Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 73, NWS Raleigh, NC

May 6, 2022Alamance County, Guilford County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 6, 2022, 9:14 PM EDT for Alamance County, Guilford County, North Carolina. It was in force for 24 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 6, 2022, 9:14 PM EDT (01:14 UTC)
Expired: May 6, 2022, 9:38 PM EDT
In force: 24 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Alamance County, NC, Guilford County, NC

The radar

The Raleigh/Durham radar (KRAX), 109 km from the middle of the area, began a volume at 01:18 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
May 6, 2:32 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.2 hours before the alert went out and 28 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: 1174 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 943 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 403 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 10.1

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 6, 9:08 PM EDT, 6 minutes earlier.

Area forecast discussion, May 6, 9:08 PM EDT, 6 minutes before

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Hazardous weather outlook, May 6, 9:14 PM EDT, 0 minutes before

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In the hours before

Local storm report, May 6, 8:13 PM EDT, 1 hour 1 minute before

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Local storm report, May 6, 8:21 PM EDT, 53 minutes before

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Local storm report, May 6, 8:34 PM EDT, 40 minutes before

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Local storm report, May 6, 8:43 PM EDT, 31 minutes before

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Special weather statement, May 6, 8:50 PM EDT, 24 minutes before

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Special weather statement, May 6, 8:58 PM EDT, 16 minutes 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 6, 8:05 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Sampson	40 min
May 6, 8:38 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Durham, Johnston, Orange, Wake	41 min
May 6, 8:45 PM EDT	Severe Thunderstorm Warning	RAH	Sampson, Wayne, Wilson	45 min
May 6, 8:50 PM EDT	Special Weather Statement	RAH	Person	25 min
May 6, 8:51 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Granville, Nash, Vance	39 min
May 6, 8:58 PM EDT	Special Weather Statement	RAH	Davidson, Guilford, Randolph	47 min
May 6, 9:14 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Vance, Warren	46 min
May 6, 9:25 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Davidson, Guilford, Randolph	35 min
May 6, 9:59 PM EDT	Special Weather Statement	RAH	Montgomery, Stanly	46 min
May 7, 12:41 PM EDT	Special Weather Statement	RAH	Montgomery	34 min
May 7, 12:56 PM EDT	Special Weather Statement	RAH	Chatham, Lee	34 min
May 7, 1:02 PM EDT	Special Weather Statement	RAH	Anson	28 min
May 7, 1:34 PM EDT	Special Weather Statement	RAH	Chatham, Lee	26 min
May 7, 1:37 PM EDT	Special Weather Statement	RAH	Guilford	38 min
May 7, 2:00 PM EDT	Special Weather Statement	RAH	Anson, Richmond	30 min
May 7, 2:19 PM EDT	Special Weather Statement	RAH	Guilford	41 min
May 7, 2:37 PM EDT	Special Weather Statement	RAH	Harnett, Lee	38 min
May 7, 2:47 PM EDT	Special Weather Statement	RAH	Moore	43 min
May 7, 3:41 PM EDT	Special Weather Statement	RAH	Harnett	34 min
May 7, 3:56 PM EDT	Special Weather Statement	RAH	Sampson	34 min
May 7, 4:03 PM EDT	Areal Flood Advisory	RAH	Durham, Orange	63 min
May 7, 4:15 PM EDT	Areal Flood Advisory	RAH	Harnett, Johnston, Wayne	83 min
May 7, 4:26 PM EDT	Areal Flood Advisory	RAH	Wake	28 min
May 7, 4:54 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Wake	97 min
May 7, 4:59 PM EDT	Special Weather Statement	RAH	Wayne	31 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.