Alert archive / Tennessee / Special Weather Statements in 2014

Special Weather Statement, NWS Nashville, TN

October 14, 2014Cannon County, Coffee County, Tennessee

NWS Nashville, TN issued this special weather statement at Oct 14, 2014, 6:14 AM CDT for Cannon County, Coffee County, Tennessee. It was in force for 46 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 14, 2014, 6:14 AM CDT (11:14 UTC)
Expired: Oct 14, 2014, 7:00 AM CDT
In force: 46 min
Issued by: NWS Nashville, TN

Counties Cannon County, TN, Coffee County, TN

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 11:15 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, 11.2 hours before the alert went out and 70 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: 187 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 389 m²/s²
0-3 km storm-relative helicity: 568 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.3

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 14, 3:53 AM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Oct 14, 3:53 AM CDT, 2 hours 21 minutes before

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Hazardous weather outlook, Oct 14, 5:09 AM CDT, 1 hour 5 minutes before

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In the hours before

Local storm report, Oct 14, 12:15 AM CDT, 5 hours 59 minutes before

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Special weather statement, Oct 14, 12:25 AM CDT, 5 hours 49 minutes before

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Special weather statement, Oct 14, 12:42 AM CDT, 5 hours 32 minutes before

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Special weather statement, Oct 14, 1:28 AM CDT, 4 hours 46 minutes before

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Special weather statement, Oct 14, 6:14 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 13, 7:06 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Lawrence, Lewis, Maury, Williamson	39 min
Oct 13, 7:28 PM CDT	Areal Flood Advisory	OHX	Lawrence, Wayne	2 hr
Oct 13, 7:47 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	43 min
Oct 13, 8:18 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Maury	42 min
Oct 13, 8:37 PM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	38 min
Oct 13, 8:40 PM CDT	Areal Flood Advisory	OHX	Bedford, Cheatham, Davidson, Dickson, Hickman, Lawrence and 10 more	6 hr
Oct 13, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall, Maury	34 min
Oct 13, 9:03 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	42 min
Oct 13, 9:06 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	39 min
Oct 13, 9:31 PM CDT	Areal Flood Advisory	OHX	Lawrence, Lewis, Perry, Wayne	3 hr
Oct 13, 9:37 PM CDT	Flash Flood Warning	OHX	Hickman, Lewis, Maury	113 min
Oct 13, 9:38 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford, Wilson	37 min
Oct 13, 11:29 PM CDT	Special Weather Statement	OHX	Cannon, Coffee, Grundy, Warren	46 min
Oct 14, 12:00 AM CDT	Special Weather Statement	OHX	Overton, Putnam, Van Buren, Warren, White	45 min
Oct 14, 12:25 AM CDT	Special Weather Statement	OHX	Clay, Jackson	20 min
Oct 14, 12:42 AM CDT	Special Weather Statement	OHX	Clay, Cumberland, Fentress, Overton, Pickett, White	48 min
Oct 14, 1:28 AM CDT	Special Weather Statement	OHX	Cumberland, Fentress, Pickett	32 min
Oct 14, 4:45 AM CDT	River Flood Advisory	OHX	Bedford	12 hr
Oct 14, 10:57 AM CDT	River Flood Advisory	OHX	Hickman	68 hr
Oct 14, 11:02 AM CDT	River Flood Advisory	OHX	Maury	34 hr
Oct 14, 1:18 PM CDT	Areal Flood Warning	OHX	Rutherford	6 hr
Oct 14, 4:26 PM CDT	River Flood Advisory	OHX	Perry	5 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.