Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

May 23, 2012Durham County, Orange County, North Carolina

NWS Raleigh, NC issued this special weather statement at May 23, 2012, 2:08 AM EDT for Durham County, Orange County, North Carolina. It was in force for 52 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: May 23, 2012, 2:08 AM EDT (06:08 UTC)
Expired: May 23, 2012, 3:00 AM EDT
In force: 52 min
Issued by: NWS Raleigh, NC

Counties Durham County, NC, Orange County, NC

The radar

The Raleigh/Durham radar (KRAX), 53 km from the middle of the area, began a volume at 06:09 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 00:00Z, 6.1 hours before the alert went out and 87 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: 1004 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1300 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 May 23, 2:00 AM EDT, 8 minutes earlier.

Area forecast discussion, May 23, 2:00 AM EDT, 8 minutes before

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Hazardous weather outlook, May 23, 12:13 AM EDT, 1 hour 55 minutes before

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In the hours before

Special weather statement, May 22, 11:07 PM EDT, 3 hours 1 minute before

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Special weather statement, May 22, 11:34 PM EDT, 2 hours 34 minutes before

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Special weather statement, May 22, 11:37 PM EDT, 2 hours 31 minutes before

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Special weather statement, May 23, 12:23 AM EDT, 1 hour 45 minutes before

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Special weather statement, May 23, 1:10 AM EDT, 58 minutes before

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Special weather statement, May 23, 2:08 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
May 22, 8:16 PM EDT	Special Weather Statement	RAH	Davidson, Forsyth	89 min
May 22, 8:20 PM EDT	Special Weather Statement	RAH	Randolph	55 min
May 22, 8:42 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	33 min
May 22, 8:45 PM EDT	Severe Thunderstorm Warning	RAH	Randolph	45 min
May 22, 8:48 PM EDT	Special Weather Statement	RAH	Anson	57 min
May 22, 9:18 PM EDT	Areal Flood Advisory	RAH	Forsyth	2 hr
May 22, 9:37 PM EDT	Special Weather Statement	RAH	Forsyth, Guilford	68 min
May 22, 9:45 PM EDT	Flash Flood Warning	RAH	Forsyth	3 hr
May 22, 10:24 PM EDT	Special Weather Statement	RAH	Anson	66 min
May 22, 10:46 PM EDT	Special Weather Statement	RAH	Alamance	59 min
May 22, 11:07 PM EDT	Special Weather Statement	RAH	Stanly	53 min
May 22, 11:34 PM EDT	Special Weather Statement	RAH	Randolph	41 min
May 22, 11:37 PM EDT	Special Weather Statement	RAH	Scotland	53 min
May 23, 12:16 AM EDT	Areal Flood Advisory	RAH	Montgomery, Moore, Randolph	59 min
May 23, 12:23 AM EDT	Special Weather Statement	RAH	Moore	67 min
May 23, 1:10 AM EDT	Special Weather Statement	RAH	Lee	65 min
May 23, 3:00 AM EDT	Special Weather Statement	RAH	Durham, Granville, Orange, Person	60 min
May 23, 1:31 PM EDT	Special Weather Statement	RAH	Sampson	59 min
May 23, 2:00 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	45 min
May 23, 2:33 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Hoke, Moore	57 min
May 23, 2:44 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	46 min
May 23, 3:29 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wake	46 min
May 23, 3:32 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Hoke, Lee, Moore	43 min
May 23, 3:57 PM EDT	Severe Thunderstorm Warning	RAH	Moore	63 min
May 23, 4:07 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wake	38 min
May 23, 4:21 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Harnett, Wake	54 min
May 23, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Granville, Wake	41 min
May 23, 5:23 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Franklin, Granville, Vance, Wake	38 min
May 23, 5:40 PM EDT	Special Weather Statement	RAH	Cumberland	65 min
May 23, 5:44 PM EDT	Special Weather Statement	RAH	Chatham	61 min
May 23, 5:51 PM EDT	Special Weather Statement	RAH	Halifax	54 min
May 23, 5:53 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax	67 min
May 23, 6:03 PM EDT	Special Weather Statement	RAH	Vance	57 min
May 23, 6:41 PM EDT	Special Weather Statement	RAH	Orange	64 min
May 23, 6:54 PM EDT	Special Weather Statement	RAH	Edgecombe	51 min
May 23, 6:59 PM EDT	Special Weather Statement	RAH	Halifax	61 min
May 23, 7:37 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax	31 min
May 23, 7:40 PM EDT	Special Weather Statement	RAH	Edgecombe	65 min
May 23, 7:54 PM EDT	Special Weather Statement	RAH	Wayne	36 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement in 2012

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.