Alert archive / Mississippi / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 430, NWS Jackson, MS

November 16, 2014Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 16, 2014, 10:16 PM CST for Jones County, Mississippi. It was in force for 34 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: Nov 16, 2014, 10:16 PM CST (04:16 UTC)
Expired: Nov 16, 2014, 10:50 PM CST
In force: 34 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 104 km from the middle of the area, began a volume at 04:18 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
Nov 16, 10:35 PM CST	TSTM WND DMG	Sandersville, MS	TREE AND POWER LINE DOWN

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
Nov 16, 9:49 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.3 hours before the alert went out and 114 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: 10 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 451 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

559 
WUUS54 KJAN 170416
SVRJAN
MSC067-170500-
/O.NEW.KJAN.SV.W.0430.141117T0416Z-141117T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1016 PM CST SUN NOV 16 2014

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 1100 PM CST

* AT 1016 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  ELLISVILLE...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SANDERSVILLE AND MILL CREEK AROUND 1035 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED...
ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3154 8923 3169 8934 3181 8913 3182 8894
      3168 8893
TIME...MOT...LOC 0416Z 238DEG 33KT 3166 8919

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH

$$

CME

2 follow-up statements

657 
WWUS54 KJAN 170420
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1020 PM CST SUN NOV 16 2014

MSC067-170500-
/O.CON.KJAN.SV.W.0430.000000T0000Z-141117T0500Z/
JONES MS-
1020 PM CST SUN NOV 16 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
JONES COUNTY UNTIL 1100 PM CST...

AT 1020 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAUREL...AND
MOVING NORTHEAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SANDERSVILLE AND MILL CREEK AROUND 1030 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED...
ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3159 8914 3172 8926 3181 8913 3182 8894
      3168 8893
TIME...MOT...LOC 0420Z 241DEG 40KT 3168 8913

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH

$$

CME

498 
WWUS54 KJAN 170450
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1050 PM CST SUN NOV 16 2014

MSC067-170500-
/O.CAN.KJAN.SV.W.0430.000000T0000Z-141117T0500Z/
JONES MS-
1050 PM CST SUN NOV 16 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JONES COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 3159 8914 3172 8926 3181 8913 3182 8894
      3168 8893
TIME...MOT...LOC 0450Z 241DEG 40KT 3183 8878

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 6:51 PM CST	Special Weather Statement	JAN	Marion	24 min
Nov 16, 7:03 PM CST	Special Weather Statement	JAN	Covington	32 min
Nov 16, 7:12 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	34 min
Nov 16, 7:33 PM CST	Tornado Warning	JAN	Covington, Jones	57 min
Nov 16, 10:09 PM CST	Special Weather Statement	JAN	Jones	31 min
Nov 16, 10:28 PM CST	Tornado Warning	JAN	Clarke, Jasper, Jones	47 min
Nov 16, 10:31 PM CST	Severe Thunderstorm Warning	JAN	Lamar, Marion	59 min
Nov 16, 10:50 PM CST	Special Weather Statement	JAN	Jefferson Davis	30 min
Nov 16, 11:10 PM CST	Severe Thunderstorm Warning	JAN	Forrest	50 min
Nov 16, 11:14 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jasper, Jones	30 min
Nov 17, 12:03 AM CST	Special Weather Statement	JAN	Forrest	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2014 Every severe thunderstorm warning in 2014

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.