Alert archive / North Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at May 3, 2021, 2:12 PM EDT for Caswell County, North Carolina. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 3, 2021, 2:12 PM EDT (18:12 UTC)
- Expired
- May 3, 2021, 2:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Blacksburg, VA
County Caswell County, NC
The radar
The Roanoke radar (KFCX), 96 km from the middle of the area, began a volume at 18:13 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, 6.2 hours before the alert went out and 33 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
- 631 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at May 3, 1:36 PM EDT, 36 minutes earlier.
Area forecast discussion, May 3, 1:36 PM EDT, 36 minutes before
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</html>Hazardous weather outlook, May 3, 4:25 AM EDT, 9 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Blacksburg VA 425 AM EDT Mon May 3 2021 NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059- WVZ042>044-507-508-040830- Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes- Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson- Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge- Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania-Campbell- Appomattox-Buckingham-Halifax-Charlotte-Mercer-Summers-Monroe- Eastern Greenbrier-Western Greenbrier- 425 AM EDT Mon May 3 2021 This Hazardous Weather Outlook is for north central North Carolina, northwest North Carolina, central Virginia, south central Virginia, southwest Virginia, west central Virginia and southeast West Virginia. .DAY ONE...Today and tonight. There is a marginal risk for severe storms this afternoon and evening. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. There is a slight risk for severe storms Tuesday. Beyond Tuesday the probability for hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed.
In the hours before
Special weather statement, May 3, 8:14 AM EDT, 5 hours 58 minutes before
Special Weather Statement
National Weather Service BLACKSBURG VA
814 AM EDT Mon May 3 2021
NCZ020-031230-
Yadkin-
814 AM EDT Mon May 3 2021
...A STRONG THUNDERSTORM WILL AFFECT
SOUTHEASTERN YADKIN COUNTY...
At 813 AM EDT, a strong thunderstorm was located near Harmony, or 10
miles northwest of Mocksville, moving east at 25 mph.
Winds in excess of 30 mph are possible with this storm.
Locations impacted include...
Courtney...
and Huntsville.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 3605 8072 3612 8045 3610 8051 3606 8051
3605 8050
TIME...MOT...LOC 1213Z 250DEG 24KT 3597 8072
RRSpecial weather statement, May 3, 12:04 PM EDT, 2 hours 8 minutes before
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</html>Special weather statement, May 3, 2:12 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:41 AM EDT | Special Weather Statement | RNK | Halifax | 49 min |
| May 3, 5:22 PM EDT | Special Weather Statement | RNK | Carroll, City of Galax | 38 min |
| May 3, 8:14 AM EDT | Special Weather Statement | RNK | Yadkin | 16 min |
| May 3, 12:04 PM EDT | Special Weather Statement | RNK | Yadkin | 26 min |
Nearby
Special Weather Statements in North Carolina, 2021Every special weather statement 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.