Alert archive / Kentucky / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 113, NWS Jackson, KY

August 23, 2001Letcher County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Aug 23, 2001, 6:43 PM EDT for Letcher County, Kentucky. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Aug 23, 2001, 6:43 PM EDT (22:43 UTC)
Expired: Aug 23, 2001, 7:30 PM EDT
In force: 47 min
Issued by: NWS Jackson, KY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Letcher County, KY

What was reported inside it

Time	Report	Where	Remark
Aug 23, 7:00 PM EDT	Thunderstorm Wind	Premium, KY	A roof was blown off of a house.
Aug 23, 7:00 PM EDT	Thunderstorm Wind	Whitesburg, KY	High winds brought trees down in the area. One tree fell onto a truck producing damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 23, 2:30 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.7 hours before the alert went out and 264 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: 89 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1130 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

637 
WUUS53 KJKL 232244
SVRJKL
KYC133-232330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON KY
643 PM EDT THU AUG 23 2001

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LETCHER COUNTY

* UNTIL 730 PM EDT

* AT 643 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER ELKO...
  OR ABOUT 9 MILES WEST OF WHITESBURG...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ICE AROUND 650 PM EDT
  WHITESBURG AROUND 655 PM EDT
  WRIGHT AROUND 700 PM EDT
  FISHPOND LAKE AROUND 705 PM EDT

THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING TORNADOES WITH
LITTLE OR NO WARNING. MOVE TO A PLACE OF SAFETY SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING WINDS UP TO 65 MPH.

IF YOU ARE IN OR NEAR THE PATH OF THIS STORM...MOVE TO A SUBSTANTIAL
SHELTER UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE JACKSON WEATHER SERVICE FORECAST
OFFICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
THURSDAY EVENING FOR EASTERN KENTUCKY.

LAT...LON 3724 8305 3706 8310 3701 8285 3725 8255
$$

LAWSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 3:51 PM EDT	Severe Thunderstorm Warning	JKL	Fleming	39 min
Aug 23, 4:08 PM EDT	Severe Thunderstorm Warning	JKL	Montgomery	37 min
Aug 23, 4:28 PM EDT	Severe Thunderstorm Warning	JKL	Menifee, Powell	47 min
Aug 23, 4:28 PM EDT	Severe Thunderstorm Warning	JKL	Bath	47 min
Aug 23, 4:41 PM EDT	Severe Thunderstorm Warning	JKL	Rowan	49 min
Aug 23, 4:53 PM EDT	Severe Thunderstorm Warning	JKL	Pulaski	37 min
Aug 23, 5:30 PM EDT	Severe Thunderstorm Warning	JKL	Perry	45 min
Aug 23, 5:36 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Owsley	39 min
Aug 23, 5:57 PM EDT	Severe Thunderstorm Warning	JKL	Knott	48 min
Aug 23, 6:20 PM EDT	Severe Thunderstorm Warning	JKL	Floyd	55 min
Aug 23, 6:37 PM EDT	Severe Thunderstorm Warning	JKL	Pike	53 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.