Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Blacksburg, VA

March 18, 2021Caswell County, Rockingham County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 18, 2021, 5:32 PM EDT for Caswell County, Rockingham County, North Carolina. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 18, 2021, 5:32 PM EDT (21:32 UTC)
Expired
Mar 18, 2021, 6:30 PM EDT
In force
58 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Caswell County, NC, Rockingham County, NC

The radar

The Roanoke radar (KFCX), 107 km from the middle of the area, began a volume at 21:34 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.

What was reported inside it

TimeReportWhereRemark
Mar 18, 5:58 PM EDTTSTM WND DMG1 Sse Jericho, NCA FEW LARGE LIMBS DOWN ON EB TATE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.5 hours before the alert went out and 48 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 470 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
470 m²/s²
0-3 km storm-relative helicity
562 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

169 
WUUS51 KRNK 182132
SVRRNK
NCC033-157-182230-
/O.NEW.KRNK.SV.W.0002.210318T2132Z-210318T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
532 PM EDT Thu Mar 18 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southeastern Rockingham County in north central North Carolina...
  Caswell County in north central North Carolina...

* Until 630 PM EDT.

* At 531 PM EDT, a severe thunderstorm was located near McLeansville,
  or 11 miles northwest of Burlington, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Yanceyville...
  Jericho...
  Prospect Hill...
  Camp Springs...
  Providence...
  Milton...
  and Quick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3625 7973 3654 7930 3654 7914 3624 7915
      3625 7953 3624 7953 3624 7957
TIME...MOT...LOC 2131Z 233DEG 43KT 3615 7963 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

RR
5 follow-up statements
911 
WWUS51 KRNK 182153
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
553 PM EDT Thu Mar 18 2021

NCC033-157-182230-
/O.CON.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Rockingham NC-Caswell NC-
553 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR
SOUTHEASTERN ROCKINGHAM AND CASWELL COUNTIES...

At 553 PM EDT, a severe thunderstorm was located over Jericho, moving
northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Yanceyville...
Jericho...
Prospect Hill...
Camp Springs...
Milton...
Blanch...
and Leasburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for DAMAGING WINDS. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3654 7930 3654 7914 3624 7915 3625 7953
      3624 7953 3624 7962
TIME...MOT...LOC 2153Z 233DEG 43KT 3631 7937 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

RR
433 
WWUS51 KRNK 182208
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
608 PM EDT Thu Mar 18 2021

NCC157-182218-
/O.CAN.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Rockingham NC-
608 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHEASTERN ROCKINGHAM COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

LAT...LON 3654 7930 3654 7914 3624 7915 3625 7951
      3637 7948
TIME...MOT...LOC 2208Z 233DEG 43KT 3642 7919 

$$

NCC033-182230-
/O.CON.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Caswell NC-
608 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR
CASWELL COUNTY...

At 608 PM EDT, a severe thunderstorm was located over Leasburg, or 8
miles east of Yanceyville, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Yanceyville...
Jericho...
Prospect Hill...
Camp Springs...
Milton...
Blanch...
and Leasburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for DAMAGING WINDS. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3654 7930 3654 7914 3624 7915 3625 7951
      3637 7948
TIME...MOT...LOC 2208Z 233DEG 43KT 3642 7919 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

RR
205 
WWUS51 KRNK 182221
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
621 PM EDT Thu Mar 18 2021

NCC033-182230-
/O.CON.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Caswell NC-
621 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR
EASTERN CASWELL COUNTY...

At 621 PM EDT, a severe thunderstorm was located near Alton, or near
Turbeville, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Prospect Hill...
Milton...
Leasburg...
Semora...
Topnot...
Hightowers...
and Baynes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for DAMAGING WINDS. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3654 7922 3654 7914 3624 7915 3624 7931
TIME...MOT...LOC 2221Z 233DEG 43KT 3652 7903 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

RR
262 
WWUS51 KRNK 182222 CCA
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
622 PM EDT Thu Mar 18 2021

NCC033-182230-
/O.COR.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Caswell NC-
622 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR
EASTERN CASWELL COUNTY...

At 622 PM EDT, a severe thunderstorm was located near Alton, or near
Turbeville, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Prospect Hill...
Milton...
Leasburg...
Semora...
Topnot...
Hightowers...
and Baynes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

&&

LAT...LON 3654 7922 3654 7914 3624 7915 3624 7931
TIME...MOT...LOC 2221Z 233DEG 43KT 3652 7903 

HAIL...<.75IN
WIND...60MPH
 
$$

RR
602 
WWUS51 KRNK 182227
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
627 PM EDT Thu Mar 18 2021

NCC033-182237-
/O.EXP.KRNK.SV.W.0002.000000T0000Z-210318T2230Z/
Caswell NC-
627 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
EASTERN CASWELL COUNTY WILL EXPIRE AT 630 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.

LAT...LON 3654 7922 3654 7914 3624 7915 3624 7931
TIME...MOT...LOC 2227Z 233DEG 43KT 3656 7897 

$$

RR

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 2:46 AM EDTSpecial Weather StatementRNKStokes29 min
Mar 18, 2:47 PM EDTSpecial Weather StatementRNKStokes, Surry43 min
Mar 18, 3:34 PM EDTSpecial Weather StatementRNKStokes, Yadkin41 min
Mar 18, 4:15 PM EDTSpecial Weather StatementRNKRockingham, Stokes30 min
Mar 18, 4:44 PM EDTSpecial Weather StatementRNKCaswell, Rockingham31 min
Mar 18, 5:15 PM EDTSpecial Weather StatementRNKCaswell, Rockingham30 min
Mar 18, 5:19 PM EDTSevere Thunderstorm WarningRNKWatauga26 min
Mar 18, 5:37 PM EDTTornado WarningRNKCaswell, Rockingham23 min
Mar 18, 5:42 PM EDTSevere Thunderstorm WarningRNKAshe, Watauga, Wilkes33 min
Mar 18, 6:00 PM EDTTornado WarningRNKCaswell22 min
Mar 18, 6:14 PM EDTSpecial Weather StatementRNKAshe31 min
Mar 18, 6:52 PM EDTSpecial Weather StatementRNKAlleghany23 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.