Alert archive / Mississippi / Special Weather Statements in 2018

Special Weather Statement, NWS Memphis, TN

February 6, 2018Panola County, Mississippi

NWS Memphis, TN issued this special weather statement at Feb 6, 2018, 7:49 PM CST for Panola County, Mississippi. It was in force for 41 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: Feb 6, 2018, 7:49 PM CST (01:49 UTC)
Expired: Feb 6, 2018, 8:30 PM CST
In force: 41 min
Issued by: NWS Memphis, TN

County Panola County, MS

The radar

The Memphis radar (KNQA), 103 km from the middle of the area, began a volume at 01:51 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

Jackson, MS (KJAN), launched 00:00Z, 1.8 hours before the alert went out and 235 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: 296 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.3

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 Memphis, TN wrote its last area forecast discussion before this special weather statement went out at Feb 6, 6:29 PM CST, 1 hour 20 minutes earlier.

Area forecast discussion, Feb 6, 6:29 PM CST, 1 hour 20 minutes before

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Hazardous weather outlook, Feb 6, 3:59 PM CST, 3 hours 50 minutes before

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In the hours before

Special weather statement, Feb 6, 5:47 PM CST, 2 hours 2 minutes before

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Special weather statement, Feb 6, 5:49 PM CST, 2 hours before

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Special weather statement, Feb 6, 6:32 PM CST, 1 hour 17 minutes before

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Special weather statement, Feb 6, 6:33 PM CST, 1 hour 16 minutes before

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Special weather statement, Feb 6, 7:27 PM CST, 22 minutes before

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Special weather statement, Feb 6, 7:49 PM CST, 0 minutes before

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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 6, 6:32 PM CST	Special Weather Statement	MEG	Crockett	28 min
Feb 6, 6:33 PM CST	Special Weather Statement	MEG	Chester	27 min
Feb 6, 7:27 PM CST	Special Weather Statement	MEG	Carroll, Henry	33 min
Feb 7, 7:37 AM CST	River Flood Warning	MEG	Monroe	27 hr
Feb 7, 7:37 AM CST	River Flood Warning	MEG	Monroe	25 hr
Feb 7, 7:37 AM CST	River Flood Warning	MEG	Lowndes, Monroe	9 days

Nearby

Special Weather Statements in Mississippi, 2018 Every special weather statement in 2018

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.