Right now
The most recent data we hold from NOAA arrived 34 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 18 June 2026 at 20:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 79 detections recorded within 20 km of this point since 1 April 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 18 at 2:33PM EDT until June 18 at 4:45PM EDT by NWS Albany NY
Urban PEI: 512,347 within a heuristic 50 km radius; not unique people.
Nearby, since 1 April 2026
- August 28, 2026 · score 43 · 16.2 km
- August 27, 2026 · score 43 · 16.2 km
- August 28, 2026 · score 37 · 19.1 km
How we know
10 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 | 0.88/1 |
| Coordinates | 43.0149, -73.9732 |
| Nearest City | Glenville (11 km) |
| Urban exposure index (PEI) | 512.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T18:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.df0e28a2a72a8d5de8f5c7384e518afa |
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: 2026-06-18T18:33:00.000Z.
First archived: 2026-06-18T18:47:53.749Z. 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 | Saratoga, NY; Montgomery, NY |
| Headline | Flash Flood Warning issued June 18 at 2:33PM EDT until June 18 at 4:45PM EDT by NWS Albany NY |
| Expires | 2026-06-18T16:45:00-04:00 |
| SenderName | NWS Albany NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.df0e28a2a72a8d5de8f5c7384e518afa8666b811.001.1","noaa_urn:oid:2.49.0.1.840.0.3705f8211d6b1591bc75dc12cc04294eacc51b20.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 NW Schenectady |
| Iem County | Schenectady |
| Iem State | NY |
| Iem Wfo | ALY |
| Iem Remark | Tree down on wires. |
| MergedSources | [{"id":"iem_D_42.870_-73.770_1781803860000","source":"iem","severity":"low","severityValue":25,"timestamp":1781803860000,"latitude":42.87,"longitude":-73.77},{"id":"iem_D_42.820_-74.730_1781802600000","source":"iem","severity":"low","severityValue":25,"timestamp":1781802600000,"latitude":42.82,"longitude":-74.73},{"id":"iem_D_42.950_-74.140_1781803140000","source":"iem","severity":"low","severityValue":25,"timestamp":1781803140000,"latitude":42.95,"longitude":-74.14},{"id":"iem_D_42.960_-74.110_1781805540000","source":"iem","severity":"low","severityValue":25,"timestamp":1781805540000,"latitude":42.96,"longitude":-74.11},{"id":"iem_D_42.800_-74.680_1781802600000","source":"iem","severity":"low","severityValue":25,"timestamp":1781802600000,"latitude":42.8,"longitude":-74.68},{"id":"iem_G_42.840_-73.780_1781806500000","source":"iem","severity":"low","severityValue":25,"timestamp":1781806500000,"latitude":42.84,"longitude":-73.78},{"id":"iem_D_42.590_-74.670_1781804640000","source":"iem","severity":"low","severityValue":25,"timestamp":1781804640000,"latitude":42.59,"longitude":-74.67},{"id":"iem_D_42.890_-74.570_1781803860000","source":"iem","severity":"low","severityValue":25,"timestamp":1781803860000,"latitude":42.89,"longitude":-74.57},{"id":"iem_D_42.810_-73.950_1781805840000","source":"iem","severity":"low","severityValue":25,"timestamp":1781805840000,"latitude":42.81,"longitude":-73.95}] |
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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