Calamity
mediumWeatherCalamity Score: 52

Severe Thunderstorm Warning

55d agoNorth BrunswickUnited StatesSource: noaa

Severe Thunderstorm Warning issued July 4 at 8:59PM EDT until July 4 at 9:45PM EDT by NWS Mount Holly NJ

Geographic Context

This weather event occurred near North Brunswick (approximately 7 km away) in United States, an area that experiences a range of natural hazards. An estimated 3.1M people live within 50 km of the event location, placing this in the "significant" population impact tier.

Event Assessment

This event is a weather event classified as medium severity. Calamity.live has classified it as "medium" severity with a severity value of 50. The computed Calamity Score is 52 out of 100, reflecting a moderate-impact event. The primary scoring components are: population (100), historical (80), intensity (35). Data for this event was sourced from noaa, one of the 196 scientific monitoring sources aggregated by Calamity.live.

Regional Monitoring Context

United States has a documented history of weather events. Monitoring for weather events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.

Event Data

TypeWeather
Severitymedium
Severity Value50
Calamity Score52 / 100
Confidence89%
Coordinates40.4069, -74.5432
Nearest CityNorth Brunswick (7 km)
Population Exposed3.1M within 50 km
Impact Tiersignificant
Timestamp2026-07-05T00:59:00.000Z

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescNew Castle, DE; Camden, NJ; Gloucester, NJ; Salem, NJ; Delaware, PA; Philadelphia, PA; Kent, DE; New Castle, DE; Kent, MD; Queen Anne's, MD; Cumberland, NJ; Salem, NJ; Hunterdon, NJ; Warren, NJ; Berks, PA; Bucks, PA; Lehigh, PA; Northampton, PA and 9 more areas
HeadlineSevere Thunderstorm Warning issued July 4 at 8:59PM EDT until July 4 at 9:45PM EDT by NWS Mount Holly NJ
Expires2026-07-04T21:45:00-04:00
SenderNameNWS Mount Holly NJ
HasExactCoordstrue
MergedCount12
MergedIds["noaa_urn:oid:2.49.0.1.840.0.483686997623c83a3f7f4f5d9882444e5a5dda14.001.1","noaa_urn:oid:2.49.0.1.840.0.09763cffd53613953ec7c08b25f72edda07aeadb.001.1","noaa_urn:oid:2.49.0.1.840.0.7278ef7c5115c1c7a08d92a86121b663d6e12179.001.1","noaa_urn:oid:2.49.0.1.840.0.d0717ec9903b7bebee4cba45c944f4adfbb67ea4.001.1","noaa_urn:oid:2.49.0.1.840.0.64d0c44617543c62fab163ec70cef75ef08f14e5.001.1","noaa_urn:oid:2.49.0.1.840.0.1e2a95bd4ccbe5e4d85697f4040f5648fc3804d6.001.1","noaa_urn:oid:2.49.0.1.840.0.c587d3e44a6f60583ac4143a2f55224dcf19d0e7.001.1","noaa_urn:oid:2.49.0.1.840.0.e4e8ce5b15daf680adf5b0ad3fdfddc6a1da64c0.001.1","noaa_urn:oid:2.49.0.1.840.0.3e94182abd605ce9d5c99175a71050ff5a2f6da2.001.1","noaa_urn:oid:2.49.0.1.840.0.88b969bdfd4fe9f715b961f75a31f5c75f71f0f5.001.1","noaa_urn:oid:2.49.0.1.840.0.0ae4297d5494d67e3743b5cf207e9eae0c0fcced.001.1","noaa_urn:oid:2.49.0.1.840.0.031b8d117d255fb29d053efc7209913d94dfb4be.001.1"]
Iem TypeSummaryD
Iem Unit
Iem CityBlairstown Twp
Iem CountyWarren
Iem StateNJ
Iem WfoPHI
Iem RemarkSeveral trees and wires down across Blairstown. Time estimated by radar.
MergedSources[{"id":"iem_D_40.980_-74.160_1783210320000","source":"iem","severity":"low","severityValue":25,"timestamp":1783210320000,"latitude":40.98,"longitude":-74.16},{"id":"iem_D_41.010_-74.170_1783210140000","source":"iem","severity":"low","severityValue":25,"timestamp":1783210140000,"latitude":41.01,"longitude":-74.17},{"id":"iem_D_40.960_-74.140_1783210020000","source":"iem","severity":"low","severityValue":25,"timestamp":1783210020000,"latitude":40.96,"longitude":-74.14},{"id":"iem_D_40.980_-74.960_1783206600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206600000,"latitude":40.98,"longitude":-74.96}]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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Calamity.live data shows a weather event with CalamityScore 52/100, near North Brunswick (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 196 scientific monitoring sources.