Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

May 29, 2021Randolph County, North Carolina

NWS Raleigh, NC issued this special weather statement at May 29, 2021, 4:13 PM EDT for Randolph County, North Carolina. It was in force for 62 min. 3 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, 4:13 PM EDT (20:13 UTC)
Expired: May 29, 2021, 5:15 PM EDT
In force: 62 min
Issued by: NWS Raleigh, NC

County Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 145 km from the middle of the area, began a volume at 20:14 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.
May 29, 5:18 PM EDT	TSTM WND DMG	4 Ese Ulah, NC	TREE DOWN ACROSS THE ROADWAY NEAR OLD COX RD NEAR THE NORTH CAROLINA ZOO.

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, 8.2 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-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.

344 
WWUS82 KRAH 292013
SPSRAH

Special Weather Statement
National Weather Service Raleigh NC
413 PM EDT Sat May 29 2021
 
NCZ038-039-292115-
Randolph NC-Davidson NC-
413 PM EDT Sat May 29 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN DAVIDSON AND RANDOLPH
COUNTIES UNTIL 515 PM EDT...

At 412 PM EDT, Doppler radar was tracking a strong thunderstorm over
High Rock Lake, or 9 miles south of Lexington, moving east at 35 mph.

Nickel size hail and wind gusts up to 40 mph will be possible with
this storm.

Locations impacted include...
Asheboro, Lexington, Randleman, North Carolina Zoo, Seagrove,
Linwood, Ramseur, Denton, Franklinville and Gordontown.

LAT...LON 3588 7966 3551 7956 3551 8018 3555 8021
      3558 8021 3568 8033 3572 8033 3572 8042
      3576 8042
TIME...MOT...LOC 2012Z 257DEG 30KT 3568 8030 

$$

PWB

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, 4:00 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	45 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

Special Weather Statements in North Carolina, 2021 Every special weather statement 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.