Right now
The most recent data we hold from NOAA arrived 4 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 21 July 2026 at 08:00 UTC. It is kept here as a record.
It is the 32nd strongest of the 52 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Storm Surge Watch issued July 20 at 6:57PM CDT by NWS Mobile AL
An estimated 222,013 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 3, 2026 · score 43 · 6.5 km
- July 21, 2026 · score 43 · 10.0 km
- August 2, 2026 · score 37 · 12.4 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, at 80 % 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 | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 30.1692, -89.1123 |
| Nearest City | Long Beach (20 km) |
| Population Exposed | 222.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T23:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Storm Surge Watch_noaa_urn:oid:2.49.0.1.840.0.a63525c0d2dc6250111e0c0660137f61 |
Score Breakdown
Technical Details
| Event | Storm Surge Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Mobile Coastal; Baldwin Coastal; Lower St. Bernard and 6 more areas |
| Headline | Storm Surge Watch issued July 20 at 6:57PM CDT by NWS Mobile AL |
| Expires | 2026-07-21T03:00:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a63525c0d2dc6250111e0c0660137f61996a2eba.002.1","noaa_urn:oid:2.49.0.1.840.0.a63525c0d2dc6250111e0c0660137f61996a2eba.001.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.002.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.007.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.003.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.001.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.004.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.006.1","noaa_urn:oid:2.49.0.1.840.0.32a25de450c4b7ff9021e07420cad4d6fae88cf9.005.1"] |
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.
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