Alert archive / Tennessee / Special Weather Statements in 2022

Special Weather Statement, NWS Nashville, TN

August 7, 2022Marshall County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 7, 2022, 3:42 PM CDT for Marshall County, Tennessee. It was in force for 48 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 7, 2022, 3:42 PM CDT (20:42 UTC)
Expired: Aug 7, 2022, 4:30 PM CDT
In force: 48 min
Issued by: NWS Nashville, TN
Hail: 0.25 in
Wind: 40

County Marshall County, TN

The radar

The Northeast Alabama radar (KHTX), 81 km from the middle of the area, began a volume at 20:45 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, 8.7 hours before the alert went out and 89 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: 608 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 945 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 7, 3:24 PM CDT, 18 minutes earlier.

Area forecast discussion, Aug 7, 3:24 PM CDT, 18 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 7, 2:19 AM CDT, 13 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
219 AM CDT Sun Aug 7 2022

TNZ005>011-023>034-056>066-075-077>080-093>095-080730-
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-
219 AM CDT Sun Aug 7 2022

This Hazardous Weather Outlook is for Middle Tennessee.

.DAY ONE...Today and tonight.

A few slow-moving storms could produce heavy rain leading to minor
localized flooding. In addition, a few storms could produce isolated
damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

A few slow-moving storms could produce heavy rain leading to minor
localized flooding each day through Wednesday. In addition, a few
storms could produce isolated damaging wind gusts through Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

10

In the hours before

Special weather statement, Aug 7, 12:58 PM CDT, 2 hours 44 minutes before

Special Weather Statement
National Weather Service Nashville TN
1258 PM CDT Sun Aug 7 2022

TNZ025-057-059-071845-
Hickman TN-Williamson TN-Dickson TN-
1258 PM CDT Sun Aug 7 2022

...A strong thunderstorm will impact portions of south central
Dickson, west central Williamson and northeastern Hickman Counties
through 145 PM CDT...

At 1258 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Burns, or 9 miles south of Dickson, moving northeast
at 5 mph.

HAZARD...Winds in excess of 30 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Dickson, Burns, Fairview, Primm Springs, Lyles and Bon Aqua.

This includes the following highways...
 Interstate 40 between mile markers 169 and 178.
 Interstate 840 between mile markers 1 and 11.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3607 8736 3597 8709 3584 8718 3585 8721
      3585 8722 3580 8722 3579 8723 3591 8746
TIME...MOT...LOC 1758Z 228DEG 5KT 3594 8732

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH

Adcock

Special weather statement, Aug 7, 1:17 PM CDT, 2 hours 25 minutes before

Special Weather Statement
National Weather Service Nashville TN
117 PM CDT Sun Aug 7 2022

TNZ027-071900-
Davidson TN-
117 PM CDT Sun Aug 7 2022

...A strong thunderstorm will impact portions of central Davidson
County through 200 PM CDT...

At 116 PM CDT, Doppler radar was tracking a strong thunderstorm over
Nashville, moving east at 10 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Nashville, Madison, Goodlettsville and Whites Creek.

Music City Grand Prix will also be impacted.

This includes the following highways...
 Interstate 40 between mile markers 203 and 211.
 Interstate 65 between mile markers 85 and 93.
 Interstate 24 between mile markers 39 and 49.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3612 8686 3621 8694 3634 8677 3619 8662
TIME...MOT...LOC 1816Z 248DEG 9KT 3620 8680

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

Adcock

Special weather statement, Aug 7, 1:29 PM CDT, 2 hours 13 minutes before

Special Weather Statement
National Weather Service Nashville TN
129 PM CDT Sun Aug 7 2022

TNZ027-071915-
Davidson TN-
129 PM CDT Sun Aug 7 2022

...A strong thunderstorm will impact portions of southeastern
Davidson County through 215 PM CDT...

At 128 PM CDT, Doppler radar was tracking a strong thunderstorm near
Nashville, moving southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Nashville, La Vergne, Oak Hill, Hermitage, Antioch, Berry Hill and
Percy Priest Lake.

Music City Grand Prix will also be impacted.

This includes the following highways...
 Interstate 40 between mile markers 206 and 222.
 Interstate 65 between mile markers 78 and 90.
 Interstate 24 between mile markers 47 and 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

&&

LAT...LON 3627 8669 3616 8656 3614 8656 3614 8654
      3613 8653 3611 8654 3610 8652 3606 8653
      3608 8653 3609 8655 3607 8655 3606 8656
      3603 8656 3599 8668 3601 8673 3620 8685
TIME...MOT...LOC 1828Z 312DEG 14KT 3616 8671

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Adcock

Special weather statement, Aug 7, 3:03 PM CDT, 39 minutes before

Special Weather Statement
National Weather Service Nashville TN
303 PM CDT Sun Aug 7 2022

TNZ058-060-061-094-095-072045-
Lawrence TN-Lewis TN-Maury TN-Giles TN-Marshall TN-
303 PM CDT Sun Aug 7 2022

...Strong thunderstorms will impact portions of southeastern Lewis,
northwestern Marshall, northeastern Lawrence, Maury and northern
Giles Counties through 345 PM CDT...

At 303 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Spring Hill to near Lawrenceburg. Movement
was east at 20 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Columbia, Lawrenceburg, Spring Hill, Mount Pleasant, Summertown,
Ethridge, Lynnville, Henryville, Culleoka, Hampshire, Williamsport
and I-65 East Of Columbia.

This includes Interstate 65 between mile markers 27 and 50.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3529 8751 3570 8727 3571 8680 3570 8677
      3571 8677 3571 8676 3570 8676 3570 8675
      3571 8674 3570 8674 3571 8673 3571 8669
      3529 8693
TIME...MOT...LOC 2003Z 256DEG 16KT 3567 8693 3528 8733

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Barnwell

Special weather statement, Aug 7, 3:42 PM CDT, 0 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 7:26 PM CDT	Special Weather Statement	OHX	Marshall	49 min
Aug 6, 7:40 PM CDT	Special Weather Statement	OHX	Cumberland	50 min
Aug 6, 8:47 PM CDT	Special Weather Statement	OHX	Maury	43 min
Aug 7, 12:58 PM CDT	Special Weather Statement	OHX	Hickman	47 min
Aug 7, 1:17 PM CDT	Special Weather Statement	OHX	Davidson	43 min
Aug 7, 1:29 PM CDT	Special Weather Statement	OHX	Davidson	46 min
Aug 7, 1:34 PM CDT	Areal Flood Advisory	OHX	Dickson, Hickman, Williamson	3 hr
Aug 7, 2:09 PM CDT	Areal Flood Advisory	OHX	Davidson, Sumner, Wilson	2 hr
Aug 7, 2:27 PM CDT	Areal Flood Advisory	OHX	Cumberland	2 hr
Aug 7, 3:03 PM CDT	Special Weather Statement	OHX	Maury	42 min
Aug 7, 3:08 PM CDT	Areal Flood Advisory	OHX	Giles, Lawrence, Lewis, Maury	112 min
Aug 7, 4:24 PM CDT	Areal Flood Advisory	OHX	Bedford	3 hr
Aug 7, 4:30 PM CDT	Special Weather Statement	OHX	Bedford, Coffee	45 min
Aug 7, 5:27 PM CDT	Areal Flood Advisory	OHX	Putnam	2 hr

Nearby

Special Weather Statements in Tennessee, 2022 Every special weather statement in 2022

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.