Grammar detail – WeatherCaster - Weather radar, forecast, alerts, and hurricane tracker Review

Never underestimate the importance of decent grammar. In social media, weather apps, it is important to many of us. I cringe when I read the red banner, "There is (a) excessive heat warning..." Please correct it, "There is (an) excessive heat warning..."
Review by Wuxxabuxx on WeatherCaster - Weather radar, forecast, alerts, and hurricane tracker.