Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 60, NWS Raleigh, NC

May 29, 20215 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 29, 2021, 2:34 PM EDT for 5 counties in North Carolina. It was in force for 56 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, 2:34 PM EDT (18:34 UTC)
Expired: May 29, 2021, 3:30 PM EDT
In force: 56 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Alamance County, NC, Davidson County, NC, Forsyth County, NC, Guilford County, NC, Randolph County, NC

The radar

The Roanoke radar (KFCX), 115 km from the middle of the area, began a volume at 18:36 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, 3:16 PM EDT	TSTM WND DMG	3 Sw Pleasant Garden, NC	TREES DOWN NEAR THE INTERSECTION OF RANDLEMAN RD AND OLD RANDLEMAN RD.
May 29, 3:23 PM EDT	TSTM WND DMG	1 Se Pleasant Garden, NC	TREES REPORTED DOWN NEAR THE INTERSECTION OF HUNT RD AND WALTER WRIGHT RD.
May 29, 3:31 PM EDT	HAIL 1	2 Sse Forest Oaks, NC	QUART SIZE HAIL REPORTED AT CORNER OF WOODY MILL ROAD AND LIBERTY ROAD IN FOREST OAKS.

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, 6.6 hours before the alert went out and 7 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.

715 
WUUS52 KRAH 291834
SVRRAH
NCC001-057-067-081-151-291930-
/O.NEW.KRAH.SV.W.0060.210529T1834Z-210529T1930Z/

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

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Northwestern Alamance County in central North Carolina...
  East central Forsyth County in central North Carolina...
  Northeastern Davidson County in central North Carolina...
  Northern Randolph County in central North Carolina...
  Guilford County in central North Carolina...

* Until 330 PM EDT.

* At 234 PM EDT, a cluster of severe thunderstorms were located 
  along a line extending from 6 miles west of Greensboro to 
  Thomasville, moving east at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Greensboro, High Point, Burlington, Asheboro, Graham, Randleman,
  Thomasville, Kernersville, Elon and McLeansville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

&&

LAT...LON 3617 8003 3625 7975 3624 7926 3576 7966
      3576 8023
TIME...MOT...LOC 1834Z 254DEG 15KT 3608 7994 3589 8010 

HAIL...<.75IN
WIND...60MPH
 
$$

10

2 follow-up statements

029 
WWUS52 KRAH 291854
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
254 PM EDT Sat May 29 2021

NCC057-067-291904-
/O.CAN.KRAH.SV.W.0060.000000T0000Z-210529T1930Z/
Forsyth NC-Davidson NC-
254 PM EDT Sat May 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL FORSYTH AND
NORTHEASTERN DAVIDSON COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3624 7926 3576 7966 3576 8005 3616 8004
      3625 7977
TIME...MOT...LOC 1854Z 256DEG 15KT 3611 7984 3589 8000 

$$

NCC001-081-151-291930-
/O.CON.KRAH.SV.W.0060.000000T0000Z-210529T1930Z/
Alamance NC-Randolph NC-Guilford NC-
254 PM EDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHWESTERN ALAMANCE...NORTHERN RANDOLPH AND GUILFORD
COUNTIES...

At 254 PM EDT, severe thunderstorms were located along a line
extending from near Greensboro to near High Point, moving east at 15
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Greensboro, High Point, Burlington, Asheboro, Graham, Randleman,
Elon, McLeansville, Archdale and Summerfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

&&

LAT...LON 3624 7926 3576 7966 3576 8005 3616 8004
      3625 7977
TIME...MOT...LOC 1854Z 256DEG 15KT 3611 7984 3589 8000 

HAIL...<.75IN
WIND...60MPH
 
$$

10

240 
WWUS52 KRAH 291911
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
311 PM EDT Sat May 29 2021

NCC001-081-151-291930-
/O.CON.KRAH.SV.W.0060.000000T0000Z-210529T1930Z/
Alamance NC-Randolph NC-Guilford NC-
311 PM EDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR NORTHWESTERN ALAMANCE...NORTHERN RANDOLPH AND GUILFORD
COUNTIES...

At 310 PM EDT, a cluster of severe thunderstorms were located along 
a line extending from near High Point to near Greensboro, moving 
east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Greensboro, High Point, Burlington, Graham, Randleman, Elon,
McLeansville, Archdale, Trinity and Gibsonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

&&

LAT...LON 3624 7926 3576 7966 3585 8005 3586 8005
      3599 7998 3625 7977
TIME...MOT...LOC 1910Z 254DEG 15KT 3613 7977 3591 7993 

HAIL...<.75IN
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, 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, 4:13 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.