Calamity
CriticalSevere WeatherCalamity Score: 67

Severe Weather near Chattanooga

DadeUnited StatesNOAA

This alert expired on 22 June 2026 at 22:45 UTC. It is kept here as a record.

No stronger detection stands among the 52 recorded within 20 km of this point since 16 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued June 22 at 5:59PM EDT until June 22 at 6:45PM EDT by NWS Peachtree City GA

An estimated 371,216 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 4 independent sources, including NOAA.

Our own score for this event is 67 out of 100, at 87 % 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

TypeSevere Weather
SeverityCritical
Calamity Score (ours)67 / 100
Our confidence87%
Coordinates34.8607, -85.5471
Nearest CityChattanooga (30 km)
Population Exposed371.2K within 50 km
Impact Tiersevere
Timestamp2026-06-22T21:59:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.bfedb709d71c68c7c9205eae21924fc5

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescCatoosa, GA; Dade, GA; Walker, GA; DeKalb, AL; Jackson, AL
HeadlineTornado Warning issued June 22 at 5:59PM EDT until June 22 at 6:45PM EDT by NWS Peachtree City GA
Expires2026-06-22T18:45:00-04:00
SenderNameNWS Peachtree City GA
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.bfedb709d71c68c7c9205eae21924fc544c2a0d0.001.1","noaa_urn:oid:2.49.0.1.840.0.36e3254f9a783ac438f613fc6d7f5ca5c127aec8.001.1"]
Iem TypeSummaryD
Iem City4 NW Langston
Iem CountyJackson
Iem StateAL
Iem WfoHUN
Iem RemarkTrees down on power lines on County Road 77 at Guffey Road.
MergedSources[{"id":"iem_D_34.710_-85.740_1782158040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158040000,"latitude":34.71,"longitude":-85.74},{"id":"iem_D_34.980_-85.680_1782157200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782157200000,"latitude":34.98,"longitude":-85.68},{"id":"iem_D_34.570_-86.140_1782158040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782158040000,"latitude":34.57,"longitude":-86.14}]

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 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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Calamity.live data shows a weather event with CalamityScore 67/100, near Chattanooga (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.