This alert expired on 23 June 2026 at 22:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 216 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 28 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 23 at 3:30PM EDT until June 23 at 6:30PM EDT by NWS Wakefield VA
An estimated 1,763,731 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 29, 2026 · score 76 · 1.6 km
- August 31, 2026 · score 46 · 1.6 km
- August 28, 2026 · score 46 · 4.4 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 88 % 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 | 88% |
| Coordinates | 36.9028, -76.2411 |
| Nearest City | Norfolk (7 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T19:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5dcec1c122f1e52f6e625586295a1e13c8503624.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | City of Chesapeake, VA; City of Norfolk, VA; City of Portsmouth, VA; City of Suffolk, VA; City of Virginia Beach, VA |
| Headline | Flash Flood Warning issued June 23 at 3:30PM EDT until June 23 at 6:30PM EDT by NWS Wakefield VA |
| Expires | 2026-06-23T18:30:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Oyster Point |
| Iem County | City of Newport New |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Local storm chaser reported estimated 1 in hail at Warwick Blvd and Oyster Point Road. Time estimated via radar. |
| MergedSources | [{"id":"iem_D_37.210_-76.480_1782237600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782237600000,"latitude":37.21,"longitude":-76.48},{"id":"iem_D_37.130_-76.440_1782238200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782238200000,"latitude":37.13,"longitude":-76.44},{"id":"iem_H_37.100_-76.490_1782238140000","source":"iem","severity":"low","severityValue":25,"timestamp":1782238140000,"latitude":37.1,"longitude":-76.49},{"id":"iem_M_37.160_-76.380_1782238560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782238560000,"latitude":37.16,"longitude":-76.38},{"id":"iem_M_37.030_-76.090_1782241620000","source":"iem","severity":"low","severityValue":25,"timestamp":1782241620000,"latitude":37.03,"longitude":-76.09},{"id":"iem_D_37.190_-76.480_1782238200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782238200000,"latitude":37.19,"longitude":-76.48},{"id":"iem_D_36.960_-76.560_1782237000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782237000000,"latitude":36.96,"longitude":-76.56},{"id":"iem_M_37.240_-76.020_1782240960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782240960000,"latitude":37.24,"longitude":-76.02},{"id":"iem_D_37.000_-76.800_1782236100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782236100000,"latitude":37,"longitude":-76.8},{"id":"iem_H_37.100_-76.510_1782238140000","source":"iem","severity":"low","severityValue":25,"timestamp":1782238140000,"latitude":37.1,"longitude":-76.51}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 Norfolk (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.