Alert archive / Arkansas / Frost Advisories in 2020
Frost Advisory 2, NWS Little Rock, AR
NWS Little Rock, AR issued this frost advisory at Apr 15, 2020, 2:41 PM CDT for 4 counties in Arkansas. It took effect at Apr 16, 2020, 1:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2020, 2:41 PM CDT (19:41 UTC)
- In effect from
- Apr 16, 2020, 1:00 AM CDT
- Expired
- Apr 16, 2020, 6:46 AM CDT
- In force
- 6 hr
- Issued by
- NWS Little Rock, AR
Counties Fulton County, AR, Izard County, AR, Randolph County, AR, Sharp County, AR
The radar
The Little Rock radar (KLZK), 169 km from the middle of the area, began a volume at 19:41 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
Springfield, MO (KSGF), launched 12:00Z, 7.7 hours before the alert went out and 213 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 304 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Arkansas, 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.