Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Raleigh, NC

July 1, 20214 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 1, 2021, 10:42 PM EDT for 4 counties in North Carolina. It was in force for 48 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 1, 2021, 10:42 PM EDT (02:42 UTC)
Expired
Jul 1, 2021, 11:30 PM EDT
In force
48 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Franklin County, NC, Granville County, NC, Vance County, NC, Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 79 km from the middle of the area, began a volume at 02:45 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 1, 10:50 PM EDTTSTM WND DMG2 Nw Oxford, NCTWO TREES REPORTED DOWN NEAR THE INTERSECTION OF OXFORD LOOP SW AND NC HIGHWAY 96 SOUTH.

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 00:00Z, 2.7 hours before the alert went out and 157 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 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
65 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

549 
WUUS52 KRAH 020242
SVRRAH
NCC069-077-181-185-020330-
/O.NEW.KRAH.SV.W.0075.210702T0242Z-210702T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
1042 PM EDT Thu Jul 1 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Vance County in central North Carolina...
  Warren County in central North Carolina...
  Central Granville County in central North Carolina...
  Franklin County in central North Carolina...

* Until 1130 PM EDT.

* At 1041 PM EDT, severe thunderstorms were located along a line
  extending from Oxford to 7 miles northeast of Louisburg to Zebulon,
  moving northeast at 50 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Henderson, Oxford, Louisburg, Warrenton, Norlina, Littleton,
  Kittrell, Bunn, Stem and Stovall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3651 7790 3644 7792 3641 7791 3636 7792
      3620 7801 3598 7816 3594 7832 3612 7838
      3621 7876 3654 7854 3654 7790
TIME...MOT...LOC 0241Z 228DEG 42KT 3630 7860 3619 7821 3584 7829 

HAIL...0.88IN
WIND...60MPH
 
$$

GIH
4 follow-up statements
500 
WWUS52 KRAH 020259
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
1059 PM EDT Thu Jul 1 2021

NCC069-077-181-185-020330-
/O.CON.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Vance NC-Warren NC-Granville NC-Franklin NC-
1059 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR VANCE...WARREN...NORTHEASTERN GRANVILLE AND NORTHEASTERN FRANKLIN
COUNTIES...

At 1059 PM EDT, severe thunderstorms were located along a line
extending from near Oxford to near Warrenton to 6 miles east of
Louisburg, moving northeast at 45 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Henderson, Oxford, Warrenton, Norlina, Littleton, Kittrell, Stovall,
Middleburg, Macon and Centerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3651 7790 3644 7792 3641 7791 3636 7792
      3620 7801 3610 7808 3616 7834 3630 7870
      3654 7854 3654 7790
TIME...MOT...LOC 0259Z 233DEG 38KT 3633 7855 3632 7815 3613 7819 

HAIL...0.88IN
WIND...60MPH
 
$$

Green
717 
WWUS52 KRAH 020316
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
1116 PM EDT Thu Jul 1 2021

NCC069-077-181-020326-
/O.CAN.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Vance NC-Granville NC-Franklin NC-
1116 PM EDT Thu Jul 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR VANCE...NORTHEASTERN GRANVILLE
AND NORTHEASTERN FRANKLIN COUNTIES IS CANCELLED...

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3640 7791 3629 7796 3624 7799 3624 7807
      3633 7827 3654 7829 3654 7790 3651 7790
      3644 7792
TIME...MOT...LOC 0316Z 222DEG 94KT 3653 7831 3651 7791 3632 7795 

$$

NCC185-020330-
/O.CON.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Warren NC-
1116 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR WARREN COUNTY...

At 1116 PM EDT, severe thunderstorms were located along a line
extending from 8 miles northwest of Norlina to near Gasburg to 7
miles south of Littleton, moving northeast at 110 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Warrenton, Norlina, Littleton, Macon, Arcola, Afton, Lake Gaston,
Wise and Southpointe And Morningstar Marinas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3640 7791 3629 7796 3624 7799 3624 7807
      3633 7827 3654 7829 3654 7790 3651 7790
      3644 7792
TIME...MOT...LOC 0316Z 222DEG 94KT 3653 7831 3651 7791 3632 7795 

HAIL...0.88IN
WIND...60MPH
 
$$

GIH
929 
WWUS52 KRAH 020316 RRA
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
1116 PM EDT Thu Jul 1 2021

NCC069-077-181-020326-
/O.CAN.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Vance NC-Granville NC-Franklin NC-
1116 PM EDT Thu Jul 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR VANCE...NORTHEASTERN GRANVILLE
AND NORTHEASTERN FRANKLIN COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3651 7790 3644 7792 3641 7791 3636 7792
      3633 7824 3654 7831 3654 7790
TIME...MOT...LOC 0316Z 218DEG 28KT 3644 7822 3641 7801 

$$

NCC185-020330-
/O.CON.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Warren NC-
1116 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR WARREN COUNTY...

At 1116 PM EDT, severe thunderstorms were located along a line
extending from Norlina to near Littleton, moving northeast at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Warrenton, Norlina, Littleton, Macon, Lake Gaston, Wise and
Southpointe And Morningstar Marinas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3651 7790 3644 7792 3641 7791 3636 7792
      3633 7824 3654 7831 3654 7790
TIME...MOT...LOC 0316Z 218DEG 28KT 3644 7822 3641 7801 

HAIL...0.88IN
WIND...60MPH
 
$$

Green
037 
WWUS52 KRAH 020323
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
1123 PM EDT Thu Jul 1 2021

NCC185-020333-
/O.EXP.KRAH.SV.W.0075.000000T0000Z-210702T0330Z/
Warren NC-
1123 PM EDT Thu Jul 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY WILL EXPIRE AT
1130 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3651 7790 3644 7792 3641 7791 3636 7792
      3633 7824 3654 7831 3654 7790
TIME...MOT...LOC 0323Z 228DEG 42KT 3648 7816 3645 7795 

$$

GIH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:24 PM EDTSpecial Weather StatementRAHMoore, Scotland51 min
Jul 1, 8:40 PM EDTSevere Thunderstorm WarningRAHHarnett, Hoke, Lee, Moore, Richmond, Scotland50 min
Jul 1, 9:09 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Lee, Moore, Wake51 min
Jul 1, 9:26 PM EDTSpecial Weather StatementRAHDavidson34 min
Jul 1, 9:38 PM EDTSevere Thunderstorm WarningRAHChatham, Cumberland, Durham, Harnett, Johnston, Lee and 2 more52 min
Jul 1, 10:01 PM EDTSevere Thunderstorm WarningRAHDurham, Franklin, Granville, Vance, Wake44 min
Jul 1, 10:33 PM EDTSpecial Weather StatementRAHGuilford42 min
Jul 1, 10:35 PM EDTSpecial Weather StatementRAHCumberland, Johnston, Sampson, Wayne, Wilson55 min
Jul 1, 11:00 PM EDTFlash Flood Warning Considerable damage threatRAHForsyth, Guilford3 hr
Jul 2, 9:05 AM EDTSpecial Weather StatementRAHWayne25 min
Jul 2, 9:34 AM EDTAreal Flood AdvisoryRAHWilson116 min
Jul 2, 10:58 AM EDTSpecial Weather StatementRAHSampson32 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021Every 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.