Right now
The most recent data we hold from NOAA arrived 5 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 3 July 2026 at 21:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 58 detections recorded within 20 km of this point since 3 July 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 5:08PM EDT until July 3 at 5:45PM EDT by NWS State College PA
Urban PEI: 74,075 within a heuristic 50 km radius; not unique people.
Nearby, since 3 July 2026
- September 2, 2026 · score 37 · 5.1 km
- July 3, 2026 · score 39 · 9.6 km
- August 10, 2026 · score 43 · 13.5 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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) | 39 / 100 |
| Legacy data-support index | 0.87/1 |
| Coordinates | 41.8695, -76.2200 |
| Nearest City | Vestal (28 km) |
| Urban exposure index (PEI) | 74.1K within 50 km |
| Impact Tier | significant |
| Date | 2026-07-03 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3a1685dd9db793cd62d23619754a0456 |
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: 2026-07-03 — time not reported.
First archived: 2026-07-03T21:09:23.221Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sullivan, PA; Morris, NJ; Broome, NY; Tioga, NY; Bradford, PA; Susquehanna, PA and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 5:08PM EDT until July 3 at 5:45PM EDT by NWS State College PA |
| Expires | 2026-07-03T17:45:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3a1685dd9db793cd62d23619754a0456de12ea0f.002.1","noaa_urn:oid:2.49.0.1.840.0.a04200ac64a275cad0040b80490837fb4eaa9781.002.1","noaa_urn:oid:2.49.0.1.840.0.5d7399fd71f94a33b49b0be73c0927278ebf7065.001.1","noaa_urn:oid:2.49.0.1.840.0.78444d0882413b098b5be52037240d10377630be.001.1","noaa_urn:oid:2.49.0.1.840.0.1fd25f38a3bbc345011962304f54c611ed514ab5.001.1","noaa_urn:oid:2.49.0.1.840.0.91aed3542e2fed5b7760522e4ecca821fe088e61.001.1","noaa_urn:oid:2.49.0.1.840.0.ee782f0655c3d3ed91d795fc1676562333ecdb5b.001.1","noaa_urn:oid:2.49.0.1.840.0.f5bd65a6be778e3ed74c3045cf39fb58d5c22b1d.001.1","noaa_urn:oid:2.49.0.1.840.0.34c1d239ca752aaf163cfce0662561d36689e3be.001.1","noaa_urn:oid:2.49.0.1.840.0.b3c923ef90cdd51491bf28b8cf561b99546881a4.001.1"] |
| Iem TypeSummary | D |
| Iem City | Great Bend |
| Iem County | Susquehanna |
| Iem State | PA |
| Iem Wfo | BGM |
| Iem Remark | Multiple trees down in Halstead-Great Bend area. |
| MergedSources | [{"id":"iem_D_42.100_-76.040_1783110000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783110000000,"latitude":42.1,"longitude":-76.04},{"id":"iem_D_41.970_-75.750_1783110600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783110600000,"latitude":41.97,"longitude":-75.75}] |
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 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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