Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Raleigh, NC

March 18, 20215 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Mar 18, 2021, 6:45 PM EDT for 5 counties in North Carolina. It was in force for 45 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: Mar 18, 2021, 6:45 PM EDT (22:45 UTC)
Expired: Mar 18, 2021, 7:30 PM EDT
In force: 45 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Anson County, NC, Hoke County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC

The radar

The Raleigh/Durham radar (KRAX), 120 km from the middle of the area, began a volume at 22:45 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 18, 4:45 PM EDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.8 hours before the alert went out and 114 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 470 m²/s²
0-3 km storm-relative helicity: 562 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

120 
WUUS52 KRAH 182245
SVRRAH
NCC007-093-123-125-153-182330-
/O.NEW.KRAH.SV.W.0009.210318T2245Z-210318T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
645 PM EDT Thu Mar 18 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Southwestern Moore County in central North Carolina...
  East central Anson County in central North Carolina...
  Southeastern Montgomery County in central North Carolina...
  Northeastern Richmond County in central North Carolina...
  Northwestern Hoke County in central North Carolina...

* Until 730 PM EDT.

* At 644 PM EDT, a severe thunderstorm was located 9 miles northwest
  of Rockingham, moving east at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Southern Pines, Pinehurst, Aberdeen, Hoffman, Whispering Pines,
  Pinebluff, Ellerbe, Foxfire, Taylortown and Vass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM EDT for central North
Carolina.

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

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

&&

LAT...LON 3510 7998 3537 7931 3507 7921 3503 7945
      3504 7946 3501 7955 3494 7989
TIME...MOT...LOC 2244Z 247DEG 39KT 3506 7984 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

JD

1 follow-up statement

415 
WWUS52 KRAH 182311
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
711 PM EDT Thu Mar 18 2021

NCC007-123-182320-
/O.CAN.KRAH.SV.W.0009.000000T0000Z-210318T2330Z/
Anson NC-Montgomery NC-
711 PM EDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ANSON AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM EDT for central North
Carolina.

LAT...LON 3517 7973 3518 7968 3516 7964 3516 7962
      3517 7962 3519 7966 3522 7966 3537 7931
      3507 7921 3503 7945 3504 7946 3501 7959
TIME...MOT...LOC 2310Z 247DEG 29KT 3514 7959 

$$

NCC093-125-153-182330-
/O.CON.KRAH.SV.W.0009.000000T0000Z-210318T2330Z/
Moore NC-Richmond NC-Hoke NC-
711 PM EDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHWESTERN MOORE...NORTHEASTERN RICHMOND AND NORTHWESTERN HOKE
COUNTIES...

At 710 PM EDT, a severe thunderstorm was located 7 miles southwest of
Pinehurst, or 11 miles west of Southern Pines, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Southern Pines, Pinehurst, Aberdeen, Hoffman, Whispering Pines,
Pinebluff, Foxfire, Taylortown, Vass and Norman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM EDT for central North
Carolina.

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

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

&&

LAT...LON 3517 7973 3518 7968 3516 7964 3516 7962
      3517 7962 3519 7966 3522 7966 3537 7931
      3507 7921 3503 7945 3504 7946 3501 7959
TIME...MOT...LOC 2310Z 247DEG 29KT 3514 7959 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

JD

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 3:55 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth	65 min
Mar 18, 4:41 PM EDT	Tornado Warning	RAH	Davidson, Forsyth, Guilford	31 min
Mar 18, 4:54 PM EDT	Tornado Warning	RAH	Guilford, Randolph	66 min
Mar 18, 5:07 PM EDT	Severe Thunderstorm Warning	RAH	Halifax	23 min
Mar 18, 5:13 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Davidson, Guilford, Randolph	62 min
Mar 18, 5:34 PM EDT	Tornado Warning	RAH	Alamance, Guilford	26 min
Mar 18, 5:37 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Randolph, Stanly	38 min
Mar 18, 5:58 PM EDT	Tornado Warning	RAH	Alamance, Durham, Orange, Person	62 min
Mar 18, 6:07 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Richmond	38 min
Mar 18, 6:09 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Orange	66 min
Mar 18, 6:13 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Moore, Randolph, Stanly	47 min
Mar 18, 6:39 PM EDT	Tornado Warning	RAH	Durham, Orange	34 min
Mar 18, 6:41 PM EDT	Tornado Warning	RAH	Granville	34 min
Mar 18, 6:57 PM EDT	Tornado Warning	RAH	Granville	48 min
Mar 18, 6:59 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Orange, Randolph	21 min
Mar 18, 7:11 PM EDT	Tornado Warning	RAH	Halifax, Vance, Warren	54 min
Mar 18, 7:12 PM EDT	Special Weather Statement	RAH	Durham, Orange	63 min
Mar 18, 7:25 PM EDT	Tornado Warning	RAH	Franklin, Vance, Warren	47 min
Mar 18, 7:30 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Hoke, Lee, Moore	45 min
Mar 18, 7:41 PM EDT	Special Weather Statement	RAH	Hoke, Scotland	64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.