Alert archive / Mississippi / Special Weather Statements in 2013

Special Weather Statement, NWS Jackson, MS

October 31, 20135 counties in Mississippi

NWS Jackson, MS issued this special weather statement at Oct 31, 2013, 5:13 PM CDT for 5 counties in Mississippi. 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: Oct 31, 2013, 5:13 PM CDT (22:13 UTC)
Expired: Oct 31, 2013, 5:55 PM CDT
In force: 42 min
Issued by: NWS Jackson, MS

Counties Covington County, MS, Lamar County, MS, Marion County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 22:15 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

Jackson, MS (KJAN), launched 12:00Z, 10.2 hours before the alert went out and 95 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: 26 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 535 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 364 m²/s²
0-3 km storm-relative helicity: 399 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 Oct 31, 3:48 PM CDT, 1 hour 25 minutes earlier.

Area forecast discussion, Oct 31, 3:48 PM CDT, 1 hour 25 minutes before

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Hazardous weather outlook, Oct 31, 3:02 PM CDT, 2 hours 11 minutes before

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In the hours before

Local storm report, Oct 31, 2:34 PM CDT, 2 hours 39 minutes before

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Local storm report, Oct 31, 3:05 PM CDT, 2 hours 8 minutes before

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Special weather statement, Oct 31, 3:08 PM CDT, 2 hours 5 minutes before

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Special weather statement, Oct 31, 3:40 PM CDT, 1 hour 33 minutes before

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Special weather statement, Oct 31, 4:29 PM CDT, 44 minutes before

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Special weather statement, Oct 31, 5:13 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
Oct 31, 11:45 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey, Washington	6 hr
Oct 31, 12:02 PM CDT	Special Weather Statement	JAN	Issaquena	28 min
Oct 31, 12:41 PM CDT	Special Weather Statement	JAN	Sharkey	29 min
Oct 31, 1:20 PM CDT	Special Weather Statement	JAN	Hinds, Madison, Yazoo	60 min
Oct 31, 1:23 PM CDT	Special Weather Statement	JAN	Attala, Carroll, Holmes, Montgomery, Webster	57 min
Oct 31, 2:10 PM CDT	Flash Flood Warning	JAN	Warren	2 hr
Oct 31, 2:26 PM CDT	Special Weather Statement	JAN	Attala, Choctaw, Montgomery, Webster	29 min
Oct 31, 3:08 PM CDT	Special Weather Statement	JAN	Copiah, Hinds, Lawrence, Lincoln, Rankin, Simpson	27 min
Oct 31, 3:40 PM CDT	Special Weather Statement	JAN	Lincoln	45 min
Oct 31, 4:29 PM CDT	Special Weather Statement	JAN	Covington, Jefferson Davis, Lamar, Lawrence, Marion, Simpson	31 min
Oct 31, 5:42 PM CDT	Tornado Warning	JAN	Smith	33 min
Oct 31, 6:16 PM CDT	Special Weather Statement	JAN	Clarke, Forrest, Jasper, Jones, Lauderdale	29 min
Oct 31, 9:18 AM CDT	Flash Flood Warning	JAN	Franklin, Morehouse, Richland, West Carroll	6 hr
Oct 31, 9:26 AM CDT	Special Weather Statement	JAN	Richland	29 min
Oct 31, 9:33 AM CDT	Areal Flood Warning	JAN	Morehouse, West Carroll	6 hr
Oct 31, 10:29 AM CDT	Special Weather Statement	JAN	Catahoula, Franklin	31 min
Oct 31, 11:03 AM CDT	Special Weather Statement	JAN	Catahoula, Concordia, Tensas	57 min
Oct 31, 12:27 PM CDT	Special Weather Statement	JAN	Tensas	28 min

Nearby

Special Weather Statements in Mississippi, 2013 Every special weather statement in 2013

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.