This alert expired on 26 June 2026 at 22:30 UTC. It is kept here as a record.
It is the 5th strongest of the 6 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 15 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 26 at 5:46PM EDT until June 26 at 6:30PM EDT by NWS Tampa Bay Ruskin FL
An estimated 613,980 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 25, 2026 · score 52 · 8.5 km
- July 17, 2026 · score 52 · 17.0 km
- August 6, 2026 · score 52 · 19.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 77 % 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) | 48 / 100 |
| Our confidence | 77% |
| Coordinates | 27.8150, -81.9717 |
| Nearest City | Bartow (16 km) |
| Population Exposed | 614.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-26T21:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2e54b26df1da10d34a86695c47ae1877535c0703.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Polk, FL |
| Headline | Severe Thunderstorm Warning issued June 26 at 5:46PM EDT until June 26 at 6:30PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-06-26T18:30:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
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 48/100, near Bartow (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.