Alert archive / Tennessee / Special Weather Statements in 2019

Special Weather Statement, NWS Nashville, TN

August 7, 2019Marshall County, Maury County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 7, 2019, 3:36 PM CDT for Marshall County, Maury County, Tennessee. It was in force for 39 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, 2019, 3:36 PM CDT (20:36 UTC)
Expired: Aug 7, 2019, 4:15 PM CDT
In force: 39 min
Issued by: NWS Nashville, TN

Counties Marshall County, TN, Maury County, TN

The radar

The Nashville radar (KOHX), 87 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 74 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: 387 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 929 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 7, 3:03 PM CDT, 33 minutes earlier.

Area forecast discussion, Aug 7, 3:03 PM CDT, 33 minutes before

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Hazardous weather outlook, Aug 7, 1:37 PM CDT, 1 hour 59 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
137 PM CDT Wed Aug 7 2019

TNZ005>011-023>034-056>066-075-077>080-093>095-081000-
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-
137 PM CDT Wed Aug 7 2019

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...This Afternoon and Tonight

Storms are possible this afternoon south of I-40, a few of which
could become strong with winds of 40 to 50 mph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

More thunderstorms are possible on Friday for all of Middle TN.
Heavy rainfall could lead to localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Aug 7, 2:49 PM CDT, 47 minutes before

Special Weather Statement
National Weather Service Nashville TN
249 PM CDT Wed Aug 7 2019

TNZ060-061-075-072030-
Bedford TN-Maury TN-Marshall TN-
249 PM CDT Wed Aug 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR MARSHALL...MAURY AND WEST CENTRAL
BEDFORD COUNTIES UNTIL 330 PM CDT...

At 248 PM CDT, Doppler radar was tracking a strong thunderstorm near
Columbia, moving southeast at 25 mph.

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

Locations impacted include...
Columbia, Lewisburg, Spring Hill, Mount Pleasant, Chapel Hill,
Cornersville, Santa Fe, Culleoka, I-65 East Of Columbia and
Farmington.

This includes Interstate 65 between mile markers 23 and 50.

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.

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 3532 8685 3530 8686 3533 8691 3534 8690
      3534 8691 3535 8691 3535 8692 3541 8693
      3542 8698 3541 8699 3542 8702 3543 8703
      3543 8706 3557 8727 3578 8712 3560 8659
      3529 8683
TIME...MOT...LOC 1948Z 296DEG 20KT 3562 8711

Rose

Special weather statement, Aug 7, 2:53 PM CDT, 43 minutes before

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Special weather statement, Aug 7, 3:06 PM CDT, 30 minutes before

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Special weather statement, Aug 7, 3:36 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
Aug 6, 7:06 PM CDT	Areal Flood Advisory	OHX	Robertson	3 hr
Aug 6, 7:14 PM CDT	Special Weather Statement	OHX	Houston, Montgomery, Robertson, Stewart	46 min
Aug 6, 7:26 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson, Sumner	34 min
Aug 6, 7:54 PM CDT	Special Weather Statement	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Stewart	66 min
Aug 6, 7:56 PM CDT	Special Weather Statement	OHX	Davidson, Macon, Smith, Sumner, Trousdale, Wilson	64 min
Aug 6, 7:58 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner, Wilson	47 min
Aug 6, 8:34 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Davidson, Rutherford, Williamson, Wilson	41 min
Aug 6, 8:37 PM CDT	Special Weather Statement	OHX	Hickman, Williamson	53 min
Aug 6, 8:46 PM CDT	Special Weather Statement	OHX	DeKalb, Jackson, Overton, Putnam, Smith, White	59 min
Aug 6, 9:02 PM CDT	Special Weather Statement	OHX	Hickman, Lewis, Marshall, Maury	43 min
Aug 6, 9:07 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Marshall, Rutherford, Warren and 1 more	38 min
Aug 6, 9:13 PM CDT	Special Weather Statement	OHX	Hickman, Humphreys, Lewis, Perry	47 min
Aug 6, 9:39 PM CDT	Special Weather Statement	OHX	Bedford, Giles, Lawrence, Lewis, Marshall, Maury	66 min
Aug 6, 9:43 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Marshall, Rutherford	47 min
Aug 6, 9:45 PM CDT	Special Weather Statement	OHX	Cannon, Coffee, Grundy, Van Buren, Warren	60 min
Aug 6, 10:06 PM CDT	Special Weather Statement	OHX	Lewis, Perry, Wayne	54 min
Aug 6, 10:38 PM CDT	Special Weather Statement	OHX	Giles, Lawrence, Lewis	67 min
Aug 6, 10:59 PM CDT	Special Weather Statement	OHX	Lawrence, Perry, Wayne	61 min
Aug 7, 12:02 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	43 min
Aug 7, 12:07 AM CDT	Areal Flood Advisory	OHX	Wayne	113 min
Aug 7, 12:40 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Wayne	23 min
Aug 7, 2:49 PM CDT	Special Weather Statement	OHX	Marshall, Maury	41 min
Aug 7, 2:53 PM CDT	Special Weather Statement	OHX	Hickman	52 min
Aug 7, 3:06 PM CDT	Special Weather Statement	OHX	Coffee, Grundy	39 min
Aug 7, 3:32 PM CDT	Areal Flood Advisory	OHX	Marshall, Maury	118 min
Aug 7, 4:01 PM CDT	Special Weather Statement	OHX	Bedford	29 min
Aug 7, 4:21 PM CDT	Special Weather Statement	OHX	Giles	24 min
Aug 7, 4:28 PM CDT	Special Weather Statement	OHX	Bedford	47 min
Aug 7, 4:32 PM CDT	Areal Flood Advisory	OHX	Giles, Marshall, Maury	118 min

Nearby

Special Weather Statements in Tennessee, 2019 Every special weather statement in 2019

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.