Alert archive / North Carolina / Frost Advisories in 2015
Frost Advisory 3, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this frost advisory at Apr 4, 2015, 2:53 PM EDT for 5 counties in North Carolina; Cherokee County, York County, South Carolina; Habersham County, Georgia. It took effect at Apr 5, 2015, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2015, 2:53 PM EDT (18:53 UTC)
- In effect from
- Apr 5, 2015, 12:00 AM EDT
- Expired
- Apr 5, 2015, 9:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Habersham County, GA, Cabarrus County, NC, Gaston County, NC, Mecklenburg County, NC, Polk County, NC, Union County, NC, Cherokee County, SC, York County, SC
The radar
The Greer radar (KGSP), 74 km from the middle of the area, began a volume at 18:53 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 12:00Z, 6.9 hours before the alert went out and 177 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
- 1291 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -93 m²/s²
- 0-3 km storm-relative helicity
- 64 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 4, 2:50 PM EDT, 3 minutes earlier.
Area forecast discussion, Apr 4, 2:50 PM EDT, 3 minutes before
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</html>Hazardous weather outlook, Apr 4, 1:21 PM EDT, 1 hour 32 minutes before
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Special weather statement, Apr 4, 11:13 AM EDT, 3 hours 40 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 3, 8:42 PM EDT | Wind Advisory | GSP | Avery, Buncombe, Burke, Caldwell, Henderson, McDowell and 4 more | 17 hr |
| Apr 3, 9:22 PM EDT | Special Weather Statement | GSP | Graham | 38 min |
| Apr 4, 3:53 AM EDT | Frost Advisory | GSP | Alexander, Burke, Caldwell, Catawba, Cleveland, Davie and 5 more | 11 hr |
| Apr 4, 3:53 AM EDT | Freeze Warning | GSP | Alexander, Buncombe, Burke, Caldwell, Catawba, Cleveland and 15 more | 29 hr |
| Apr 3, 10:44 PM EDT | Special Weather Statement | GSP | Rabun | 31 min |
Nearby
Frost Advisories in North Carolina, 2015Frost Advisories in South Carolina, 2015Frost Advisories in Georgia, 2015Every frost advisory in 2015
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.