Right now
The most recent data we hold from NOAA arrived 7 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 August 2026 at 20:15 UTC. It is kept here as a record.
It is the 12th strongest of the 51 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 3:57PM EDT until August 7 at 4:15PM EDT by NWS Baltimore MD/Washington DC
Urban PEI: 312,573 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 6, 2026 · score 43 · 6.8 km
- June 11, 2026 · score 37 · 7.8 km
- July 15, 2026 · score 43 · 8.3 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 37 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) | 37 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 40.9486, -75.7089 |
| Nearest City | Hazleton (22 km) |
| Urban exposure index (PEI) | 312.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T19:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.bad22379332e56de62f5af649e2bc0b6 |
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: 2026-08-07T19:57:00.000Z.
First archived: 2026-08-07T19:59:02.084Z. 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 | Frederick, MD; Washington, MD; Loudoun, VA; Berks, PA; Lehigh, PA; Broome, NY; Susquehanna, PA and 4 more areas |
| Headline | Severe Thunderstorm Warning issued August 7 at 3:57PM EDT until August 7 at 4:15PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-08-07T16:15:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bad22379332e56de62f5af649e2bc0b6224ea0cf.001.1","noaa_urn:oid:2.49.0.1.840.0.b992ac1c142cee1b454473788de676cc1e25e47d.001.1","noaa_urn:oid:2.49.0.1.840.0.31b4efc2a2d7d97ad17a1c7947259a4d363c9a72.001.1","noaa_urn:oid:2.49.0.1.840.0.fff2a43b1cf2a723b73ea723f2e60472082a76e9.001.1","noaa_urn:oid:2.49.0.1.840.0.90b0053406d46f59e197948666e0bc64f26bdd09.001.1","noaa_urn:oid:2.49.0.1.840.0.f635c2d5fd39419a22adeb81baaa4c3b84f3716e.001.1","noaa_urn:oid:2.49.0.1.840.0.5d7a5287fabe61973fc3433490af1f3eae69b661.001.1"] |
| Iem TypeSummary | D |
| Iem City | 4 NW Dingmans Ferry |
| Iem County | Pike |
| Iem State | PA |
| Iem Wfo | BGM |
| Iem Remark | Multiple reports on the 911 Dispatch of trees and wires down in Delaware Township, PA. |
| MergedSources | [{"id":"iem_D_41.310_-75.080_1786129200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786129200000,"latitude":41.31,"longitude":-75.08},{"id":"iem_D_41.250_-74.920_1786130400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786130400000,"latitude":41.25,"longitude":-74.92},{"id":"iem_D_41.250_-74.940_1786129260000","source":"iem","severity":"low","severityValue":25,"timestamp":1786129260000,"latitude":41.25,"longitude":-74.94}] |
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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