Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 57, NWS Raleigh, NC

April 28, 2014Cumberland County, Sampson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 28, 2014, 4:40 PM EDT for Cumberland County, Sampson County, North Carolina. It was in force for 65 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 28, 2014, 4:40 PM EDT (20:40 UTC)
Expired: Apr 28, 2014, 5:45 PM EDT
In force: 65 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Cumberland County, NC, Sampson County, NC

The radar

The Raleigh/Durham radar (KRAX), 72 km from the middle of the area, began a volume at 20:40 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

Newport, NC (KMHX), launched 12:00Z, 8.7 hours before the alert went out and 159 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: 70 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Apr 28, 3:45 PM EDT, 55 minutes earlier.

Area forecast discussion, Apr 28, 3:45 PM EDT, 55 minutes before

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Hazardous weather outlook, Apr 28, 4:07 PM EDT, 33 minutes before

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In the hours before

Special weather statement, Apr 28, 2:28 PM EDT, 2 hours 12 minutes before

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Special weather statement, Apr 28, 2:53 PM EDT, 1 hour 47 minutes before

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Local storm report, Apr 28, 4:01 PM EDT, 39 minutes before

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Local storm report, Apr 28, 4:11 PM EDT, 29 minutes before

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Special weather statement, Apr 28, 4:16 PM EDT, 24 minutes before

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Local storm report, Apr 28, 4:31 PM EDT, 9 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 28, 2:28 PM EDT	Special Weather Statement	RAH	Hoke	32 min
Apr 28, 2:39 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Moore	51 min
Apr 28, 2:53 PM EDT	Special Weather Statement	RAH	Richmond	37 min
Apr 28, 3:14 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Hoke	61 min
Apr 28, 3:21 PM EDT	Severe Thunderstorm Warning	RAH	Richmond	39 min
Apr 28, 4:01 PM EDT	Flash Flood Watch	RAH	Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more	50 hr
Apr 28, 4:16 PM EDT	Special Weather Statement	RAH	Cumberland	29 min
Apr 28, 4:44 PM EDT	Special Weather Statement	RAH	Hoke	46 min
Apr 28, 5:12 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Scotland	48 min
Apr 28, 5:35 PM EDT	Special Weather Statement	RAH	Moore	40 min
Apr 28, 6:12 PM EDT	Special Weather Statement	RAH	Bladen	33 min
Apr 28, 6:50 PM EDT	Special Weather Statement	RAH	Cumberland	40 min
Apr 28, 7:21 PM EDT	Special Weather Statement	RAH	Cumberland	39 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014 Every severe thunderstorm warning in 2014

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.