This alert expired on 23 June 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 44 recorded within 20 km of this point since 16 March 2026 — 19 others scored the same. The last comparable one was on 22 June 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 22 at 8:19PM EDT until June 22 at 8:30PM EDT by NWS Mount Holly NJ
Nearby, since 16 March 2026
- June 14, 2026 · score 22 · 6.1 km
- July 12, 2026 · score 22 · 14.1 km
- July 8, 2026 · score 22 · 14.5 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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 | 69% |
| Coordinates | 37.9678, -76.6342 |
| Nearest City | Saint Charles (75 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-23T00:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5aba564a0ebe28dcb688cfd4d95d2fe4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, DE; Sussex, DE; Caroline, MD; Talbot, MD; King and Queen, VA; Lancaster, VA; Middlesex, VA; Northumberland, VA; Richmond, VA and 6 more areas |
| Headline | Severe Thunderstorm Warning issued June 22 at 8:19PM EDT until June 22 at 8:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-22T20:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5aba564a0ebe28dcb688cfd4d95d2fe486f09a0c.001.1","noaa_urn:oid:2.49.0.1.840.0.f3eb6cd06460991f440fe907d26e8b88e0c10406.002.1","noaa_urn:oid:2.49.0.1.840.0.01ed611f87bb8ba7ba96968292bfa5fc43846196.002.1","noaa_urn:oid:2.49.0.1.840.0.44be5999e3e1211b19b5b6e9eef48d154d87f413.001.1","noaa_urn:oid:2.49.0.1.840.0.932df5d99667f3d193e61d6b028e958835911210.001.1","noaa_urn:oid:2.49.0.1.840.0.58b1701aa418115ac626d5933758ffc93c5a4d17.001.1","noaa_urn:oid:2.49.0.1.840.0.9eaac6308415af2005d66943026ffc3e183f46fc.001.1","noaa_urn:oid:2.49.0.1.840.0.009b44bdb64dc872468e43ce80b3f49801bb027b.002.1","noaa_urn:oid:2.49.0.1.840.0.6cee728201ba2fcf44ac0295d7813375bab15d07.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 NNW Dodlyt |
| Iem County | Northumberland |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Emergency manager reported branches/limbs/trees down along Coan Stage area of Heathsville. |
| MergedSources | [{"id":"iem_M_38.340_-76.990_1782167580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782167580000,"latitude":38.34,"longitude":-76.99},{"id":"iem_D_38.070_-77.330_1782168000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782168000000,"latitude":38.07,"longitude":-77.33},{"id":"iem_M_38.270_-76.850_1782168600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782168600000,"latitude":38.27,"longitude":-76.85},{"id":"iem_M_38.240_-76.830_1782168600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782168600000,"latitude":38.24,"longitude":-76.83},{"id":"iem_M_38.330_-77.020_1782167400000","source":"iem","severity":"low","severityValue":25,"timestamp":1782167400000,"latitude":38.33,"longitude":-77.02},{"id":"iem_D_37.790_-77.210_1782169500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782169500000,"latitude":37.79,"longitude":-77.21},{"id":"iem_M_38.230_-76.950_1782168480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782168480000,"latitude":38.23,"longitude":-76.95},{"id":"iem_D_37.940_-77.470_1782167400000","source":"iem","severity":"low","severityValue":25,"timestamp":1782167400000,"latitude":37.94,"longitude":-77.47},{"id":"iem_M_38.310_-76.930_1782167880000","source":"iem","severity":"low","severityValue":25,"timestamp":1782167880000,"latitude":38.31,"longitude":-76.93},{"id":"iem_D_37.920_-76.520_1782171660000","source":"iem","severity":"low","severityValue":25,"timestamp":1782171660000,"latitude":37.92,"longitude":-76.52}] |
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.