Alert archive / Tennessee / Special Weather Statements in 2018

Special Weather Statement, NWS Nashville, TN

June 28, 20184 counties in Tennessee

NWS Nashville, TN issued this special weather statement at Jun 28, 2018, 2:06 AM CDT for 4 counties in Tennessee. It was in force for 54 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: Jun 28, 2018, 2:06 AM CDT (07:06 UTC)
Expired: Jun 28, 2018, 3:00 AM CDT
In force: 54 min
Issued by: NWS Nashville, TN

Counties Clay County, TN, Fentress County, TN, Overton County, TN, Pickett County, TN

The radar

The Knoxville radar (KMRX), 137 km from the middle of the area, began a volume at 07:05 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 00:00Z, 7.1 hours before the alert went out and 153 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: 1176 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 1257 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 6.0

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 Jun 27, 11:32 PM CDT, 2 hours 34 minutes earlier.

Area forecast discussion, Jun 27, 11:32 PM CDT, 2 hours 34 minutes before

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Hazardous weather outlook, Jun 27, 8:14 AM CDT, 17 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
814 AM CDT Wed Jun 27 2018

TNZ005>011-023>034-056>066-075-077>080-093>095-281130-
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-
814 AM CDT Wed Jun 27 2018

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

A few strong to severe thunderstorms will be possible across
Middle Tennessee mainly this afternoon, then again late tonight.
The main concern with any strong to severe thunderstorms that do
develop will be strong to damaging winds. Minor flooding is also
possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Local storm report, Jun 27, 8:49 PM CDT, 5 hours 17 minutes before

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Special weather statement, Jun 27, 10:21 PM CDT, 3 hours 45 minutes before

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Special weather statement, Jun 27, 11:00 PM CDT, 3 hours 6 minutes before

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Special weather statement, Jun 28, 2:06 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Nashville TN
206 AM CDT THU JUN 28 2018

TNZ010-011-031>034-280800-
Putnam TN-Fentress TN-Overton TN-Pickett TN-Clay TN-Jackson TN-
206 AM CDT THU JUN 28 2018

...SIGNIFICANT WEATHER ADVISORY FOR OVERTON...PICKETT...NORTHEASTERN
JACKSON...CLAY...EAST CENTRAL PUTNAM AND FENTRESS COUNTIES UNTIL 300
AM CDT...

At 206 AM CDT, Doppler radar was tracking strong thunderstorms over
Celina, moving southeast at 35 mph.

Half inch hail will be possible with these storm.

Locations impacted include...
Livingston, Jamestown, Celina, Byrdstown, Monterey, Allardt,
Grimsley, Moss, Rickman, Pall Mall, Crawford, Dale Hollow Lake,
Pickett State Park and Standing Stone State Park.

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 3639 8469 3637 8470 3638 8472 3637 8473
      3635 8473 3635 8474 3634 8474 3633 8477
      3630 8479 3629 8484 3629 8487 3626 8488
      3610 8520 3610 8524 3609 8525 3628 8543
      3661 8578 3660 8479 3640 8466
TIME...MOT...LOC 0706Z 329DEG 31KT 3658 8548

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 7:55 PM CDT	Areal Flood Advisory	OHX	Coffee, Grundy, Van Buren, Warren	3 hr
Jun 27, 10:21 PM CDT	Special Weather Statement	OHX	Sumner	24 min
Jun 27, 11:00 PM CDT	Special Weather Statement	OHX	Macon, Trousdale	30 min
Jun 28, 3:11 AM CDT	Special Weather Statement	OHX	Clay, Cumberland, Fentress, Overton, Pickett	94 min
Jun 28, 4:24 AM CDT	Areal Flood Advisory	OHX	Clay, Fentress, Overton, Pickett	2 hr
Jun 28, 5:21 AM CDT	Special Weather Statement	OHX	Fentress, Pickett	39 min
Jun 28, 6:06 AM CDT	Special Weather Statement	OHX	Fentress	24 min
Jun 28, 6:25 AM CDT	Flash Flood Warning	OHX	Fentress, Pickett	2 hr
Jun 28, 7:35 AM CDT	Special Weather Statement	OHX	Cumberland, Putnam, White	40 min
Jun 28, 8:30 AM CDT	Special Weather Statement	OHX	Van Buren	45 min
Jun 28, 9:00 AM CDT	Special Weather Statement	OHX	Rutherford	30 min
Jun 28, 9:11 AM CDT	Special Weather Statement	OHX	Montgomery	34 min
Jun 28, 9:32 AM CDT	Special Weather Statement	OHX	Williamson	28 min
Jun 28, 9:39 AM CDT	Special Weather Statement	OHX	Dickson	36 min
Jun 28, 9:39 AM CDT	Severe Thunderstorm Warning	OHX	Marshall, Rutherford, Williamson	36 min
Jun 28, 9:47 AM CDT	Special Weather Statement	OHX	Davidson, Williamson	43 min
Jun 28, 10:09 AM CDT	Areal Flood Advisory	OHX	Williamson	2 hr
Jun 28, 10:11 AM CDT	Special Weather Statement	OHX	Dickson	34 min
Jun 28, 10:17 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	43 min
Jun 28, 10:37 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Maury, Rutherford, Williamson	38 min
Jun 28, 10:55 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Marshall, Maury	65 min
Jun 28, 10:59 AM CDT	Special Weather Statement	OHX	Bedford	31 min
Jun 28, 11:19 AM CDT	Special Weather Statement	OHX	Dickson	26 min
Jun 28, 11:22 AM CDT	Special Weather Statement	OHX	Houston, Montgomery, Stewart	38 min
Jun 28, 11:44 AM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	46 min
Jun 28, 11:48 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall, Maury	42 min
Jun 28, 12:03 PM CDT	Special Weather Statement	OHX	Dickson, Maury	42 min
Jun 28, 12:07 PM CDT	Flash Flood Watch	OHX	Bedford, Coffee, Dickson, Giles, Hickman, Houston and 8 more	3 hr
Jun 28, 12:11 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys	49 min
Jun 28, 12:18 PM CDT	Areal Flood Advisory	OHX	Houston, Humphreys, Stewart	117 min
Jun 28, 12:18 PM CDT	Special Weather Statement	OHX	Montgomery	27 min
Jun 28, 12:23 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall	52 min
Jun 28, 12:27 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Lewis, Perry	33 min
Jun 28, 12:39 PM CDT	Areal Flood Advisory	OHX	Dickson, Hickman, Houston, Humphreys, Williamson	3 hr
Jun 28, 12:43 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Hickman, Lawrence, Lewis, Maury, Williamson	32 min
Jun 28, 1:00 PM CDT	Special Weather Statement	OHX	Cheatham, Davidson, Montgomery, Robertson, Williamson	45 min
Jun 28, 1:09 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Marshall, Maury	66 min
Jun 28, 1:43 PM CDT	Special Weather Statement	OHX	Davidson, Robertson, Rutherford, Sumner	62 min
Jun 28, 1:49 PM CDT	Areal Flood Advisory	OHX	Bedford, Giles, Hickman, Lawrence, Lewis, Marshall and 3 more	116 min
Jun 28, 2:11 PM CDT	Special Weather Statement	OHX	Bedford, Coffee, Grundy, Warren	64 min
Jun 28, 2:20 PM CDT	Heat Advisory	OHX	Dickson, Hickman, Houston, Humphreys, Lawrence, Lewis and 4 more	53 hr

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.