Alert archive / North Carolina / Freeze Warnings in 2023
Freeze Warning 8, NWS Raleigh, NC
NWS Raleigh, NC issued this freeze warning at Oct 31, 2023, 4:11 AM EDT for 7 counties in North Carolina. It took effect at Nov 1, 2023, 12:00 AM EDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 31, 2023, 4:11 AM EDT (08:11 UTC)
- In effect from
- Nov 1, 2023, 12:00 AM EDT
- Expired
- Nov 1, 2023, 10:00 AM EDT
- In force
- 10 hr
- Issued by
- NWS Raleigh, NC
Counties Alamance County, NC, Davidson County, NC, Forsyth County, NC, Guilford County, NC, Person County, NC, Randolph County, NC, Stanly County, NC
The radar
The Raleigh/Durham radar (KRAX), 123 km from the middle of the area, began a volume at 08:09 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
Newport, NC (KMHX), launched 00:00Z, 8.2 hours before the alert went out and 295 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
- 1290 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 31, 4:11 AM EDT | Freeze Watch | RAH | Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 18 more | 24 hr |
| Oct 31, 3:04 PM EDT | Frost Advisory | RAH | Anson, Chatham, Durham, Franklin, Granville, Lee and 7 more | 19 hr |
Nearby
Freeze Warnings in North Carolina, 2023Every freeze warning in 2023
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.