The first heat wave of 2020, which became official Sunday, extended into Monday. And, in a twist of meteorological coincidence, started on the same day as last year's first heat wave.
Monday reached 90 degrees at Atlantic City International Airport just before 1 p.m., extending the heat wave to four days.
A heat wave is when there are three days in a row with high temperatures at or above 90 degrees in New Jersey. Friday's high temperature reached 90 degrees, while it was 91 Saturday and 95 Sunday, also the hottest day of the year so far.
On average, the first heat wave of the year starts June 28 at the airport, putting the June 26, 2020 start date right near the average. In 2019, the first heat wave of the year also started June 26, though lasted for five days.
There's nothing worse than stepping on your blacktop driveway on a hot summer day, right? We…
Heat waves come in different shapes and sizes and this one was one of the more "comfortable" ones. Highs just made the minimum required temperatures, and dew points were not sticky, sitting at or above 70 degrees.
Millville Municipal Airport and Cape May County airport, the other two notable reporting airports in the region, did not see a heat wave, either. Neither did Sen. Frank S. Farley Marina in Atlantic City.
Colorado State University increases hurricane numbers in June update
A slightly more active hurricane season is now expected for the 2020 Atlantic Hurricane Season, coming off the heels of two named tropical systems in May.
On June 4, Colorado State University provided their annual update to the initial hurricane forecast, which was first done in April.
We have slightly increased our forecast for the 2020 Atlantic basin hurricane season and believe that the season will have well above-average activity," the CSU report read, which is led by Philip J. Klotzbach, Michael M. Bell, and Jhordanna Jones.
Including the storms that have already been named at the time of the update, Arthur, Bertha and Cristobal, CSU forecasts 19 tropical storms or hurricanes to occur. Out of the 19, 9 are forecasted to be hurricanes, with 4 major, category three or higher (sustained winds over 111 mph), hurricanes.
The initial forecast called for 16 tropical storms or hurricanes, with 8 hurricanes and 5 major hurricanes. This is about the 1981-2010 average of 12.1, 6.4 and 2.7, respectively.
There still remains an above average risk of a major hurricane making landfall on the East Coast of the United States, including the Florida Peninsula. The 46% chance is virtually unchanged from the 45% in the initial, April, forecast. On average, there has been a 31% probability in the last century.
CSU attributes warmer than average waters in the subtropical Atlantic Ocean, slightly warmer than average waters in the tropical Atlantic as reasons for the active forecast. Furthermore, a possible transition from a netural El Nino Southern Oscillation to a La Nina late this summer would promote an an active season. In a La Nina, there's a lack of wind shear, or change of winds with height, which can rip storms apart.
Tropical cyclone names rotate every six years. Exceptionally notable hurricane names, such as Sandy, become retired by the World Meteorological Organization. However, no names were retired in 2014, meaning 2020 will have the same list as then.
Arthur - Used
It's the sixth year in a row that a named tropical system has developed in the Atlantic Hurricane Basin before the June 1 official start.
Bertha - Used
Tropical Storm Bertha is the second tropical storm or greater storm to have formed in the Atlantic Hurricane basin before the official start June 1. This is only the sixth time since records have been kept in the 1700s that two tropical storm or greater storms have formed before the start.
Cristobal - Used
Dolly - Used
Dolly was the third earliest fourth named (D storm) storm in Atlantic Hurricane history, which goes back to 1851.
#Dolly has formed in the North Atlantic - the 3rd earliest 4th Atlantic named storm formation on record (since 1851). Danielle is earliest on 6/20/2016. Debby is 2nd earliest on 6/23/2012 at 12 UTC. Dolly in 2020 formed on June 23 at 1615 UTC. #hurricane pic.twitter.com/1Ha6ZnxHqc— Philip Klotzbach (@philklotzbach) June 23, 2020