Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

GilmerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 83 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

2 other detections within 20 km in the last 24 hours, the nearest 24 km from here.

This alert expired on 27 May 2026 at 21:45 UTC. It is kept here as a record.

It is the 33rd strongest of the 118 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 27 at 4:47PM EDT until May 27 at 5:45PM EDT by NWS Pittsburgh PA

Nearby, since 17 March 2026

How we know

Confirmed by 10 independent sources, including NOAA.

Our own score for this event is 22 out of 100, at 69 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence69%
Coordinates38.9047, -80.6827
Nearest CityClarksburg (51 km)
Impact Tierminor
Timestamp2026-05-27T20:47:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.cd4d31fa461eb19768686e12007f2c4f

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescTucker, WV; Braxton, WV; Gilmer, WV; Lewis, WV; Upshur, WV; Webster, WV; Jackson, WV; Kanawha, WV; Mason, WV; Putnam, WV; Roane, WV
HeadlineSevere Thunderstorm Warning issued May 27 at 4:47PM EDT until May 27 at 5:45PM EDT by NWS Pittsburgh PA
Expires2026-05-27T17:45:00-04:00
SenderNameNWS Pittsburgh PA
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.cd4d31fa461eb19768686e12007f2c4fc66f5f5d.001.1","noaa_urn:oid:2.49.0.1.840.0.1acbb1769d8778d10d723e184a277e312bc5b1aa.001.1","noaa_urn:oid:2.49.0.1.840.0.a59d5235ea09fea24c6b99ff346e62da5af93591.001.1"]
Iem TypeSummaryD
Iem City1 ESE Jacksonburg
Iem CountyWetzel
Iem StateWV
Iem WfoPBZ
Iem RemarkTREE DOWN NEAR BATES RUN RD, BLOCKING BOTH LANES OF TRAFFIC, VERY HARD TO SEE DUE TO WEATHER CONDITIONS, THERE ARE BUSSES BEING BLOCKED BY THE TREE AS WELL (lat:39.526712,lon:-80.630586).
MergedSources[{"id":"iem_F_39.120_-80.040_1779895500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779895500000,"latitude":39.12,"longitude":-80.04},{"id":"iem_F_39.010_-79.990_1779909300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779909300000,"latitude":39.01,"longitude":-79.99},{"id":"iem_F_38.960_-80.810_1779895800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779895800000,"latitude":38.96,"longitude":-80.81},{"id":"iem_D_39.520_-80.610_1779910020000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910020000,"latitude":39.52,"longitude":-80.61},{"id":"iem_D_39.500_-80.560_1779910020000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910020000,"latitude":39.5,"longitude":-80.56},{"id":"iem_E_39.040_-80.700_1779910500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910500000,"latitude":39.04,"longitude":-80.7},{"id":"iem_E_39.010_-79.990_1779910200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910200000,"latitude":39.01,"longitude":-79.99},{"id":"iem_D_39.530_-80.640_1779909480000","source":"iem","severity":"low","severityValue":25,"timestamp":1779909480000,"latitude":39.53,"longitude":-80.64},{"id":"iem_D_39.530_-80.630_1779910140000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910140000,"latitude":39.53,"longitude":-80.63}]

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.

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