Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

August 3, 2021Martin County, Kentucky

NWS Jackson, KY issued this special weather statement at Aug 3, 2021, 5:15 PM EDT for Martin County, Kentucky. 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
Aug 3, 2021, 5:15 PM EDT (21:15 UTC)
Expired
Aug 3, 2021, 5:45 PM EDT
In force
30 min
Issued by
NWS Jackson, KY
Hail
0.50 in
Wind
30

County Martin County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 211 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 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
4 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

707 
WWUS83 KJKL 032115
SPSJKL

Special Weather Statement
National Weather Service JACKSON KY
515 PM EDT Tue Aug 3 2021
 
KYZ119-032145-
Martin KY-
515 PM EDT Tue Aug 3 2021

...A strong thunderstorm will impact portions of central Martin
County through 545 PM EDT...

At 515 PM EDT, Doppler radar was tracking a strong thunderstorm over
Warfield, or 7 miles east of Inez, moving east at 15 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

This storm will remain over mainly rural areas of central Martin
County, including the following locations... Kermit.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3775 8250 3784 8258 3794 8249 3793 8248
      3790 8247 3791 8247 3788 8242 3787 8241
      3786 8242 3783 8240 3781 8240 3781 8238
TIME...MOT...LOC 2115Z 257DEG 15KT 3783 8241 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

$$

GEERTSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:20 PM EDTSpecial Weather StatementJKLLetcher40 min
Aug 3, 4:47 PM EDTSpecial Weather StatementJKLPike28 min
Aug 3, 5:15 PM EDTSevere Thunderstorm WarningJKLMartin, Pike15 min
Aug 3, 5:53 PM EDTAreal Flood AdvisoryJKLMartin111 min
Aug 3, 6:14 PM EDTSpecial Weather StatementJKLBell16 min
Aug 3, 6:46 PM EDTAreal Flood AdvisoryJKLBell, Harlan91 min
Aug 3, 7:02 PM EDTSpecial Weather StatementJKLLeslie28 min
Aug 3, 7:05 PM EDTSpecial Weather StatementJKLLeslie25 min

Nearby

Special Weather Statements in Kentucky, 2021Every 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.