Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 98, NWS Raleigh, NC

May 21, 2022Davidson County, Forsyth County, Guilford County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 21, 2022, 5:37 PM EDT for Davidson County, Forsyth County, Guilford County, North Carolina. It was in force for 17 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 21, 2022, 5:37 PM EDT (21:37 UTC)
Expired: May 21, 2022, 5:54 PM EDT
In force: 17 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Davidson County, NC, Forsyth County, NC, Guilford County, NC

The radar

The Roanoke radar (KFCX), 115 km from the middle of the area, began a volume at 21:39 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.6 hours before the alert went out and 19 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: 908 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -99 m²/s²
0-3 km storm-relative helicity: -94 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 21, 2:55 PM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, May 21, 2:55 PM EDT, 2 hours 42 minutes before

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Hazardous weather outlook, May 21, 1:54 PM EDT, 3 hours 43 minutes before

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In the hours before

Local storm report, May 21, 5:07 PM EDT, 30 minutes before

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Local storm report, May 21, 5:13 PM EDT, 24 minutes before

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Local storm report, May 21, 5:20 PM EDT, 17 minutes before

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Special weather statement, May 21, 5:22 PM EDT, 15 minutes before

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Special weather statement, May 21, 5:34 PM EDT, 3 minutes before

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Local storm report, May 21, 5:36 PM EDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 3:00 PM EDT	Special Weather Statement	RAH	Hoke, Scotland	45 min
May 21, 3:22 PM EDT	Severe Thunderstorm Warning	RAH	Richmond, Scotland	53 min
May 21, 3:33 PM EDT	Special Weather Statement	RAH	Johnston	27 min
May 21, 3:44 PM EDT	Special Weather Statement	RAH	Stanly	61 min
May 21, 3:49 PM EDT	Special Weather Statement	RAH	Anson	56 min
May 21, 3:49 PM EDT	Special Weather Statement	RAH	Hoke	26 min
May 21, 3:58 PM EDT	Special Weather Statement	RAH	Richmond	32 min
May 21, 4:02 PM EDT	Special Weather Statement	RAH	Johnston, Wake, Wayne, Wilson	28 min
May 21, 4:18 PM EDT	Special Weather Statement	RAH	Durham	42 min
May 21, 4:19 PM EDT	Special Weather Statement	RAH	Anson, Hoke, Montgomery, Moore, Richmond, Stanly	56 min
May 21, 4:20 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Wayne, Wilson	29 min
May 21, 4:26 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Hoke, Lee, Moore	20 min
May 21, 4:30 PM EDT	Special Weather Statement	RAH	Wilson	30 min
May 21, 4:31 PM EDT	Special Weather Statement	RAH	Davidson	59 min
May 21, 4:35 PM EDT	Special Weather Statement	RAH	Harnett	40 min
May 21, 4:38 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Nash, Wilson	42 min
May 21, 4:53 PM EDT	Special Weather Statement	RAH	Granville	37 min
May 21, 5:00 PM EDT	Severe Thunderstorm Warning	RAH	Person	45 min
May 21, 5:02 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth, Randolph	58 min
May 21, 5:02 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Durham, Wake	43 min
May 21, 5:22 PM EDT	Special Weather Statement	RAH	Wake	53 min
May 21, 5:27 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wake	48 min
May 21, 5:34 PM EDT	Special Weather Statement	RAH	Chatham	41 min
May 21, 5:44 PM EDT	Special Weather Statement	RAH	Durham	31 min
May 21, 5:49 PM EDT	Special Weather Statement	RAH	Durham, Orange	41 min
May 21, 5:49 PM EDT	Special Weather Statement	RAH	Wilson	56 min
May 21, 5:54 PM EDT	Special Weather Statement	RAH	Halifax	66 min
May 21, 5:56 PM EDT	Special Weather Statement	RAH	Forsyth	64 min
May 21, 6:06 PM EDT	Special Weather Statement	RAH	Wake	24 min
May 21, 6:14 PM EDT	Special Weather Statement	RAH	Franklin	31 min
May 21, 6:26 PM EDT	Severe Thunderstorm Warning	RAH	Granville, Person	64 min
May 21, 6:28 PM EDT	Special Weather Statement	RAH	Granville, Vance	47 min
May 21, 6:58 PM EDT	Special Weather Statement	RAH	Vance	32 min
May 21, 7:16 PM EDT	Special Weather Statement	RAH	Vance	29 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.