Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 211, NWS Blacksburg, VA

September 8, 2021Surry County, Yadkin County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Sep 8, 2021, 3:31 PM EDT for Surry County, Yadkin 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: Sep 8, 2021, 3:31 PM EDT (19:31 UTC)
Expired: Sep 8, 2021, 4:04 PM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Surry County, NC, Yadkin County, NC

The radar

The Roanoke radar (KFCX), 94 km from the middle of the area, began a volume at 19:32 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, 7.5 hours before the alert went out and 80 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

633 
WUUS51 KRNK 081931
SVRRNK
NCC171-197-082015-
/O.NEW.KRNK.SV.W.0211.210908T1931Z-210908T2015Z/

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

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southwestern Surry County in northwestern North Carolina...
  Northwestern Yadkin County in northwestern North Carolina...

* Until 415 PM EDT.

* At 331 PM EDT, a severe thunderstorm was located over Pleasant
  Hill, or over Elkin, 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...
  Elkin...
  Fairview...
  Jonesville...
  Boonville...
  Nebo...
  State Road...
  and Level Cross.

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.

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 3640 8060 3617 8056 3615 8088
TIME...MOT...LOC 1931Z 257DEG 16KT 3626 8088 

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

$$

DS

2 follow-up statements

971 
WWUS51 KRNK 081950
SVSRNK

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

NCC171-197-082015-
/O.CON.KRNK.SV.W.0211.000000T0000Z-210908T2015Z/
Surry NC-Yadkin NC-
350 PM EDT Wed Sep 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR SOUTHWESTERN SURRY AND NORTHWESTERN YADKIN COUNTIES...

At 350 PM EDT, a severe thunderstorm was located over Burch, or near
Boonville, moving east at 25 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...
Elkin...
Fairview...
Jonesville...
Boonville...
Nebo...
State Road...
and Level Cross.

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.

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 3640 8060 3617 8056 3615 8088
TIME...MOT...LOC 1950Z 257DEG 20KT 3628 8076 

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

$$

DS

467 
WWUS51 KRNK 082004
SVSRNK

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

NCC171-197-082014-
/O.CAN.KRNK.SV.W.0211.000000T0000Z-210908T2015Z/
Surry NC-Yadkin NC-
404 PM EDT Wed Sep 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHWESTERN SURRY AND NORTHWESTERN YADKIN COUNTIES IS CANCELLED...
                
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 has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3633 8087 3640 8060 3617 8056 3615 8088
TIME...MOT...LOC 2003Z 257DEG 16KT 3629 8068 

$$

ET

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 10:00 AM EDT	Special Weather Statement	RNK	Caswell, Rockingham, Stokes	60 min
Sep 8, 11:07 AM EDT	Special Weather Statement	RNK	Person	38 min
Sep 8, 12:34 PM EDT	Special Weather Statement	RNK	Alleghany	56 min
Sep 8, 12:35 PM EDT	Special Weather Statement	RNK	Wilkes	40 min
Sep 8, 1:27 PM EDT	Special Weather Statement	RNK	Surry	63 min
Sep 8, 1:32 PM EDT	Severe Thunderstorm Warning	RNK	Surry	58 min
Sep 8, 1:47 PM EDT	Tornado Warning	RNK	Surry	28 min
Sep 8, 2:15 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Wilkes	29 min
Sep 8, 2:20 PM EDT	Severe Thunderstorm Warning	RNK	Surry	26 min
Sep 8, 2:34 PM EDT	Special Weather Statement	RNK	Wilkes	56 min
Sep 8, 2:54 PM EDT	Special Weather Statement	RNK	Surry	51 min
Sep 8, 3:04 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes	56 min
Sep 8, 4:03 PM EDT	Special Weather Statement	RNK	Wilkes	27 min
Sep 8, 6:06 PM EDT	Special Weather Statement	RNK	Yadkin	24 min
Sep 8, 6:34 PM EDT	Special Weather Statement	RNK	Forsyth	26 min
Sep 8, 7:01 PM EDT	Special Weather Statement	RNK	Stokes	29 min
Sep 8, 7:40 PM EDT	Special Weather Statement	RNK	Stokes	35 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.