New Jersey · September 8, 2023

New Jersey hail map — September 8, 2023

NOAA radar detected hail of an inch or more over 11 New Jersey cities on September 8, 2023. The largest stones — 1.50″, half dollar size — fell over Fair Lawn.

Hail swath map for Fair Lawn, NJ on September 8, 2023 showing 1.50 inch hail.
Swath over Fair Lawn on September 8, 20231.50″ hail. Each city below has its own map for this storm.
Cities hit
11
in New Jersey
Largest stone
1.50
half dollar size
Impact rating
5/10
from stone size

Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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What people on the ground measured in New Jersey on September 8, 2023

12 reports filed with the National Weather Service1 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.50 half dollar size Public
    1 NE Browns Mills, NJ4:08 PM EDTBurlington County

    Social media photo of ping pong ball sized hail in Browns Mills. Time estimated from radar.

  • 1.50 half dollar size Public
    Browns Mills, NJ4:38 PM EDTBurlington County

    Social media photo of ping pong ball sized hail in Browns Mills. Time estimated from radar.

  • 1.25 half dollar size Trained Spotter
    Long Valley, NJ5:05 PM EDTMorris County

    Photos from trained spotter showed hail as large as half dollar size in Long Valley. Hail fell for 5 minutes.

  • 1.00 quarter size Public
    Upper Saddle River, NJ3:05 PM EDTBergen County
  • 1.00 quarter size Cocorahs
    1 WSW Madison, NJ3:24 PM EDTMorris County

    Dime to quarter sized hail. Shredded maple leaves. Wind gusts of 15-20 mph.

  • 1.00 quarter size Public
    1 SSW Browns Mills, NJ4:01 PM EDTBurlington County

    Social media video showing quarter sized hail falling in Pemberton Township. Time estimated from radar.

  • 1.00 quarter size Public
    Califon, NJ4:45 PM EDTHunterdon County

    Social media video of hail falling up to quarter size in Califon. Time estimated from radar.

  • 1.00 quarter size Public
    1 NW Long Valley, NJ5:07 PM EDTMorris County

    Report from mPING: Quarter (1.00 in.).

  • 0.88 penny size Amateur Radio
    River Vale, NJ2:55 PM EDTBergen County

    Dime to nickel sized hail.

  • 0.88 penny size Fire Dept/Rescue
    1 NNE Washington Townsh, NJ2:55 PM EDTBergen County

    Nickel sized hail reported on Jefferson Avenue.

  • 0.88 penny size Public
    Montgomery Twp, NJ4:03 PM EDTSomerset County
  • 0.88 penny size Cocorahs
    1 NNW Califon, NJ4:47 PM EDTHunterdon County

    Visible accumulation on some surfaces that persisted for 30-40 minutes after hailstorm. Shredded leaves. Lasted approximately 15 minutes. Time estimated from radar.

Showing the 12 largest of 33 hail reports filed that day.

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

FAQ

New Jersey hail on September 8, 2023

NOAA radar put hail of an inch or more over 11 New Jersey cities that day. The largest stones — 1.50 inches, half dollar size — were over Fair Lawn. Every city hit is listed above with its own stone size.

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