Alert archive / Mississippi / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 235, NWS Jackson, MS

June 9, 2007Adams County, Mississippi; Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jun 9, 2007, 6:32 PM CDT for Adams County, Mississippi; Concordia Parish, Louisiana. It was in force for 43 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: Jun 9, 2007, 6:32 PM CDT (23:32 UTC)
Expired: Jun 9, 2007, 7:15 PM CDT
In force: 43 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Concordia Parish, LA, Adams County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 218 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: 1517 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -8 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 Jun 9, 3:40 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 9, 3:40 PM CDT, 2 hours 52 minutes before

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Hazardous weather outlook, Jun 9, 3:37 PM CDT, 2 hours 55 minutes before

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In the hours before

Special weather statement, Jun 9, 2:45 PM CDT, 3 hours 47 minutes before

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Local storm report, Jun 9, 4:05 PM CDT, 2 hours 27 minutes before

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Local storm report, Jun 9, 5:09 PM CDT, 1 hour 23 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
Jun 8, 7:00 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	45 min
Jun 8, 7:05 PM CDT	Severe Thunderstorm Warning	JAN	Smith	40 min
Jun 8, 7:32 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys	43 min
Jun 9, 1:31 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	59 min
Jun 9, 2:04 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	26 min
Jun 9, 4:26 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Marion	34 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2007 Severe Thunderstorm Warnings in Louisiana, 2007 Every severe thunderstorm warning in 2007

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.