Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

June 20, 2021Harnett County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jun 20, 2021, 12:29 PM EDT for Harnett County, North Carolina. It was in force for 61 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
Jun 20, 2021, 12:29 PM EDT (16:29 UTC)
Expired
Jun 20, 2021, 1:30 PM EDT
In force
61 min
Issued by
NWS Raleigh, NC

County Harnett County, NC

The radar

The Raleigh/Durham radar (KRAX), 40 km from the middle of the area, began a volume at 16:32 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, 4.5 hours before the alert went out and 147 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
9 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

950 
WWUS82 KRAH 201629
SPSRAH

Special Weather Statement
National Weather Service Raleigh NC
1229 PM EDT Sun Jun 20 2021
 
NCZ042-077-088-089-201730-
Johnston NC-Sampson NC-Harnett NC-Cumberland NC-
1229 PM EDT Sun Jun 20 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SAMPSON...
SOUTHEASTERN HARNETT...NORTH CENTRAL CUMBERLAND AND SOUTHWESTERN
JOHNSTON COUNTIES UNTIL 130 PM EDT...

At 1227 PM EDT, Doppler radar was tracking a strong thunderstorm near
Godwin, or 10 miles south of Lillington, moving northeast at 30 mph.

Wind gusts up to 50 mph will be possible with this storm.

Deadly cloud to ground lightning will also be possible with this
storm.

Locations impacted include...
Dunn, Benson, Godwin, Erwin, Coats, Four Oaks, Newton Grove, Falcon,
Linden and Spivey's Corner.

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.

Doppler radar has indicated weak rotation with this storm. If the
storm intensifies and rotation strengthens, a warning may need to be
issued.

&&

LAT...LON 3531 7893 3557 7841 3531 7829 3529 7830
      3527 7829 3515 7885
TIME...MOT...LOC 1627Z 240DEG 27KT 3525 7878 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 6:52 AM EDTSpecial Weather StatementRAHHoke, Scotland38 min
Jun 20, 7:37 AM EDTSpecial Weather StatementRAHHoke53 min
Jun 20, 8:23 AM EDTSpecial Weather StatementRAHCumberland52 min
Jun 20, 1:51 PM EDTSpecial Weather StatementRAHSampson, Wayne39 min
Jun 20, 2:07 PM EDTSevere Thunderstorm WarningRAHSampson, Wayne38 min
Jun 20, 2:17 PM EDTAreal Flood AdvisoryRAHSampson, Wayne58 min
Jun 20, 2:32 PM EDTSpecial Weather StatementRAHHarnett, Wake43 min
Jun 20, 3:21 PM EDTSpecial Weather StatementRAHHarnett, Lee39 min
Jun 20, 3:25 PM EDTSpecial Weather StatementRAHAnson50 min
Jun 20, 4:13 PM EDTSpecial Weather StatementRAHHarnett62 min
Jun 20, 4:31 PM EDTAreal Flood AdvisoryRAHHarnett3 hr
Jun 20, 6:24 PM EDTSpecial Weather StatementRAHCumberland, Hoke, Scotland66 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.