Alert archive / Kentucky / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Charleston, WV

May 1, 2016Carter County, Kentucky

NWS Charleston, WV issued this severe thunderstorm warning at May 1, 2016, 4:23 PM EDT for Carter County, Kentucky. It was in force for 37 min. 3 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: May 1, 2016, 4:23 PM EDT (20:23 UTC)
Expired: May 1, 2016, 5:00 PM EDT
In force: 37 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Carter County, KY

The radar

The Jackson,KY radar (KJKL), 90 km from the middle of the area, began a volume at 20:27 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

Time	Report	Where
May 1, 4:40 PM EDT	HAIL 1	2 Ne Olive Hill, KY
May 1, 4:40 PM EDT	HAIL 1.75	5 N Olive Hill, KY
May 1, 4:45 PM EDT	HAIL 0.88	5 Ne Olive Hill, 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.

Issued	Product	Office	Lasted
May 1, 4:12 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.4 hours before the alert went out and 126 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: 196 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

963 
WUUS51 KRLX 012023
SVRRLX
KYC043-012100-
/O.NEW.KRLX.SV.W.0021.160501T2023Z-160501T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
423 PM EDT SUN MAY 1 2016

THE NATIONAL WEATHER SERVICE IN CHARLESTON WEST VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CARTER COUNTY IN NORTHEASTERN KENTUCKY...

* UNTIL 500 PM EDT

* AT 423 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HEAD OF
  GRASSY...OR 9 MILES NORTHWEST OF OLIVE HILL...MOVING EAST AT 30 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  OLIVE HILL...CARTER CAVES STATE PARK...GESLING AND CARTER. 

THIS INCLUDES INTERSTATE 64 IN KENTUCKY BETWEEN MILE MARKERS 151 AND
166.
 
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.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...800 401 9535...WHEN YOU CAN DO SO SAFELY.

YOU MAY ALSO REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE
CHARLESTON WEST VIRGINIA NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR
BY USING THE TWITTER HASHTAG...NWSRLX.

&&

LAT...LON 3833 8332 3833 8327 3834 8323 3835 8324
      3843 8323 3844 8321 3845 8321 3845 8320
      3847 8319 3849 8319 3850 8316 3848 8308
      3830 8302 3830 8333 3832 8334
TIME...MOT...LOC 2023Z 259DEG 25KT 3837 8333 

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

14

1 follow-up statement

023 
WWUS51 KRLX 012040
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
440 PM EDT SUN MAY 1 2016

KYC043-012100-
/O.CON.KRLX.SV.W.0021.000000T0000Z-160501T2100Z/
CARTER KY-
440 PM EDT SUN MAY 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN CARTER COUNTY...

AT 439 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OLIVE HILL...
MOVING SOUTHEAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
OLIVE HILL...CARTER CAVES STATE PARK...GESLING AND CARTER. 

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.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...800 401 9535...WHEN YOU CAN DO SO SAFELY.

YOU MAY ALSO REPORT SEVERE WEATHER BY POSTING YOUR REPORT TO THE
CHARLESTON WEST VIRGINIA NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR
BY USING THE TWITTER HASHTAG...NWSRLX.

&&

LAT...LON 3830 8329 3833 8327 3834 8325 3834 8323
      3835 8324 3839 8323 3845 8320 3846 8320
      3847 8319 3842 8306 3830 8302
TIME...MOT...LOC 2039Z 299DEG 32KT 3834 8316 

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

14

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 1, 8:27 AM EDT	Flash Flood Warning	RLX	Lawrence	3 hr
May 1, 8:47 AM EDT	Special Weather Statement	RLX	Greenup	58 min
May 1, 3:22 PM EDT	Severe Thunderstorm Warning	RLX	Lawrence	23 min
May 1, 4:07 PM EDT	Severe Thunderstorm Warning	RLX	Lawrence	38 min
May 1, 4:19 PM EDT	Severe Thunderstorm Warning	RLX	Boyd	41 min
May 1, 4:41 PM EDT	Flash Flood Warning	RLX	Lawrence	6 hr
May 1, 4:48 PM EDT	Severe Thunderstorm Warning	RLX	Boyd, Carter, Greenup, Lawrence	42 min
May 1, 5:24 PM EDT	Severe Thunderstorm Warning	RLX	Boyd, Carter, Lawrence	51 min
May 1, 5:25 PM EDT	Flash Flood Warning	RLX	Boyd, Carter, Greenup, Lawrence	3 hr
May 1, 7:24 PM EDT	Flash Flood Warning	RLX	Lawrence	3 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2016 Every severe thunderstorm warning in 2016

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.