Calamity
mediumSevere weatherCalamity Score: 43

Severe weather near Mechanicsville

HanoverUnited StatesNOAA

This alert expired on 10 August 2026 at 22:15 UTC. It is kept here as a record.

It is the 12th strongest of the 77 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 8 August 2026. 12 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued August 10 at 6:09PM EDT until August 10 at 6:15PM EDT by NWS Baltimore MD/Washington DC

An estimated 479,284 people live within 50 km of this point.

Nearby, since 17 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 85 % 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 confidence85%
Coordinates37.6877, -77.2465
Nearest CityMechanicsville (14 km)
Population Exposed479.3K within 50 km
Impact Tiersignificant
Timestamp2026-08-10T22:09:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.590fff88d0fa247dd26a043d65c70e8c

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCalvert, MD; St. Marys, MD; St. Marys, MD; Charles City, VA; Chesterfield, VA; Goochland, VA; Hanover, VA; Henrico, VA; King William, VA; New Kent, VA; Powhatan, VA; Prince George, VA; City of Hopewell, VA; City of Richmond, VA and 9 more areas
HeadlineSevere Thunderstorm Warning issued August 10 at 6:09PM EDT until August 10 at 6:15PM EDT by NWS Baltimore MD/Washington DC
Expires2026-08-10T18:15:00-04:00
SenderNameNWS Baltimore MD/Washington DC
HasExactCoordstrue
MergedCount13
MergedIds["noaa_urn:oid:2.49.0.1.840.0.590fff88d0fa247dd26a043d65c70e8cc7967da7.001.1","noaa_urn:oid:2.49.0.1.840.0.52f83d26ee7363532ac5df37ddca71b0640b51a0.002.1","noaa_urn:oid:2.49.0.1.840.0.4b6def6ab9cddf9eca462181039a7b0d6bd974b8.001.1","noaa_urn:oid:2.49.0.1.840.0.3ff67f7df7d26a482c5ea02850588e7b7e468f13.001.1","noaa_urn:oid:2.49.0.1.840.0.fbe6f2410869fb1ab0bda8c61c9f9bf0e79f7f53.001.1","noaa_urn:oid:2.49.0.1.840.0.2e9bfa66f6434e3d0a53819adfcdd544c650f3b4.001.1","noaa_urn:oid:2.49.0.1.840.0.5df0c65b2816725c6043bb1394200f5966a5395a.002.1","noaa_urn:oid:2.49.0.1.840.0.f80e57843233ebd2fb96860c59b3210b8179d0d2.001.1","noaa_urn:oid:2.49.0.1.840.0.1d4c9569cc4c1b619b1350f6ef7531d587276f69.001.1","noaa_urn:oid:2.49.0.1.840.0.5bce5eb63568efb16e2ed0a7d82f739d91c8818a.001.1","noaa_urn:oid:2.49.0.1.840.0.651641f83d18b067eb2b64f0841a5c86e0558594.001.1","noaa_urn:oid:2.49.0.1.840.0.5e69d9e9698d04480e94961ba7e5418052b82e9a.002.1","noaa_urn:oid:2.49.0.1.840.0.203d87ba29828d33232d627c92f938ab53d26d23.001.1"]
Iem TypeSummaryD
Iem City2 N Hadensville
Iem CountyGoochland
Iem StateVA
Iem WfoAKQ
Iem RemarkTrees downed at the intersection of Three Chopt Rd and Walton Rd. VA-699 closed in both directions in this location.
MergedSources[{"id":"iem_D_37.860_-78.000_1786396800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786396800000,"latitude":37.86,"longitude":-78}]

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 43/100, near Mechanicsville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.