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, 4:36 PM EDT for Washington County, Kentucky. It was in force for 24 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, 4:36 PM EDT (20:36 UTC)
- Expired
- Aug 7, 2021, 5:00 PM EDT
- In force
- 24 min
- Issued by
- NWS Louisville, KY
- Hail
- 0.50 in
- Wind
- 30
County Washington County, KY
The radar
The Louisville radar (KLVX), 64 km from the middle of the area, began a volume at 20:39 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, 8.6 hours before the alert went out and 208 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.
478
WWUS83 KLMK 072036
SPSLMK
Special Weather Statement
National Weather Service Louisville KY
436 PM EDT Sat Aug 7 2021
KYZ045-046-054-072100-
Marion KY-Washington KY-Nelson KY-
436 PM EDT Sat Aug 7 2021
...A strong thunderstorm will impact portions of central Nelson,
north central Marion and southwestern Washington Counties through 500
PM EDT...
At 435 PM EDT, Doppler radar was tracking a strong thunderstorm near
Springfield, moving east 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...
Springfield.
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.
&&
LAT...LON 3762 8541 3777 8542 3779 8515 3763 8515
TIME...MOT...LOC 2035Z 264DEG 11KT 3770 8533
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, 4:58 PM EDT | Special Weather Statement | LMK | Washington | 32 min |
| Aug 7, 5:08 PM EDT | Special Weather Statement | LMK | Mercer | 22 min |
| Aug 7, 5:47 PM EDT | Special Weather Statement | LMK | Marion | 13 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.