Alert archive / Tennessee / Special Weather Statements in 2018

Special Weather Statement, NWS Nashville, TN

June 1, 2018Humphreys County, Perry County, Tennessee

NWS Nashville, TN issued this special weather statement at Jun 1, 2018, 2:21 AM CDT for Humphreys County, Perry County, Tennessee. It was in force for 24 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 1, 2018, 2:21 AM CDT (07:21 UTC)
Expired
Jun 1, 2018, 2:45 AM CDT
In force
24 min
Issued by
NWS Nashville, TN

Counties Humphreys County, TN, Perry County, TN

The radar

The Ft Campbell radar (KHPX), 110 km from the middle of the area, began a volume at 07:21 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, 7.4 hours before the alert went out and 117 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 00:00Z on 2018-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2231 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2018-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.193958Sfc1 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
2231 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1014 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

961 
WWUS84 KOHX 010721
SPSOHX

Special Weather Statement
National Weather Service Nashville TN
221 AM CDT FRI JUN 1 2018
 
TNZ024-025-056-057-010745-
Hickman TN-Dickson TN-Humphreys TN-Perry TN-
221 AM CDT FRI JUN 1 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DICKSON...NORTHERN
PERRY...HUMPHREYS AND WESTERN HICKMAN COUNTIES UNTIL 245 AM CDT...

At 221 AM CDT, Doppler radar was tracking strong thunderstorms along 
a line extending from New Johnsonville to Parsons. Movement was east 
at 55 mph.

Pea size hail and wind gusts up to 50 mph will be possible with 
these storms.

Locations impacted include...
Waverly, Centerville, Camden, New Johnsonville, McEwen, Hurricane
Mills, Lobelville, Mousetail Landing State Park, Pinewood,
Pleasantville, Bucksnort and I-40 Near The Tennessee River.

LAT...LON 3577 8798 3583 8797 3587 8794 3592 8793
      3594 8793 3594 8800 3596 8802 3605 8799
      3613 8792 3617 8792 3618 8793 3614 8742
      3564 8751 3564 8756 3565 8757 3564 8761
      3564 8803 3568 8802 3572 8804
TIME...MOT...LOC 0721Z 281DEG 47KT 3611 8791 3570 8798 

$$

Shamburger

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 7:03 PM CDTAreal Flood AdvisoryOHXJackson, Putnam3 hr
May 31, 7:11 PM CDTSpecial Weather StatementOHXCumberland, White49 min
May 31, 7:13 PM CDTSpecial Weather StatementOHXDeKalb47 min
May 31, 7:28 PM CDTSpecial Weather StatementOHXSmith47 min
May 31, 7:36 PM CDTSpecial Weather StatementOHXGrundy39 min
May 31, 7:38 PM CDTSpecial Weather StatementOHXWarren52 min
May 31, 7:46 PM CDTSevere Thunderstorm WarningOHXCoffee, Grundy44 min
May 31, 8:00 PM CDTSpecial Weather StatementOHXCumberland, White45 min
May 31, 8:06 PM CDTAreal Flood AdvisoryOHXDeKalb, Putnam, White3 hr
May 31, 8:22 PM CDTSpecial Weather StatementOHXGrundy38 min
May 31, 8:42 PM CDTSpecial Weather StatementOHXCumberland, Van Buren48 min
May 31, 8:46 PM CDTSpecial Weather StatementOHXCoffee44 min
May 31, 9:20 PM CDTSpecial Weather StatementOHXCoffee, Grundy40 min
May 31, 9:52 PM CDTAreal Flood AdvisoryOHXCoffee, Grundy113 min
Jun 1, 12:08 AM CDTSpecial Weather StatementOHXHouston, Stewart67 min
Jun 1, 1:56 AM CDTSpecial Weather StatementOHXDavidson34 min
Jun 1, 1:58 AM CDTSpecial Weather StatementOHXCheatham, Dickson32 min
Jun 1, 2:18 AM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Williamson27 min
Jun 1, 2:27 AM CDTSpecial Weather StatementOHXDavidson, Robertson, Williamson48 min
Jun 1, 2:39 AM CDTSpecial Weather StatementOHXPickett51 min
Jun 1, 2:55 AM CDTSpecial Weather StatementOHXDavidson, Macon, Sumner, Trousdale, Williamson, Wilson65 min
Jun 1, 3:04 AM CDTSpecial Weather StatementOHXPutnam26 min
Jun 1, 3:11 AM CDTSpecial Weather StatementOHXCannon34 min
Jun 1, 3:43 AM CDTSpecial Weather StatementOHXRutherford, Smith, Wilson47 min
Jun 1, 3:50 AM CDTSpecial Weather StatementOHXGiles, Lawrence, Lewis, Marshall, Maury, Wayne55 min
Jun 1, 3:58 AM CDTSpecial Weather StatementOHXCannon, DeKalb47 min
Jun 1, 4:28 AM CDTSpecial Weather StatementOHXCumberland, White32 min
Jun 1, 4:42 AM CDTSpecial Weather StatementOHXGiles, Marshall18 min
Jun 1, 5:53 AM CDTSpecial Weather StatementOHXGrundy22 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.