This alert expired on 3 July 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 16 April 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 4:33PM EDT until July 3 at 5:00PM EDT by NWS Binghamton NY
An estimated 102,288 people live within 50 km of this point.
Nearby, since 16 April 2026
- August 12, 2026 · score 39 · 16.4 km
- September 2, 2026 · score 37 · 17.0 km
- May 13, 2026 · score 39 · 17.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 82 % 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) | 43 / 100 |
| Our confidence | 82% |
| Coordinates | 41.9458, -76.4657 |
| Nearest City | Elmira (33 km) |
| Population Exposed | 102.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T20:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.beabf742edb6e2c5069e88b2b5584242 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Broome, NY; Susquehanna, PA; Broome, NY; Tioga, NY; Cayuga, NY; Cortland, NY; Tompkins, NY and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 4:33PM EDT until July 3 at 5:00PM EDT by NWS Binghamton NY |
| Expires | 2026-07-03T17:00:00-04:00 |
| SenderName | NWS Binghamton NY |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.beabf742edb6e2c5069e88b2b5584242fb0e4b14.001.1","noaa_urn:oid:2.49.0.1.840.0.7986b54efc32813806b917ea40f4ac71c69f6a2c.001.1","noaa_urn:oid:2.49.0.1.840.0.810a00a3e6cccc5aacf86b0e4ec6da742d2f56b0.001.1","noaa_urn:oid:2.49.0.1.840.0.8e757222df0eb274d3abb9327c72fadf82547249.001.1","noaa_urn:oid:2.49.0.1.840.0.44c3390d60b9827cfbe4eaf649af7abada158520.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 SW Covington |
| Iem County | Tioga |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Trees and wires down across North Williamson Road in Covington township. |
| MergedSources | [{"id":"iem_D_41.730_-77.080_1783108680000","source":"iem","severity":"low","severityValue":25,"timestamp":1783108680000,"latitude":41.73,"longitude":-77.08}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.