Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

August 17, 2012Bolivar County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 17, 2012, 2:09 AM CDT for Bolivar 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 17, 2012, 2:09 AM CDT (07:09 UTC)
Expired: Aug 17, 2012, 2:40 AM CDT
In force: 31 min
Issued by: NWS Jackson, MS

County Bolivar County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 178 km from the middle of the area, began a volume at 07:11 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 00:00Z, 7.2 hours before the alert went out and 134 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: 2007 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1896 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 79 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.

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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 17, 12:34 AM CDT, 1 hour 35 minutes earlier.

Area forecast discussion, Aug 17, 12:34 AM CDT, 1 hour 35 minutes before

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Hazardous weather outlook, Aug 17, 12:30 AM CDT, 1 hour 39 minutes before

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In the hours before

Local storm report, Aug 16, 8:31 PM CDT, 5 hours 38 minutes before

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Local storm report, Aug 16, 9:35 PM CDT, 4 hours 34 minutes before

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Local storm report, Aug 16, 9:47 PM CDT, 4 hours 22 minutes before

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Special weather statement, Aug 17, 1:58 AM CDT, 11 minutes before

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Special weather statement, Aug 17, 2:09 AM 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 16, 7:02 PM CDT	Special Weather Statement	JAN	Lamar	58 min
Aug 16, 7:13 PM CDT	Severe Thunderstorm Warning	JAN	Attala	43 min
Aug 16, 7:18 PM CDT	Severe Thunderstorm Warning	JAN	Lamar, Marion	39 min
Aug 16, 7:28 PM CDT	Special Weather Statement	JAN	Carroll	27 min
Aug 16, 8:05 PM CDT	Special Weather Statement	JAN	Montgomery	45 min
Aug 16, 8:43 PM CDT	Flash Flood Warning	JAN	Attala, Carroll	60 min
Aug 17, 1:58 AM CDT	Special Weather Statement	JAN	Bolivar	32 min
Aug 17, 2:18 AM CDT	Special Weather Statement	JAN	Leflore	32 min
Aug 17, 2:37 AM CDT	Special Weather Statement	JAN	Washington	28 min
Aug 17, 3:16 AM CDT	Special Weather Statement	JAN	Sharkey	29 min
Aug 17, 4:20 AM CDT	Special Weather Statement	JAN	Lowndes	30 min
Aug 17, 4:58 AM CDT	Flash Flood Warning	JAN	Lowndes, Oktibbeha	2 hr
Aug 17, 5:31 AM CDT	Special Weather Statement	JAN	Hinds, Madison, Rankin	59 min
Aug 17, 6:26 AM CDT	Special Weather Statement	JAN	Copiah, Jasper, Newton, Simpson, Smith	59 min
Aug 17, 6:29 AM CDT	Special Weather Statement	JAN	Clarke, Lauderdale	61 min
Aug 17, 7:13 AM CDT	Special Weather Statement	JAN	Clarke, Jasper	32 min
Aug 17, 9:20 AM CDT	Special Weather Statement	JAN	Issaquena	30 min
Aug 17, 9:25 AM CDT	Special Weather Statement	JAN	Rankin	30 min
Aug 17, 9:41 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	49 min
Aug 17, 9:48 AM CDT	Special Weather Statement	JAN	Simpson	32 min
Aug 17, 10:08 AM CDT	Special Weather Statement	JAN	Yazoo	32 min
Aug 17, 10:12 AM CDT	Special Weather Statement	JAN	Rankin	33 min
Aug 17, 10:33 AM CDT	Special Weather Statement	JAN	Hinds	32 min
Aug 17, 10:46 AM CDT	Special Weather Statement	JAN	Rankin, Smith	29 min
Aug 17, 6:55 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey	24 min
Aug 17, 8:08 AM CDT	Special Weather Statement	JAN	Richland	32 min
Aug 17, 8:35 AM CDT	Special Weather Statement	JAN	Morehouse	30 min
Aug 17, 9:22 AM CDT	Special Weather Statement	JAN	Chicot	28 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.