This alert expired on 6 July 2026 at 06:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 118 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 22 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued July 5 at 11:19PM EDT until July 6 at 2:15AM EDT by NWS State College PA
An estimated 198,191 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 4, 2026 · score 43 · 1.9 km
- March 17, 2026 · score 43 · 5.0 km
- March 16, 2026 · score 43 · 5.0 km
How we know
Confirmed by 21 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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 | 90% |
| Coordinates | 40.2195, -76.7624 |
| Nearest City | Harrisburg (11 km) |
| Population Exposed | 198.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T03:19:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Dauphin, PA; York, PA |
| Headline | Flood Warning issued July 5 at 11:19PM EDT until July 6 at 2:15AM EDT by NWS State College PA |
| Expires | 2026-07-06T02:15:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 NNE Highspire |
| Iem County | Dauphin |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Trees down on Route 283. |
| MergedSources | [{"id":"iem_F_40.290_-76.670_1783298820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783298820000,"latitude":40.29,"longitude":-76.67},{"id":"iem_F_40.150_-76.310_1783302660000","source":"iem","severity":"low","severityValue":25,"timestamp":1783302660000,"latitude":40.15,"longitude":-76.31},{"id":"iem_F_39.870_-76.670_1783302300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783302300000,"latitude":39.87,"longitude":-76.67},{"id":"iem_D_40.600_-77.410_1783287660000","source":"iem","severity":"low","severityValue":25,"timestamp":1783287660000,"latitude":40.6,"longitude":-77.41},{"id":"iem_D_40.190_-77.200_1783293300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783293300000,"latitude":40.19,"longitude":-77.2},{"id":"iem_D_40.070_-76.610_1783297500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783297500000,"latitude":40.07,"longitude":-76.61},{"id":"iem_F_40.270_-76.710_1783298400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783298400000,"latitude":40.27,"longitude":-76.71},{"id":"iem_D_39.620_-76.630_1783300740000","source":"iem","severity":"low","severityValue":25,"timestamp":1783300740000,"latitude":39.62,"longitude":-76.63},{"id":"iem_D_40.580_-77.420_1783288200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783288200000,"latitude":40.58,"longitude":-77.42},{"id":"iem_F_40.080_-76.310_1783300200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783300200000,"latitude":40.08,"longitude":-76.31},{"id":"iem_F_40.030_-76.320_1783301100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783301100000,"latitude":40.03,"longitude":-76.32},{"id":"iem_F_40.540_-77.360_1783292820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783292820000,"latitude":40.54,"longitude":-77.36},{"id":"iem_D_40.370_-76.970_1783293300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783293300000,"latitude":40.37,"longitude":-76.97},{"id":"iem_D_40.350_-77.290_1783290240000","source":"iem","severity":"low","severityValue":25,"timestamp":1783290240000,"latitude":40.35,"longitude":-77.29},{"id":"iem_F_39.970_-76.710_1783299120000","source":"iem","severity":"low","severityValue":25,"timestamp":1783299120000,"latitude":39.97,"longitude":-76.71},{"id":"iem_H_39.620_-76.860_1783294080000","source":"iem","severity":"low","severityValue":25,"timestamp":1783294080000,"latitude":39.62,"longitude":-76.86},{"id":"iem_F_40.170_-76.190_1783302180000","source":"iem","severity":"low","severityValue":25,"timestamp":1783302180000,"latitude":40.17,"longitude":-76.19},{"id":"iem_F_40.270_-76.710_1783298340000","source":"iem","severity":"low","severityValue":25,"timestamp":1783298340000,"latitude":40.27,"longitude":-76.71},{"id":"iem_D_40.150_-76.190_1783299420000","source":"iem","severity":"low","severityValue":25,"timestamp":1783299420000,"latitude":40.15,"longitude":-76.19},{"id":"iem_D_40.220_-76.770_1783296300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783296300000,"latitude":40.22,"longitude":-76.77}] |
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 43/100, near Harrisburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.