Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 28, NWS Raleigh, NC

April 15, 20194 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 15, 2019, 2:27 AM EDT for 4 counties in North Carolina. It was in force for 33 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: Apr 15, 2019, 2:27 AM EDT (06:27 UTC)
Expired: Apr 15, 2019, 3:00 AM EDT
In force: 33 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chatham County, NC, Lee County, NC, Moore County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 86 km from the middle of the area, began a volume at 06:32 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
Apr 14, 10:14 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.5 hours before the alert went out and 73 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: 558 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 847 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 278 m²/s²
0-3 km storm-relative helicity: 329 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 8.2

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 Apr 15, 2:00 AM EDT, 27 minutes earlier.

Area forecast discussion, Apr 15, 2:00 AM EDT, 27 minutes before

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Hazardous weather outlook, Apr 15, 2:06 AM EDT, 21 minutes before

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In the hours before

Special weather statement, Apr 15, 1:39 AM EDT, 48 minutes before

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Special weather statement, Apr 15, 1:46 AM EDT, 41 minutes before

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Local storm report, Apr 15, 2:09 AM EDT, 18 minutes before

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Special weather statement, Apr 15, 2:14 AM EDT, 13 minutes before

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Local storm report, Apr 15, 2:20 AM EDT, 7 minutes before

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Local storm report, Apr 15, 2:27 AM EDT, 0 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
Apr 14, 10:53 PM EDT	Special Weather Statement	RAH	Davidson, Guilford	52 min
Apr 14, 11:36 PM EDT	Special Weather Statement	RAH	Forsyth	54 min
Apr 15, 12:23 AM EDT	Special Weather Statement	RAH	Wake	37 min
Apr 15, 12:35 AM EDT	Special Weather Statement	RAH	Davidson	40 min
Apr 15, 12:42 AM EDT	Tornado Warning	RAH	Davidson, Forsyth	33 min
Apr 15, 12:48 AM EDT	Special Weather Statement	RAH	Wake	27 min
Apr 15, 12:58 AM EDT	Special Weather Statement	RAH	Lee	62 min
Apr 15, 12:59 AM EDT	Special Weather Statement	RAH	Warren	31 min
Apr 15, 1:03 AM EDT	Areal Flood Advisory	RAH	Wake	3 hr
Apr 15, 1:06 AM EDT	Severe Thunderstorm Warning	RAH	Davidson, Forsyth, Guilford, Randolph	39 min
Apr 15, 1:10 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Halifax, Vance, Warren	35 min
Apr 15, 1:15 AM EDT	Special Weather Statement	RAH	Franklin, Granville, Vance, Wake	60 min
Apr 15, 1:16 AM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston, Wake	44 min
Apr 15, 1:24 AM EDT	Flash Flood Warning	RAH	Wake	80 min
Apr 15, 1:24 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Wake	51 min
Apr 15, 1:39 AM EDT	Special Weather Statement	RAH	Montgomery, Stanly	51 min
Apr 15, 1:43 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Halifax, Warren	47 min
Apr 15, 1:46 AM EDT	Special Weather Statement	RAH	Guilford	44 min
Apr 15, 1:48 AM EDT	Severe Thunderstorm Warning	RAH	Franklin, Halifax, Nash, Wake	42 min
Apr 15, 2:14 AM EDT	Special Weather Statement	RAH	Moore, Richmond	46 min
Apr 15, 2:28 AM EDT	Severe Thunderstorm Warning	RAH	Halifax	17 min
Apr 15, 2:43 AM EDT	Special Weather Statement	RAH	Edgecombe, Halifax, Wilson	62 min
Apr 15, 3:01 AM EDT	Special Weather Statement	RAH	Chatham, Durham, Harnett, Lee	44 min
Apr 15, 3:13 AM EDT	Severe Thunderstorm Warning	RAH	Harnett, Lee	14 min
Apr 15, 3:38 AM EDT	Special Weather Statement	RAH	Franklin, Wake, Warren	52 min
Apr 15, 4:23 AM EDT	Special Weather Statement	RAH	Warren	22 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.