Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

May 2, 2012Attala County, Holmes County, Leake County, Mississippi

NWS Jackson, MS issued this special weather statement at May 2, 2012, 2:21 PM CDT for Attala County, Holmes County, Leake County, Mississippi. It was in force for 59 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: May 2, 2012, 2:21 PM CDT (19:21 UTC)
Expired: May 2, 2012, 3:20 PM CDT
In force: 59 min
Issued by: NWS Jackson, MS

Counties Attala County, MS, Holmes County, MS, Leake County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 87 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 82 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: 1393 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -116 m²/s²
0-3 km storm-relative helicity: -59 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.

328 
WWUS84 KJAN 021921
SPSJAN
MSZ036>038-042>045-022020-
ATTALA MS-WINSTON MS-NESHOBA MS-MADISON MS-LEAKE MS-HOLMES MS-
YAZOO MS-
221 PM CDT WED MAY 2 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
221 PM CDT WED MAY 2 2012

...LINE OF STRONG STORMS PUSHING NORTH TOWARD HIGHWAY 82 IN CENTRAL 
MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING PENNY TO NICKEL 
SIZE HAIL AND 40 TO 50 MPH WIND GUSTS WAS LOCATED FROM 4 MILES 
SOUTHEAST OF RENFROE TO 6 MILES WEST OF VAUGHAN AT 221 PM 
CDT...MOVING NORTHWEST AT 25 MPH.

VERY HEAVY RAIN ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING 
STRIKES ARE ALSO POSSIBLE WITH THESE STORMS.

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.

PEOPLE IN NORTHEASTERN YAZOO...HOLMES...NORTHERN LEAKE...NORTHEASTERN
MADISON...NORTHWESTERN NESHOBA...EXTREME SOUTHWESTERN WINSTON AND
ATTALA COUNTIES SHOULD MONITOR THESE STORMS CLOSELY.

LAT...LON 3270 9020 3301 9041 3301 9038 3305 9039
      3305 9043 3310 9044 3311 9042 3309 9037
      3313 9038 3310 9035 3321 9033 3325 8988
      3322 8975 3327 8971 3328 8957 3303 8928
      3278 8925
TIME...MOT...LOC 1921Z 152DEG 21KT 3285 8941 3279 9015

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 1:10 PM CDT	Special Weather Statement	JAN	Scott	30 min
May 2, 1:34 PM CDT	Special Weather Statement	JAN	Hinds	31 min
May 2, 1:37 PM CDT	Special Weather Statement	JAN	Newton	43 min
May 2, 1:40 PM CDT	Special Weather Statement	JAN	Madison	45 min
May 2, 2:55 PM CDT	Special Weather Statement	JAN	Rankin	45 min
May 2, 3:11 PM CDT	Special Weather Statement	JAN	Choctaw	44 min
May 2, 3:16 PM CDT	Special Weather Statement	JAN	Sunflower	44 min
May 2, 3:17 PM CDT	Special Weather Statement	JAN	Webster	43 min
May 2, 3:18 PM CDT	Special Weather Statement	JAN	Hinds	47 min
May 2, 3:22 PM CDT	Special Weather Statement	JAN	Jefferson	28 min
May 2, 3:43 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	32 min
May 2, 3:54 PM CDT	Flash Flood Warning	JAN	Hinds, Rankin	2 hr
May 2, 4:01 PM CDT	Special Weather Statement	JAN	Clay, Lowndes	44 min
May 2, 4:12 PM CDT	Special Weather Statement	JAN	Grenada	43 min
May 2, 4:21 PM CDT	Special Weather Statement	JAN	Washington	29 min
May 2, 4:24 PM CDT	Special Weather Statement	JAN	Bolivar	46 min
May 2, 4:48 PM CDT	Special Weather Statement	JAN	Madison	42 min

Nearby

Special Weather Statements in Mississippi, 2012 Every special weather statement in 2012

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.