Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 209, NWS Blacksburg, VA

September 8, 2021Wilkes County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Sep 8, 2021, 3:04 PM EDT for Wilkes County, North Carolina. It was in force for 56 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
Sep 8, 2021, 3:04 PM EDT (19:04 UTC)
Expired
Sep 8, 2021, 4:00 PM EDT
In force
56 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Wilkes County, NC

The radar

The Roanoke radar (KFCX), 108 km from the middle of the area, began a volume at 19:07 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
Sep 8, 3:13 PM EDTHAIL 0.53 Nne Roaring River, NC

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, 7.1 hours before the alert went out and 104 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 2021-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1161 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.193958Sfc1 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
1161 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

995 
WUUS51 KRNK 081904
SVRRNK
NCC193-082000-
/O.NEW.KRNK.SV.W.0209.210908T1904Z-210908T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
304 PM EDT Wed Sep 8 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Wilkes County in northwestern North Carolina...

* Until 400 PM EDT.

* At 304 PM EDT, a severe thunderstorm was located near Wilkes County
  Airport, or near Ronda, moving east at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  North Wilkesboro...
  Wilkesboro...
  Ronda...
  Traphill...
  Mulberry...
  Buck...
  and Millers Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3612 8135 3619 8138 3639 8094 3637 8093
      3636 8090 3635 8090 3633 8087 3624 8087
      3618 8088
TIME...MOT...LOC 1904Z 259DEG 8KT 3624 8105 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RAB
4 follow-up statements
063 
WWUS51 KRNK 081916
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
316 PM EDT Wed Sep 8 2021

NCC193-082000-
/O.CON.KRNK.SV.W.0209.000000T0000Z-210908T2000Z/
Wilkes NC-
316 PM EDT Wed Sep 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHEASTERN WILKES COUNTY...

At 315 PM EDT, a severe thunderstorm was located over Wilkes County
Airport, or near North Wilkesboro, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
North Wilkesboro...
Ronda...
Traphill...
Hays...
Mulberry...
Pleasant Hill...
and Wilkes County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3639 8094 3637 8093 3636 8090 3635 8090
      3633 8087 3624 8087 3618 8088 3615 8115
      3622 8118 3630 8113
TIME...MOT...LOC 1915Z 253DEG 18KT 3620 8110 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DS
076 
WWUS51 KRNK 081934
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
334 PM EDT Wed Sep 8 2021

NCC193-082000-
/O.CON.KRNK.SV.W.0209.000000T0000Z-210908T2000Z/
Wilkes NC-
334 PM EDT Wed Sep 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL WILKES COUNTY...

At 334 PM EDT, a severe thunderstorm was located over Roaring River,
or near Ronda, moving east at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Ronda...
Pleasant Hill...
Wilkes County Airport...
Clingman...
Benham...
Roaring River...
and Hays.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3637 8093 3636 8090 3635 8090 3633 8087
      3624 8087 3618 8088 3616 8107 3622 8111
      3627 8109 3630 8103
TIME...MOT...LOC 1934Z 260DEG 14KT 3621 8101 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DS
890 
WWUS51 KRNK 081948
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
348 PM EDT Wed Sep 8 2021

NCC193-082000-
/O.CON.KRNK.SV.W.0209.000000T0000Z-210908T2000Z/
Wilkes NC-
348 PM EDT Wed Sep 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL WILKES COUNTY...

At 348 PM EDT, a severe thunderstorm was located over Ronda, moving
east at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ronda...
Pleasant Hill...
Benham...
Roaring River...
and Clingman.

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 3633 8087 3624 8087 3618 8088 3619 8096
      3622 8101 3625 8103 3628 8100
TIME...MOT...LOC 1948Z 260DEG 18KT 3622 8094 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DS
478 
WWUS51 KRNK 081955
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
355 PM EDT Wed Sep 8 2021

NCC193-082004-
/O.EXP.KRNK.SV.W.0209.000000T0000Z-210908T2000Z/
Wilkes NC-
355 PM EDT Wed Sep 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WILKES COUNTY 
WILL EXPIRE AT 400 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 3633 8087 3624 8087 3618 8088 3619 8096
      3622 8101 3625 8103 3628 8100
TIME...MOT...LOC 1954Z 259DEG 8KT 3622 8093 

$$

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 10:00 AM EDTSpecial Weather StatementRNKCaswell, Rockingham, Stokes60 min
Sep 8, 11:07 AM EDTSpecial Weather StatementRNKPerson38 min
Sep 8, 12:34 PM EDTSpecial Weather StatementRNKAlleghany56 min
Sep 8, 12:35 PM EDTSpecial Weather StatementRNKWilkes40 min
Sep 8, 1:27 PM EDTSpecial Weather StatementRNKSurry63 min
Sep 8, 1:32 PM EDTSevere Thunderstorm WarningRNKSurry58 min
Sep 8, 1:47 PM EDTTornado WarningRNKSurry28 min
Sep 8, 2:15 PM EDTSevere Thunderstorm WarningRNKSurry, Wilkes29 min
Sep 8, 2:20 PM EDTSevere Thunderstorm WarningRNKSurry26 min
Sep 8, 2:34 PM EDTSpecial Weather StatementRNKWilkes56 min
Sep 8, 2:54 PM EDTSpecial Weather StatementRNKSurry51 min
Sep 8, 3:31 PM EDTSevere Thunderstorm WarningRNKSurry, Yadkin33 min
Sep 8, 4:03 PM EDTSpecial Weather StatementRNKWilkes27 min
Sep 8, 6:06 PM EDTSpecial Weather StatementRNKYadkin24 min
Sep 8, 6:34 PM EDTSpecial Weather StatementRNKForsyth26 min
Sep 8, 7:01 PM EDTSpecial Weather StatementRNKStokes29 min
Sep 8, 7:40 PM EDTSpecial Weather StatementRNKStokes35 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.