Right now
The most recent data we hold from NOAA arrived 20 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert expired on 6 September 2026 at 22:30 UTC. It is kept here as a record.
It is the 50th strongest of the 66 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 6 at 6:21PM EDT until September 6 at 6:30PM EDT by NWS Jacksonville FL
An estimated 82,893 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 27, 2026 · score 39 · 1.6 km
- May 30, 2026 · score 37 · 10.1 km
- August 8, 2026 · score 22 · 10.6 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 84 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 84% |
| Coordinates | 29.6292, -81.6767 |
| Nearest City | Palm Coast (45 km) |
| Population Exposed | 82.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-06T22:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.199f7eb6e601ad1b6a9e517d808d279a7ed2f1fa.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Flagler, FL; Putnam, FL; St. Johns, FL |
| Headline | Severe Thunderstorm Warning issued September 6 at 6:21PM EDT until September 6 at 6:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-09-06T18:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| Iem TypeSummary | R |
| Iem Magnitude | 2.84 |
| Iem Unit | Inch |
| Iem City | 4 SW Durbin |
| Iem County | St. Johns |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | Personal weather station 1SampsonMeadowLands - KFLSTAUG1111 measured 2.84 inches of rain. Rain began around 4 PM EDT. |
| MergedSources | [{"id":"iem_G_30.190_-81.690_1788726240000","source":"iem","severity":"low","severityValue":25,"timestamp":1788726240000,"latitude":30.19,"longitude":-81.69},{"id":"iem_G_30.220_-81.670_1788724500000","source":"iem","severity":"low","severityValue":25,"timestamp":1788724500000,"latitude":30.22,"longitude":-81.67},{"id":"iem_C_29.230_-81.180_1788722880000","source":"iem","severity":"low","severityValue":25,"timestamp":1788722880000,"latitude":29.23,"longitude":-81.18},{"id":"iem_R_30.040_-81.510_1788728400000","source":"iem","severity":"low","severityValue":25,"timestamp":1788728400000,"latitude":30.04,"longitude":-81.51}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.