Calamity
mediumSevere weatherCalamity Score: 43

Severe weather in United States

AppomattoxUnited StatesNOAA

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

It is the 3rd strongest of the 122 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Watch issued July 4 at 7:03PM EDT until July 4 at 10:00PM EDT by NWS Blacksburg VA

An estimated 145,329 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 25 independent sources, including NOAA.

Our own score for this event is 43 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)43 / 100
Our confidence89%
Coordinates37.4000, -78.7000
Nearest CityLynchburg (39 km)
Population Exposed145.3K within 50 km
Impact Tiersignificant
Timestamp2026-07-04T23:03:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.ebac8f4156c70d8285c3f2306d28189b

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Watch
UrgencyFuture
CertaintyPossible
AreaDescAppomattox, VA; Buckingham, VA; Campbell, VA; Charlotte, VA; Halifax, VA; Henry, VA; Pittsylvania, VA; City of Danville, VA; City of Martinsville, VA; Amelia, VA; Brunswick, VA; Caroline, VA; Charles City, VA; Chesterfield, VA; Cumberland, VA; Dinwiddie, VA; Essex, VA; Fluvanna, VA; Gloucester, VA; Goochland, VA; Greensville, VA; Hanover, VA; Henrico, VA; James City, VA; King and Queen, VA; King William, VA; Lancaster, VA; Louisa, VA; Lunenburg, VA; Mathews, VA; Mecklenburg, VA; Middlesex, VA; New Kent, VA; Northumberland, VA; Nottoway, VA; Powhatan, VA; Prince Edward, VA; Prince George, VA; Richmond, VA; Surry, VA; Sussex, VA; Westmoreland, VA; York, VA; City of Colonial Heights, VA; City of Emporia, VA; City of Hopewell, VA; City of Petersburg, VA; City of Poquoson, VA; City of Richmond, VA; City of Williamsburg, VA
HeadlineSevere Thunderstorm Watch issued July 4 at 7:03PM EDT until July 4 at 10:00PM EDT by NWS Blacksburg VA
Expires2026-07-04T22:00:00-04:00
SenderNameNWS Blacksburg VA
HasExactCoordsfalse
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.ebac8f4156c70d8285c3f2306d28189b10b756d8.002.1","noaa_urn:oid:2.49.0.1.840.0.cb47b98572f9e735448561b6179f42ae450a4853.003.1"]
Iem TypeSummaryG
Iem Magnitude46
Iem UnitMPH
Iem CityRustburg
Iem CountyCampbell
Iem StateVA
Iem WfoRNK
Iem RemarkMesonet station FW3585 Rustburg.
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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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.