Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

August 6, 2016Humphreys County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 6, 2016, 3:39 PM CDT for Humphreys County, Mississippi. It was in force for 36 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 6, 2016, 3:39 PM CDT (20:39 UTC)
Expired: Aug 6, 2016, 4:15 PM CDT
In force: 36 min
Issued by: NWS Jackson, MS

County Humphreys County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 105 km from the middle of the area, began a volume at 20:39 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, 8.7 hours before the alert went out and 97 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: 517 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1119 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

671 
WWUS84 KJAN 062039
SPSJAN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
339 PM CDT SAT AUG 6 2016
 
MSZ025-035-036-062115-
LEFLORE MS-HOLMES MS-HUMPHREYS MS-
339 PM CDT SAT AUG 6 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HUMPHREYS...
SOUTHWESTERN LEFLORE AND SOUTHWESTERN HOLMES COUNTIES UNTIL 415 PM
CDT...

AT 339 PM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR BELZONI...MOVING SOUTHEAST AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  THORNTON AROUND 355 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE SILVER CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

&&

LAT...LON 3320 9025 3298 9025 3301 9034 3302 9034
      3301 9036 3301 9039 3303 9047 3327 9061
      3327 9056 3332 9056 3333 9055 3333 9037
TIME...MOT...LOC 2039Z 321DEG 32KT 3320 9044 

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 7:12 PM CDT	Special Weather Statement	JAN	Lawrence	48 min
Aug 5, 7:37 PM CDT	Special Weather Statement	JAN	Marion	23 min
Aug 5, 8:08 PM CDT	Special Weather Statement	JAN	Marion	22 min
Aug 6, 12:41 PM CDT	Special Weather Statement	JAN	Carroll	34 min
Aug 6, 1:33 PM CDT	Special Weather Statement	JAN	Attala	27 min
Aug 6, 1:58 PM CDT	Special Weather Statement	JAN	Leake	32 min
Aug 6, 2:07 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	38 min
Aug 6, 2:19 PM CDT	Special Weather Statement	JAN	Winston	41 min
Aug 6, 2:37 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	26 min
Aug 6, 2:40 PM CDT	Special Weather Statement	JAN	Leake	35 min
Aug 6, 2:47 PM CDT	Special Weather Statement	JAN	Washington	43 min
Aug 6, 3:00 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin, Scott	36 min
Aug 6, 3:28 PM CDT	Special Weather Statement	JAN	Madison	32 min
Aug 6, 3:35 PM CDT	Special Weather Statement	JAN	Humphreys	25 min
Aug 6, 3:44 PM CDT	Special Weather Statement	JAN	Sharkey	31 min
Aug 6, 4:09 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	38 min
Aug 6, 4:15 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	37 min
Aug 6, 4:25 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison	50 min
Aug 6, 4:27 PM CDT	Special Weather Statement	JAN	Rankin	33 min
Aug 6, 5:00 PM CDT	Special Weather Statement	JAN	Rankin	45 min
Aug 6, 5:03 PM CDT	Special Weather Statement	JAN	Simpson	27 min
Aug 6, 5:04 PM CDT	Special Weather Statement	JAN	Smith	26 min
Aug 6, 5:08 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	67 min
Aug 6, 5:12 PM CDT	Severe Thunderstorm Warning	JAN	Smith	29 min
Aug 6, 5:36 PM CDT	Special Weather Statement	JAN	Copiah	24 min
Aug 6, 5:49 PM CDT	Special Weather Statement	JAN	Covington	41 min
Aug 6, 6:01 PM CDT	Special Weather Statement	JAN	Jefferson Davis, Lawrence, Lincoln	59 min
Aug 6, 6:04 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Jefferson Davis, Lawrence, Lincoln	56 min
Aug 6, 6:34 PM CDT	Special Weather Statement	JAN	Jefferson Davis, Lamar	56 min
Aug 6, 6:41 PM CDT	Special Weather Statement	JAN	Lincoln	49 min
Aug 6, 6:47 PM CDT	Severe Thunderstorm Warning	JAN	Lamar, Marion	58 min
Aug 6, 6:55 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Lincoln, Marion	51 min
Aug 6, 1:48 PM CDT	Special Weather Statement	JAN	Ashley	27 min

Nearby

Special Weather Statements in Mississippi, 2016 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.