Alert archive / Tennessee / Special Weather Statements in 2018

Special Weather Statement, NWS Nashville, TN

July 5, 2018Maury County, Tennessee

NWS Nashville, TN issued this special weather statement at Jul 5, 2018, 6:45 PM CDT for Maury County, Tennessee. It was in force for 45 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 5, 2018, 6:45 PM CDT (23:45 UTC)
Expired: Jul 5, 2018, 7:30 PM CDT
In force: 45 min
Issued by: NWS Nashville, TN

County Maury County, TN

The radar

The Nashville radar (KOHX), 87 km from the middle of the area, began a volume at 23:47 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 12:00Z, 11.8 hours before the alert went out and 76 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: 347 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1409 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 105 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 Nashville, TN wrote its last area forecast discussion before this special weather statement went out at Jul 5, 6:25 PM CDT, 20 minutes earlier.

Area forecast discussion, Jul 5, 6:25 PM CDT, 20 minutes before

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Hazardous weather outlook, Jul 5, 5:00 AM CDT, 13 hours 45 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
500 AM CDT Thu Jul 5 2018

TNZ005>011-023>034-056>066-075-077>080-093>095-061000-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-
Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-
Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-
Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
500 AM CDT Thu Jul 5 2018

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

A Heat Advisory is in effect again today for the Nashville Metro
area and locations to the west, including Clarksville, Dickson,
Waverly, and Centerville. Heat index values will reach 105 to 110 in
the advisory area. For most other locations in Middle Tennessee,
heat index values are expected to range from 100 to 105.

A couple of thunderstorms could become strong today, with gusty
winds, heavy downpours, and frequent lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are likely Friday, and some of the thunderstorms
could be strong with gusty winds and frequent lightning. Heavy
downpours may cause some localized flash flooding.

.SPOTTER INFORMATION STATEMENT...

Storm spotters should report any severe weather or flooding to the
National Weather Service in Nashville.

13

In the hours before

Special weather statement, Jul 5, 6:21 PM CDT, 24 minutes before

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Local storm report, Jul 5, 6:29 PM CDT, 16 minutes before

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Special weather statement, Jul 5, 6:33 PM CDT, 12 minutes before

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Special weather statement, Jul 5, 6:35 PM CDT, 10 minutes before

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Local storm report, Jul 5, 6:40 PM CDT, 5 minutes before

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Special weather statement, Jul 5, 6:45 PM 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
Jul 4, 7:33 PM CDT	Special Weather Statement	OHX	Lawrence	42 min
Jul 4, 8:03 PM CDT	Special Weather Statement	OHX	Wayne	42 min
Jul 4, 8:43 PM CDT	Special Weather Statement	OHX	Wayne	32 min
Jul 5, 1:39 AM CDT	Special Weather Statement	OHX	Cheatham	36 min
Jul 5, 2:12 AM CDT	Special Weather Statement	OHX	Montgomery	33 min
Jul 5, 3:14 AM CDT	Heat Advisory	OHX	Cheatham, Davidson, Dickson, Hickman, Houston, Humphreys and 11 more	17 hr
Jul 5, 3:44 PM CDT	Special Weather Statement	OHX	Giles	31 min
Jul 5, 3:55 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	35 min
Jul 5, 4:07 PM CDT	Special Weather Statement	OHX	Montgomery	53 min
Jul 5, 4:27 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	48 min
Jul 5, 4:59 PM CDT	Special Weather Statement	OHX	Montgomery	31 min
Jul 5, 5:04 PM CDT	Special Weather Statement	OHX	Coffee, Grundy	41 min
Jul 5, 5:09 PM CDT	Special Weather Statement	OHX	Wayne	51 min
Jul 5, 5:22 PM CDT	Special Weather Statement	OHX	Houston, Stewart	38 min
Jul 5, 5:41 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	24 min
Jul 5, 5:51 PM CDT	Special Weather Statement	OHX	Van Buren	39 min
Jul 5, 5:58 PM CDT	Severe Thunderstorm Warning	OHX	Grundy, Warren	32 min
Jul 5, 6:13 PM CDT	Areal Flood Advisory	OHX	Grundy, Van Buren, Warren	2 hr
Jul 5, 6:21 PM CDT	Special Weather Statement	OHX	Maury	24 min
Jul 5, 6:33 PM CDT	Special Weather Statement	OHX	Stewart	27 min
Jul 5, 6:35 PM CDT	Special Weather Statement	OHX	Van Buren, Warren	40 min
Jul 5, 6:56 PM CDT	Special Weather Statement	OHX	Stewart	34 min

Nearby

Special Weather Statements in Tennessee, 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.