Alert archive / Mississippi / Special Weather Statements in 2013

Special Weather Statement, NWS Memphis, TN

August 6, 2013Chickasaw County, Mississippi

NWS Memphis, TN issued this special weather statement at Aug 6, 2013, 5:22 PM CDT for Chickasaw County, Mississippi. It was in force for 23 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: Aug 6, 2013, 5:22 PM CDT (22:22 UTC)
Expired: Aug 6, 2013, 5:45 PM CDT
In force: 23 min
Issued by: NWS Memphis, TN

County Chickasaw County, MS

The radar

The Columbus AFB radar (KGWX), 72 km from the middle of the area, began a volume at 22:22 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 12:00Z, 10.4 hours before the alert went out and 193 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: 2065 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Aug 6, 3:49 PM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Aug 6, 3:49 PM CDT, 1 hour 33 minutes before

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Hazardous weather outlook, Aug 6, 3:59 PM CDT, 1 hour 23 minutes before

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In the hours before

Local storm report, Aug 6, 2:12 PM CDT, 3 hours 10 minutes before

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Local storm report, Aug 6, 3:30 PM CDT, 1 hour 52 minutes before

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Special weather statement, Aug 6, 4:17 PM CDT, 1 hour 5 minutes before

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Special weather statement, Aug 6, 5:22 PM CDT, 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
Aug 6, 8:45 AM CDT	Flash Flood Warning	MEG	Obion, Weakley	3 hr
Aug 6, 9:14 AM CDT	Flash Flood Watch	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Gibson and 9 more	7 hr
Aug 6, 9:29 AM CDT	Flash Flood Warning	MEG	Henderson	3 hr
Aug 6, 11:47 AM CDT	Flash Flood Warning	MEG	Decatur, Henderson	3 hr
Aug 6, 1:51 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Pontotoc, Union	39 min
Aug 6, 1:56 PM CDT	Areal Flood Advisory	MEG	Tishomingo	3 hr
Aug 6, 2:16 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee	29 min
Aug 6, 2:24 PM CDT	Areal Flood Advisory	MEG	Itawamba, Lee, Monroe, Pontotoc, Union	2 hr
Aug 6, 4:17 PM CDT	Special Weather Statement	MEG	Pontotoc	28 min
Aug 6, 4:40 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc, Union	50 min

Nearby

Special Weather Statements in Mississippi, 2013 Every special weather statement 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.