Alert archive / North Carolina / Heat Advisories in 2011
Heat Advisory 3, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this heat advisory at Jul 20, 2011, 2:37 PM EDT for 12 counties in North Carolina. It took effect at Jul 21, 2011, 11:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2011, 2:37 PM EDT (18:37 UTC)
- In effect from
- Jul 21, 2011, 11:00 AM EDT
- Expired
- Jul 21, 2011, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Newport/Morehead City, NC
Counties Beaufort County, NC, Dare County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Pamlico County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC
The radar
The Morehead City radar (KMHX), 78 km from the middle of the area, began a volume at 18:38 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, 6.6 hours before the alert went out and 77 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
- 911 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 967 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Newport/Morehead City, NC wrote its last area forecast discussion before this heat advisory went out at Jul 20, 2:12 PM EDT, 25 minutes earlier.
Area forecast discussion, Jul 20, 2:12 PM EDT, 25 minutes before
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</html>Hazardous weather outlook, Jul 20, 10:58 AM EDT, 3 hours 39 minutes before
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Special weather statement, Jul 20, 1:54 PM EDT, 43 minutes before
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</html>The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 3:35 PM EDT | Special Weather Statement | MHX | Beaufort | 55 min |
| Jul 20, 3:51 PM EDT | Special Weather Statement | MHX | Hyde | 39 min |
| Jul 20, 4:36 PM EDT | Severe Thunderstorm Warning | MHX | Washington | 24 min |
| Jul 20, 4:38 PM EDT | Special Weather Statement | MHX | Jones | 52 min |
| Jul 20, 5:00 PM EDT | Special Weather Statement | MHX | Beaufort | 30 min |
| Jul 20, 5:10 PM EDT | Special Weather Statement | MHX | Duplin | 35 min |
| Jul 20, 5:30 PM EDT | Special Weather Statement | MHX | Onslow | 45 min |
| Jul 20, 5:52 PM EDT | Special Weather Statement | MHX | Craven | 38 min |
| Jul 20, 6:04 PM EDT | Special Weather Statement | MHX | Martin | 56 min |
| Jul 20, 6:12 PM EDT | Special Weather Statement | MHX | Duplin | 48 min |
| Jul 20, 7:52 PM EDT | Special Weather Statement | MHX | Pitt | 23 min |
Nearby
Heat Advisories in North Carolina, 2011Every heat advisory in 2011
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.