Alert archive / Tennessee / Special Weather Statements in 2017

Special Weather Statement, NWS Nashville, TN

August 4, 2017Rutherford County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 4, 2017, 2:51 PM CDT for Rutherford County, Tennessee. It was in force for 24 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 4, 2017, 2:51 PM CDT (19:51 UTC)
Expired: Aug 4, 2017, 3:15 PM CDT
In force: 24 min
Issued by: NWS Nashville, TN

County Rutherford County, TN

The radar

The Nashville radar (KOHX), 24 km from the middle of the area, began a volume at 19:50 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, 7.9 hours before the alert went out and 12 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: 955 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 947 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.2

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 Aug 4, 12:09 PM CDT, 2 hours 42 minutes earlier.

Area forecast discussion, Aug 4, 12:09 PM CDT, 2 hours 42 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 4, 4:54 AM CDT, 9 hours 57 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
454 AM CDT Fri Aug 4 2017

TNZ005>011-023>034-056>066-075-077>080-093>095-051000-
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-
454 AM CDT Fri Aug 4 2017

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

A few strong to severe storms will be possible this afternoon
across all of Middle Tennessee. Strong wind gusts will be the main
threat.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Strong storms will also be possible on Sunday across all of
Middle Tennessee. Strong wind gusts will be the main threat should
stronger storms develop in the afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Aug 4, 2:51 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Nashville TN
251 PM CDT FRI AUG 4 2017

TNZ027-028-062-042015-
Rutherford TN-Davidson TN-Wilson TN-
251 PM CDT FRI AUG 4 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DAVIDSON...
NORTHWESTERN RUTHERFORD AND SOUTHWESTERN WILSON COUNTIES UNTIL 315 PM
CDT...

At 251 PM CDT, the public reported a strong thunderstorm over
Antioch, or 8 miles southeast of Nashville, moving east at 30 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Murfreesboro, Smyrna, La Vergne, Oak Hill, Walterhill, Rural Hill,
Antioch, Cedars Of Lebanon State Park, Percy Priest Lake and
Gladeville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3613 8626 3587 8633 3596 8663 3597 8662
      3598 8667 3601 8671 3601 8673 3604 8678
      3618 8674
TIME...MOT...LOC 1951Z 283DEG 27KT 3608 8669

Rose

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 3:33 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	27 min
Aug 4, 3:51 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	24 min
Aug 4, 4:16 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale, Wilson	29 min
Aug 4, 4:27 PM CDT	Special Weather Statement	OHX	Cumberland, DeKalb, White	48 min
Aug 4, 4:28 PM CDT	Special Weather Statement	OHX	Cannon, Warren	47 min
Aug 4, 5:02 PM CDT	Special Weather Statement	OHX	Cumberland, White	43 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.