Right now
The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 23 June 2026 at 02:30 UTC. It is kept here as a record.
It is the 51st strongest of the 81 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 17 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 22 at 9:53PM EDT until June 22 at 10:30PM EDT by NWS Mount Holly NJ
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 22 / 100 |
| Legacy data-support index | 0.64/1 |
| Coordinates | 37.8335, -75.5157 |
| Nearest City | Salisbury (59 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-23T01:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.d65f88d31663da891e3ac5af1ace0e55 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-23T01:53:00.000Z.
First archived: 2026-06-23T02:29:50.342Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM; Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM; Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM; Waters from Great Egg Inlet NJ to Cape May NJ from 20 to 60 NM; Waters from Cape May NJ to Fenwick Island DE from 20 to 60 NM; Chesapeake Bay from Smith Point to Windmill Point VA; Coastal waters from Chincoteague to Parramore Island VA out 20 NM; Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM; Waters from Chincoteague VA to Parramore Island VA from 20 to 60 NM; Waters from Parramore Island VA to Cape Charles Light VA from 20 to 60 NM; Chesapeake Bay from Windmill Point to New Point Comfort VA; Chesapeake Bay from New Point Comfort to Little Creek VA; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel; York River; James River from Jamestown to the James River Bridge; James River from JRB to HRBT, Including the Elizabeth River |
| Headline | Special Marine Warning issued June 22 at 9:53PM EDT until June 22 at 10:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-22T22:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d65f88d31663da891e3ac5af1ace0e55000bb219.002.1","noaa_urn:oid:2.49.0.1.840.0.8b766ae9eb97a51b5b9404ae69b4fd7666437cb6.001.1","noaa_urn:oid:2.49.0.1.840.0.13957fbf7ef51f2db77bf5fac6e060a17a56bda2.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | mph |
| Iem City | Point Lookout |
| Iem County | St. Marys |
| Iem State | MD |
| Iem Wfo | LWX |
| MergedSources | [{"id":"iem_M_38.040_-76.320_1782171840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782171840000,"latitude":38.04,"longitude":-76.32}] |
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.
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