Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 22 September 2026 at 06:45 UTC. It is kept here as a record.
It is the 7th strongest of the 11 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 21 September 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 22 at 12:39AM CDT until September 22 at 1:45AM CDT by NWS Mobile AL
Urban PEI: 327,056 within a heuristic 50 km radius; not unique people.
Nearby, since 12 March 2026
- March 12, 2026 · score 43 · 1.6 km
- July 19, 2026 · score 39 · 16.2 km
- July 20, 2026 · score 39 · 17.3 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
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 | 0.86/1 |
| Coordinates | 30.3000, -87.6380 |
| Nearest City | Foley (13 km) |
| Urban exposure index (PEI) | 327.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-22T05:39:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c25984ecdb7c57f8ff7a2df8474957c0af6addd1.001.1 |
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: 2026-09-22T05:39:00.000Z.
First archived: 2026-09-22T05:46:10.260Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-22T06:07:56.284Z · data_change
Index 37 → 37; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | South Mobile Bay; Mississippi Sound; Perdido Bay Area; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM |
| Headline | Special Marine Warning issued September 22 at 12:39AM CDT until September 22 at 1:45AM CDT by NWS Mobile AL |
| Expires | 2026-09-22T01:45:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 45 |
| Iem Unit | MPH |
| Iem City | 4 E Orange Beach |
| Iem County | GMZ633 |
| Iem State | AL |
| Iem Wfo | MOB |
| Iem Remark | XMLP - Mill Point Mesonet reported a peak gust of 45 mph or 39 knots from thunderstorm winds. |
| MergedSources | [{"id":"iem_M_30.400_-87.420_1790055900000","source":"iem","severity":"low","severityValue":25,"timestamp":1790055900000,"latitude":30.4,"longitude":-87.42},{"id":"iem_M_30.300_-87.510_1790055240000","source":"iem","severity":"low","severityValue":25,"timestamp":1790055240000,"latitude":30.3,"longitude":-87.51}] |
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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