Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Jackson, KY

April 25, 20155 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 25, 2015, 7:36 PM EDT for 5 counties in Kentucky. It was in force for 39 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 25, 2015, 7:36 PM EDT (23:36 UTC)
Expired
Apr 25, 2015, 8:15 PM EDT
In force
39 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, KY, Knott County, KY, Leslie County, KY, Letcher County, KY, Perry County, KY

The radar

The Jackson,KY radar (KJKL), 51 km from the middle of the area, began a volume at 23:39 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.

What was reported inside it

TimeReportWhereRemark
Apr 25, 7:45 PM EDTHAIL 1Hyden, KYTHIS IS A PUBLIC REPORT VIA TWITTER.
Apr 25, 8:13 PM EDTHAIL 0.751 S Hazard, KY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 25, 5:57 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.6 hours before the alert went out and 259 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 2015-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2015-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2084 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

884 
WUUS53 KJKL 252336
SVRJKL
KYC051-119-131-133-193-260015-
/O.NEW.KJKL.SV.W.0021.150425T2336Z-150426T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON KY
736 PM EDT SAT APR 25 2015

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LETCHER COUNTY IN SOUTHEASTERN KENTUCKY...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEASTERN KENTUCKY...
  EAST CENTRAL CLAY COUNTY IN SOUTHEASTERN KENTUCKY...
  SOUTHWESTERN KNOTT COUNTY IN SOUTHEASTERN KENTUCKY...
  CENTRAL LESLIE COUNTY IN SOUTHEASTERN KENTUCKY...

* UNTIL 815 PM EDT

* AT 735 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOSEA...OR
  NEAR HYDEN...MOVING EAST AT 35 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  HAZARD...WHITESBURG...HINDMAN...HYDEN...VICCO...BLACKEY...DALEY...
  DIABLOCK...BEAR BRANCH...RITCHIE...ESSIE...CARBON GLOW...GANDER...
  AMELIA...STINNETT...WENDOVER...SMITHSBORO...BULAN...ELIC AND
  ARMINTA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HAL ROGERS PARKWAY BETWEEN MILE MARKERS 36 AND 59.
 KENTUCKY HIGHWAY 80 IN KNOTT COUNTY BETWEEN MILE MARKERS 6 AND 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3703 8359 3715 8360 3738 8297 3707 8282
TIME...MOT...LOC 2335Z 251DEG 28KT 3714 8345 

HAIL...1.00IN
WIND...60MPH

$$

SHALLENBERGER
2 follow-up statements
632 
WWUS53 KJKL 252350
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
750 PM EDT SAT APR 25 2015

KYC051-252358-
/O.CAN.KJKL.SV.W.0021.000000T0000Z-150426T0015Z/
CLAY KY-
750 PM EDT SAT APR 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CLAY COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
SOUTHEASTERN KENTUCKY.

LAT...LON 3704 8345 3720 8346 3738 8297 3707 8282
TIME...MOT...LOC 2348Z 251DEG 28KT 3718 8332 

$$

KYC119-131-133-193-260015-
/O.CON.KJKL.SV.W.0021.000000T0000Z-150426T0015Z/
LETCHER KY-PERRY KY-KNOTT KY-LESLIE KY-
750 PM EDT SAT APR 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHWESTERN LETCHER...SOUTHEASTERN PERRY...SOUTHWESTERN KNOTT
AND CENTRAL LESLIE COUNTIES...

AT 748 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WOOTON...OR
OVER HYDEN...MOVING EAST AT 30 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. AT 7:45 PM...QUARTER SIZED HAIL WAS 
REPORTED IN HYDEN.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO  
        ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
HAZARD...WHITESBURG...HINDMAN...HYDEN...VICCO...BLACKEY...DALEY...
DIABLOCK...RITCHIE...CARBON GLOW...GANDER...AMELIA...STINNETT...
WENDOVER...SMITHSBORO...BULAN...ELIC...ARMINTA...HOSKINSTON AND
ROXANA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HAL ROGERS PARKWAY BETWEEN MILE MARKERS 42 AND 59.
 KENTUCKY HIGHWAY 80 IN KNOTT COUNTY BETWEEN MILE MARKERS 6 AND 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3704 8345 3720 8346 3738 8297 3707 8282
TIME...MOT...LOC 2348Z 251DEG 28KT 3718 8332 

HAIL...1.00IN
WIND...60MPH

$$

GEOGERIAN
513 
WWUS53 KJKL 260016
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
816 PM EDT SAT APR 25 2015

KYC119-131-133-193-260026-
/O.EXP.KJKL.SV.W.0021.000000T0000Z-150426T0015Z/
LETCHER KY-PERRY KY-KNOTT KY-LESLIE KY-
816 PM EDT SAT APR 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LETCHER...
SOUTHEASTERN PERRY...SOUTHWESTERN KNOTT AND CENTRAL LESLIE COUNTIES
HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
SOUTHEASTERN KENTUCKY.

LAT...LON 3704 8345 3720 8346 3738 8297 3707 8282
TIME...MOT...LOC 0015Z 251DEG 28KT 3718 8332 

$$

GEOGERIAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 7:05 PM EDTSpecial Weather StatementJKLPerry25 min
Apr 25, 7:22 PM EDTSpecial Weather StatementJKLLeslie23 min
Apr 25, 7:46 PM EDTSpecial Weather StatementJKLJackson29 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.