This alert expired on 7 July 2026 at 11:30 UTC. It is kept here as a record.
No stronger detection stands among the 33 recorded within 20 km of this point since 17 March 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued July 6 at 7:31PM EDT until July 7 at 7:30AM EDT by NWS Buffalo NY
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % 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) | 22 / 100 |
| Our confidence | 71% |
| Coordinates | 42.1800, -77.8628 |
| Nearest City | Elmira (87 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-06T23:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f2a7d0f40bee81129f0a14fe1e0a340491f02606.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Allegany, NY |
| Headline | Flood Warning issued July 6 at 7:31PM EDT until July 7 at 7:30AM EDT by NWS Buffalo NY |
| Expires | 2026-07-07T07:30:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | Arkport |
| Iem County | Steuben |
| Iem State | NY |
| Iem Wfo | BGM |
| Iem Remark | Roadway Flooding, several observations of 2 inches in the past hour. |
| MergedSources | [{"id":"iem_F_42.090_-77.900_1783373700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783373700000,"latitude":42.09,"longitude":-77.9},{"id":"iem_F_42.100_-77.820_1783373820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783373820000,"latitude":42.1,"longitude":-77.82},{"id":"iem_F_42.080_-77.910_1783372560000","source":"iem","severity":"low","severityValue":25,"timestamp":1783372560000,"latitude":42.08,"longitude":-77.91},{"id":"iem_F_42.320_-77.660_1783369980000","source":"iem","severity":"low","severityValue":25,"timestamp":1783369980000,"latitude":42.32,"longitude":-77.66},{"id":"iem_F_42.700_-78.050_1783375620000","source":"iem","severity":"low","severityValue":25,"timestamp":1783375620000,"latitude":42.7,"longitude":-78.05},{"id":"iem_F_42.390_-77.700_1783368900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783368900000,"latitude":42.39,"longitude":-77.7}] |
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.
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.