The original item was published from 9/1/2021 4:34:00 PM to 9/24/2021 4:11:30 PM.

News Flash

Police Department

Posted on: September 1, 2021

[ARCHIVED] SPECIAL WEATHER ADVISORY: As of September 1, 2021 - 4:30 pm

We are anticipating a significant flood event in the Twsp due to the remnants of Hurricane Ida moving through our area. Forecasting indicates the Pompton River will crest Thurs, 9/2/21 in the evening; this is the time of greatest impact on our community.

Flood Causes:

Rainfall - 5”- 6” most of it on Wednesday night, ending Thursday morning
Saturated ground, based upon the recent impact of Hurricane/Tropical Storm Henri
Potential backflow issues due to major flooding on the Passaic River
Additional flow if the Pompton Gates open

Rainfall projections:

Heaviest rain subsides by midnight tonight (Wednesday, September 1, 2021)
Rain ends end by mid-morning on Thursday, September 2, 2021
Total expected rainfall: 5 inches – 6 inches

Projected Pompton River Crest:

Thursday, September 2, 2021 in the evening
Based on rainfall projections: Pompton crests at 17 ft. – 19 ft.
If added flow from Passaic River/Pompton Gates - increased crest could rise as high as 21 ft.

Flood-Affected Areas Based on Crest Predictions:

17 ft. – 19 ft.: Harrison Road, Route 23, Neighborhoods: Pequannock/Madison/Garrow/Riverside/Roland area
20 ft. – 21 ft.: The Village

Going Forward:

Please check Thursday morning for updates regarding any potential evacuations, well before expected river crest Thursday evening
Please understand that the foregoing information represents the results of the Township’s most recent analysis. This storm continues to be very challenging to predict but the goal is to be prepared!
Please remain alert to any changing conditions - some helpful links:
1. Pompton River hydrograph
2. Local Weather Forecast