44
Recorded events
0
Direct deaths
0
Direct injuries
$100K
Property damage
Heavy Rain in Morris County, New Jersey: 44 recorded events between 1997 and 2017. The strongest on record measured 0. That places the county #109 nationally and #10 statewide for this hazard.
Decade by decade
Heavy Rain in Morris County, New Jersey: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for heavy rain in Morris County is the 2000s, when 23 of the county's 44 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Morris County archive, heavy rain makes up 6.8% of all recorded severe weather across 10 hazard types. Nationally the county sits at #109 for this hazard and #10 within New Jersey, putting it in the 95.5 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for heavy rain in Morris County with 9 recorded events, while Dec is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 16, 2017 | (MMU)MORRISTOWN MUNI | 0 | $0 |
| Jul 7, 2017 | MORRIS PLAINS | 0 | $0 |
| Sep 19, 2016 | BOONTON | 0 | $0 |
| Jul 31, 2016 | POWERVILLE | 0 | $0 |
| Jul 31, 2016 | BOONTON | 0 | $0 |
| Jul 31, 2016 | DENVILLE | 0 | $0 |
| Jul 31, 2016 | MORRIS PLAINS | 0 | $0 |
| Jul 30, 2016 | BUTLER | 0 | $0 |
| Jun 9, 2009 | HANOVER | 0 | $0 |
| Oct 25, 2008 | GREEN POND | 0 | $0 |
Other hazards here
More from Morris County
- Thunderstorm Wind 349
- Hail 72
- Flash Flood 63
- Flood 59
- Lightning 49
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The heavy rain storm totals from Morris County included 1.80 inches in Beaver Brook, 1.76 inches in Boonton, 1.68 inches in Morris Plains, 1.60 inches in Morristown and 1.52 inches in Pequannock. While gauged rivers in the Passaic River Basin stayed within bankfull, the heavy rain in the county contributed to flooding along the North Branch of the Raritan River in Somerset County.
Quick answers
Frequently asked
How many heavy rain events are on record in Morris County, New Jersey?
44 heavy rain events are recorded in Morris County between 1997 and 2017, causing 0 direct deaths.
What is the strongest heavy rain recorded in Morris County?
The strongest heavy rain on record in Morris County measured 0.
Where does the heavy rain data for Morris County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Heavy Rain in Morris County, New Jersey.” Severe Weather History. severeweatherhistory.com/county/new-jersey/morris-county/heavy-rain/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.