Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 22 September 2026, 04:00 UTC.
It is the 30th strongest of the 66 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 21 at 9:35PM CDT until September 21 at 11:00PM CDT by NWS Mobile AL
Urban PEI: 283,882 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- September 22, 2026 · score 37 · 0.0 km
- June 2, 2026 · score 43 · 3.8 km
- May 7, 2026 · score 43 · 4.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 30.5557, -88.0103 |
| Nearest City | Fairhope (11 km) |
| Urban exposure index (PEI) | 283.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-22T02:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c48b9939ec83b5f004788f922ee460be07eba00a.001.1 |
Physical priority index · v5. 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: 2026-09-22T02:35:00.000Z.
First archived: 2026-09-22T02:38:09.289Z. 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 | North Mobile Bay; South Mobile Bay; Mississippi Sound; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; North Mobile Bay |
| Headline | Special Marine Warning issued September 21 at 9:35PM CDT until September 21 at 11:00PM CDT by NWS Mobile AL |
| Expires | 2026-09-21T23:00:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c48b9939ec83b5f004788f922ee460be07eba00a.001.1","noaa_urn:oid:2.49.0.1.840.0.3f9ce7dd90711f943d4c0c78807037fc31d047cc.001.1"] |
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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