This alert expired on 15 June 2026 at 01:49 UTC. It is kept here as a record.
It is the 4th strongest of the 192 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 10 June 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 14 at 9:40PM EDT until June 14 at 9:45PM EDT by NWS Baltimore MD/Washington DC
An estimated 1,300,837 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 17, 2026 · score 52 · 2.0 km
- August 6, 2026 · score 52 · 3.2 km
- July 28, 2026 · score 76 · 4.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 39.3547, -76.0824 |
| Nearest City | Aberdeen (19 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T01:40:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Baltimore, MD; Carroll, MD; Harford, MD; Baltimore City, MD; Chester, PA; Baltimore, MD; Cecil, MD; Harford, MD and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 14 at 9:40PM EDT until June 14 at 9:45PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-14T21:49:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d08c6697ede1957f56e35b06ef164f5fa932e2a4.001.1","noaa_urn:oid:2.49.0.1.840.0.c6f52252ac52e35dc3192be96dca9b342697d13e.001.1","noaa_urn:oid:2.49.0.1.840.0.cd79cf3d0f3a60fd58792163cf531592cdc0f9d8.001.1","noaa_urn:oid:2.49.0.1.840.0.36b9bf52d62ff0dee21fe4800bdca88db78c18b5.002.1","noaa_urn:oid:2.49.0.1.840.0.14012779f6a4fd83d6d67b66ae176598cd08966f.002.1","noaa_urn:oid:2.49.0.1.840.0.65d426ecc7b60da00956ce5c76db7a597e771d12.001.1"] |
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 52/100, near Aberdeen (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.