This alert expired on 14 June 2026 at 23:00 UTC. It is kept here as a record.
It is the 36th strongest of the 102 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 11 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 6:26PM EDT until June 14 at 7:00PM EDT by NWS Baltimore MD/Washington DC
An estimated 217,785 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 28, 2026 · score 43 · 6.7 km
- August 27, 2026 · score 43 · 6.7 km
- June 11, 2026 · score 37 · 9.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 39.5453, -77.7226 |
| Nearest City | Hagerstown (11 km) |
| Population Exposed | 217.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T22:26:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9c22807743cfffcc254e63fa2e6b95a7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Spotsylvania, VA; Stafford, VA; City of Fredericksburg, VA; Caroline, VA; Essex, VA; Westmoreland, VA; Buckingham, VA and 13 more areas |
| Headline | Severe Thunderstorm Warning issued June 14 at 6:26PM EDT until June 14 at 7:00PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-14T19:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 16 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9c22807743cfffcc254e63fa2e6b95a754e43158.001.1","noaa_urn:oid:2.49.0.1.840.0.bb55ad080c93e02deb0c78e99959d1a48d587c66.001.1","noaa_urn:oid:2.49.0.1.840.0.4ccdaa4b34c790f572b48bfe2625d6db5b79000f.002.1","noaa_urn:oid:2.49.0.1.840.0.bbee0eefdb96215047a18ee00f65fa2282cc3b02.001.1","noaa_urn:oid:2.49.0.1.840.0.9892cb8a9ec25cc3deea05ab5bca2283ac8055ed.001.1","noaa_urn:oid:2.49.0.1.840.0.052fdaac3ec7360c5077b8faecd5eea5a9f31a13.001.1","noaa_urn:oid:2.49.0.1.840.0.dd97be7cde4c1578ac30ad4f77a6ed1eedc7d788.001.1","noaa_urn:oid:2.49.0.1.840.0.27a46bb2f00d63ab214520f691a94491a86d6a2d.001.1","noaa_urn:oid:2.49.0.1.840.0.cfe01243310111f5712544f7837096055aa9d947.001.1","noaa_urn:oid:2.49.0.1.840.0.9c14cae309f8b87cc4600a6f0a218d82fc05c6ac.001.1","noaa_urn:oid:2.49.0.1.840.0.33acb7046e41ad57d143fa859b98fee1dade11fe.002.1","noaa_urn:oid:2.49.0.1.840.0.c8d1553a851b50fd3e695193a42d287a9d6c0e80.001.1","noaa_urn:oid:2.49.0.1.840.0.54bde6f40bc97e123f1342cf4b8e1037d51739ed.002.1","noaa_urn:oid:2.49.0.1.840.0.7e0f73f35befc859aefaa647556fdb6fb9fdcf3c.001.1","noaa_urn:oid:2.49.0.1.840.0.0d860a900f0b63a948c8ed304bbd47ea98bc0ce8.001.1","noaa_urn:oid:2.49.0.1.840.0.eb32663e6618233598d9284b8bcb2bfbb3858577.002.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Hagerstown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.