Alert archive / North Carolina / Special Weather Statements in 2019

Special Weather Statement, NWS Raleigh, NC

August 7, 2019Alamance County, North Carolina

NWS Raleigh, NC issued this special weather statement at Aug 7, 2019, 1:42 AM EDT for Alamance County, North Carolina. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 7, 2019, 1:42 AM EDT (05:42 UTC)
Expired: Aug 7, 2019, 2:30 AM EDT
In force: 48 min
Issued by: NWS Raleigh, NC

County Alamance County, NC

The radar

The Raleigh/Durham radar (KRAX), 90 km from the middle of the area, began a volume at 05:43 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 00:00Z, 5.7 hours before the alert went out and 266 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: 711 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1063 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 6, 9:55 PM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Aug 6, 9:55 PM EDT, 3 hours 47 minutes before

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Hazardous weather outlook, Aug 6, 4:47 PM EDT, 8 hours 55 minutes before

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In the hours before

Special weather statement, Aug 6, 10:57 PM EDT, 2 hours 45 minutes before

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Special weather statement, Aug 7, 1:42 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
Aug 6, 10:57 PM EDT	Special Weather Statement	RAH	Guilford	33 min
Aug 7, 12:17 PM EDT	Special Weather Statement	RAH	Alamance, Guilford, Orange, Randolph	73 min
Aug 7, 12:45 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Chatham, Guilford, Orange, Randolph	63 min
Aug 7, 1:05 PM EDT	Special Weather Statement	RAH	Person	55 min
Aug 7, 1:16 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Granville, Person, Vance	74 min
Aug 7, 1:20 PM EDT	Areal Flood Advisory	RAH	Alamance, Guilford	65 min
Aug 7, 2:16 PM EDT	Special Weather Statement	RAH	Wake	44 min
Aug 7, 2:34 PM EDT	Special Weather Statement	RAH	Franklin, Halifax, Vance, Warren	71 min
Aug 7, 2:40 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Halifax, Nash, Vance, Warren	80 min
Aug 7, 2:49 PM EDT	Special Weather Statement	RAH	Lee	56 min
Aug 7, 3:14 PM EDT	Special Weather Statement	RAH	Nash	46 min
Aug 7, 3:26 PM EDT	Special Weather Statement	RAH	Edgecombe	64 min
Aug 7, 3:37 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	53 min

Nearby

Special Weather Statements in North Carolina, 2019 Every special weather statement 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.