Alert archive / North Carolina / Special Weather Statements in 2012
Special Weather Statement, NWS Raleigh, NC
NWS Raleigh, NC issued this special weather statement at Aug 28, 2012, 8:41 PM EDT for 10 counties in North Carolina. It was in force for 2 hr. 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 28, 2012, 8:41 PM EDT (00:41 UTC)
- Expired
- Aug 28, 2012, 10:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
Counties Alamance County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Nash County, NC, Orange County, NC, Person County, NC, Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 89 km from the middle of the area, began a volume at 00:41 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, 0.7 hours before the alert went out and 47 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.
- Mixed-layer CAPE
- 2163 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 28, 8:39 PM EDT, 2 minutes earlier.
Area forecast discussion, Aug 28, 8:39 PM EDT, 2 minutes before
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</html>In the hours before
Special weather statement, Aug 28, 8:00 PM EDT, 41 minutes before
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</html>Special weather statement, Aug 28, 8:41 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 8:00 PM EDT | Special Weather Statement | RAH | Granville, Vance, Warren | 60 min |
| Aug 28, 9:01 PM EDT | Areal Flood Advisory | RAH | Alamance, Forsyth, Guilford | 3 hr |
| Aug 28, 9:10 PM EDT | Flash Flood Warning | RAH | Forsyth, Guilford | 3 hr |
| Aug 28, 9:48 PM EDT | Areal Flood Advisory | RAH | Durham, Granville | 102 min |
| Aug 29, 2:28 PM EDT | Areal Flood Advisory | RAH | Anson | 2 hr |
| Aug 29, 2:51 PM EDT | Areal Flood Advisory | RAH | Richmond, Scotland | 2 hr |
| Aug 29, 5:21 PM EDT | Areal Flood Advisory | RAH | Cumberland | 99 min |
| Aug 29, 5:43 PM EDT | Flash Flood Warning | RAH | Cumberland | 3 hr |
Nearby
Special Weather Statements in North Carolina, 2012Every 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.