This alert expired on 19 July 2026 at 02:30 UTC. It is kept here as a record.
It is the 24th strongest of the 179 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 18 at 10:20PM EDT until July 18 at 10:30PM EDT by NWS Mount Holly NJ
An estimated 153,568 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 28, 2026 · score 67 · 2.9 km
- June 12, 2026 · score 37 · 12.2 km
- July 23, 2026 · score 43 · 15.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 38.8028, -76.1011 |
| Nearest City | Easton (4 km) |
| Population Exposed | 153.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-19T02:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.28e11516a084fb273ea6d565ef13e8341d53cc94.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Caroline, MD; Talbot, MD |
| Headline | Flash Flood Warning issued July 18 at 10:20PM EDT until July 18 at 10:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-18T22:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Easton?
Calamity.live data shows a weather event with CalamityScore 43/100, near Easton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.