Calamity
criticalSevere weatherCalamity Score: 67

Severe weather near Harrisburg

United StatesNOAA

This alert expired on 5 July 2026 at 23:45 UTC. It is kept here as a record.

No stronger detection stands among the 117 recorded within 20 km of this point since 12 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 17 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued July 5 at 7:35PM EDT until July 5 at 7:45PM EDT by NWS State College PA

An estimated 138,852 people live within 50 km of this point.

Nearby, since 12 March 2026

How we know

Confirmed by 5 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.

Event Data

TypeSevere weather
Severitycritical
Calamity Score (ours)67 / 100
Our confidence87%
Coordinates40.2489, -76.9067
Nearest CityHarrisburg (3 km)
Population Exposed138.9K within 50 km
Impact Tiersevere
Timestamp2026-07-05T23:35:00.000Z

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescCumberland, PA; Dauphin, PA
HeadlineTornado Warning issued July 5 at 7:35PM EDT until July 5 at 7:45PM EDT by NWS State College PA
Expires2026-07-05T19:45:00-04:00
SenderNameNWS State College PA
HasExactCoordstrue
Iem TypeSummaryD
Iem City1 NE Landisburg
Iem CountyPerry
Iem StatePA
Iem WfoCTP
Iem RemarkTrees down on wires along Milltown Road.
MergedSources[{"id":"iem_D_40.580_-77.420_1783288200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783288200000,"latitude":40.58,"longitude":-77.42},{"id":"iem_D_40.590_-77.630_1783287720000","source":"iem","severity":"low","severityValue":25,"timestamp":1783287720000,"latitude":40.59,"longitude":-77.63},{"id":"iem_D_40.600_-77.410_1783287660000","source":"iem","severity":"low","severityValue":25,"timestamp":1783287660000,"latitude":40.6,"longitude":-77.41},{"id":"iem_D_40.350_-77.290_1783290240000","source":"iem","severity":"low","severityValue":25,"timestamp":1783290240000,"latitude":40.35,"longitude":-77.29}]

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, near Harrisburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.