Alert archive / Mississippi / Special Weather Statements in 2014

Special Weather Statement, NWS Jackson, MS

August 4, 2014Scott County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 4, 2014, 2:21 PM CDT for Scott County, Mississippi. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 4, 2014, 2:21 PM CDT (19:21 UTC)
Expired: Aug 4, 2014, 2:50 PM CDT
In force: 29 min
Issued by: NWS Jackson, MS

County Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 29 km from the middle of the area, began a volume at 19:23 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.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.4 hours before the alert went out and 37 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: 1708 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

637 
WWUS84 KJAN 041921
SPSJAN
MSZ050-041950-
SCOTT MS-
221 PM CDT MON AUG 4 2014

...STRONG STORM OVER NORTHWEST SCOTT COUNTY..

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
221 PM CDT MON AUG 4 2014

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED OVER FORKVILLE AT 221 PM CDT...MOVING
SOUTH AT 5 MPH.

VERY HEAVY RAIN ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING ARE 
ALSO LIKELY WITH THIS STORM.

PEOPLE IN SCOTT COUNTY SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3231 8973 3236 8973 3237 8974 3239 8974
      3240 8975 3254 8977 3254 8956 3232 8956
TIME...MOT...LOC 1921Z 000DEG 6KT 3246 8968

$$

EEC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 7:05 PM CDT	Special Weather Statement	JAN	Hinds	30 min
Aug 3, 7:09 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison	19 min
Aug 3, 7:27 PM CDT	Special Weather Statement	JAN	Yazoo	28 min
Aug 3, 8:05 PM CDT	Special Weather Statement	JAN	Hinds	30 min
Aug 4, 2:02 AM CDT	Special Weather Statement	JAN	Lamar	28 min
Aug 4, 12:24 PM CDT	Special Weather Statement	JAN	Marion	31 min
Aug 4, 12:28 PM CDT	Special Weather Statement	JAN	Marion	32 min
Aug 4, 1:15 PM CDT	Special Weather Statement	JAN	Oktibbeha	30 min
Aug 4, 2:23 PM CDT	Special Weather Statement	JAN	Scott	27 min
Aug 4, 2:46 PM CDT	Special Weather Statement	JAN	Rankin	19 min
Aug 4, 2:50 PM CDT	Special Weather Statement	JAN	Copiah	20 min
Aug 4, 2:57 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Rankin, Simpson	31 min
Aug 4, 3:07 PM CDT	Special Weather Statement	JAN	Leake	33 min
Aug 4, 3:08 PM CDT	Special Weather Statement	JAN	Rankin	22 min
Aug 4, 3:12 PM CDT	Severe Thunderstorm Warning	JAN	Leake	48 min
Aug 4, 3:23 PM CDT	Special Weather Statement	JAN	Madison	22 min
Aug 4, 3:39 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	51 min
Aug 4, 3:45 PM CDT	Special Weather Statement	JAN	Leake	20 min
Aug 4, 3:58 PM CDT	Special Weather Statement	JAN	Lawrence	22 min
Aug 4, 4:16 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne	31 min
Aug 4, 4:18 PM CDT	Special Weather Statement	JAN	Yazoo	32 min
Aug 4, 4:20 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Yazoo	40 min
Aug 4, 4:23 PM CDT	Special Weather Statement	JAN	Attala	22 min
Aug 4, 4:33 PM CDT	Special Weather Statement	JAN	Madison	22 min
Aug 4, 4:35 PM CDT	Special Weather Statement	JAN	Franklin	20 min
Aug 4, 4:41 PM CDT	Special Weather Statement	JAN	Lincoln	24 min
Aug 4, 4:57 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	48 min
Aug 4, 4:59 PM CDT	Special Weather Statement	JAN	Jefferson	31 min
Aug 4, 5:05 PM CDT	Special Weather Statement	JAN	Tensas	30 min
Aug 4, 6:00 PM CDT	Special Weather Statement	JAN	Tensas	30 min
Aug 4, 6:02 PM CDT	Special Weather Statement	JAN	Catahoula	23 min

Nearby

Special Weather Statements in Mississippi, 2014 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.