Calamity
mediumSevere weatherCalamity Score: 43

Severe Weather near Reading

BerksUnited StatesNOAA

This alert expired on 8 August 2026 at 03:30 UTC. It is kept here as a record.

No stronger detection stands among the 77 recorded within 20 km of this point since 12 March 2026 — 36 others scored the same. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flood Warning issued August 7 at 7:27PM EDT until August 7 at 11:30PM EDT by NWS Mount Holly NJ

An estimated 373,437 people live within 50 km of this point.

Nearby, since 12 March 2026

How we know

Confirmed by 33 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 88 % 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)43 / 100
Our confidence88%
Coordinates40.5361, -75.8267
Nearest CityReading (23 km)
Population Exposed373.4K within 50 km
Impact Tiersignificant
Timestamp2026-08-07T23:27:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.c2aa731ce0e6aed354bec61beeb75ea5

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventFlood Warning
UrgencyImmediate
CertaintyLikely
AreaDescWarren, NJ; Monroe, PA; Northampton, PA; Lancaster, PA; York, PA
HeadlineFlood Warning issued August 7 at 7:27PM EDT until August 7 at 11:30PM EDT by NWS Mount Holly NJ
Expires2026-08-07T23:30:00-04:00
SenderNameNWS Mount Holly NJ
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.c2aa731ce0e6aed354bec61beeb75ea516cd9f09.001.1","noaa_urn:oid:2.49.0.1.840.0.3446a413b6f77ccc46623315f98d0ac35796def7.001.1"]
Iem TypeSummaryF
Iem City2 NW East Petersburg
Iem CountyLancaster
Iem StatePA
Iem WfoCTP
Iem RemarkRoadways flooded.
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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 43/100, near Reading (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.