Calamity
criticalSevere weatherCalamity Score: 46

Severe Weather in United States

AlleganyUnited StatesNOAA

This alert expired on 18 July 2026 at 19:15 UTC. It is kept here as a record.

No stronger detection stands among the 16 recorded within 20 km of this point since 17 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued July 18 at 3:01PM EDT until July 18 at 3:15PM EDT by NWS Buffalo NY

Nearby, since 17 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 46 out of 100, at 60 % 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)46 / 100
Our confidence60%
Coordinates42.2390, -78.2810
Nearest CityLackawanna (79 km)
Impact Tierminor
Timestamp2026-07-18T19:01:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.617bd264f2ba14dcb5eaf9b795187a87

Score Breakdown

95
intensity
0
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescGenesee, NY; Livingston, NY; Monroe, NY; Elk, PA
HeadlineTornado Warning issued July 18 at 3:01PM EDT until July 18 at 3:15PM EDT by NWS Buffalo NY
Expires2026-07-18T15:15:00-04:00
SenderNameNWS Buffalo NY
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.617bd264f2ba14dcb5eaf9b795187a879f6a08a1.002.1","noaa_urn:oid:2.49.0.1.840.0.b79d324dcde4196c04ac35abe1b3d1487a927b7e.001.1"]

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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.