Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 134, NWS Raleigh, NC

December 11, 2021Davidson County, Guilford County, Randolph County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Dec 11, 2021, 5:54 PM EST for Davidson County, Guilford County, Randolph County, North Carolina. It was in force for 36 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: Dec 11, 2021, 5:54 PM EST (22:54 UTC)
Expired: Dec 11, 2021, 6:30 PM EST
In force: 36 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Davidson County, NC, Guilford County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 118 km from the middle of the area, began a volume at 22:54 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

Time	Report	Where	Remark
Dec 11, 5:55 PM EST	TSTM WND DMG	2 Se Gordontown, NC	MULTIPLE TREES DOWN IN SILVER VALLEY.

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, 10.9 hours before the alert went out and 28 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 481 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

897 
WUUS52 KRAH 112254
SVRRAH
NCC057-081-151-112330-
/O.NEW.KRAH.SV.W.0134.211211T2254Z-211211T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
554 PM EST Sat Dec 11 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  East central Davidson County in central North Carolina...
  Northern Randolph County in central North Carolina...
  Southeastern Guilford County in central North Carolina...

* Until 630 PM EST.

* At 554 PM EST, a severe thunderstorm was located 11 miles south of
  Thomasville, or 12 miles southeast of Lexington, moving northeast
  at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Asheboro, Randleman, Pleasant Garden, Liberty, Ramseur, Denton,
  Franklinville, Staley, Climax and Gordontown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3605 7954 3577 7955 3560 8009 3577 8019
TIME...MOT...LOC 2254Z 245DEG 52KT 3572 8006 

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

$$

Green

1 follow-up statement

860 
WWUS52 KRAH 112316
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
616 PM EST Sat Dec 11 2021

NCC057-112325-
/O.CAN.KRAH.SV.W.0134.000000T0000Z-211211T2330Z/
Davidson NC-
616 PM EST Sat Dec 11 2021

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

LAT...LON 3605 7954 3577 7955 3567 7988 3590 7988
TIME...MOT...LOC 2315Z 250DEG 45KT 3586 7966 

$$

NCC081-151-112330-
/O.CON.KRAH.SV.W.0134.000000T0000Z-211211T2330Z/
Randolph NC-Guilford NC-
616 PM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EST
FOR NORTHEASTERN RANDOLPH AND SOUTHEASTERN GUILFORD COUNTIES...

At 615 PM EST, a severe thunderstorm was located 8 miles east of
Randleman, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Law enforcement.

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

Locations impacted include...
Asheboro, Randleman, Pleasant Garden, Liberty, Ramseur,
Franklinville, Staley, Climax, Randleman Regional Reservior Marina
and Forest Oaks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3605 7954 3577 7955 3567 7988 3590 7988
TIME...MOT...LOC 2315Z 250DEG 45KT 3586 7966 

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

$$

Green

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 11, 3:58 PM EST	Special Weather Statement	RAH	Forsyth	47 min
Dec 11, 4:36 PM EST	Special Weather Statement	RAH	Davidson, Randolph	39 min
Dec 11, 4:52 PM EST	Special Weather Statement	RAH	Forsyth, Guilford	53 min
Dec 11, 5:19 PM EST	Special Weather Statement	RAH	Alamance, Davidson, Guilford, Randolph	56 min
Dec 11, 5:24 PM EST	Special Weather Statement	RAH	Montgomery, Stanly	36 min
Dec 11, 5:27 PM EST	Special Weather Statement	RAH	Montgomery, Stanly	33 min
Dec 11, 5:56 PM EST	Special Weather Statement	RAH	Anson, Montgomery, Richmond, Stanly	34 min
Dec 11, 6:05 PM EST	Severe Thunderstorm Warning	RAH	Alamance, Guilford	40 min
Dec 11, 6:13 PM EST	Severe Thunderstorm Warning	RAH	Anson, Chatham, Lee, Montgomery, Moore, Randolph and 1 more	47 min
Dec 11, 6:15 PM EST	Special Weather Statement	RAH	Granville, Person, Vance	45 min
Dec 11, 6:30 PM EST	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Guilford, Orange, Randolph	45 min
Dec 11, 6:44 PM EST	Severe Thunderstorm Warning	RAH	Alamance, Orange	46 min
Dec 11, 6:59 PM EST	Special Weather Statement	RAH	Franklin, Granville, Vance, Warren	61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.