Alert archive / Louisiana / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, MS

August 15, 2016Morehouse Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Aug 15, 2016, 4:33 PM CDT for Morehouse Parish, West Carroll Parish, Louisiana. It was in force for 42 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 15, 2016, 4:33 PM CDT (21:33 UTC)
Expired: Aug 15, 2016, 5:15 PM CDT
In force: 42 min
Issued by: NWS Jackson, MS

Counties Morehouse Parish, LA, West Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 183 km from the middle of the area, began a volume at 21:31 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

Little Rock, AR (KBYH), launched 12:00Z, 9.6 hours before the alert went out and 298 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: 130 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 55 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 15, 3:42 PM CDT, 51 minutes earlier.

Area forecast discussion, Aug 15, 3:42 PM CDT, 51 minutes before

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Hazardous weather outlook, Aug 15, 2:22 PM CDT, 2 hours 11 minutes before

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In the hours before

Special weather statement, Aug 15, 3:41 PM CDT, 52 minutes before

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Special weather statement, Aug 15, 4:05 PM CDT, 28 minutes before

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Special weather statement, Aug 15, 4:16 PM CDT, 17 minutes before

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Special weather statement, Aug 15, 4:28 PM CDT, 5 minutes before

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Special weather statement, Aug 15, 4:33 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 7:06 PM CDT	Special Weather Statement	JAN	Carroll, Choctaw, Montgomery, Webster	54 min
Aug 15, 3:41 PM CDT	Special Weather Statement	JAN	Adams	34 min
Aug 15, 4:05 PM CDT	Special Weather Statement	JAN	Simpson	25 min
Aug 15, 4:28 PM CDT	Special Weather Statement	JAN	Rankin	32 min
Aug 15, 5:03 PM CDT	Special Weather Statement	JAN	Attala	27 min
Aug 15, 5:34 PM CDT	Special Weather Statement	JAN	Sharkey, Washington	26 min
Aug 15, 6:03 PM CDT	Special Weather Statement	JAN	Sunflower, Washington	42 min
Aug 15, 6:45 PM CDT	Special Weather Statement	JAN	Bolivar, Leflore, Sunflower	45 min
Aug 15, 4:16 PM CDT	Special Weather Statement	JAN	Tensas	29 min
Aug 15, 5:28 PM CDT	Special Weather Statement	JAN	Ashley, Chicot	32 min

Nearby

Special Weather Statements in Louisiana, 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.