This alert expired on 17 March 2026 at 04:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 41 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Snow Squall Warning issued March 17 at 12:13AM EDT until March 17 at 12:45AM EDT by NWS Charleston WV
An estimated 30,991 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 26, 2026 · score 34 · 12.8 km
- June 27, 2026 · score 34 · 21.0 km
- July 12, 2026 · score 34 · 25.4 km
How we know
Confirmed by 18 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 88% |
| Coordinates | 39.0683, -81.3733 |
| Nearest City | Parkersburg (28 km) |
| Population Exposed | 31.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T04:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8d7597ca0a9661f1150b5e47129fbe92361257d7.001.1 |
Score Breakdown
Technical Details
| Event | Snow Squall Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Athens, OH; Gallia, OH; Meigs, OH; Washington, OH; Calhoun, WV; Jackson, WV; Mason, WV; Ritchie, WV; Roane, WV; Wirt, WV; Wood, WV |
| Headline | Snow Squall Warning issued March 17 at 12:13AM EDT until March 17 at 12:45AM EDT by NWS Charleston WV |
| Expires | 2026-03-17T00:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| Iem TypeSummary | S |
| Iem Magnitude | 5 |
| Iem Unit | Inch |
| Iem City | Glenville |
| Iem County | Gilmer |
| Iem State | WV |
| Iem Wfo | RLX |
| MergedSources | [{"id":"iem_S_38.870_-82.030_1773701880000","source":"iem","severity":"low","severityValue":25,"timestamp":1773701880000,"latitude":38.87,"longitude":-82.03},{"id":"iem_S_39.220_-81.430_1773699180000","source":"iem","severity":"low","severityValue":25,"timestamp":1773699180000,"latitude":39.22,"longitude":-81.43},{"id":"iem_S_38.530_-81.120_1773711960000","source":"iem","severity":"low","severityValue":25,"timestamp":1773711960000,"latitude":38.53,"longitude":-81.12},{"id":"iem_S_38.720_-81.310_1773703800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773703800000,"latitude":38.72,"longitude":-81.31},{"id":"iem_S_38.850_-82.130_1773701640000","source":"iem","severity":"low","severityValue":25,"timestamp":1773701640000,"latitude":38.85,"longitude":-82.13},{"id":"iem_S_39.210_-81.470_1773703800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773703800000,"latitude":39.21,"longitude":-81.47},{"id":"iem_S_38.910_-81.890_1773701460000","source":"iem","severity":"low","severityValue":25,"timestamp":1773701460000,"latitude":38.91,"longitude":-81.89},{"id":"iem_S_39.330_-81.550_1773699600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773699600000,"latitude":39.33,"longitude":-81.55},{"id":"iem_S_39.560_-80.990_1773702600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773702600000,"latitude":39.56,"longitude":-80.99},{"id":"iem_S_38.820_-81.710_1773705600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773705600000,"latitude":38.82,"longitude":-81.71},{"id":"iem_S_39.260_-81.540_1773700500000","source":"iem","severity":"low","severityValue":25,"timestamp":1773700500000,"latitude":39.26,"longitude":-81.54},{"id":"iem_S_39.340_-82.090_1773705480000","source":"iem","severity":"low","severityValue":25,"timestamp":1773705480000,"latitude":39.34,"longitude":-82.09},{"id":"iem_S_39.240_-81.570_1773700440000","source":"iem","severity":"low","severityValue":25,"timestamp":1773700440000,"latitude":39.24,"longitude":-81.57},{"id":"iem_S_39.280_-81.530_1773703800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773703800000,"latitude":39.28,"longitude":-81.53},{"id":"iem_S_38.760_-81.690_1773699600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773699600000,"latitude":38.76,"longitude":-81.69},{"id":"iem_S_38.640_-80.860_1773704220000","source":"iem","severity":"low","severityValue":25,"timestamp":1773704220000,"latitude":38.64,"longitude":-80.86},{"id":"iem_S_38.930_-80.840_1773715320000","source":"iem","severity":"low","severityValue":25,"timestamp":1773715320000,"latitude":38.93,"longitude":-80.84}] |
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.
Want to know when something happens near Parkersburg?
Calamity.live data shows a weather event with CalamityScore 34/100, near Parkersburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.