Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

RoaneUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

14 other detections within 20 km in the last 24 hours, the nearest 16 km from here.

This alert expired on 27 May 2026 at 21:00 UTC. It is kept here as a record.

No stronger detection stands among the 103 recorded within 20 km of this point since 16 March 2026 — 12 others scored the same. 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: Severe Thunderstorm Warning issued May 27 at 4:30PM EDT until May 27 at 5:00PM EDT by NWS Charleston WV

An estimated 30,991 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 5 independent sources, including NOAA.

Our own score for this event is 34 out of 100, at 89 % 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)34 / 100
Our confidence89%
Coordinates38.8588, -81.3292
Nearest CityParkersburg (50 km)
Population Exposed31.0K within 50 km
Impact Tiersignificant
Timestamp2026-05-27T20:30:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a59d5235ea09fea24c6b99ff346e62da

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescJackson, WV; Kanawha, WV; Mason, WV; Putnam, WV; Roane, WV; Braxton, WV; Doddridge, WV; Gilmer, WV; Lewis, WV
HeadlineSevere Thunderstorm Warning issued May 27 at 4:30PM EDT until May 27 at 5:00PM EDT by NWS Charleston WV
Expires2026-05-27T17:00:00-04:00
SenderNameNWS Charleston WV
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.a59d5235ea09fea24c6b99ff346e62da5af93591.001.1","noaa_urn:oid:2.49.0.1.840.0.492333e329639a717a0da53e024242a89c16e92e.002.1"]
Iem TypeSummaryF
Iem City7 NW Glenville
Iem CountyGilmer
Iem StateWV
Iem WfoRLX
Iem RemarkFlooding observed at the intersection of Newberne Road and Jessie Run Road.
MergedSources[{"id":"iem_F_38.960_-80.810_1779895800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779895800000,"latitude":38.96,"longitude":-80.81},{"id":"iem_F_39.030_-80.780_1779892440000","source":"iem","severity":"low","severityValue":25,"timestamp":1779892440000,"latitude":39.03,"longitude":-80.78},{"id":"iem_E_39.040_-80.700_1779910500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779910500000,"latitude":39.04,"longitude":-80.7},{"id":"iem_F_39.010_-80.930_1779892500000","source":"iem","severity":"low","severityValue":25,"timestamp":1779892500000,"latitude":39.01,"longitude":-80.93}]

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 in this area?

Share:XLinkedIn