Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 80, NWS Raleigh, NC

May 19, 2022Guilford County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 19, 2022, 9:40 PM EDT for Guilford County, North Carolina. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 19, 2022, 9:40 PM EDT (01:40 UTC)
Expired: May 19, 2022, 10:30 PM EDT
In force: 50 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Guilford County, NC

The radar

The Roanoke radar (KFCX), 114 km from the middle of the area, began a volume at 01:42 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 nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.7 hours before the alert went out and 127 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: 572 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1829 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 19, 7:48 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 19, 7:48 PM EDT, 1 hour 52 minutes before

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Hazardous weather outlook, May 19, 5:03 PM EDT, 4 hours 37 minutes before

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In the hours before

Special weather statement, May 19, 4:03 PM EDT, 5 hours 37 minutes before

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Special weather statement, May 19, 9:08 PM EDT, 32 minutes before

Special Weather Statement
National Weather Service Raleigh NC
908 PM EDT Thu May 19 2022

NCZ008>010-200200-
Vance NC-Warren NC-Granville NC-
908 PM EDT Thu May 19 2022

...A strong thunderstorm will impact portions of northern Vance,
northwestern Warren and northeastern Granville Counties through 1000
PM EDT...

At 906 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Clarksville, or 14 miles northwest of Henderson,
moving east at 25 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Norlina, Middleburg, Tungsten, Satterwhite Point Marina, Drewry,
Steele Creek Marina & Campground, Bullocksville, Kerr Lake, Wise and
John H Kerr Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Those camping outdoors are especially vulnerable to the dangers of
lightning. Find safe shelter in a nearby building or vehicle.

If on or near Kerr Lake, get out of the water and move indoors or
inside a vehicle. If you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3649 7811 3635 7824 3650 7870 3654 7868
      3654 7809
TIME...MOT...LOC 0106Z 273DEG 20KT 3651 7851

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

10

Special weather statement, May 19, 9:30 PM EDT, 10 minutes before

Special Weather Statement
National Weather Service Raleigh NC
930 PM EDT Thu May 19 2022

NCZ022-200230-
Guilford NC-
930 PM EDT Thu May 19 2022

...A strong thunderstorm will impact portions of northern Guilford
County through 1030 PM EDT...

At 930 PM EDT, Doppler radar was tracking a strong thunderstorm over
Bethany, or 8 miles southeast of Madison, moving east at 15 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Greensboro, McLeansville, Summerfield, Gibsonville, Stokesdale, Haw
River State Park, Lake Townsend Marina, Lake Townsend, Lake Jeanette
Marina and Monticello.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3624 7953 3606 7954 3617 8000 3626 7997
TIME...MOT...LOC 0130Z 287DEG 14KT 3629 7987

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

10

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:08 PM EDT	Special Weather Statement	RAH	Vance	52 min
May 19, 9:30 PM EDT	Special Weather Statement	RAH	Guilford	60 min
May 19, 9:44 PM EDT	Severe Thunderstorm Warning	RAH	Halifax	15 min
May 19, 10:00 PM EDT	Special Weather Statement	RAH	Warren	60 min
May 19, 10:04 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Orange	41 min
May 19, 10:07 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	38 min
May 19, 10:29 PM EDT	Special Weather Statement	RAH	Warren	46 min
May 19, 10:32 PM EDT	Special Weather Statement	RAH	Davidson	58 min
May 19, 10:35 PM EDT	Special Weather Statement	RAH	Randolph	55 min
May 19, 10:38 PM EDT	Severe Thunderstorm Warning	RAH	Davidson	52 min
May 19, 10:45 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Durham, Guilford, Orange, Randolph	45 min
May 19, 11:27 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Durham, Orange, Randolph, Wake	48 min
May 19, 11:38 PM EDT	Special Weather Statement	RAH	Warren	37 min
May 20, 12:07 AM EDT	Severe Thunderstorm Warning	RAH	Chatham, Harnett, Lee, Wake	53 min
May 20, 12:32 AM EDT	Severe Thunderstorm Warning Destructive damage threat	RAH	Johnston, Wake	43 min
May 20, 12:58 AM EDT	Severe Thunderstorm Warning Considerable damage threat	RAH	Johnston, Wayne, Wilson	62 min
May 20, 1:16 AM EDT	Severe Thunderstorm Warning Considerable damage threat	RAH	Edgecombe, Nash, Wilson	59 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2022 Every severe thunderstorm warning in 2022

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.