Alert archive / Kentucky / Special Weather Statements in 2018

Special Weather Statement, NWS Jackson, KY

August 7, 2018Bath County, Montgomery County, Kentucky

NWS Jackson, KY issued this special weather statement at Aug 7, 2018, 6:21 PM EDT for Bath County, Montgomery County, Kentucky. 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, 2018, 6:21 PM EDT (22:21 UTC)
Expired
Aug 7, 2018, 7:00 PM EDT
In force
39 min
Issued by
NWS Jackson, KY

Counties Bath County, KY, Montgomery County, KY

The radar

The Jackson,KY radar (KJKL), 76 km from the middle of the area, began a volume at 22:20 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 hours before the alert went out and 138 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, Cncnati-Daytn, OH at 12:00Z on 2018-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Cncnati-Daytn, OH at 12:00Z on 2018-08-07The 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS83 KJKL 072221
SPSJKL

Special Weather Statement
National Weather Service JACKSON KY
621 PM EDT TUE AUG 7 2018

KYZ050-051-072300-
Montgomery-Bath-
621 PM EDT TUE AUG 7 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MONTGOMERY AND BATH
COUNTIES...

At 620 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Sherburne to Mount Sterling to
Winchester. Movement was east at 30 mph.

Winds of 30 to 40 mph are possible with these storms.

Locations impacted include...
Mount Sterling, Owingsville, Marshall, Jeffersonville, Camargo,
Sharpsburg, Salt Lick, Levee, Preston, Reynoldsville, Sideview,
Peasticks, Walkers Crossing, Olympia Springs, Moore's Ferry, Flat
Creek, Coons Station, Odessa, Stepstone and Bourbon Furnace.

LAT...LON 3828 8381 3829 8373 3827 8374 3827 8371
      3824 8370 3826 8368 3822 8370 3817 8364
      3819 8360 3817 8359 3815 8362 3813 8362
      3815 8357 3813 8355 3805 8360 3793 8397
      3812 8408 3830 8385 3830 8382
TIME...MOT...LOC 2220Z 270DEG 24KT 3831 8377 3806 8394 3799 8415 

$$

HAL

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 12:56 PM EDTSpecial Weather StatementJKLOwsley34 min
Aug 7, 2:36 PM EDTSpecial Weather StatementJKLMorgan24 min
Aug 7, 4:58 PM EDTSpecial Weather StatementJKLFleming47 min
Aug 7, 7:07 PM EDTSpecial Weather StatementJKLElliott, Morgan38 min
Aug 7, 7:46 PM EDTSpecial Weather StatementJKLMagoffin29 min

Nearby

Special Weather Statements in Kentucky, 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.