Right now
The most recent data we hold from NOAA arrived 10 minutes ago, and this point is in it.
3 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert is in force until 10 September 2026, 11:45 UTC.
It is the 11th strongest of the 37 detections recorded within 20 km of this point since 16 March 2026. 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: Flash Flood Warning issued September 10 at 4:49AM EDT until September 10 at 7:45AM EDT by NWS Charleston WV
An estimated 42,136 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 19, 2026 · score 34 · 13.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 87 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 87% |
| Coordinates | 38.9620, -82.8074 |
| Nearest City | Portsmouth (31 km) |
| Population Exposed | 42.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T08:49:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d8d7e588a7c8cbab1093ca30c683f3e240ab96e7.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Gallia, OH; Jackson, OH; Lawrence, OH; Gallia, OH; Jackson, OH; Meigs, OH; Vinton, OH; Adams, OH; Pike, OH; Scioto, OH and 2 more areas |
| Headline | Flash Flood Warning issued September 10 at 4:49AM EDT until September 10 at 7:45AM EDT by NWS Charleston WV |
| Expires | 2026-09-10T07:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d8d7e588a7c8cbab1093ca30c683f3e240ab96e7.001.1","noaa_urn:oid:2.49.0.1.840.0.57afec377a495e762f83dfee2e01a3271a27582c.001.1","noaa_urn:oid:2.49.0.1.840.0.155414184bcd7f8b7121abcc3bec4b3e8fd6ce20.001.1","noaa_urn:oid:2.49.0.1.840.0.b280a64c9fc072be22801f5a1d758a0c677d7585.001.1","noaa_urn:oid:2.49.0.1.840.0.0a412663dc1c89c9bd2911270ba5b4ad04fd9944.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 WSW Jackson |
| Iem County | Jackson |
| Iem State | OH |
| Iem Wfo | RLX |
| Iem Remark | Numerous roads in and around Jackson observing high water, including State Route 193 and Dixie Street. |
| MergedSources | [{"id":"iem_F_38.840_-82.140_1789031100000","source":"iem","severity":"low","severityValue":25,"timestamp":1789031100000,"latitude":38.84,"longitude":-82.14},{"id":"iem_F_39.030_-82.620_1789025400000","source":"iem","severity":"low","severityValue":25,"timestamp":1789025400000,"latitude":39.03,"longitude":-82.62},{"id":"iem_F_38.850_-82.100_1789027680000","source":"iem","severity":"low","severityValue":25,"timestamp":1789027680000,"latitude":38.85,"longitude":-82.1},{"id":"iem_F_39.090_-83.190_1789022820000","source":"iem","severity":"low","severityValue":25,"timestamp":1789022820000,"latitude":39.09,"longitude":-83.19},{"id":"iem_F_39.110_-83.110_1789022820000","source":"iem","severity":"low","severityValue":25,"timestamp":1789022820000,"latitude":39.11,"longitude":-83.11},{"id":"iem_F_39.040_-82.650_1789027200000","source":"iem","severity":"low","severityValue":25,"timestamp":1789027200000,"latitude":39.04,"longitude":-82.65}] |
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.
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