Rain coverage was quite localized in the south and northwest, amounting to 1.29” at Galloway (Atlantic), 1.10” in Port Republic (Atlantic), and 1.04” in both Piney Hollow (Gloucester) and White Township (Warren).Ī squall line raced through northern counties before stalling in central NJ during the late afternoon and evening of the 6th. More rain arrived on the late afternoon and evening of the 3rd, ending early on the 4th. Scattered showers on the 2nd, particularly in southern, northwest, and northeast locations brought as much as 2.41” to Kearny (Hudson), Oswego Lake (Burlington) 2.09”, Pennsauken 1.90”, Knowlton Township (Warren) 1.70”, Northfield (Atlantic) 1.58”, and West Milford (Passaic) 1.58”. Downed trees and wires were reported in Cape May, Cumberland, Salem, and Monmouth counties. Winds gusted to 53 mph in Woodbine (Cape May), 49 mph at Dennis (Cape May), and 40 mph in Pennsauken (Camden). This evaluation is based on approximately 250 daily reports, a common number of observations this month. Fifteen CoCoRaHS locations had greater than 2.00” and 99 from 1.00”–1.99”. Upper Deerfield (Cumberland) was pounded with 3.05”, three Medford Township sites had 2.36”–2.80”, Jackson Township 2.68”, Washington Township (Gloucester) 2.44”, and two Brick Township locations with 2.43” and 2.41”. Totals range from 3.00”–4.00” (red) to 11.00”–12.00” (dark green).Īfternoon and evening thunderstorms on the 1st hit southern areas hardest, particularly from Gloucester County northeast into northern Ocean County. Note the scale in inches at the bottom of the figure. July 2021 precipitation across New Jersey based on a PRISM (Oregon State University) analysis generated using NWS Cooperative and CoCoRaHS observations from 7 AM on June 30th to 7 AM on July 31st. Other low totals included Middle Township (Cape May) with 4.23” and 4.25” reports, and New Brunswick (Middlesex) 4.89”.įigure 1. Several locations saw below-normal July rainfall, including Lower Alloways Creek Township (Salem) with only 2.50”, West Cape May (Cape May) at 3.62”, and Ocean City (Cape May) 3.71”. Other hefty totals included four Flemington (Hunterdon) gauges with 12.22” to 11.00”, Columbus (Burlington) 12.03”, Jackson Township (Ocean) 11.73”, Riverton (Burlington) 11.68”, Raritan Township (Hunterdon) 11.59”, and 15 other CoCoRaHS and NJWxNet sites from 10.00”–10.99”.
Locations seeing the most July rain included Brick Township (Ocean County) where one part of town saw 12.99” and two other spots 11.98” and 10.88”. As seen in Figure 1, monthly rainfall varied by a factor of two or greater within 10 to 20 miles. As commonly seen in summer months when the bulk of the rainfall comes from scattered showers and thunderstorms, some locations saw multiple bouts of heavy rain while others often missed out. On one of these days a station received more than 6”, three days had sites with as much as 4.00”–5.00”, four days saw locations with up to 3.00”–4.00”, two peaked at 2.00”–3.00”, and three at 1.00”–2.00”. More than an inch of rain fell at one or more NJ CoCoRaHS or NJWxNet location on 13 July days. Read on for details on this potpourri of weather happenings.
Tropical Storm Elsa was the earliest fifth storm of any season on record in the Atlantic basin. The nine July tornadoes is the most in a month since official records began in 1950. 13 of the 25 warmest Julys in the past 127 years have occurred since 2002. This ranked as the 24th warmest July since 1895.
The average temperature of 75.8° was 0.4° above the 1991–2020 normal, but 1.9° above the 1895–2021 average. The ten wettest Julys across NJ since 1895.
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