Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 123, NWS Raleigh, NC

August 20, 2021Johnston County, Wayne County, Wilson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 20, 2021, 5:05 PM EDT for Johnston County, Wayne County, Wilson County, North Carolina. It was in force for 40 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: Aug 20, 2021, 5:05 PM EDT (21:05 UTC)
Expired: Aug 20, 2021, 5:45 PM EDT
In force: 40 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Johnston County, NC, Wayne County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 60 km from the middle of the area, began a volume at 21:06 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
Aug 20, 5:11 PM EDT	TSTM WND DMG	3 Wnw Fremont, NC	A TREE WAS REPORTED DOWN NEAR THE 700 BLOCK OF AYCOCK DAIRY FARM RD. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.1 hours before the alert went out and 121 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: 2221 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 896 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.5

Open this sounding in Storm Lab

The text

As transmitted.

901 
WUUS52 KRAH 202105
SVRRAH
NCC101-191-195-202145-
/O.NEW.KRAH.SV.W.0123.210820T2105Z-210820T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
505 PM EDT Fri Aug 20 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wayne County in central North Carolina...
  Wilson County in central North Carolina...
  East central Johnston County in central North Carolina...

* Until 545 PM EDT.

* At 505 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Fremont, or 15 miles northeast of Smithfield, moving east at 20
  mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Goldsboro, Wilson, Fremont, Walnut Creek, Micro, Kenly, Princeton,
  Lucama, Stantonsburg and Black Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 7782 3543 7783 3540 7780 3538 7780
      3534 7782 3525 7783 3545 7826 3572 7811
      3581 7775 3573 7772 3568 7766
TIME...MOT...LOC 2105Z 275DEG 17KT 3561 7811 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

22

2 follow-up statements

656 
WWUS52 KRAH 202124
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
524 PM EDT Fri Aug 20 2021

NCC101-202134-
/O.CAN.KRAH.SV.W.0123.000000T0000Z-210820T2145Z/
Johnston NC-
524 PM EDT Fri Aug 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL JOHNSTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3557 7782 3543 7783 3540 7780 3538 7780
      3534 7782 3525 7783 3540 7815 3542 7816
      3559 7807 3559 7808 3560 7808 3575 7797
      3581 7775 3573 7772 3568 7766
TIME...MOT...LOC 2124Z 275DEG 17KT 3560 7800 

$$

NCC191-195-202145-
/O.CON.KRAH.SV.W.0123.000000T0000Z-210820T2145Z/
Wayne NC-Wilson NC-
524 PM EDT Fri Aug 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHEASTERN WAYNE AND WILSON COUNTIES...

At 524 PM EDT, a severe thunderstorm was located near Fremont, or 16
miles north of Goldsboro, moving east at 20 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Goldsboro, Wilson, Fremont, Walnut Creek, Lucama, Stantonsburg, Black
Creek, Pikeville, Saratoga and Eureka.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 7782 3543 7783 3540 7780 3538 7780
      3534 7782 3525 7783 3540 7815 3542 7816
      3559 7807 3559 7808 3560 7808 3575 7797
      3581 7775 3573 7772 3568 7766
TIME...MOT...LOC 2124Z 275DEG 17KT 3560 7800 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

22

234 
WWUS52 KRAH 202136
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
536 PM EDT Fri Aug 20 2021

NCC191-195-202146-
/O.EXP.KRAH.SV.W.0123.000000T0000Z-210820T2145Z/
Wayne NC-Wilson NC-
536 PM EDT Fri Aug 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE AND WILSON
COUNTIES WILL EXPIRE AT 545 PM EDT...
        
The storm which prompted the warning will move out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3557 7782 3543 7783 3540 7780 3538 7780
      3534 7782 3525 7783 3540 7815 3542 7816
      3559 7807 3559 7808 3560 7808 3575 7797
      3581 7775 3573 7772 3568 7766
TIME...MOT...LOC 2136Z 275DEG 17KT 3560 7795 

$$

22

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 8:07 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Richmond, Stanly	38 min
Aug 19, 8:42 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Montgomery, Moore, Randolph	63 min
Aug 19, 8:48 PM EDT	Special Weather Statement	RAH	Johnston	42 min
Aug 19, 8:54 PM EDT	Special Weather Statement	RAH	Richmond	51 min
Aug 19, 9:18 PM EDT	Special Weather Statement	RAH	Harnett	57 min
Aug 19, 9:27 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Hoke, Moore, Richmond, Scotland	63 min
Aug 19, 10:21 PM EDT	Special Weather Statement	RAH	Chatham, Harnett, Johnston, Lee, Wake	54 min
Aug 19, 10:27 PM EDT	Special Weather Statement	RAH	Cumberland	63 min
Aug 19, 11:07 PM EDT	Special Weather Statement	RAH	Alamance, Orange	53 min
Aug 19, 11:16 PM EDT	Special Weather Statement	RAH	Johnston, Wake	59 min
Aug 19, 11:37 PM EDT	Special Weather Statement	RAH	Durham, Granville, Vance	53 min
Aug 19, 11:42 PM EDT	Special Weather Statement	RAH	Sampson	33 min
Aug 20, 12:11 AM EDT	Areal Flood Advisory	RAH	Durham, Granville, Person, Vance, Warren	109 min
Aug 20, 12:13 AM EDT	Special Weather Statement	RAH	Wayne	32 min
Aug 20, 3:38 PM EDT	Special Weather Statement	RAH	Hoke	52 min
Aug 20, 3:42 PM EDT	Special Weather Statement	RAH	Johnston	63 min
Aug 20, 4:03 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	42 min
Aug 20, 4:23 PM EDT	Special Weather Statement	RAH	Cumberland	67 min
Aug 20, 4:48 PM EDT	Special Weather Statement	RAH	Johnston, Wayne, Wilson	57 min
Aug 20, 4:55 PM EDT	Special Weather Statement	RAH	Durham	50 min
Aug 20, 5:37 PM EDT	Special Weather Statement	RAH	Edgecombe	38 min
Aug 20, 6:18 PM EDT	Special Weather Statement	RAH	Edgecombe	42 min
Aug 20, 6:51 PM EDT	Special Weather Statement	RAH	Edgecombe	39 min
Aug 20, 7:08 PM EDT	Special Weather Statement	RAH	Alamance	52 min
Aug 20, 7:47 PM EDT	Special Weather Statement	RAH	Alamance	43 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.