Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

July 14, 2021Randolph County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 14, 2021, 6:21 PM EDT for Randolph County, North Carolina. It was in force for 54 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
Jul 14, 2021, 6:21 PM EDT (22:21 UTC)
Expired
Jul 14, 2021, 7:15 PM EDT
In force
54 min
Issued by
NWS Raleigh, NC

County Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 117 km from the middle of the area, began a volume at 22:22 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

TimeReportWhereRemark
Jul 14, 6:42 PM EDTTSTM WND DMG3 Sw Randleman, NCSEVERAL TREES DOWN ACROSS THE NORTHERN HALF OF THE COUNTY.

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, 10.4 hours before the alert went out and 34 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 2021-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 95 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 2021-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
95 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1024 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

848 
WWUS82 KRAH 142221
SPSRAH

Special Weather Statement
National Weather Service Raleigh NC
621 PM EDT Wed Jul 14 2021
 
NCZ039-142315-
Randolph NC-
621 PM EDT Wed Jul 14 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN RANDOLPH COUNTY UNTIL 
715 PM EDT...

At 620 PM EDT, Doppler radar was tracking a strong thunderstorm over
Randleman, moving east at 20 mph.

Half inch hail and wind gusts up to 50 mph will be possible with 
this storm.  Heavy rain and minor flooding and deadly cloud to 
ground lightning will also be possible with this storm.

Locations impacted include...
Asheboro, Randleman, Liberty, Ramseur, Franklinville, Staley and
Randleman Regional Reservior Marina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3572 7993 3591 7993 3590 7955 3570 7955
TIME...MOT...LOC 2220Z 270DEG 16KT 3583 7984 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:49 PM EDTSpecial Weather StatementRAHPerson56 min
Jul 14, 2:57 PM EDTSpecial Weather StatementRAHCaswell63 min
Jul 14, 3:51 PM EDTAreal Flood AdvisoryRAHAlamance, Guilford, Orange3 hr
Jul 14, 4:41 PM EDTSpecial Weather StatementRAHAlamance, Guilford64 min
Jul 14, 4:46 PM EDTSpecial Weather StatementRAHForsyth59 min
Jul 14, 5:11 PM EDTAreal Flood AdvisoryRAHDavidson, Guilford, Randolph64 min
Jul 14, 5:29 PM EDTSpecial Weather StatementRAHDavidson, Randolph61 min
Jul 14, 5:49 PM EDTAreal Flood AdvisoryRAHDavidson, Guilford, Randolph116 min
Jul 14, 6:50 PM EDTFlash Flood Warning Considerable damage threatRAHRandolph115 min
Jul 14, 7:23 PM EDTSpecial Weather StatementRAHWake52 min
Jul 14, 7:32 PM EDTSpecial Weather StatementRAHMontgomery, Moore, Stanly58 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.