Right now
The most recent data we hold from NOAA arrived 12 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 17 May 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 17 recorded within 20 km of this point since 12 March 2026 — 8 others scored the same. The last comparable one was on 16 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 6:05PM EDT until May 17 at 6:30PM EDT by NWS Jacksonville FL
Nearby, since 12 March 2026
- May 23, 2026 · score 22 · 10.8 km
- July 11, 2026 · score 22 · 15.5 km
- March 12, 2026 · score 22 · 20.7 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 30.4160, -82.7220 |
| Nearest City | Valdosta (70 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-17T22:05:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1d9bf3986e75ae21ccbb0f7204c75e7331193640.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Columbia, FL; Hamilton, FL |
| Headline | Severe Thunderstorm Warning issued May 17 at 6:05PM EDT until May 17 at 6:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-05-17T18:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.7 |
| Iem Unit | Inch |
| Iem City | 5 WNW Mcalpin |
| Iem County | Suwannee |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | Emergency manager reports dime size hail. |
| MergedSources | [{"id":"iem_G_30.180_-82.580_1779053700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779053700000,"latitude":30.18,"longitude":-82.58},{"id":"iem_H_30.090_-82.680_1779052500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779052500000,"latitude":30.09,"longitude":-82.68},{"id":"iem_H_30.160_-83.040_1779049200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779049200000,"latitude":30.16,"longitude":-83.04}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.