Calamity
mediumSevere weatherCalamity Score: 52

Severe weather near South Riding

LoudounUnited StatesNOAA

This alert expired on 5 July 2026 at 23:15 UTC. It is kept here as a record.

It is the 5th strongest of the 116 detections recorded within 20 km of this point since 13 March 2026. The last comparable one was on 28 June 2026. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 5 at 6:26PM EDT until July 5 at 7:15PM EDT by NWS Wakefield VA

An estimated 3,454,232 people live within 50 km of this point.

Nearby, since 13 March 2026

How we know

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

Our own score for this event is 52 out of 100, at 78 % 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)52 / 100
Our confidence78%
Coordinates38.9529, -77.5519
Nearest CitySouth Riding (6 km)
Population Exposed3.5M within 50 km
Impact Tiersignificant
Timestamp2026-07-05T22:26:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.eb78599f21974901f766eb5639eef3bf

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCaroline, VA; Hanover, VA; Henrico, VA; King William, VA; Culpeper, VA; Orange, VA; Spotsylvania, VA; Hanover, VA; Henrico, VA; City of Richmond, VA and 4 more areas
HeadlineSevere Thunderstorm Warning issued July 5 at 6:26PM EDT until July 5 at 7:15PM EDT by NWS Wakefield VA
Expires2026-07-05T19:15:00-04:00
SenderNameNWS Wakefield VA
HasExactCoordstrue
MergedCount7
MergedIds["noaa_urn:oid:2.49.0.1.840.0.eb78599f21974901f766eb5639eef3bf9073db1c.001.1","noaa_urn:oid:2.49.0.1.840.0.74b2a5812e70a6a118db243afc0bc5a5d5664891.001.1","noaa_urn:oid:2.49.0.1.840.0.b7687bd09783bc9187c91d9bba5b259e1d17894a.001.1","noaa_urn:oid:2.49.0.1.840.0.7193a1496f5824f59597fe45bbbd6c0a444d7a26.001.1","noaa_urn:oid:2.49.0.1.840.0.1be5f27eb78a4cf2928a123677887dad65cf05db.001.1","noaa_urn:oid:2.49.0.1.840.0.6eeb123780cc6095d4866bf54bee43716af2d5b1.001.1","noaa_urn:oid:2.49.0.1.840.0.e6e37e4296a328803385da00d1472c67e8f79ca8.001.1"]

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 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 52/100, near South Riding (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.