Alert archive / Mississippi / Special Weather Statements in 2019

Special Weather Statement, NWS New Orleans, LA

August 2, 2019Harrison County, Mississippi

NWS New Orleans, LA issued this special weather statement at Aug 2, 2019, 3:11 PM CDT for Harrison County, Mississippi. It was in force for 34 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, 2019, 3:11 PM CDT (20:11 UTC)
Expired: Aug 2, 2019, 3:45 PM CDT
In force: 34 min
Issued by: NWS New Orleans, LA

County Harrison County, MS

The radar

The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 67 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: 586 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1044 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 9 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.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 9:29 PM CDT	Special Weather Statement	LIX	Orleans	31 min
Aug 2, 1:59 PM CDT	Special Weather Statement	LIX	Orleans	46 min
Aug 2, 3:26 PM CDT	Special Weather Statement	LIX	Terrebonne	34 min
Aug 2, 2:07 PM CDT	Special Weather Statement	LIX	Harrison	53 min

Nearby

Special Weather Statements in Mississippi, 2019 Every special weather statement in 2019

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.