Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

August 2, 2016Lowndes County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 2, 2016, 2:15 PM CDT for Lowndes County, Mississippi. It was in force for 30 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 2, 2016, 2:15 PM CDT (19:15 UTC)
Expired: Aug 2, 2016, 2:45 PM CDT
In force: 30 min
Issued by: NWS Jackson, MS

County Lowndes County, MS

The radar

The Columbus AFB radar (KGWX), 27 km from the middle of the area, began a volume at 19:15 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

Birmingham, AL (KBMX), launched 12:00Z, 7.3 hours before the alert went out and 158 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: 680 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1101 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Aug 2, 10:05 AM CDT, 4 hours 10 minutes earlier.

Area forecast discussion, Aug 2, 10:05 AM CDT, 4 hours 10 minutes before

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Hazardous weather outlook, Aug 2, 4:15 AM CDT, 10 hours before

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In the hours before

Special weather statement, Aug 2, 2:15 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
215 PM CDT TUE AUG 2 2016

MSZ031-021945-
LOWNDES MS-
215 PM CDT TUE AUG 2 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LOWNDES COUNTY
UNTIL 245 PM CDT...

AT 215 PM CDT...METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM
NEAR CALEDONIA...OR 10 MILES WEST OF VERNON...MOVING SOUTH AT 5 MPH.

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

THIS STRONG THUNDERSTORM WILL BE NEAR...
  CALEDONIA AND KOLOLA SPRINGS AROUND 245 PM CDT.

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 3356 8827 3360 8848 3361 8848 3361 8849
      3366 8846 3367 8844 3368 8843 3367 8841
      3369 8839 3369 8837 3372 8833 3374 8833
      3374 8825
TIME...MOT...LOC 1915Z 014DEG 7KT 3375 8830

EEC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 2:35 PM CDT	Heat Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	4 days
Aug 2, 3:13 PM CDT	Special Weather Statement	JAN	Noxubee	32 min
Aug 2, 3:57 PM CDT	Special Weather Statement	JAN	Kemper	33 min
Aug 2, 4:27 PM CDT	Special Weather Statement	JAN	Lauderdale	33 min
Aug 2, 4:55 PM CDT	Special Weather Statement	JAN	Clarke	35 min
Aug 2, 5:26 PM CDT	Special Weather Statement	JAN	Winston	34 min
Aug 2, 5:36 PM CDT	Special Weather Statement	JAN	Clarke	24 min
Aug 2, 6:37 PM CDT	Special Weather Statement	JAN	Jasper	23 min
Aug 2, 6:39 PM CDT	Special Weather Statement	JAN	Smith	36 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.