Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Raleigh, NC

April 9, 2021Warren County, North Carolina

NWS Raleigh, NC issued this special weather statement at Apr 9, 2021, 6:21 PM EDT for Warren County, North Carolina. It was in force for 54 min. 2 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
Apr 9, 2021, 6:21 PM EDT (22:21 UTC)
Expired
Apr 9, 2021, 7:15 PM EDT
In force
54 min
Issued by
NWS Raleigh, NC

County Warren County, NC

The radar

The Norfolk radar (KAKQ), 95 km from the middle of the area, began a volume at 22:23 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
Apr 9, 6:45 PM EDTTSTM WND DMG1 N Roanoke Rapids, NCTREE DOWN AT THE 600 BLOCK OF ROANOKE AVE IN ROANOKE RAPIDS.
Apr 9, 6:45 PM EDTTSTM WND DMG1 Ssw Roanoke Rapids, NCTREE DOWN AT THE 100 BLOCK OF LOVE ST IN ROANOKE RAPIDS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.4 hours before the alert went out and 168 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, Roanoke, VA at 12:00Z on 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 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, Roanoke, VA at 12:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
132 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

689 
WWUS82 KRAH 092221
SPSRAH

Special Weather Statement
National Weather Service Raleigh NC
621 PM EDT Fri Apr 9 2021
 
NCZ010-011-092315-
Warren NC-Halifax NC-
621 PM EDT Fri Apr 9 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL WARREN AND
NORTHWESTERN HALIFAX COUNTIES UNTIL 715 PM EDT...

At 620 PM EDT, Doppler radar was tracking a line of strong 
thunderstorms along a line extending from near Gasburg, VA to near 
Warrenton, NC. Movement was east at 20 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Roanoke Rapids, Warrenton, Littleton, Macon, Airlie, Rosemary, Afton,
Lake Gaston, Southpointe And Morningstar Marinas and Arcola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If on or near Kerr 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.

&&

A Severe Thunderstorm Watch remains in effect until midnight EDT for
central North Carolina.

LAT...LON 3651 7790 3650 7782 3648 7777 3648 7775
      3649 7773 3648 7768 3648 7765 3645 7763
      3644 7761 3627 7793 3634 7828 3638 7829
      3655 7798 3654 7790
TIME...MOT...LOC 2220Z 275DEG 16KT 3658 7784 3638 7820 

$$

Green

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 3:02 PM EDTSpecial Weather StatementRAHScotland58 min
Apr 9, 3:38 PM EDTSpecial Weather StatementRAHLee67 min
Apr 9, 3:41 PM EDTSpecial Weather StatementRAHHoke, Richmond, Scotland64 min
Apr 9, 3:57 PM EDTSevere Thunderstorm WarningRAHHoke, Moore, Richmond, Scotland22 min
Apr 9, 4:10 PM EDTSevere Thunderstorm WarningRAHGranville, Person50 min
Apr 9, 4:29 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake46 min
Apr 9, 4:44 PM EDTSevere Thunderstorm WarningRAHGranville46 min
Apr 9, 4:49 PM EDTSpecial Weather StatementRAHScotland56 min
Apr 9, 4:53 PM EDTAreal Flood AdvisoryRAHScotland112 min
Apr 9, 5:09 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake51 min
Apr 9, 5:12 PM EDTSevere Thunderstorm WarningRAHGranville, Vance, Warren63 min
Apr 9, 5:23 PM EDTAreal Flood AdvisoryRAHHarnett, Johnston, Wake3 hr
Apr 9, 5:23 PM EDTSpecial Weather StatementRAHMoore, Richmond67 min
Apr 9, 5:42 PM EDTTornado WarningRAHPerson35 min
Apr 9, 5:59 PM EDTSevere Thunderstorm WarningRAHWarren46 min
Apr 9, 6:03 PM EDTSpecial Weather StatementRAHJohnston42 min
Apr 9, 6:35 PM EDTSevere Thunderstorm WarningRAHHalifax40 min
Apr 9, 6:55 PM EDTSpecial Weather StatementRAHPerson, Vance65 min
Apr 9, 7:20 PM EDTSpecial Weather StatementRAHDurham, Granville55 min
Apr 9, 7:21 PM EDTSpecial Weather StatementRAHDavidson54 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.