This alert expired on 13 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 73 detections recorded within 20 km of this point since 17 March 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 12 at 8:56PM EDT until June 12 at 9:15PM EDT by NWS Wakefield VA
Nearby, since 17 March 2026
- July 6, 2026 · score 22 · 7.7 km
- August 2, 2026 · score 22 · 12.3 km
- June 15, 2026 · score 22 · 21.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 38.0937, -76.3993 |
| Nearest City | St. Charles (73 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-13T00:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.665535c30127e52d689ca5bf8400366e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | City of Virginia Beach, VA; Calvert, MD; Anne Arundel, MD and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 12 at 8:56PM EDT until June 12 at 9:15PM EDT by NWS Wakefield VA |
| Expires | 2026-06-12T21:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.665535c30127e52d689ca5bf8400366e7d798f07.002.1","noaa_urn:oid:2.49.0.1.840.0.79ad19b1b4086736fa2feeb8822d7a0720a77b4b.002.1","noaa_urn:oid:2.49.0.1.840.0.62ca31688f84f5181e07b923828d5ce375a975e4.001.1","noaa_urn:oid:2.49.0.1.840.0.507bfb8108969d269cee3b2fef029bb9276c9f94.001.1","noaa_urn:oid:2.49.0.1.840.0.1b2cf9d7b40a594f5b1d458a5fa389f5166eb6ba.001.1","noaa_urn:oid:2.49.0.1.840.0.e5cf14d8d2b4cb9a27e5e464fd3641ba17cdc1ea.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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.