Alert archive / North Carolina / Heat Advisories in 2016
Heat Advisory 8, NWS Raleigh, NC
NWS Raleigh, NC issued this heat advisory at Jul 29, 2016, 2:50 AM EDT for 11 counties in North Carolina. It took effect at Jul 29, 2016, 12:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2016, 2:50 AM EDT (06:50 UTC)
- In effect from
- Jul 29, 2016, 12:00 PM EDT
- Expired
- Jul 29, 2016, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Raleigh, NC
Counties Cumberland County, NC, Edgecombe County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Nash County, NC, Sampson County, NC, Scotland County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 25 km from the middle of the area, began a volume at 06:51 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
Roanoke, VA (KRNK), launched 00:00Z, 6.8 hours before the alert went out and 218 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
- 1057 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.9
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 29, 2:30 AM EDT, 20 minutes earlier.
Area forecast discussion, Jul 29, 2:30 AM EDT, 20 minutes before
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</html>Hazardous weather outlook, Jul 29, 2:44 AM EDT, 6 minutes before
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</html>Nearby
Heat Advisories in North Carolina, 2016Every heat advisory in 2016
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.