This alert expired on 7 July 2026 at 05:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 66 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 23 June 2026.
What the source measured
NOAA reported: Flash Flood Warning issued July 6 at 10:38PM EDT until July 7 at 1:45AM EDT by NWS Baltimore MD/Washington DC
Nearby, since 16 March 2026
- May 28, 2026 · score 22 · 19.2 km
- May 25, 2026 · score 34 · 19.9 km
How we know
Confirmed by 10 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 22 / 100 |
| Our confidence | 70% |
| Coordinates | 37.0916, -78.1307 |
| Nearest City | Midlothian (63 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-07T02:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.728acdfda19cc3f986f4567020d0ece2 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Montgomery, MD; Amelia, VA; Chesterfield, VA; Prince George, VA; City of Colonial Heights, VA; City of Hopewell, VA; Wake, NC and 1 more areas |
| Headline | Flash Flood Warning issued July 6 at 10:38PM EDT until July 7 at 1:45AM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-07-07T01:45:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.728acdfda19cc3f986f4567020d0ece24ecf774d.001.1","noaa_urn:oid:2.49.0.1.840.0.4cd1915dd3b41482da9a8d061a08e33a777ec8df.001.1","noaa_urn:oid:2.49.0.1.840.0.d3b6ec70141f0729b1096bcac369b68b9bd80804.001.1","noaa_urn:oid:2.49.0.1.840.0.ba72a3856ee176551c399bdc2e6b049daa03494e.001.1"] |
| Iem TypeSummary | F |
| Iem City | 3 N Winterpock |
| Iem County | Chesterfield |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | Flooding along Route 730. All lanes closed. |
| MergedSources | [{"id":"iem_F_37.340_-77.410_1783381920000","source":"iem","severity":"low","severityValue":25,"timestamp":1783381920000,"latitude":37.34,"longitude":-77.41},{"id":"iem_L_37.340_-77.350_1783377900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783377900000,"latitude":37.34,"longitude":-77.35},{"id":"iem_F_37.370_-77.500_1783379400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783379400000,"latitude":37.37,"longitude":-77.5},{"id":"iem_F_37.590_-77.820_1783383600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783383600000,"latitude":37.59,"longitude":-77.82},{"id":"iem_F_37.320_-77.460_1783386900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783386900000,"latitude":37.32,"longitude":-77.46},{"id":"iem_E_37.410_-77.650_1783381320000","source":"iem","severity":"low","severityValue":25,"timestamp":1783381320000,"latitude":37.41,"longitude":-77.65},{"id":"iem_D_37.450_-77.610_1783378500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783378500000,"latitude":37.45,"longitude":-77.61},{"id":"iem_D_36.660_-78.180_1783378500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783378500000,"latitude":36.66,"longitude":-78.18},{"id":"iem_F_37.380_-77.730_1783383000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783383000000,"latitude":37.38,"longitude":-77.73}] |
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 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.
Want to know when something happens in this area?
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 185 scientific monitoring sources.