Alert archive / Kentucky / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 77, NWS Louisville, KY

June 28, 2001Washington County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 28, 2001, 3:53 PM EDT for Washington County, Kentucky. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 2001, 3:53 PM EDT (19:53 UTC)
Expired: Jun 28, 2001, 4:45 PM EDT
In force: 52 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Washington County, KY

The radar

The Louisville radar (KLVX), 72 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 220 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: 320 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 24 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.

000 
WUUS53 KLMK 281953
SVRSDF
KYC229-282045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
353 PM EDT THU JUN 28 2001

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 445 PM EDT

* AT 349 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF SPRINGFIELD...OR ABOUT 49
  MILES SOUTHEAST OF LOUISVILLE...MOVING NORTH AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPRINGFIELD AROUND 430 PM EDT
  ST. CATHERINE AROUND 435 PM EDT
  FENWICK...MAUD AROUND 445 PM EDT

THIS IS A DANGEROUS STORM...CAPABLE OF PRODUCING VERY DAMAGING WINDS.
IF YOU ARE IN THIS STORM'S PATH...TAKE COVER IMMEDIATELY IN A STURDY
STRUCTURE UNTIL IT HAS PASSED. STAY AWAY FROM WINDOWS AND ANY DOWNED
POWER LINES.

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

COX

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 3:06 PM EDT, 47 minutes earlier.

Area forecast discussion, Jun 28, 3:06 PM EDT, 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
300 PM EDT THU JUNE 28 2001

SCATTERED THUNDERSTORMS HAVE DEVELOPED ACROSS THE SOUTHERN AND
WESTERN PORTION OF THE COUNTY FORECAST AREA THIS AFTERNOON IN
RESPONSE TO THE UPPER LOW STILL IN PLACE OVER WESTERN KENTUCKY AND
NORTHEAST ARKANSAS.

WE WILL HOLD ONTO SCATTERED THUNDERSTORMS THROUGH MIDNIGHT AS MODELS
SHOW WEAK S/W ROTATING AROUND THE EAST SIDE OF THE CLOSED LOW THIS
EVENING. AFTER TONIGHT THE LOW WILL GRADUALLY DRIFT SOUTHWEST AWAY
FROM OUR CFA. WE WILL KEEP A CHANCE OF DIURNALLY DRIVEN
THUNDERSTORMS IN THE FORECAST THROUGH THE MIDDLE OF NEXT WEEK.

AVN IS BEGINNING TO HINT AT A FRONTAL PASSAGE LA1TE MONDAY OR TUESDAY
AS AN UPPER LEVEL TROF DEVELOPS OVER THE NORTHEAST STATES.

MOS TEMPERATURES LOOK GOOD.

.SDF...NONE.
JA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 8:35 PM EDT	Severe Thunderstorm Warning	LMK	Grayson	30 min
Jun 27, 9:05 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hardin	30 min
Jun 28, 7:12 PM EDT	Severe Thunderstorm Warning	LMK	Taylor	33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.