Alert archive / North Carolina / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 139, NWS Raleigh, NC

July 23, 2018Anson County, Richmond County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 23, 2018, 6:31 PM EDT for Anson County, Richmond County, North Carolina. It was in force for 41 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: Jul 23, 2018, 6:31 PM EDT (22:31 UTC)
Expired: Jul 23, 2018, 7:12 PM EDT
In force: 41 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anson County, NC, Richmond County, NC

The radar

The Raleigh/Durham radar (KRAX), 150 km from the middle of the area, began a volume at 22:31 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, 10.5 hours before the alert went out and 121 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: 295 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 561 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 Jul 23, 3:30 PM EDT, 3 hours 1 minute earlier.

Area forecast discussion, Jul 23, 3:30 PM EDT, 3 hours 1 minute before

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Hazardous weather outlook, Jul 23, 4:05 PM EDT, 2 hours 26 minutes before

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In the hours before

Special weather statement, Jul 23, 3:32 PM EDT, 2 hours 59 minutes before

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Special weather statement, Jul 23, 3:54 PM EDT, 2 hours 37 minutes before

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Special weather statement, Jul 23, 4:25 PM EDT, 2 hours 6 minutes before

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Special weather statement, Jul 23, 4:52 PM EDT, 1 hour 39 minutes before

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Special weather statement, Jul 23, 5:11 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jul 23, 6:06 PM EDT, 25 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
Jul 22, 8:09 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Montgomery, Stanly	66 min
Jul 22, 8:19 PM EDT	Areal Flood Advisory	RAH	Alamance, Chatham, Guilford	3 hr
Jul 22, 8:24 PM EDT	Areal Flood Advisory	RAH	Davidson	3 hr
Jul 22, 8:28 PM EDT	Severe Thunderstorm Warning	RAH	Guilford	32 min
Jul 22, 8:37 PM EDT	Special Weather Statement	RAH	Alamance	68 min
Jul 22, 8:41 PM EDT	Special Weather Statement	RAH	Orange	49 min
Jul 22, 8:52 PM EDT	Special Weather Statement	RAH	Durham, Granville	38 min
Jul 22, 9:01 PM EDT	Special Weather Statement	RAH	Chatham	44 min
Jul 22, 9:02 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Orange, Person, Wake	73 min
Jul 22, 9:48 PM EDT	Special Weather Statement	RAH	Chatham	57 min
Jul 23, 12:17 AM EDT	Special Weather Statement	RAH	Wayne, Wilson	58 min
Jul 23, 12:25 AM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wayne	65 min
Jul 23, 1:15 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Johnston, Nash, Wake, Wilson	45 min
Jul 23, 1:21 AM EDT	Special Weather Statement	RAH	Harnett	54 min
Jul 23, 1:31 AM EDT	Special Weather Statement	RAH	Edgecombe, Halifax	59 min
Jul 23, 1:39 AM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash, Wilson	66 min
Jul 23, 1:51 AM EDT	Areal Flood Advisory	RAH	Chatham, Cumberland, Harnett, Lee, Wake	3 hr
Jul 23, 1:56 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Nash, Vance, Warren	41 min
Jul 23, 2:04 AM EDT	Special Weather Statement	RAH	Wayne	56 min
Jul 23, 2:21 AM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	22 min
Jul 23, 2:31 AM EDT	Special Weather Statement	RAH	Chatham	59 min
Jul 23, 2:40 AM EDT	Special Weather Statement	RAH	Cumberland, Harnett	35 min
Jul 23, 2:52 AM EDT	Special Weather Statement	RAH	Wake	38 min
Jul 23, 3:14 AM EDT	Flash Flood Watch	RAH	Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more	47 hr
Jul 23, 4:03 AM EDT	Special Weather Statement	RAH	Cumberland, Harnett	57 min
Jul 23, 4:29 AM EDT	Flash Flood Warning	RAH	Cumberland, Harnett, Hoke	2 hr
Jul 23, 1:55 PM EDT	Special Weather Statement	RAH	Davidson, Randolph	65 min
Jul 23, 2:10 PM EDT	Areal Flood Advisory	RAH	Davidson, Montgomery, Randolph	3 hr
Jul 23, 2:58 PM EDT	Special Weather Statement	RAH	Randolph	47 min
Jul 23, 3:08 PM EDT	Special Weather Statement	RAH	Harnett	37 min
Jul 23, 3:26 PM EDT	Special Weather Statement	RAH	Wake	34 min
Jul 23, 3:32 PM EDT	Special Weather Statement	RAH	Chatham	43 min
Jul 23, 3:50 PM EDT	Areal Flood Advisory	RAH	Randolph	97 min
Jul 23, 3:54 PM EDT	Special Weather Statement	RAH	Anson, Montgomery, Stanly	66 min
Jul 23, 4:25 PM EDT	Special Weather Statement	RAH	Alamance, Chatham	50 min
Jul 23, 4:52 PM EDT	Special Weather Statement	RAH	Davidson, Randolph	53 min
Jul 23, 5:11 PM EDT	Special Weather Statement	RAH	Alamance, Guilford	64 min
Jul 23, 6:06 PM EDT	Special Weather Statement	RAH	Anson	54 min
Jul 23, 6:48 PM EDT	Special Weather Statement	RAH	Forsyth	42 min
Jul 23, 7:02 PM EDT	Areal Flood Advisory	RAH	Forsyth	118 min
Jul 23, 7:09 PM EDT	Areal Flood Advisory	RAH	Anson	111 min
Jul 23, 7:47 PM EDT	Special Weather Statement	RAH	Sampson	43 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2018 Every severe thunderstorm warning in 2018

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.