This alert expired on 22 June 2026 at 22:52 UTC. It is kept here as a record.
No stronger detection stands among the 62 recorded within 20 km of this point since 12 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 6:43PM EDT until June 22 at 6:45PM EDT by NWS Baltimore MD/Washington DC
An estimated 3,309,927 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 18, 2026 · score 52 · 12.9 km
- March 17, 2026 · score 52 · 14.1 km
- March 16, 2026 · score 52 · 14.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 76 out of 100, at 82 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 76 / 100 |
| Our confidence | 82% |
| Coordinates | 38.6150, -76.9488 |
| Nearest City | Waldorf (1 km) |
| Population Exposed | 3.3M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-06-22T22:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b5de6531cb6ea672635cb2ad5eb2e36f7100c328.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Charles, MD |
| Headline | Tornado Warning issued June 22 at 6:43PM EDT until June 22 at 6:45PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-22T18:52:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 2 WNW Burke |
| Iem County | Fairfax |
| Iem State | VA |
| Iem Wfo | LWX |
| Iem Remark | Numerous trees down in vicinity of Pond Spice Lane and Heron Pond Terrace. Siding and shingle damage as well. |
| MergedSources | [{"id":"iem_D_38.790_-77.300_1782162240000","source":"iem","severity":"low","severityValue":25,"timestamp":1782162240000,"latitude":38.79,"longitude":-77.3}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
Calamity.live data shows a weather event with CalamityScore 76/100, near Waldorf (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.