Calamity
criticalSevere weatherCalamity Score: 67

Severe weather in United States

JeffersonUnited StatesNOAA

This alert expired on 19 June 2026 at 19:45 UTC. It is kept here as a record.

It is the strongest of the 36 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 16 June 2026. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued June 19 at 3:18PM EDT until June 19 at 3:45PM EDT by NWS Tallahassee FL

An estimated 201,731 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 67 out of 100, at 85 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitycritical
Calamity Score (ours)67 / 100
Our confidence85%
Coordinates30.3447, -83.8427
Nearest CityTallahassee (43 km)
Population Exposed201.7K within 50 km
Impact Tiersevere
Timestamp2026-06-19T19:18:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.05564004a1579a34c64be28e94a6f2a6eb8cdbc7.001.1

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescJefferson, FL
HeadlineTornado Warning issued June 19 at 3:18PM EDT until June 19 at 3:45PM EDT by NWS Tallahassee FL
Expires2026-06-19T15:45:00-04:00
SenderNameNWS Tallahassee FL
HasExactCoordstrue
Iem TypeSummaryD
Iem CityMadison
Iem CountyMadison
Iem StateFL
Iem WfoTAE
Iem RemarkA single tree down at each of the following locations: Rocky Ford Road, Dusty Miller Road, U.S. 90 west of Greenville and the City of Madison.
MergedSources[{"id":"iem_D_30.470_-83.410_1781888760000","source":"iem","severity":"low","severityValue":25,"timestamp":1781888760000,"latitude":30.47,"longitude":-83.41}]

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.

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Calamity.live data shows a weather event with CalamityScore 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.