HEAT ADVISORY ISSUED; POTENTIALLY DANGEROUS HEAT LIKELY SUNDAY
High Pressure will continue to build in over North Carolina leading to another round of heat and high dew-points with likely the hottest temperature so far this season. Heat index values will likely be the highest they’ve been all summer long, due to an increased of dew-point values it will make the heat index values 100-107° outside of the mountains with the highest values across Central and Eastern NC where a Heat Advisory has been issued for Sunday.
The upper-level ridge will remain strong over the state, leading to partly to mostly sunny skies with hot temperatures. Highs will once again be in the low-mid 90s outside of the mountains with heat index values 100-107° if your working outside, please be careful. Leftover boundaries from last night storms and high CAPE values will allow for more scattered showers and thunderstorms to develop Sunday afternoon and evening, mainly after 1 PM. Any storms that do develop will have gusty winds, possible microbursts, and heavy rainfall. A surface trough is located across the north, we will watch for thunderstorm develop across the Foothills first and push east toward the mid-afternoon, coverage will be about 30-40% of the state. One or two storms could be severe with microbursts. "A microburst is a localized column of sinking air (downdraft) within a thunderstorm and is usually less than or equal to 2.5 miles in diameter. Microbursts can cause extensive damage at the surface, and in some instances, can be life-threatening. per the definition NWS."
HEAT INDEX VALUES
Potentially dangerous heat index values likely Sunday afternoon 100-107° outside of the mountains. The highest values will be from 12 PM-7 PM Sunday afternoon, the only relief will be if you have a thunderstorm move through your area.
The National Weather Service has issued a Heat Advisory for all of Central and Northeast North Carolina from 12 PM Sunday until 9 PM. Heat Index Values 105-107° for areas in Orange. The following counties included are Rockingham-Caswell-Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance-Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake-Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson-Richmond-Scotland-Hoke-Cumberland-Sampson- Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck- Bertie-Chowan-Perquimans-Eastern Currituck
From the NWS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heatstroke. Wear lightweight and loose-fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heatstroke is an emergency! Call 9 1 1.
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