Alert archive / Kentucky / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Louisville, KY

March 14, 2019Harrison County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 14, 2019, 8:27 PM EDT for Harrison County, Kentucky. It was in force for 18 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: Mar 14, 2019, 8:27 PM EDT (00:27 UTC)
Expired: Mar 14, 2019, 8:45 PM EDT
In force: 18 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Harrison County, KY

The radar

The Cincinnati radar (KILN), 112 km from the middle of the area, began a volume at 00:29 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 14, 5:03 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 113 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: 108 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 384 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

660 
WUUS53 KLMK 150027
SVRLMK
KYC097-150045-
/O.NEW.KLMK.SV.W.0021.190315T0027Z-190315T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
827 PM EDT THU MAR 14 2019

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Harrison County in central Kentucky...

* Until 845 PM EDT.

* At 827 PM EDT, a severe thunderstorm was located 8 miles southeast
  of Williamstown, moving northeast at 70 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...
  Berry, Colemansville, Kelat, Boyd, Sunrise, Antioch and Hinton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3845 8453 3848 8455 3849 8455 3850 8453
      3851 8449 3854 8448 3853 8446 3854 8443
      3857 8441 3856 8439 3858 8420 3857 8420
      3856 8422 3856 8417
TIME...MOT...LOC 0027Z 238DEG 62KT 3854 8447 

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

EBW

2 follow-up statements

618 
WWUS53 KLMK 150036
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
836 PM EDT THU MAR 14 2019

KYC097-150045-
/O.CON.KLMK.SV.W.0021.000000T0000Z-190315T0045Z/
Harrison KY-
836 PM EDT THU MAR 14 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTH CENTRAL HARRISON COUNTY...

At 835 PM EDT, a severe thunderstorm was located near Falmouth,
moving northeast at 70 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Berry, Antioch, Kelat, Boyd and Sunrise. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville Facebook page, or tweet your
report using hashtag L, M, K, spotter.

&&

LAT...LON 3850 8438 3857 8441 3856 8439 3858 8420
      3857 8420 3856 8422 3856 8418
TIME...MOT...LOC 0035Z 238DEG 62KT 3862 8430 

HAIL...0.88IN
WIND...60MPH
 
$$

EBW

453 
WWUS53 KLMK 150042
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
842 PM EDT THU MAR 14 2019

KYC097-150051-
/O.EXP.KLMK.SV.W.0021.000000T0000Z-190315T0045Z/
Harrison KY-
842 PM EDT THU MAR 14 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HARRISON COUNTY
WILL EXPIRE AT 845 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Kentucky.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville  Facebook page, or tweet your
report using hashtag L, M, K, spotter.

LAT...LON 3850 8438 3857 8441 3856 8439 3858 8420
      3857 8420 3856 8422 3856 8418
TIME...MOT...LOC 0041Z 238DEG 62KT 3867 8420 

$$

EBW

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 8:34 PM EDT	Severe Thunderstorm Warning	LMK	Henry	11 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2019 Every severe thunderstorm warning in 2019

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.