Right now
The most recent data we hold from NOAA arrived 4 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 7 July 2026 at 06:30 UTC. It is kept here as a record.
It is the 14th strongest of the 207 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 5 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 7 at 12:28AM EDT until July 7 at 2:30AM EDT by NWS Pittsburgh PA
Urban PEI: 19,966 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 7, 2026 · score 34 · 0.0 km
- July 18, 2026 · score 58 · 10.8 km
- July 27, 2026 · score 39 · 12.8 km
How we know
9 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.92/1 |
| Coordinates | 40.3114, -79.0245 |
| Nearest City | Johnstown (9 km) |
| Urban exposure index (PEI) | 20.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-07T04:28:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.3361f3195ea84534af094a22315a032e |
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: 2026-07-07T04:28:00.000Z.
First archived: 2026-07-07T05:02:03.635Z. 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 | Fayette, PA; Westmoreland, PA; Blair, PA; Cambria, PA; Huntingdon, PA |
| Headline | Flash Flood Warning issued July 7 at 12:28AM EDT until July 7 at 2:30AM EDT by NWS Pittsburgh PA |
| Expires | 2026-07-07T02:30:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3361f3195ea84534af094a22315a032e0e38663d.001.1","noaa_urn:oid:2.49.0.1.840.0.a6e6db1106f98ba3956435f69e3249d45dcd1059.001.1"] |
| Iem TypeSummary | F |
| Iem City | Scottdale |
| Iem County | Westmoreland |
| Iem State | PA |
| Iem Wfo | PBZ |
| Iem Remark | Porter Avenue, North Chestnut, and Broadway Steet flooded in Scottdale. |
| MergedSources | [{"id":"iem_F_40.070_-79.670_1783397700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783397700000,"latitude":40.07,"longitude":-79.67},{"id":"iem_F_40.080_-79.750_1783396500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783396500000,"latitude":40.08,"longitude":-79.75},{"id":"iem_F_40.460_-78.210_1783397100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783397100000,"latitude":40.46,"longitude":-78.21},{"id":"iem_F_40.070_-79.600_1783398840000","source":"iem","severity":"low","severityValue":25,"timestamp":1783398840000,"latitude":40.07,"longitude":-79.6},{"id":"iem_F_40.070_-79.670_1783397100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783397100000,"latitude":40.07,"longitude":-79.67},{"id":"iem_F_40.840_-79.000_1783387500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783387500000,"latitude":40.84,"longitude":-79},{"id":"iem_F_40.530_-78.360_1783394100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783394100000,"latitude":40.53,"longitude":-78.36},{"id":"iem_F_40.100_-79.590_1783398360000","source":"iem","severity":"low","severityValue":25,"timestamp":1783398360000,"latitude":40.1,"longitude":-79.59}] |
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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