Alert archive / Virginia / Freeze Watches in 2021
Freeze Watch 5, NWS Blacksburg, VA
NWS Blacksburg, VA issued this freeze watch at Nov 3, 2021, 1:50 PM EDT for 6 counties in Virginia; 6 counties in North Carolina. It took effect at Nov 5, 2021, 2:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 3, 2021, 1:50 PM EDT (17:50 UTC)
- In effect from
- Nov 5, 2021, 2:00 AM EDT
- Expired
- Nov 4, 2021, 4:02 AM EDT
- In force
- Issued by
- NWS Blacksburg, VA
Counties Caswell County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC, City of Danville, VA, City of Martinsville, VA, Halifax County, VA, Henry County, VA, Patrick County, VA, Pittsylvania County, VA
The radar
The Roanoke radar (KFCX), 62 km from the middle of the area, began a volume at 17:55 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, 5.8 hours before the alert went out and 49 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
- 1747 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -66 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Freeze Watches in Virginia, 2021Freeze Watches in North Carolina, 2021Every freeze watch in 2021
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.