Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 106, NWS Raleigh, NC

June 20, 20195 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 20, 2019, 5:42 PM EDT for 5 counties in North Carolina. It was in force for 63 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: Jun 20, 2019, 5:42 PM EDT (21:42 UTC)
Expired: Jun 20, 2019, 6:45 PM EDT
In force: 63 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Chatham County, NC, Harnett County, NC, Johnston County, NC, Lee County, NC, Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 35 km from the middle of the area, began a volume at 21:45 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
Jun 20, 1:49 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 109 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: 204 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 980 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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 Jun 20, 4:20 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jun 20, 4:20 PM EDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jun 20, 4:58 PM EDT, 44 minutes before

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In the hours before

Local storm report, Jun 20, 5:10 PM EDT, 32 minutes before

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Local storm report, Jun 20, 5:15 PM EDT, 27 minutes before

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Local storm report, Jun 20, 5:20 PM EDT, 22 minutes before

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Local storm report, Jun 20, 5:24 PM EDT, 18 minutes before

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Special weather statement, Jun 20, 5:29 PM EDT, 13 minutes before

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Local storm report, Jun 20, 5:36 PM EDT, 6 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
Jun 20, 1:23 PM EDT	Special Weather Statement	RAH	Forsyth	52 min
Jun 20, 1:43 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth, Guilford	62 min
Jun 20, 2:10 PM EDT	Special Weather Statement	RAH	Davidson	65 min
Jun 20, 2:19 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Guilford, Randolph	56 min
Jun 20, 2:33 PM EDT	Special Weather Statement	RAH	Johnston	57 min
Jun 20, 2:33 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Durham, Granville, Guilford, Orange, Person	57 min
Jun 20, 3:06 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Franklin, Granville, Person, Vance, Wake and 1 more	39 min
Jun 20, 3:14 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Durham, Guilford, Orange, Randolph	46 min
Jun 20, 3:15 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Nash, Wilson	24 min
Jun 20, 3:38 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Franklin, Granville, Vance, Wake	37 min
Jun 20, 3:41 PM EDT	Severe Thunderstorm Warning	RAH	Halifax, Nash, Warren	64 min
Jun 20, 3:54 PM EDT	Special Weather Statement	RAH	Randolph	66 min
Jun 20, 4:00 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Wake	45 min
Jun 20, 4:11 PM EDT	Special Weather Statement	RAH	Nash	49 min
Jun 20, 4:17 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	43 min
Jun 20, 4:30 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Randolph	30 min
Jun 20, 4:31 PM EDT	Special Weather Statement	RAH	Harnett, Lee	59 min
Jun 20, 4:49 PM EDT	Special Weather Statement	RAH	Johnston, Wayne, Wilson	56 min
Jun 20, 4:57 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee, Moore, Randolph	48 min
Jun 20, 5:01 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Randolph, Stanly	44 min
Jun 20, 5:29 PM EDT	Special Weather Statement	RAH	Scotland	46 min
Jun 20, 5:35 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee, Montgomery, Moore, Randolph	40 min
Jun 20, 5:52 PM EDT	Severe Thunderstorm Warning	RAH	Montgomery, Moore	38 min
Jun 20, 6:08 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee	21 min
Jun 20, 6:27 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Johnston, Nash, Wake, Wayne, Wilson	15 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2019 Every severe thunderstorm warning in 2019

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.