Alert archive / Mississippi / Special Weather Statements in 2016

Special Weather Statement, NWS New Orleans, LA

August 2, 2016Harrison County, Mississippi

NWS New Orleans, LA issued this special weather statement at Aug 2, 2016, 5:29 PM CDT for Harrison County, Mississippi. It was in force for 31 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, 5:29 PM CDT (22:29 UTC)
Expired: Aug 2, 2016, 6:00 PM CDT
In force: 31 min
Issued by: NWS New Orleans, LA

County Harrison County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 22:33 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.5 hours before the alert went out and 70 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: 2713 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 722 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: -20 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 New Orleans, LA wrote its last area forecast discussion before this special weather statement went out at Aug 2, 3:57 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Aug 2, 3:57 PM CDT, 1 hour 32 minutes before

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Hazardous weather outlook, Aug 2, 2:59 PM CDT, 2 hours 30 minutes before

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In the hours before

Special weather statement, Aug 2, 12:52 PM CDT, 4 hours 37 minutes before

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Special weather statement, Aug 2, 2:42 PM CDT, 2 hours 47 minutes before

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Special weather statement, Aug 2, 5:29 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
529 PM CDT TUE AUG 2 2016

MSZ081-082-022300-
JACKSON-HARRISON-
529 PM CDT TUE AUG 2 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN HARRISON AND
NORTHWESTERN JACKSON COUNTIES...

AT 529 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 11 MILES SOUTHWEST OF LUCEDALE TO 10
MILES EAST OF MCHENRY TO PERKINSTON. MOVEMENT WAS SOUTHWEST AT 5 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GULFPORT...BILOXI...SAUCIER AND LYMAN.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 3046 8905 3047 8934 3063 8934 3065 8930
      3065 8924 3068 8924 3068 8889 3074 8888
      3073 8869
TIME...MOT...LOC 2229Z 024DEG 6KT 3081 8874 3069 8895 3078 8913

24/RR

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 7:03 PM CDT	Special Weather Statement	LIX	West Baton Rouge	27 min
Aug 2, 12:52 PM CDT	Special Weather Statement	LIX	Jefferson	23 min
Aug 2, 2:42 PM CDT	Special Weather Statement	LIX	Jackson	33 min
Aug 2, 6:00 PM CDT	Special Weather Statement	LIX	Harrison	30 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.