSoto, Panola, Tate, Tunica	32 min
Dec 17, 9:07 PM CST	Tornado Warning	MEG	DeSoto, Marshall, Tate	23 min
Dec 17, 9:15 PM CST	Tornado Warning	MEG	DeSoto, Marshall	30 min
Dec 17, 9:30 PM CST	Severe Thunderstorm Warning	MEG	Lafayette, Marshall, Panola, Tate	45 min
Dec 17, 9:38 PM CST	Severe Thunderstorm Warning	MEG	Benton, Marshall, Tippah	52 min
Dec 17, 9:43 PM CST	Tornado Warning	MEG	Benton, Marshall, Tippah	32 min
Dec 17, 10:14 PM CST	Tornado Warning	MEG	Lafayette, Marshall	31 min
Dec 17, 10:33 PM CST	Severe Thunderstorm Warning	MEG	Alcorn, Tishomingo	42 min
Dec 17, 10:36 PM CST	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Prentiss, Tippah, Union	24 min
Dec 17, 10:51 PM CST	Tornado Warning	MEG	Prentiss, Tippah, Union	24 min
Dec 17, 10:55 PM CST	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tishomingo	50 min
Dec 17, 10:56 PM CST	Tornado Warning Tornado observed	MEG	Alcorn, Tishomingo	34 min
Dec 17, 11:05 PM CST	Severe Thunderstorm Warning	MEG	Lee, Pontotoc, Prentiss, Union	40 min
Dec 17, 11:07 PM CST	Tornado Warning	MEG	Alcorn, Prentiss, Tishomingo	38 min
Dec 17, 11:25 PM CST	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Pontotoc, Yalobusha	65 min
Dec 17, 11:38 PM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Pontotoc, Prentiss, Tishomingo, Union	67 min
Dec 18, 12:03 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Tishomingo	42 min
Dec 18, 12:27 AM CST	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Monroe	63 min
Dec 18, 12:41 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee	49 min
Dec 18, 12:42 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee	48 min
Dec 18, 1:25 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Monroe	39 min

Nearby

Tornado Warnings in Mississippi, 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.