Alert archive / Kentucky / Frost Advisories in 2020
Frost Advisory 6, NWS Louisville, KY
NWS Louisville, KY issued this frost advisory at May 9, 2020, 3:31 AM CDT for 18 counties in Kentucky. It took effect at May 10, 2020, 1:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 9, 2020, 3:31 AM CDT (08:31 UTC)
- In effect from
- May 10, 2020, 1:00 AM CDT
- Expired
- May 10, 2020, 7:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Louisville, KY
Counties Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Garrard County, KY, Green County, KY, Hart County, KY, Larue County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Metcalfe County, KY, Monroe County, KY, Russell County, KY, Taylor County, KY
The radar
The Louisville radar (KLVX), 102 km from the middle of the area, began a volume at 08:28 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 00:00Z, 8.5 hours before the alert went out and 167 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
- 3 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Kentucky, 2020Every frost advisory in 2020
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.