Right now
The most recent data we hold from NOAA arrived 1 minute 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 7 August 2026 at 00:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 85 detections recorded within 20 km of this point since 1 April 2026. The last comparable one was on 30 July 2026. 30 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 6 at 5:17PM EDT until August 6 at 8:15PM EDT by NWS Albany NY
Urban PEI: 448,167 within a heuristic 50 km radius; not unique people.
Nearby, since 1 April 2026
- August 8, 2026 · score 43 · 4.9 km
- July 3, 2026 · score 43 · 11.5 km
- July 1, 2026 · score 43 · 14.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 42.4927, -73.7236 |
| Nearest City | Albany (18 km) |
| Urban exposure index (PEI) | 448.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T21:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.813780f8ffcb7e1914d52433eb755631cc80862f.001.1 |
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: 2026-08-06T21:17:00.000Z.
First archived: 2026-08-06T22:05:15.333Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Columbia, NY; Rensselaer, NY |
| Headline | Flash Flood Warning issued August 6 at 5:17PM EDT until August 6 at 8:15PM EDT by NWS Albany NY |
| Expires | 2026-08-06T20:15:00-04:00 |
| SenderName | NWS Albany NY |
| HasExactCoords | true |
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.
Review the area, threshold and delivery channel in your account.
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