Alert archive / Mississippi / Tornado Warnings in 2015

Tornado Warning 48, NWS Jackson, MS

December 27, 2015Copiah County, Mississippi

NWS Jackson, MS issued this tornado warning at Dec 27, 2015, 2:55 PM CST for Copiah County, Mississippi. It was in force for 35 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 27, 2015, 2:55 PM CST (20:55 UTC)
Expired: Dec 27, 2015, 3:30 PM CST
In force: 35 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Copiah County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 69 km from the middle of the area, began a volume at 20:55 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 27, 3:00 PM CST	FUNNEL CLOUD	Wesson, MS

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

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.9 hours before the alert went out and 68 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: 576 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

522 
WFUS54 KJAN 272055
TORJAN
MSC029-272130-
/O.NEW.KJAN.TO.W.0048.151227T2055Z-151227T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
255 PM CST SUN DEC 27 2015

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL COPIAH COUNTY IN CENTRAL MISSISSIPPI...

* UNTIL 330 PM CST
    
* AT 255 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WESSON...OR 9 MILES SOUTH OF HAZLEHURST...
  MOVING NORTH AT 35 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...
  MARTINSVILLE AROUND 300 PM CST.
  GLANCY AROUND 305 PM CST.
  HAZLEHURST AROUND 310 PM CST.
  CRYSTAL SPRINGS AND GALLMAN AROUND 320 PM CST.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
BEAUREGARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT 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 3170 9042 3170 9057 3204 9050 3205 9024
      3170 9035 3170 9038 3169 9038 3169 9041
TIME...MOT...LOC 2055Z 194DEG 32KT 3174 9045 

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

$$

SW

1 follow-up statement

689 
WWUS54 KJAN 272119
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
319 PM CST SUN DEC 27 2015

MSC029-272130-
/O.CON.KJAN.TO.W.0048.000000T0000Z-151227T2130Z/
COPIAH MS-
319 PM CST SUN DEC 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR CENTRAL
COPIAH COUNTY...
    
AT 318 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER HAZLEHURST...MOVING NORTHEAST AT 25 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...
  GALLMAN AROUND 325 PM CST.
  CRYSTAL SPRINGS AROUND 330 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT 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 3176 9033 3184 9051 3204 9045 3205 9033
      3202 9025
TIME...MOT...LOC 2118Z 205DEG 24KT 3187 9038 

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

$$

GRG

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 27, 7:37 AM CST	Areal Flood Warning	JAN	Lowndes	24 hr
Dec 27, 9:44 AM CST	River Flood Warning	JAN	Clay, Lowndes	51 hr
Dec 27, 2:48 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	42 min
Dec 27, 3:38 PM CST	Wind Advisory	JAN	Bolivar, Carroll, Claiborne, Copiah, Grenada, Hinds and 11 more	16 hr
Dec 27, 4:07 PM CST	Special Weather Statement	JAN	Lincoln	38 min

Nearby

Tornado Warnings in Mississippi, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.