This alert expired on 1 August 2026 at 22:30 UTC. It is kept here as a record.
It is the 6th strongest of the 125 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 26 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 1 at 5:57PM EDT until August 1 at 6:30PM EDT by NWS Baltimore MD/Washington DC
An estimated 257,661 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 2, 2026 · score 37 · 5.0 km
- July 23, 2026 · score 43 · 5.4 km
- August 2, 2026 · score 37 · 6.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 57 out of 100, at 86 % 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 | Critical |
| Calamity Score (ours) | 57 / 100 |
| Our confidence | 86% |
| Coordinates | 38.6957, -76.2943 |
| Nearest City | Easton (20 km) |
| Population Exposed | 257.7K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-08-01T21:57:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.427cc612416239a40c459db37590d2b42a82f581.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River |
| Headline | Special Marine Warning issued August 1 at 5:57PM EDT until August 1 at 6:30PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-08-01T18:30:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| Ogimet StationId | 72503 |
| Ogimet WindSpeed | 84 |
| Ogimet WindUnit | knots |
| Ogimet Temperature | 30.6 |
| Ogimet TemperatureUnit | C |
| Ogimet RawSynop | 08,01,17,51,AAXX 01184 72503 32666 61714 10306 20189 30122 40136 58006 91751 333 10306 20244 91020 555 90118= |
| MergedSources | [{"id":"ogimet_72503_1785621406641","source":"ogimet","severity":"critical","severityValue":90,"timestamp":1785621406641,"latitude":38.9,"longitude":-77}] |
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.
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 57/100, near Easton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.