Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather near Johnstown

SomersetUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

7 other detections within 20 km in the last 24 hours, the nearest 14 km from here.

This alert expired on 6 June 2026 at 19:45 UTC. It is kept here as a record.

It is the 16th strongest of the 216 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 6 at 3:20PM EDT until June 6 at 3:45PM EDT by NWS Pittsburgh PA

An estimated 19,966 people live within 50 km of this point.

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 34 out of 100, at 80 % 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
SeverityMedium
Calamity Score (ours)34 / 100
Our confidence80%
Coordinates40.1975, -79.0607
Nearest CityJohnstown (19 km)
Population Exposed20.0K within 50 km
Impact Tiersignificant
Timestamp2026-06-06T19:20:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.82ed4524c5ac8a05de4e9376bbc69d4f

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescFayette, PA; Greene, PA; Westmoreland, PA; Marion, WV; Monongalia, WV; Preston, WV; Wetzel, WV; Fayette, PA; Westmoreland, PA; Allegany, MD; Garrett, MD; Mineral, WV and 3 more areas
HeadlineSevere Thunderstorm Warning issued June 6 at 3:20PM EDT until June 6 at 3:45PM EDT by NWS Pittsburgh PA
Expires2026-06-06T15:45:00-04:00
SenderNameNWS Pittsburgh PA
HasExactCoordstrue
MergedCount6
MergedIds["noaa_urn:oid:2.49.0.1.840.0.82ed4524c5ac8a05de4e9376bbc69d4f89bbca2a.002.1","noaa_urn:oid:2.49.0.1.840.0.8185569cf5d0330dd7642253b8e14a814393412a.001.1","noaa_urn:oid:2.49.0.1.840.0.30f560287d363ad3c72879f9e5c04f752da0195c.001.1","noaa_urn:oid:2.49.0.1.840.0.56735fa84bfe444b2232418f5ec057f36866ffe1.001.1","noaa_urn:oid:2.49.0.1.840.0.91b9f71f4eca1e79ed647e9e1fe7a55684a2a4a7.001.1","noaa_urn:oid:2.49.0.1.840.0.6d2f7227cc3e79206a9889705d75469574bddbad.001.1"]

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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