Alert archive / Tennessee / Special Weather Statements in 2017

Special Weather Statement, NWS Nashville, TN

July 1, 2017Stewart County, Tennessee

NWS Nashville, TN issued this special weather statement at Jul 1, 2017, 2:49 PM CDT for Stewart County, Tennessee. It was in force for 26 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 1, 2017, 2:49 PM CDT (19:49 UTC)
Expired: Jul 1, 2017, 3:15 PM CDT
In force: 26 min
Issued by: NWS Nashville, TN

County Stewart County, TN

The radar

The Ft Campbell radar (KHPX), 46 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 100 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: 324 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1038 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 1, 1:43 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jul 1, 1:43 PM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, Jul 1, 5:31 AM CDT, 9 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
531 AM CDT Sat Jul 1 2017

TNZ005>011-023>034-056>066-075-077>080-093>095-021045-
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-
531 AM CDT Sat Jul 1 2017

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

There is a marginal to slight risk of severe thunderstorms today
across the southeast half of Middle Tennessee, generally along and
south of a line from Waynesboro to Gallatin. Scattered
thunderstorms are expected to develop and spread across Middle
Tennessee today, and some storms may become strong to possibly
severe with damaging winds and hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

Spotter Thunderstorm Reporting Criteria
Tornado
Funnel Cloud
Flooding
Hail >= 1/2 inch
Winds > 50 MPH (Measured)
Structural Damage

Shamburger

In the hours before

Special weather statement, Jul 1, 12:58 PM CDT, 1 hour 51 minutes before

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Special weather statement, Jul 1, 1:03 PM CDT, 1 hour 46 minutes before

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Local storm report, Jul 1, 1:11 PM CDT, 1 hour 38 minutes before

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Special weather statement, Jul 1, 1:43 PM CDT, 1 hour 6 minutes before

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Special weather statement, Jul 1, 1:55 PM CDT, 54 minutes before

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Special weather statement, Jul 1, 2:49 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 1, 12:10 PM CDT	Special Weather Statement	OHX	Bedford	50 min
Jul 1, 12:23 PM CDT	Special Weather Statement	OHX	Coffee	37 min
Jul 1, 12:26 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Warren	34 min
Jul 1, 12:58 PM CDT	Special Weather Statement	OHX	Bedford	32 min
Jul 1, 1:03 PM CDT	Special Weather Statement	OHX	Grundy	42 min
Jul 1, 1:43 PM CDT	Special Weather Statement	OHX	Coffee, Grundy	47 min
Jul 1, 1:55 PM CDT	Special Weather Statement	OHX	Montgomery, Stewart	50 min
Jul 1, 3:19 PM CDT	Special Weather Statement	OHX	Robertson	26 min
Jul 1, 3:35 PM CDT	Special Weather Statement	OHX	Jackson, Smith	25 min
Jul 1, 3:39 PM CDT	Special Weather Statement	OHX	Clay, Pickett	36 min
Jul 1, 4:07 PM CDT	Special Weather Statement	OHX	Davidson, Wilson	38 min
Jul 1, 4:10 PM CDT	Special Weather Statement	OHX	Jackson, Overton, Smith	50 min
Jul 1, 4:25 PM CDT	Special Weather Statement	OHX	Fentress, Overton, Pickett	50 min
Jul 1, 4:31 PM CDT	Special Weather Statement	OHX	Hickman	44 min
Jul 1, 4:53 PM CDT	Special Weather Statement	OHX	Putnam, White	52 min
Jul 1, 5:07 PM CDT	Special Weather Statement	OHX	Williamson	53 min
Jul 1, 5:11 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Williamson	34 min
Jul 1, 5:34 PM CDT	Special Weather Statement	OHX	Cumberland, Van Buren, Warren	41 min
Jul 1, 5:41 PM CDT	Special Weather Statement	OHX	Williamson	34 min

Nearby

Special Weather Statements in Tennessee, 2017 Every special weather statement in 2017

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.