This alert expired on 17 July 2026 at 20:00 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 15 March 2026 — 4 others scored the same. The last comparable one was on 27 June 2026.
What the source measured
NOAA reported: Special Marine Warning issued July 17 at 3:22PM EDT until July 17 at 4:00PM EDT by NWS Miami FL
An estimated 1,355,483 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 25, 2026 · score 52 · 11.2 km
- May 2, 2026 · score 52 · 12.6 km
- June 26, 2026 · score 48 · 17.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 27.8340, -82.1436 |
| Nearest City | Bloomingdale (11 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T19:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.883989df41569e98db89700ecf0f4216 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Okeechobee; Tampa Bay waters; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM |
| Headline | Special Marine Warning issued July 17 at 3:22PM EDT until July 17 at 4:00PM EDT by NWS Miami FL |
| Expires | 2026-07-17T16:00:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.883989df41569e98db89700ecf0f421631b83bb7.001.1","noaa_urn:oid:2.49.0.1.840.0.bb4cd1ee1e9620ba33e92d92110b9733eb9c49e0.001.1","noaa_urn:oid:2.49.0.1.840.0.bc7acfda8ab0e3de07048b95f18f6daa37088ff3.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Bloomingdale (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.