Alert archive / Kentucky / Special Weather Statements in 2021
Special Weather Statement, NWS Louisville, KY
NWS Louisville, KY issued this special weather statement at Aug 7, 2021, 5:47 PM EDT for Marion County, Kentucky. It was in force for 13 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
- Aug 7, 2021, 5:47 PM EDT (21:47 UTC)
- Expired
- Aug 7, 2021, 6:00 PM EDT
- In force
- 13 min
- Issued by
- NWS Louisville, KY
- Hail
- 0.50 in
- Wind
- 30
County Marion County, KY
The radar
The Louisville radar (KLVX), 57 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 198 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.
- Mixed-layer CAPE
- 885 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
270
WWUS83 KLMK 072147
SPSLMK
Special Weather Statement
National Weather Service Louisville KY
547 PM EDT Sat Aug 7 2021
KYZ045-046-054-072200-
Marion KY-Washington KY-Nelson KY-
547 PM EDT Sat Aug 7 2021
...A strong thunderstorm will impact portions of south central
Nelson, northwestern Marion and southwestern Washington Counties
through 600 PM EDT...
At 546 PM EDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Bardstown, moving southeast at 10 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Loretto, Raywick, Saint Francis, Burkes Spring, Gethsemane, Dant,
Nerinx, Bearwallow, Greenbrier and Holy Cross.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3763 8557 3777 8544 3770 8524 3753 8541
TIME...MOT...LOC 2146Z 302DEG 11KT 3766 8544
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
$$
BTNThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 4:36 PM EDT | Special Weather Statement | LMK | Washington | 24 min |
| Aug 7, 4:58 PM EDT | Special Weather Statement | LMK | Washington | 32 min |
| Aug 7, 5:08 PM EDT | Special Weather Statement | LMK | Mercer | 22 min |
| Aug 7, 5:50 PM EDT | Special Weather Statement | LMK | Mercer | 25 min |
| Aug 7, 6:06 PM EDT | Special Weather Statement | LMK | Marion | 24 min |
| Aug 7, 6:21 PM EDT | Special Weather Statement | LMK | Garrard | 24 min |
| Aug 7, 7:20 PM EDT | Special Weather Statement | LMK | Larue | 25 min |
Nearby
Special Weather Statements in Kentucky, 2021Every special weather statement in 2021
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.