Alert archive / South Carolina / Frost Advisories in 2008

Frost Advisory 3, NWS Wilmington, NC

October 30, 20084 counties in South Carolina; Robeson County, North Carolina

NWS Wilmington, NC issued this frost advisory at Oct 30, 2008, 3:40 AM EDT for 4 counties in South Carolina; Robeson County, North Carolina. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2008, 3:40 AM EDT (07:40 UTC)
Expired
Oct 30, 2008, 9:00 AM EDT
In force
5 hr
Issued by
NWS Wilmington, NC

Counties Robeson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Marlboro County, SC

The radar

The Wilmington radar (KLTX), 114 km from the middle of the area, began a volume at 07:41 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

Charleston AFB, SC (KCHS), launched 00:00Z, 7.7 hours before the alert went out and 171 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2008-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2008-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1838 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 2:37 PM EDTFrost AdvisoryILM18 hr
Oct 30, 2:37 PM EDTFreeze WarningILMDarlington, Dillon, Florence, Marion, Marlboro, Williamsburg18 hr

Nearby

Frost Advisories in South Carolina, 2008Frost Advisories in North Carolina, 2008Every frost advisory in 2008

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.