Right now
The most recent data we hold from NOAA arrived 3 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 20 June 2026 at 20:15 UTC. It is kept here as a record.
It is the 20th strongest of the 42 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 20 at 3:55PM EDT until June 20 at 4:15PM EDT by NWS Tallahassee FL
Nearby, since 16 March 2026
- July 17, 2026 · score 22 · 11.0 km
- May 7, 2026 · score 39 · 14.7 km
- July 29, 2026 · score 39 · 20.7 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.64/1 |
| Coordinates | 30.2928, -83.3274 |
| Nearest City | Valdosta (60 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-20T19:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.03b554195285351e859287dcba3ee9ec |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-20T19:55:00.000Z.
First archived: 2026-06-20T20:06:16.190Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, FL; Madison, FL; Lafayette, FL; Taylor, FL |
| Headline | Severe Thunderstorm Warning issued June 20 at 3:55PM EDT until June 20 at 4:15PM EDT by NWS Tallahassee FL |
| Expires | 2026-06-20T16:15:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.03b554195285351e859287dcba3ee9ec75f3041a.002.1","noaa_urn:oid:2.49.0.1.840.0.91ee4233c6f15b956e4e9480d6d4299f6928839e.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 WNW Lois |
| Iem County | Jefferson |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | Power lines reported down on W. Washington highway. |
| MergedSources | [{"id":"iem_D_30.540_-83.940_1781983800000","source":"iem","severity":"low","severityValue":25,"timestamp":1781983800000,"latitude":30.54,"longitude":-83.94}] |
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.
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