Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

March 27, 2021Bell County, Kentucky

NWS Jackson, KY issued this special weather statement at Mar 27, 2021, 7:43 PM EDT for Bell County, Kentucky. It was in force for 47 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: Mar 27, 2021, 7:43 PM EDT (23:43 UTC)
Expired: Mar 27, 2021, 8:30 PM EDT
In force: 47 min
Issued by: NWS Jackson, KY

County Bell County, KY

The radar

The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 250 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 347 m²/s²
0-3 km storm-relative helicity: 316 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 Jackson, KY wrote its last area forecast discussion before this special weather statement went out at Mar 27, 4:39 PM EDT, 3 hours 4 minutes earlier.

Area forecast discussion, Mar 27, 4:39 PM EDT, 3 hours 4 minutes before

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Hazardous weather outlook, Mar 27, 5:10 PM EDT, 2 hours 33 minutes before

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In the hours before

Special weather statement, Mar 27, 7:43 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service JACKSON KY
743 PM EDT Sat Mar 27 2021

KYZ084-085-087-088-280030-
Whitley-McCreary-Bell-Harlan-
743 PM EDT Sat Mar 27 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN HARLAN...
BELL...SOUTHERN MCCREARY AND SOUTHERN WHITLEY COUNTIES...

At 743 PM EDT, strong thunderstorms were clustered 7 miles west of
Helenwood, or 9 miles southwest of Oneida, moving east at 45 mph.

Winds in excess of 40 mph and penny size hail are possible with this
storm.

Locations impacted include...
Williamsburg, Pineville, Middlesboro, Varilla, Zion Hill, Ponza, Red
Ash, Verne, Pruden, Hollyhill, Polly Camp, Cubage, Binghamtown, Clear
Creek Springs, Nevisdale, Dixie, Blue Heron, Wasioto, Hutch and
Siler.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3660 8478 3668 8471 3674 8396 3669 8388
      3675 8381 3679 8312 3674 8314 3667 8343
      3667 8353 3658 8369
TIME...MOT...LOC 2343Z 258DEG 37KT 3645 8467

GREIF

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:36 AM EDT	Special Weather Statement	JKL	McCreary	39 min
Mar 27, 8:43 AM EDT	Severe Thunderstorm Warning	JKL	Bell, McCreary, Whitley	32 min
Mar 27, 9:16 AM EDT	Special Weather Statement	JKL	Knox, Whitley	29 min
Mar 27, 9:39 AM EDT	Special Weather Statement	JKL	Clay, Laurel	51 min
Mar 27, 9:43 AM EDT	Special Weather Statement	JKL	McCreary, Wayne	47 min
Mar 27, 9:59 AM EDT	Severe Thunderstorm Warning	JKL	McCreary, Wayne, Whitley	46 min
Mar 27, 10:33 AM EDT	Special Weather Statement	JKL	Bell, Knox	42 min
Mar 27, 10:58 AM EDT	Areal Flood Advisory	JKL	Bell, Clay, Harlan, Knox, Leslie, McCreary and 1 more	6 hr
Mar 27, 11:01 AM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox, Whitley	44 min
Mar 27, 11:45 AM EDT	Flood Watch	JKL	Bell, Clay, Harlan, Knott, Knox, Laurel and 7 more	24 hr
Mar 27, 2:37 PM EDT	Areal Flood Advisory	JKL	Knox, Laurel, McCreary, Pulaski, Wayne, Whitley	6 hr

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

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.