This alert expired on 7 July 2026 at 10:30 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 17 March 2026 — 5 others scored the same. 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: Flood Warning issued July 7 at 3:12AM EDT until July 7 at 6:30AM EDT by NWS Baltimore MD/Washington DC
An estimated 66,035 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 7, 2026 · score 39 · 7.6 km
- August 3, 2026 · score 34 · 19.3 km
How we know
Confirmed by 8 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 91 % 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) | 39 / 100 |
| Our confidence | 91% |
| Coordinates | 40.3221, -77.9158 |
| Nearest City | Altoona (46 km) |
| Population Exposed | 66.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-07T07:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.f4b71e5624bf693936b89e6de02e325e |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Prince William, VA; Loudoun, VA; Blair, PA; Cambria, PA; Huntingdon, PA and 3 more areas |
| Headline | Flood Warning issued July 7 at 3:12AM EDT until July 7 at 6:30AM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-07-07T06:30:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f4b71e5624bf693936b89e6de02e325ef41f4490.001.1","noaa_urn:oid:2.49.0.1.840.0.e7a09be7c2acea2944d089782f2d30f2cbe0f698.001.1","noaa_urn:oid:2.49.0.1.840.0.5c393a36f9e37d77086ab8b71bebffa38e1d23bb.001.1","noaa_urn:oid:2.49.0.1.840.0.9b0e85c606ee82fa143cb9bcbb9717d26df65fd6.001.1","noaa_urn:oid:2.49.0.1.840.0.f578b4340a8d0af40d57f8615b0999506312dedb.001.1","noaa_urn:oid:2.49.0.1.840.0.e5b2f35286d5b82c43fd72d146e1471001281f83.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 S Port Matilda |
| Iem County | Centre |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Beckwith Road compromised due to flash flooding. |
| MergedSources | [{"id":"iem_F_40.500_-78.410_1783398600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783398600000,"latitude":40.5,"longitude":-78.41},{"id":"iem_F_40.680_-78.240_1783394700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783394700000,"latitude":40.68,"longitude":-78.24},{"id":"iem_F_40.530_-78.370_1783400100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783400100000,"latitude":40.53,"longitude":-78.37},{"id":"iem_F_40.830_-78.020_1783394400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783394400000,"latitude":40.83,"longitude":-78.02},{"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_40.530_-78.360_1783394100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783394100000,"latitude":40.53,"longitude":-78.36},{"id":"iem_F_40.780_-78.050_1783395300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783395300000,"latitude":40.78,"longitude":-78.05}] |
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.
Calamity.live data shows a weather event with CalamityScore 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.