Right now
The most recent data we hold from NOAA arrived 89 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 23 June 2026 at 18:00 UTC. It is kept here as a record.
It is the 9th strongest of the 30 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 1:31PM EDT until June 23 at 2:00PM EDT by NWS Wakefield VA
Urban PEI: 508,818 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 4, 2026 · score 48 · 2.2 km
- July 28, 2026 · score 72 · 7.3 km
- July 7, 2026 · score 41 · 9.8 km
How we know
7 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 48 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 48 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 37.2172, -76.7918 |
| Nearest City | Williamsburg (9 km) |
| Urban exposure index (PEI) | 508.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T17:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d250531612abf561ec64193749b401a9 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-23T17:31:00.000Z.
First archived: 2026-06-23T18:00:07.779Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Isle of Wight, VA; Southampton, VA; Surry, VA; Charles City, VA; James City, VA; King and Queen, VA; New Kent, VA; Prince George, VA; York, VA; City of Williamsburg, VA |
| Headline | Severe Thunderstorm Warning issued June 23 at 1:31PM EDT until June 23 at 2:00PM EDT by NWS Wakefield VA |
| Expires | 2026-06-23T14:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d250531612abf561ec64193749b401a9eb4b93e0.002.1","noaa_urn:oid:2.49.0.1.840.0.5d76f291629196fc55a9dee7a998a1d9d5adb972.001.1"] |
| Iem TypeSummary | D |
| Iem City | Birchett Estate |
| Iem County | Prince George |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Two trees down at intersection of Middle Road and Prince George Drive. |
| MergedSources | [{"id":"iem_H_37.250_-77.310_1782233640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233640000,"latitude":37.25,"longitude":-77.31},{"id":"iem_D_37.260_-77.280_1782233700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233700000,"latitude":37.26,"longitude":-77.28},{"id":"iem_D_37.250_-77.260_1782233700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233700000,"latitude":37.25,"longitude":-77.26},{"id":"iem_H_37.270_-77.270_1782233160000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233160000,"latitude":37.27,"longitude":-77.27},{"id":"iem_H_37.270_-77.320_1782233820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233820000,"latitude":37.27,"longitude":-77.32},{"id":"iem_D_37.260_-77.280_1782233520000","source":"iem","severity":"low","severityValue":25,"timestamp":1782233520000,"latitude":37.26,"longitude":-77.28}] |
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 8 March 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.
Review the area, threshold and delivery channel in your account.
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