Alert archive / Virginia / Freeze Warnings in 2021
Freeze Warning 4, NWS Blacksburg, VA
NWS Blacksburg, VA issued this freeze warning at Nov 4, 2021, 4:02 AM 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 8 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
- Nov 4, 2021, 4:02 AM EDT (08:02 UTC)
- In effect from
- Nov 5, 2021, 2:00 AM EDT
- Expired
- Nov 5, 2021, 10:04 AM EDT
- In force
- 8 hr
- 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 08:05 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, 8.0 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
- 1768 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
576 WWUS71 KRNK 040802 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 402 AM EDT Thu Nov 4 2021 NCZ003>006-019-020-VAZ032-043-044-058-041700- /O.UPG.KRNK.FZ.A.0005.211105T0600Z-211105T1500Z/ /O.NEW.KRNK.FZ.W.0004.211105T0600Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 402 AM EDT Thu Nov 4 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...In Virginia, Patrick, Henry, Pittsylvania and Halifax Counties. In North Carolina, Surry, Stokes, Rockingham, Caswell, Wilkes and Yadkin Counties. * WHEN...From 2 AM to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
5 follow-up statements
718 WWUS71 KRNK 041429 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1029 AM EDT Thu Nov 4 2021 NCZ003>006-019-020-VAZ032-043-044-058-050430- /O.CON.KRNK.FZ.W.0004.211105T0600Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 1029 AM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...In Virginia, Patrick, Henry, Pittsylvania and Halifax Counties. In North Carolina, Surry, Stokes, Rockingham, Caswell, Wilkes and Yadkin Counties. * WHEN...From 2 AM to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
717 WWUS71 KRNK 050107 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 907 PM EDT Thu Nov 4 2021 NCZ003>006-019-020-VAZ032-043-044-058-051000- /O.CON.KRNK.FZ.W.0004.211105T0600Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 907 PM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...In Virginia, Patrick, Henry, Pittsylvania and Halifax Counties. In North Carolina, Surry, Stokes, Rockingham, Caswell, Wilkes and Yadkin Counties. * WHEN...From 2 AM to 11 AM EDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
154 WWUS71 KRNK 050818 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 418 AM EDT Fri Nov 5 2021 NCZ003>006-019-020-VAZ032-043-044-058-051415- /O.CON.KRNK.FZ.W.0004.000000T0000Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 418 AM EDT Fri Nov 5 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures. * WHERE...In Virginia, Patrick, Henry, Pittsylvania and Halifax Counties. In North Carolina, Surry, Stokes, Rockingham, Caswell, Wilkes and Yadkin Counties. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. * ADDITIONAL DETAILS...this mornings hard freeze will likely bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you wish to extend the growing season, steps must be taken to protect plants that are not cold tolerant. && $$
522 WWUS71 KRNK 051316 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 916 AM EDT Fri Nov 5 2021 NCZ003>006-019-020-VAZ032-043-044-058-051500- /O.CON.KRNK.FZ.W.0004.000000T0000Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 916 AM EDT Fri Nov 5 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures. * WHERE...In Virginia, Patrick, Henry, Pittsylvania and Halifax Counties. In North Carolina, Surry, Stokes, Rockingham, Caswell, Wilkes and Yadkin Counties. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation. * ADDITIONAL DETAILS...This mornings hard freeze will likely bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you wish to extend the growing season, steps must be taken to protect plants that are not cold tolerant. && $$
688 WWUS71 KRNK 051404 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1004 AM EDT Fri Nov 5 2021 NCZ003>006-019-020-VAZ032-043-044-058-051515- /O.CAN.KRNK.FZ.W.0004.000000T0000Z-211105T1500Z/ Surry-Stokes-Rockingham-Caswell-Wilkes-Yadkin-Patrick-Henry- Pittsylvania-Halifax- Including the cities of Dobson, Danbury, Eden, Yanceyville, Wilkesboro, Yadkinville, Stuart, Martinsville, Danville, and South Boston 1004 AM EDT Fri Nov 5 2021 ...FREEZE WARNING IS CANCELLED... Temperatures are gradually coming up this morning, and are generally above freezing at this time. Readings should warm into the upper 40s to lower 50s by this afternoon. $$ SHH
Nearby
Freeze Warnings in Virginia, 2021Freeze Warnings in North Carolina, 2021Every freeze warning 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.