Alert archive / South Carolina / Frost Advisories in 2022
Frost Advisory 3, NWS Wilmington, NC
NWS Wilmington, NC issued this frost advisory at Oct 18, 2022, 3:29 AM EDT for 5 counties in North Carolina; 7 counties in South Carolina. It took effect at Oct 19, 2022, 4:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2022, 3:29 AM EDT (07:29 UTC)
- In effect from
- Oct 19, 2022, 4:00 AM EDT
- Expired
- Oct 19, 2022, 9:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Wilmington, NC
Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, Pender County, NC, Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 68 km from the middle of the area, began a volume at 07:30 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
Charleston AFB, SC (KCHS), launched 00:00Z, 7.5 hours before the alert went out and 172 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
- 1127 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1009 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.4
What forecasters said that day
The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, NC wrote its last area forecast discussion before this frost advisory went out at Oct 17, 7:56 PM EDT, 7 hours 33 minutes earlier.
Area forecast discussion, Oct 17, 7:56 PM EDT, 7 hours 33 minutes before
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</html>Hazardous weather outlook, Oct 17, 3:58 PM EDT, 11 hours 31 minutes before
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</html>Nearby
Frost Advisories in South Carolina, 2022Frost Advisories in North Carolina, 2022Every frost advisory in 2022
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.