Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 42, NWS Raleigh, NC

April 9, 2021Halifax County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 9, 2021, 6:35 PM EDT for Halifax County, North Carolina. It was in force for 40 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: Apr 9, 2021, 6:35 PM EDT (22:35 UTC)
Expired: Apr 9, 2021, 7:15 PM EDT
In force: 40 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Halifax County, NC

The radar

The Norfolk radar (KAKQ), 86 km from the middle of the area, began a volume at 22:38 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
Apr 9, 6:45 PM EDT	TSTM WND DMG	1 N Roanoke Rapids, NC	TREE DOWN AT THE 600 BLOCK OF ROANOKE AVE IN ROANOKE RAPIDS.
Apr 9, 6:45 PM EDT	TSTM WND DMG	1 Ssw Roanoke Rapids, NC	TREE DOWN AT THE 100 BLOCK OF LOVE ST IN ROANOKE RAPIDS.
Apr 9, 6:52 PM EDT	HAIL 0.5	1 Nw South Weldon, NC

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 9, 3:38 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 10.6 hours before the alert went out and 180 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: 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.

498 
WUUS52 KRAH 092235
SVRRAH
NCC083-092315-
/O.NEW.KRAH.SV.W.0042.210409T2235Z-210409T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
635 PM EDT Fri Apr 9 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Northwestern Halifax County in central North Carolina...

* Until 715 PM EDT.

* At 634 PM EDT, a severe thunderstorm was located near Roanoke
  Rapids, moving southeast at 20 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Roanoke Rapids, Weldon, Rosemary, South Weldon, Roanoke Rapids Lake
  and Lake Gaston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!

&&

LAT...LON 3650 7782 3648 7776 3649 7773 3648 7768
      3648 7765 3644 7762 3643 7759 3642 7759
      3642 7755 3640 7754 3637 7755 3628 7769
      3645 7791 3649 7791 3651 7789
TIME...MOT...LOC 2234Z 301DEG 16KT 3648 7775 

HAIL...1.75IN
WIND...60MPH
 
$$

JJT

2 follow-up statements

998 
WWUS52 KRAH 092258
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
658 PM EDT Fri Apr 9 2021

NCC083-092315-
/O.CON.KRAH.SV.W.0042.000000T0000Z-210409T2315Z/
Halifax NC-
658 PM EDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTHWESTERN HALIFAX COUNTY...

At 657 PM EDT, a severe thunderstorm was located over Roanoke Rapids,
moving southeast at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Roanoke Rapids, Weldon, Rosemary, South Weldon, Roanoke Rapids Lake
and Lake Gaston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3650 7782 3648 7776 3649 7773 3648 7768
      3648 7765 3644 7762 3643 7759 3642 7759
      3642 7755 3640 7754 3637 7755 3628 7769
      3645 7791 3649 7791 3651 7789
TIME...MOT...LOC 2257Z 301DEG 16KT 3643 7764 

HAIL...1.50IN
WIND...60MPH
 
$$

JJT

472 
WWUS52 KRAH 092313
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
713 PM EDT Fri Apr 9 2021

NCC083-092320-
/O.EXP.KRAH.SV.W.0042.000000T0000Z-210409T2315Z/
Halifax NC-
713 PM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HALIFAX COUNTY
WILL EXPIRE AT 715 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty 
winds are still possible with this thunderstorm, and additional 
thunderstorms remain in the area.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Raleigh.

LAT...LON 3650 7782 3648 7776 3649 7773 3648 7768
      3648 7765 3644 7762 3643 7759 3642 7759
      3642 7755 3640 7754 3637 7755 3628 7769
      3645 7791 3649 7791 3651 7789
TIME...MOT...LOC 2310Z 301DEG 16KT 3640 7758 

$$

JJT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 3:02 PM EDT	Special Weather Statement	RAH	Scotland	58 min
Apr 9, 3:38 PM EDT	Special Weather Statement	RAH	Lee	67 min
Apr 9, 3:41 PM EDT	Special Weather Statement	RAH	Hoke, Richmond, Scotland	64 min
Apr 9, 3:57 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Moore, Richmond, Scotland	22 min
Apr 9, 4:10 PM EDT	Severe Thunderstorm Warning	RAH	Granville, Person	50 min
Apr 9, 4:29 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	46 min
Apr 9, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Granville	46 min
Apr 9, 4:49 PM EDT	Special Weather Statement	RAH	Scotland	56 min
Apr 9, 4:53 PM EDT	Areal Flood Advisory	RAH	Scotland	112 min
Apr 9, 5:09 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	51 min
Apr 9, 5:12 PM EDT	Severe Thunderstorm Warning	RAH	Granville, Vance, Warren	63 min
Apr 9, 5:23 PM EDT	Areal Flood Advisory	RAH	Harnett, Johnston, Wake	3 hr
Apr 9, 5:23 PM EDT	Special Weather Statement	RAH	Moore, Richmond	67 min
Apr 9, 5:42 PM EDT	Tornado Warning	RAH	Person	35 min
Apr 9, 5:59 PM EDT	Severe Thunderstorm Warning	RAH	Warren	46 min
Apr 9, 6:03 PM EDT	Special Weather Statement	RAH	Johnston	42 min
Apr 9, 6:21 PM EDT	Special Weather Statement	RAH	Warren	54 min
Apr 9, 6:55 PM EDT	Special Weather Statement	RAH	Person, Vance	65 min
Apr 9, 7:20 PM EDT	Special Weather Statement	RAH	Durham, Granville	55 min
Apr 9, 7:21 PM EDT	Special Weather Statement	RAH	Davidson	54 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.