Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

May 28, 2021Davidson County, Guilford County, North Carolina

NWS Raleigh, NC issued this special weather statement at May 28, 2021, 5:13 PM EDT for Davidson County, Guilford County, North Carolina. It was in force for 62 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
May 28, 2021, 5:13 PM EDT (21:13 UTC)
Expired
May 28, 2021, 6:15 PM EDT
In force
62 min
Issued by
NWS Raleigh, NC

Counties Davidson County, NC, Guilford County, NC

The radar

The Roanoke radar (KFCX), 154 km from the middle of the area, began a volume at 21:17 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, 9.2 hours before the alert went out and 56 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
106 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

612 
WWUS82 KRAH 282113
SPSRAH

Special Weather Statement
National Weather Service Raleigh NC
513 PM EDT Fri May 28 2021
 
NCZ022-038-039-073-282215-
Guilford NC-Stanly NC-Randolph NC-Davidson NC-
513 PM EDT Fri May 28 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN DAVIDSON... 
NORTHWESTERN RANDOLPH...NORTH STANLY AND SOUTHEASTERN GUILFORD 
COUNTIES UNTIL 615 PM EDT...

At 512 PM EDT, Doppler radar was tracking a strong thunderstorm near
High Rock Lake, or 10 miles south of Lexington, moving northeast at
35 mph.

Wind gusts up to 45 mph will be possible with this storm.

Locations impacted include...
Greensboro, High Point, Lexington, Randleman, Thomasville,
McLeansville, Archdale, Trinity, Pleasant Garden and Jamestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter in a nearby building or vehicle. Wind gusts as high as 
45 mph are capable of knocking down tree limbs and blowing around 
trash cans, potted plants, lawn furniture and other light outdoor 
objects.

If on or near High Rock Lake, get out of the water and move indoors 
or inside a vehicle. Remember, lightning can strike out to 10 miles 
from the parent thunderstorm. If you can hear thunder, you are close 
enough to be struck by lightning. Move to safe shelter now! Do not 
be caught on the water in a thunderstorm.

&&

LAT...LON 3571 8032 3618 7978 3598 7955 3541 8032
      3545 8033 3550 8030 3551 8020 3552 8018
      3555 8020 3555 8021 3558 8021 3563 8026
      3564 8029 3567 8031 3568 8033 3569 8034
TIME...MOT...LOC 2112Z 226DEG 32KT 3566 8023 

$$

PWB

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 2:04 PM EDTSpecial Weather StatementRAHCumberland, Harnett, Hoke56 min
May 28, 3:00 PM EDTSpecial Weather StatementRAHCumberland, Sampson60 min
May 28, 3:30 PM EDTSpecial Weather StatementRAHJohnston, Wayne, Wilson60 min
May 28, 5:48 PM EDTSpecial Weather StatementRAHAlamance, Orange57 min
May 28, 6:23 PM EDTSpecial Weather StatementRAHChatham, Durham, Granville, Orange, Person, Vance52 min

Nearby

Special Weather Statements in North Carolina, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.