This alert expired on 19 June 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 33 recorded within 20 km of this point since 16 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 18 at 10:31PM CDT until June 18 at 11:00PM CDT by NWS Tallahassee FL
An estimated 90,901 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 18, 2026 · score 39 · 2.0 km
- June 13, 2026 · score 32 · 7.1 km
- March 17, 2026 · score 39 · 8.1 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 63 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 90% |
| Coordinates | 30.5270, -85.8370 |
| Nearest City | Lynn Haven (36 km) |
| Population Exposed | 90.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-19T03:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fc5b0704a158594d296e8a4f29ca786dd067593f.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Walton, FL; Washington, FL |
| Headline | Tornado Warning issued June 18 at 10:31PM CDT until June 18 at 11:00PM CDT by NWS Tallahassee FL |
| Expires | 2026-06-18T23:00:00-05:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 44 |
| Iem Unit | MPH |
| Iem City | 1 ENE Choctaw Beach |
| Iem County | Walton |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | FSWN Choctaw Beach. |
| MergedSources | [{"id":"iem_D_30.480_-86.340_1781837700000","source":"iem","severity":"low","severityValue":25,"timestamp":1781837700000,"latitude":30.48,"longitude":-86.34},{"id":"iem_D_30.480_-86.100_1781838480000","source":"iem","severity":"low","severityValue":25,"timestamp":1781838480000,"latitude":30.48,"longitude":-86.1},{"id":"iem_G_30.480_-86.330_1781837400000","source":"iem","severity":"low","severityValue":25,"timestamp":1781837400000,"latitude":30.48,"longitude":-86.33}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.