Alert archive / Mississippi / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 382, NWS Jackson, MS

July 24, 2013Carroll County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 24, 2013, 12:29 AM CDT for Carroll County, Mississippi. It was in force for 46 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: Jul 24, 2013, 12:29 AM CDT (05:29 UTC)
Expired: Jul 24, 2013, 1:15 AM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Carroll County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 130 km from the middle of the area, began a volume at 05:32 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 (KLZK), launched 00:00Z, 5.5 hours before the alert went out and 154 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: 324 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1798 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -52 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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 Jul 23, 9:00 PM CDT, 3 hours 29 minutes earlier.

Area forecast discussion, Jul 23, 9:00 PM CDT, 3 hours 29 minutes before

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Hazardous weather outlook, Jul 23, 5:14 PM CDT, 7 hours 15 minutes before

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In the hours before

Local storm report, Jul 23, 7:19 PM CDT, 5 hours 10 minutes before

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Local storm report, Jul 23, 8:01 PM CDT, 4 hours 28 minutes before

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Special weather statement, Jul 24, 12:03 AM CDT, 26 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
Jul 24, 12:03 AM CDT	Special Weather Statement	JAN	Grenada	32 min
Jul 24, 12:47 AM CDT	Special Weather Statement	JAN	Montgomery	28 min
Jul 24, 12:51 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	39 min
Jul 24, 2:15 PM CDT	Special Weather Statement	JAN	Noxubee	45 min
Jul 24, 3:02 PM CDT	Flash Flood Warning	JAN	Oktibbeha	58 min
Jul 24, 3:19 PM CDT	Flash Flood Warning	JAN	Warren	116 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.