Right now
The most recent data we hold from NOAA arrived 6 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 19 June 2026 at 04:45 UTC. It is kept here as a record.
No stronger detection stands among the 68 recorded within 20 km of this point since 16 March 2026 — 20 others scored the same. The last comparable one was on 16 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 18 at 8:49PM CDT until June 18 at 11:45PM CDT by NWS Tallahassee FL
Urban PEI: 90,901 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 26, 2026 · score 39 · 1.9 km
- July 5, 2026 · score 39 · 6.8 km
- August 2, 2026 · score 32 · 9.4 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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) | 39 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 30.2353, -85.8271 |
| Nearest City | Lynn Haven (17 km) |
| Urban exposure index (PEI) | 90.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-19T01:49:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.dbb1b9e4576dc8a27b898012d1eebad0134834d6.001.1 |
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: 2026-06-19T01:49:00.000Z.
First archived: 2026-06-19T04:30:42.189Z. 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 | St. Andrews Bay Waterways; Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM |
| Headline | Special Marine Warning issued June 18 at 8:49PM CDT until June 18 at 11:45PM CDT by NWS Tallahassee FL |
| Expires | 2026-06-18T23:45:00-05:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 44 |
| Iem Unit | MPH |
| Iem City | 1 ENE Choctaw Beach |
| Iem County | Walton |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | FSWN Choctaw Beach. |
| MergedSources | [{"id":"iem_D_30.480_-86.340_1781837700000","source":"iem","severity":"low","severityValue":25,"timestamp":1781837700000,"latitude":30.48,"longitude":-86.34},{"id":"iem_D_30.480_-86.100_1781838480000","source":"iem","severity":"low","severityValue":25,"timestamp":1781838480000,"latitude":30.48,"longitude":-86.1},{"id":"iem_G_30.480_-86.330_1781837400000","source":"iem","severity":"low","severityValue":25,"timestamp":1781837400000,"latitude":30.48,"longitude":-86.33}] |
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.
Review the area, threshold and delivery channel in your account.
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