Alert archive / Mississippi / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 385, NWS Jackson, MS

August 5, 2013Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 5, 2013, 1:48 PM CDT for Jones County, 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 counties it named.

The facts

Issued: Aug 5, 2013, 1:48 PM CDT (18:48 UTC)
Expired: Aug 5, 2013, 2:30 PM CDT
In force: 42 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 106 km from the middle of the area, began a volume at 18:51 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

Birmingham, AL (KBMX), launched 12:00Z, 6.8 hours before the alert went out and 283 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: 6 J/kg
Mixed-layer CIN: -230 J/kg
Mixed-layer LCL: 1144 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 5, 10:39 AM CDT, 3 hours 9 minutes earlier.

Area forecast discussion, Aug 5, 10:39 AM CDT, 3 hours 9 minutes before

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Hazardous weather outlook, Aug 5, 10:44 AM CDT, 3 hours 4 minutes before

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In the hours before

Special weather statement, Aug 5, 1:46 PM CDT, 2 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 5, 1:46 PM CDT	Special Weather Statement	JAN	Jones	29 min
Aug 5, 1:55 PM CDT	Special Weather Statement	JAN	Newton	30 min
Aug 5, 1:57 PM CDT	Special Weather Statement	JAN	Sunflower	28 min
Aug 5, 2:14 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	46 min
Aug 5, 2:17 PM CDT	Special Weather Statement	JAN	Jasper	28 min
Aug 5, 2:31 PM CDT	Special Weather Statement	JAN	Smith	29 min
Aug 5, 2:40 PM CDT	Special Weather Statement	JAN	Jasper	30 min
Aug 5, 2:43 PM CDT	Severe Thunderstorm Warning	JAN	Smith	47 min
Aug 5, 2:49 PM CDT	Heat Advisory	JAN	Adams, Bolivar, Carroll, Claiborne, Copiah, Franklin and 19 more	4 days
Aug 5, 2:52 PM CDT	Special Weather Statement	JAN	Covington	28 min
Aug 5, 3:09 PM CDT	Special Weather Statement	JAN	Choctaw	41 min
Aug 5, 3:16 PM CDT	Special Weather Statement	JAN	Forrest	44 min
Aug 5, 4:04 PM CDT	Special Weather Statement	JAN	Oktibbeha	46 min
Aug 5, 4:27 PM CDT	Special Weather Statement	JAN	Noxubee	28 min
Aug 5, 4:56 PM CDT	Special Weather Statement	JAN	Sharkey	29 min
Aug 5, 5:09 PM CDT	Special Weather Statement	JAN	Holmes	31 min
Aug 5, 5:19 PM CDT	Flash Flood Warning	JAN	Clay, Oktibbeha	116 min
Aug 5, 5:24 PM CDT	Special Weather Statement	JAN	Bolivar	61 min
Aug 5, 6:13 PM CDT	Special Weather Statement	JAN	Madison	32 min
Aug 5, 6:19 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Holmes, Madison, Yazoo	41 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2013 Every severe thunderstorm warning 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.