Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 62, NWS Raleigh, NC

May 29, 2021Davidson County, Randolph County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 29, 2021, 4:00 PM EDT for Davidson County, Randolph County, North Carolina. It was in force for 45 min. 2 reports 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: May 29, 2021, 4:00 PM EDT (20:00 UTC)
Expired: May 29, 2021, 4:45 PM EDT
In force: 45 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Davidson County, NC, Randolph County, NC

The radar

The Roanoke radar (KFCX), 145 km from the middle of the area, began a volume at 20:00 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
May 29, 4:20 PM EDT	HAIL 1	5 Nnw High Rock, NC	PUBLIC REPORTS QUARTER SIZE HAIL AT HIGH ROCK LAKE.
May 29, 4:48 PM EDT	HAIL 1	3 Se Denton, NC	SEVERAL REPORTS OF QUARTER SIZE OR LARGER HAIL NEAR THE TOWN OF DENTON.

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, 8.0 hours before the alert went out and 53 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: 111 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 695 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

636 
WUUS52 KRAH 292000
SVRRAH
NCC057-151-292045-
/O.NEW.KRAH.SV.W.0062.210529T2000Z-210529T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
400 PM EDT Sat May 29 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Southern Davidson County in central North Carolina...
  Western Randolph County in central North Carolina...

* Until 445 PM EDT.

* At 359 PM EDT, a severe thunderstorm was located over Spencer, or
  near Salisbury, moving east at 35 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...
  High Point, Lexington, Thomasville, Linwood, Archdale, Trinity,
  Denton, Gordontown, High Rock Lake and High Rock Boat Dock Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3577 8045 3592 8004 3591 7988 3558 7993
      3557 8021 3563 8026 3564 8029 3567 8031
      3568 8033 3571 8032 3572 8033 3572 8038
      3573 8039 3572 8042 3574 8046
TIME...MOT...LOC 1959Z 252DEG 31KT 3567 8040 

HAIL...1.00IN
WIND...60MPH
 
$$

10

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 2:06 PM EDT	Special Weather Statement	RAH	Alamance, Davidson, Forsyth, Guilford, Orange, Person	54 min
May 29, 2:34 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Davidson, Forsyth, Guilford, Randolph	56 min
May 29, 3:20 PM EDT	Special Weather Statement	RAH	Orange	55 min
May 29, 3:25 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Guilford	38 min
May 29, 4:13 PM EDT	Special Weather Statement	RAH	Randolph	62 min
May 29, 4:21 PM EDT	Special Weather Statement	RAH	Johnston	54 min
May 29, 4:30 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston	45 min
May 29, 4:45 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	60 min
May 29, 5:14 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wayne, Wilson	46 min
May 29, 5:19 PM EDT	Special Weather Statement	RAH	Harnett, Lee	56 min
May 29, 5:23 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Lee, Moore	52 min
May 29, 5:49 PM EDT	Special Weather Statement	RAH	Montgomery	56 min
May 29, 5:51 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Wayne, Wilson	39 min
May 29, 6:13 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston	47 min
May 29, 6:27 PM EDT	Special Weather Statement	RAH	Moore	63 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.