Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

July 6, 2021Adams County, Mississippi; Concordia Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Jul 6, 2021, 3:55 PM CDT for Adams County, Mississippi; Concordia Parish, Louisiana. It was in force for 35 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: Jul 6, 2021, 3:55 PM CDT (20:55 UTC)
Expired: Jul 6, 2021, 4:30 PM CDT
In force: 35 min
Issued by: NWS Jackson, MS

Counties Concordia Parish, LA, Adams County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.9 hours before the alert went out and 204 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: 1603 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 6, 3:24 PM CDT, 31 minutes earlier.

Area forecast discussion, Jul 6, 3:24 PM CDT, 31 minutes before

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Hazardous weather outlook, Jul 6, 2:14 PM CDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, Jul 6, 3:55 PM CDT, 0 minutes before

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Nearby

Special Weather Statements in Mississippi, 2021 Special Weather Statements in Louisiana, 2021 Every special weather statement in 2021

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.