Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

Roger MillsUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 1 minute 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 9 May 2026 at 23:45 UTC. It is kept here as a record.

It is the 2nd strongest of the 54 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 9 at 5:57PM CDT until May 9 at 6:45PM CDT by NWS Norman OK

Nearby, since 15 March 2026

How we know

Confirmed by 6 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%
Coordinates35.4635, -99.7601
Nearest CityAltus (100 km)
Impact Tierminor
Timestamp2026-05-09T22:57:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.38d795e5427192538728c47ca3535871

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBeckham, OK; Custer, OK; Roger Mills, OK; Washita, OK; Hemphill, TX; Wheeler, TX; Beckham, OK; Roger Mills, OK and 1 more areas
HeadlineSevere Thunderstorm Warning issued May 9 at 5:57PM CDT until May 9 at 6:45PM CDT by NWS Norman OK
Expires2026-05-09T18:45:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
MergedCount5
MergedIds["noaa_urn:oid:2.49.0.1.840.0.38d795e5427192538728c47ca35358716a209fb6.001.1","noaa_urn:oid:2.49.0.1.840.0.9d7effcfedf5778bd34983eb374da3c7344f131c.001.1","noaa_urn:oid:2.49.0.1.840.0.a97553adc3a19c8e181531444773d09f10b2dd56.001.1","noaa_urn:oid:2.49.0.1.840.0.fa9b9a24e936c73b84b9bec5553710b72be673f6.001.1","noaa_urn:oid:2.49.0.1.840.0.c93ef011e855416533c447f429af1a43d1990b13.001.1"]
Iem TypeSummaryH
Iem Magnitude0.75
Iem UnitInch
Iem City5 SW Berlin
Iem CountyBeckham
Iem StateOK
Iem WfoOUN
Iem RemarkSpotter Network.
MergedSources[{"id":"iem_H_35.380_-99.520_1778365800000","source":"iem","severity":"low","severityValue":25,"timestamp":1778365800000,"latitude":35.38,"longitude":-99.52},{"id":"iem_H_35.410_-99.680_1778364900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778364900000,"latitude":35.41,"longitude":-99.68},{"id":"iem_H_35.390_-99.510_1778365920000","source":"iem","severity":"low","severityValue":25,"timestamp":1778365920000,"latitude":35.39,"longitude":-99.51},{"id":"iem_H_35.390_-99.510_1778366040000","source":"iem","severity":"low","severityValue":25,"timestamp":1778366040000,"latitude":35.39,"longitude":-99.51},{"id":"iem_H_35.410_-99.700_1778364600000","source":"iem","severity":"low","severityValue":25,"timestamp":1778364600000,"latitude":35.41,"longitude":-99.7}]

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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