Right now
The most recent data we hold from NOAA arrived 11 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 3 August 2026 at 06:45 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 1 April 2026 — 15 others scored the same. The last comparable one was on 28 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 2 at 8:33PM EDT until August 3 at 2:45AM EDT by NWS Blacksburg VA
Urban PEI: 17,056 within a heuristic 50 km radius; not unique people.
Nearby, since 1 April 2026
- August 3, 2026 · score 34 · 3.6 km
- August 3, 2026 · score 34 · 7.8 km
- July 9, 2026 · score 22 · 21.3 km
How we know
8 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 37.3519, -81.1396 |
| Nearest City | Beckley (48 km) |
| Urban exposure index (PEI) | 17.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-03T00:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.87e1861990da98e63e2e4f54922a35d6 |
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: 2026-08-03T00:33:00.000Z.
First archived: 2026-08-03T00:49:57.278Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Ashe, NC; Watauga, NC; Wilkes, NC; Tazewell, VA; Mercer, WV; Summers, WV; Fayette, WV; McDowell, WV; Raleigh, WV; Wyoming, WV and 1 more areas |
| Headline | Flash Flood Warning issued August 2 at 8:33PM EDT until August 3 at 2:45AM EDT by NWS Blacksburg VA |
| Expires | 2026-08-03T02:45:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.87e1861990da98e63e2e4f54922a35d6fecc52ba.001.1","noaa_urn:oid:2.49.0.1.840.0.36ae44c64746ff7d7400c94d89efa11098c01d0a.001.1","noaa_urn:oid:2.49.0.1.840.0.d6b11c8b29eeb2bf5c968fb246f040eb90009032.001.1","noaa_urn:oid:2.49.0.1.840.0.dd10a38c53f0b1a6835680d23a31ad1cef8046fb.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 SW Rainelle |
| Iem County | Greenbrier |
| Iem State | WV |
| Iem Wfo | RNK |
| Iem Remark | Tree down off Sewell Creek Road. |
| MergedSources | [{"id":"iem_F_37.920_-80.900_1785717000000","source":"iem","severity":"low","severityValue":25,"timestamp":1785717000000,"latitude":37.92,"longitude":-80.9},{"id":"iem_D_37.940_-80.800_1785708120000","source":"iem","severity":"low","severityValue":25,"timestamp":1785708120000,"latitude":37.94,"longitude":-80.8},{"id":"iem_F_37.910_-80.870_1785716700000","source":"iem","severity":"low","severityValue":25,"timestamp":1785716700000,"latitude":37.91,"longitude":-80.87},{"id":"iem_F_37.740_-81.120_1785716880000","source":"iem","severity":"low","severityValue":25,"timestamp":1785716880000,"latitude":37.74,"longitude":-81.12},{"id":"iem_F_37.740_-81.110_1785716760000","source":"iem","severity":"low","severityValue":25,"timestamp":1785716760000,"latitude":37.74,"longitude":-81.11},{"id":"iem_D_37.900_-80.710_1785711600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785711600000,"latitude":37.9,"longitude":-80.71},{"id":"iem_D_37.940_-80.800_1785708300000","source":"iem","severity":"low","severityValue":25,"timestamp":1785708300000,"latitude":37.94,"longitude":-80.8}] |
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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