Alert archive / Tennessee / Special Weather Statements in 2018

Special Weather Statement, NWS Nashville, TN

June 11, 2018Bledsoe County, Tennessee

NWS Nashville, TN issued this special weather statement at Jun 11, 2018, 2:00 PM CDT for Bledsoe County, Tennessee. It was in force for 30 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 11, 2018, 2:00 PM CDT (19:00 UTC)
Expired
Jun 11, 2018, 2:30 PM CDT
In force
30 min
Issued by
NWS Nashville, TN

County Bledsoe County, TN

The radar

The Northeast Alabama radar (KHTX), 120 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 130 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 2018-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 694 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 2018-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
694 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
50 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 Jun 11, 12:26 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Jun 11, 12:26 PM CDT, 1 hour 34 minutes before
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Hazardous weather outlook, Jun 11, 5:05 AM CDT, 8 hours 55 minutes before
Hazardous Weather Outlook
National Weather Service Nashville TN
505 AM CDT Mon Jun 11 2018

TNZ005>011-023>034-056>066-075-077>080-093>095-121015-
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-
505 AM CDT Mon Jun 11 2018

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered thunderstorms are expected Tuesday afternoon and
evening. Some of these storms may become strong to severe, with
damaging straight-line winds and large hail the primary threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Tuesday afternoon and evening.

In the hours before

Local storm report, Jun 11, 8:50 AM CDT, 5 hours 10 minutes before
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Special weather statement, Jun 11, 2:00 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Nashville TN
200 PM CDT MON JUN 11 2018

TNZ065-066-080-111930-
Cumberland TN-Van Buren TN-White TN-
200 PM CDT MON JUN 11 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CUMBERLAND...
NORTHEASTERN VAN BUREN AND SOUTHEASTERN WHITE COUNTIES UNTIL 230 PM
CDT...

At 200 PM CDT, Doppler radar was tracking a strong thunderstorm near
Spencer, moving east at 15 mph.

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

Locations impacted include...
Spencer, Indian Rock Lake and Fall Creek Falls State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3576 8508 3577 8510 3576 8526 3575 8526
      3573 8527 3572 8527 3566 8533 3570 8544
      3584 8543 3584 8506
TIME...MOT...LOC 1900Z 278DEG 15KT 3575 8535

10

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 12:16 AM CDTSpecial Weather StatementOHXCannon, Warren29 min
Jun 11, 12:27 AM CDTSpecial Weather StatementOHXWilson33 min
Jun 11, 1:25 AM CDTAreal Flood AdvisoryOHXCannon3 hr
Jun 11, 4:22 PM CDTSpecial Weather StatementOHXCoffee38 min
Jun 11, 5:46 PM CDTSpecial Weather StatementOHXCannon44 min
Jun 11, 5:47 PM CDTSpecial Weather StatementOHXFentress, Pickett58 min
Jun 11, 5:50 PM CDTSevere Thunderstorm WarningOHXCannon, Coffee, Rutherford, Warren25 min
Jun 11, 6:15 PM CDTSevere Thunderstorm WarningOHXFentress, Pickett34 min
Jun 11, 6:41 PM CDTSpecial Weather StatementOHXOverton49 min
Jun 11, 6:56 PM CDTSpecial Weather StatementOHXTrousdale49 min

Nearby

Special Weather Statements in Tennessee, 2018Every 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.