Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 28 May 2026 at 01:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 161 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 27 at 5:02PM EDT until May 27 at 9:00PM EDT by NWS Baltimore MD/Washington DC
An estimated 145,329 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 4, 2026 · score 37 · 0.0 km
- September 2, 2026 · score 37 · 0.0 km
- August 11, 2026 · score 43 · 0.0 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 37.4000, -78.7000 |
| Nearest City | Lynchburg (39 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T21:02:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.f02210e89f0fe37dbf35f88ac085ae7b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Albemarle, VA; Augusta, VA; Greene, VA; Highland, VA; Nelson, VA; Rockingham, VA; City of Charlottesville, VA; City of Harrisonburg, VA; City of Staunton, VA; City of Waynesboro, VA; Pendleton, WV; Amelia, VA; Brunswick, VA; Charles City, VA; Chesterfield, VA; Cumberland, VA; Dinwiddie, VA; Greensville, VA; Henrico, VA; Isle of Wight, VA; James City, VA; Lunenburg, VA; Mecklenburg, VA; Nottoway, VA; Powhatan, VA; Prince Edward, VA; Prince George, VA; Southampton, VA; Surry, VA; Sussex, VA; York, VA; City of Chesapeake, VA; City of Colonial Heights, VA; City of Emporia, VA; City of Franklin, VA; City of Hampton, VA; City of Hopewell, VA; City of Newport News, VA; City of Norfolk, VA; City of Petersburg, VA; City of Poquoson, VA; City of Portsmouth, VA; City of Richmond, VA; City of Suffolk, VA; City of Virginia Beach, VA; City of Williamsburg, VA; Alleghany, VA; Amherst, VA; Appomattox, VA; Bath, VA; Bedford, VA; Botetourt, VA; Buckingham, VA; Campbell, VA; Charlotte, VA; Craig, VA; Floyd, VA; Franklin, VA; Giles, VA; Halifax, VA; Henry, VA; Montgomery, VA; Patrick, VA; Pittsylvania, VA; Pulaski, VA; Roanoke, VA; Rockbridge, VA; City of Buena Vista, VA; City of Covington, VA; City of Danville, VA; City of Lexington, VA; City of Lynchburg, VA; City of Martinsville, VA; City of Radford, VA; City of Roanoke, VA; City of Salem, VA; Greenbrier, WV; Mercer, WV; Monroe, WV; Summers, WV |
| Headline | Severe Thunderstorm Watch issued May 27 at 5:02PM EDT until May 27 at 9:00PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-05-27T21:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f02210e89f0fe37dbf35f88ac085ae7be80e3c01.002.1","noaa_urn:oid:2.49.0.1.840.0.d382662b8f95e38a1ce1f7f522b2930a52a253e9.003.1","noaa_urn:oid:2.49.0.1.840.0.a8239b8105fcf4e0c22a6b9bb54043975e097af3.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 N Lake Monticello |
| Iem County | Fluvanna |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | 2 trees knocked down in the Lake Monticello area. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_38.060_-78.530_1779908160000","source":"iem","severity":"low","severityValue":25,"timestamp":1779908160000,"latitude":38.06,"longitude":-78.53},{"id":"iem_D_38.030_-78.520_1779908400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779908400000,"latitude":38.03,"longitude":-78.52},{"id":"iem_D_36.860_-78.840_1779911460000","source":"iem","severity":"low","severityValue":25,"timestamp":1779911460000,"latitude":36.86,"longitude":-78.84},{"id":"iem_D_37.930_-78.330_1779910260000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910260000,"latitude":37.93,"longitude":-78.33}] |
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 8 March 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.
Want to know when something happens in this area?
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 185 scientific monitoring sources.