Borough of North Caldwell Alerts
Severe Thunderstorm Warning issued July 21 at 2:43PM EDT until July 21 at 3:30PM EDT by NWS Upton NY
Headline
Severe Thunderstorm Warning issued July 21 at 2:43PM EDT until July 21 at 3:30PM EDT by NWS Upton NY
Description
SVROKX
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Eastern Passaic County in northeastern New Jersey...
Central Bergen County in northeastern New Jersey...
Northern Essex County in northeastern New Jersey...
* Until 330 PM EDT.
* At 242 PM EDT, a severe thunderstorm was located over Boonton, or 7
miles northwest of Caldwell, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* This severe thunderstorm will be near...
Fairfield around 250 PM EDT.
Wayne around 255 PM EDT.
Paterson around 300 PM EDT.
Hawthorne around 305 PM EDT.
Ridgewood around 310 PM EDT.
Paramus around 315 PM EDT.
Hackensack and Oradell around 320 PM EDT.
Instructions
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 900 PM EDT for northeastern
New Jersey.
Additional Details
| Type | Alert |
| Phenomena | Severe Thunderstorm |
| Severity | Warning |
| Event Code | SVR |
| Area | Bergen, NJ; Essex, NJ; Passaic, NJ |
| Sent | Tuesday, July 21, 2026 2:43 PM EDT |
| Expires | Tuesday, July 21, 2026 3:30 PM EDT |
| Sender | NWS Upton NY |
| Id | urn:oid:2.49.0.1.840.0.7739ac1f412b51c8d1bc4db879a4ce2a8184ea12.001.1 |