Alert archive / North Carolina / Frost Advisories in 2008
Frost Advisory 4, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this frost advisory at Apr 29, 2008, 4:24 AM EDT for 17 counties in North Carolina; Habersham County, Rabun County, Georgia. It took effect at Apr 29, 2008, 1:56 PM EDT. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2008, 4:24 AM EDT (08:24 UTC)
- In effect from
- Apr 29, 2008, 1:56 PM EDT
- Expired
- Apr 30, 2008, 9:00 AM EDT
- In force
- 19 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Habersham County, GA, Rabun County, GA, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 08:27 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.4 hours before the alert went out and 255 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
- 982 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- -221 m²/s²
- 0-3 km storm-relative helicity
- -87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this frost advisory went out at Apr 28, 7:36 PM EDT, 8 hours 48 minutes earlier.
Area forecast discussion, Apr 28, 7:36 PM EDT, 8 hours 48 minutes before
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</html>Hazardous weather outlook, Apr 28, 7:37 PM EDT, 8 hours 47 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 1:56 PM EDT | Freeze Warning | GSP | Avery, Buncombe, Graham, Haywood, Henderson, Jackson and 6 more | 19 hr |
Nearby
Frost Advisories in North Carolina, 2008Frost Advisories in Georgia, 2008Frost Advisories in South 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.