Calamity
mediumSevere weatherCalamity Score: 48

Severe weather near McKeesport

WestmorelandUnited StatesNOAA

This alert expired on 5 July 2026 at 02:00 UTC. It is kept here as a record.

It is the 13th strongest of the 146 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 25 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flash Flood Warning issued July 4 at 7:07PM EDT until July 4 at 10:00PM EDT by NWS Pittsburgh PA

An estimated 605,523 people live within 50 km of this point.

Nearby, since 11 March 2026

How we know

Confirmed by 31 independent sources, including NOAA.

Our own score for this event is 48 out of 100, at 89 % confidence.

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

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)48 / 100
Our confidence89%
Coordinates40.2210, -79.7664
Nearest CityMcKeesport (16 km)
Population Exposed605.5K within 50 km
Impact Tiersignificant
Timestamp2026-07-04T23:07:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.7f5b7986bf1374c51477b0fa5547d4e7

Score Breakdown

35
intensity
85
population
0
cascading
80
historical

Technical Details

EventFlash Flood Warning
UrgencyImmediate
CertaintyLikely
AreaDescWestmoreland, PA; Fayette, PA; Washington, PA; Westmoreland, PA
HeadlineFlash Flood Warning issued July 4 at 7:07PM EDT until July 4 at 10:00PM EDT by NWS Pittsburgh PA
Expires2026-07-04T22:00:00-04:00
SenderNameNWS Pittsburgh PA
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.7f5b7986bf1374c51477b0fa5547d4e7a5518efc.001.1","noaa_urn:oid:2.49.0.1.840.0.5457237db6bb53e4be3e69a1be4c773531a1ce22.001.1"]
Iem TypeSummaryD
Iem City2 SSE Morgantown
Iem CountyMonongalia
Iem StateWV
Iem WfoPBZ
Iem Remarktrees down.
Google News RssFeedweather
Google News SourceNameCBS News
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Safety Information

During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.

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 48/100, near McKeesport (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.