NEW : NOAA says more than 30 deaths may be due to heat in Atlantic . For parts of the country that have already been scorched , some relief was forecast to arrive later Wednesday , the weather service said . more than 30 people are under advisories or warnings , NOAA spokesman tweets . Watches , warnings , and advisories cover 22 states .
NEW : NOAA says more than 30 deaths may be due to heat in Atlantic . more than 30 people are under advisories or warnings , NOAA spokesman tweets . Watches , warnings , and advisories cover 22 states .