This alert expired on 14 June 2026 at 22:30 UTC. It is kept here as a record.
It is the 104th strongest of the 164 detections recorded within 20 km of this point since 13 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 6:00PM EDT until June 14 at 6:30PM EDT by NWS Baltimore MD/Washington DC
An estimated 85,416 people live within 50 km of this point.
Nearby, since 13 May 2026
- August 27, 2026 · score 49 · 14.1 km
- May 18, 2026 · score 43 · 17.0 km
- May 13, 2026 · score 43 · 20.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 39.5598, -78.0707 |
| Nearest City | Martinsburg (15 km) |
| Population Exposed | 85.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T22:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7273400b836bfda76d49ab9673c57f60 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Washington, MD; Berkeley, WV; Morgan, WV; Berkeley, WV; Morgan, WV |
| Headline | Severe Thunderstorm Warning issued June 14 at 6:00PM EDT until June 14 at 6:30PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-14T18:30:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7273400b836bfda76d49ab9673c57f603055c53f.001.1","noaa_urn:oid:2.49.0.1.840.0.87916d5f2f3c9525f707ee2f7b865551c1f0aeba.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.
Want to know when something happens near Martinsburg?
Calamity.live data shows a weather event with CalamityScore 39/100, near Martinsburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.