Alert archive / Tennessee / Special Weather Statements in 2014

Special Weather Statement, NWS Nashville, TN

October 13, 2014Lawrence County, Tennessee

NWS Nashville, TN issued this special weather statement at Oct 13, 2014, 2:01 AM CDT for Lawrence County, Tennessee. It was in force for 59 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: Oct 13, 2014, 2:01 AM CDT (07:01 UTC)
Expired: Oct 13, 2014, 3:00 AM CDT
In force: 59 min
Issued by: NWS Nashville, TN

County Lawrence County, TN

The radar

The Northeast Alabama radar (KHTX), 138 km from the middle of the area, began a volume at 07:01 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

Nashville Metro, TN (KBNA), launched 00:00Z, 7.0 hours before the alert went out and 146 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: 72 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1009 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Nashville, TN wrote its last area forecast discussion before this special weather statement went out at Oct 12, 11:56 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Oct 12, 11:56 PM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, Oct 13, 12:20 AM CDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, Oct 12, 10:14 PM CDT, 3 hours 47 minutes before

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Special weather statement, Oct 12, 11:41 PM CDT, 2 hours 20 minutes before

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Special weather statement, Oct 13, 2:01 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 10:14 PM CDT	Special Weather Statement	OHX	Lawrence	61 min
Oct 12, 11:41 PM CDT	Special Weather Statement	OHX	Lawrence	49 min
Oct 13, 2:46 AM CDT	Special Weather Statement	OHX	Montgomery	44 min
Oct 13, 3:45 AM CDT	Flash Flood Watch	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	32 hr
Oct 13, 3:57 AM CDT	Wind Advisory	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	23 hr
Oct 13, 4:56 AM CDT	Areal Flood Advisory	OHX	Bedford, Giles, Lawrence, Lewis, Marshall, Maury and 3 more	3 hr
Oct 13, 4:33 PM CDT	Tornado Warning	OHX	Humphreys, Perry	42 min
Oct 13, 5:06 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Marshall	39 min
Oct 13, 5:07 PM CDT	Tornado Warning	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	38 min
Oct 13, 5:10 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	35 min
Oct 13, 5:28 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Houston, Humphreys, Perry, Wayne	47 min
Oct 13, 5:33 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Maury, Rutherford, Williamson	42 min
Oct 13, 5:40 PM CDT	Tornado Warning	OHX	Hickman, Lawrence, Lewis, Maury, Perry, Wayne	50 min
Oct 13, 5:43 PM CDT	Tornado Warning	OHX	Dickson, Houston, Montgomery, Stewart	47 min
Oct 13, 5:46 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Rutherford, Warren	29 min
Oct 13, 6:10 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Houston, Humphreys, Lewis, Maury and 4 more	65 min
Oct 13, 6:13 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Cheatham, Davidson, Robertson, Rutherford, Sumner and 2 more	47 min
Oct 13, 6:13 PM CDT	Tornado Warning	OHX	Montgomery	17 min
Oct 13, 6:18 PM CDT	Tornado Warning	OHX	Montgomery	12 min
Oct 13, 6:33 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Montgomery, Stewart	42 min
Oct 13, 6:39 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	21 min
Oct 13, 6:50 PM CDT	Areal Flood Advisory	OHX	Dickson, Hickman, Houston, Humphreys, Lewis, Perry	6 hr

Nearby

Special Weather Statements in Tennessee, 2014 Every special weather statement in 2014

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.