This alert expired on 16 March 2026 at 21:00 UTC. It is kept here as a record.
It is the 5th strongest of the 37 detections recorded within 20 km of this point since 16 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 March 16 at 4:39PM EDT until March 16 at 5:00PM EDT by NWS Wakefield VA
Nearby, since 16 March 2026
- June 15, 2026 · score 22 · 2.5 km
- July 23, 2026 · score 34 · 8.6 km
- May 27, 2026 · score 34 · 11.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 63 % 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 | 63% |
| Coordinates | 37.6620, -76.3160 |
| Nearest City | Williamsburg (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T20:39:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9d1ada67c26921248a88406acfbaea0ff4aa4859.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lancaster, VA; Mathews, VA; Middlesex, VA |
| Headline | Severe Thunderstorm Warning issued March 16 at 4:39PM EDT until March 16 at 5:00PM EDT by NWS Wakefield VA |
| Expires | 2026-03-16T17:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 1 WSW Cape Charles |
| Iem County | ANZ632 |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | 36 kt gust at Mesonet station XPLT Plantation Flats. |
| MergedSources | [{"id":"iem_M_37.260_-76.030_1773685020000","source":"iem","severity":"low","severityValue":25,"timestamp":1773685020000,"latitude":37.26,"longitude":-76.03}] |
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.