Alert archive / Tennessee / Special Weather Statements in 2026

Special Weather Statement, NWS Nashville, TN

August 7, 2026Overton County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 7, 2026, 3:03 PM CDT for Overton County, Tennessee. It was in force for 42 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, 2026, 3:03 PM CDT (20:03 UTC)
Expired
Aug 7, 2026, 3:45 PM CDT
In force
42 min
Issued by
NWS Nashville, TN
Hail
0.25 in
Wind
40

County Overton County, TN

The radar

The Nashville radar (KOHX), 119 km from the middle of the area, began a volume at 20:04 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, 8.1 hours before the alert went out and 126 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2026-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1401 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2026-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1401 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 7, 12:20 PM CDT, 2 hours 43 minutes earlier. Its key messages:

  • Updated at 1218 PM CDT Fri Aug 7 2026
  • Scattered afternoon/early evening showers and storms each day. Low coverage west of I-65 with medium coverage east of I-65.
  • No severe weather is expected, but any storm has the potential to produce gusty winds around 40 mph and heavy downpours causing local flash flooding.
  • Heat Index values in the upper 90 to low 100s each afternoon, potentially a touch warmer Monday and Tuesday.
Area forecast discussion, Aug 7, 12:20 PM CDT, 2 hours 43 minutes before
Area Forecast Discussion
National Weather Service Nashville TN
1220 PM CDT Fri Aug 7 2026

...New AVIATION...

.KEY MESSAGES...
Updated at 1218 PM CDT Fri Aug 7 2026

- Scattered afternoon/early evening showers and storms each day.
  Low coverage west of I-65 with medium coverage east of I-65.

- No severe weather is expected, but any storm has the potential
  to produce gusty winds around 40 mph and heavy downpours
  causing local flash flooding.

- Heat Index values in the upper 90 to low 100s each afternoon,
  potentially a touch warmer Monday and Tuesday.

&&

.SHORT TERM...
(Rest of today through Saturday)
Issued at 1100 AM CDT Fri Aug 7 2026

Our copy-paste weather button is getting worn out. Once again we
will see scattered showers and a few storms bubble up through the
afternoon. Most of us will not see any rain at all while a few of
us will get more than we want. Other than the possibility of
localized flooding in a spot or two, the storms will be gusty but
below severe levels. As usual, most of the storms will die off
with sunset and lead to patchy fog in the late night hours. The
afternoon will bring typical August heat and humidity and the
night will be muggy.

For Saturday, things will change slightly. A shortwave trough
coming from the west will help initiate scattered showers and
storms distributed across the entire area. This is a change from
recent days when storms were focused mostly over our southern and
eastern counties. Main impacts will be gusty winds 40 to 50 mph,
lightning, and local heavy downpours. Most outdoor events should
be ok to proceed as scheduled, but plans should be in place for
sheltering from passing storms.

&&

.LONG TERM...
(Saturday Night through next Friday)
Issued at 1100 AM CDT Fri Aug 7 2026

A strong Bermuda high will be centered off to our east with
another strong high centered over the southwest states. These high
pressure systems will bridge over our area bringing slightly
hotter temperatures and lower rain chances for Sunday through at
least Tuesday. Rain chances will be in the 10 to 30 percent range
while temperatures warm into the low to mid 90s for areas west of
the Plateau. Heat risk will climb solidly into the "Major" level,
which is level 3 out of 4. It is uncertain if heat headlines will
be posted, but Monday and Tuesday look like the days with
greatest chances for heat index values topping 105 in parts of
the Mid State.

Later in the week, the "bridge" between the high pressure centers
will flatten out, allowing temps to back off slightly as daily
shower and storm chances increase. This means generally typical
August heat and humidity with 30 to 50 percent rain chances.

&&

.AVIATION...
(18Z TAFS)
Issued at 1218 PM CDT Fri Aug 7 2026

Convective cells are already starting to fire up along the
Cumberland Plateau, so we've included TEMPO TS/CBs for KCSV,
PROB30 at KSRB, where probabilities are a little less. Remainder
of the TAFs are VFR thru 18Z tomorrow. Storm chances are a little
greater tomorrow afternoon, so we've included PROB30 TS/CBs for
BNA after 18Z.

&&

.PRELIMINARY POINT TEMPS/POPS...
Nashville      74  92  74  93 /  20  30  20  20
Clarksville    73  92  72  94 /  20  20  20  10
Crossville     67  85  68  87 /  20  50  20  40
Columbia       72  92  73  93 /  20  40  20  30
Cookeville     70  86  70  88 /  20  40  20  30
Jamestown      69  86  69  87 /  20  40  20  30
Lawrenceburg   71  90  72  91 /  20  40  20  30
Murfreesboro   72  92  73  93 /  20  40  20  20
Waverly        72  91  72  93 /  30  30  20  10

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
None.
&&

SHORT TERM...13
LONG TERM....13
AVIATION.....Rose

In the hours before

Special weather statement, Aug 7, 11:54 AM CDT, 3 hours 9 minutes before
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Special weather statement, Aug 7, 12:30 PM CDT, 2 hours 33 minutes before
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Special weather statement, Aug 7, 1:29 PM CDT, 1 hour 34 minutes before
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Special weather statement, Aug 7, 2:30 PM CDT, 33 minutes before
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Special weather statement, Aug 7, 3:03 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 11:54 AM CDTSpecial Weather StatementOHXVan Buren51 min
Aug 7, 12:30 PM CDTSpecial Weather StatementOHXVan Buren45 min
Aug 7, 1:29 PM CDTSpecial Weather StatementOHXRutherford46 min
Aug 7, 2:30 PM CDTSpecial Weather StatementOHXJackson45 min
Aug 7, 3:27 PM CDTSpecial Weather StatementOHXDeKalb48 min
Aug 7, 4:01 PM CDTSpecial Weather StatementOHXDeKalb44 min
Aug 7, 4:47 PM CDTSpecial Weather StatementOHXVan Buren, Warren43 min
Aug 7, 4:51 PM CDTSpecial Weather StatementOHXRutherford39 min
Aug 7, 5:06 PM CDTSpecial Weather StatementOHXDavidson39 min
Aug 7, 5:08 PM CDTSevere Thunderstorm WarningOHXDavidson, Rutherford, Williamson34 min
Aug 7, 5:19 PM CDTSpecial Weather StatementOHXWilson41 min
Aug 7, 5:22 PM CDTFlash Flood WarningOHXDavidson, Rutherford, Williamson, Wilson4 hr
Aug 7, 6:51 PM CDTSpecial Weather StatementOHXRutherford, Williamson39 min
Aug 7, 6:55 PM CDTSpecial Weather StatementOHXLawrence50 min

Nearby

Special Weather Statements in Tennessee, 2026Every special weather statement in 2026

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.