Right now
The most recent data we hold from NOAA arrived 47 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 9 May 2026 at 23:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 50 detections recorded within 20 km of this point since 15 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: Severe Thunderstorm Warning issued May 9 at 5:32PM CDT until May 9 at 6:15PM CDT by NWS Norman OK
Nearby, since 15 March 2026
- March 15, 2026 · score 28 · 20.1 km
- June 23, 2026 · score 22 · 21.4 km
How we know
Confirmed by 3 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 35.4821, -99.7696 |
| Nearest City | Altus (102 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-09T22:32:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3fa63cf877a1faa3b5b01c1c64b49ae0 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Beckham, OK; Washita, OK; Beckham, OK; Roger Mills, OK; Gray, TX; Hemphill, TX; Roberts, TX; Wheeler, TX |
| Headline | Severe Thunderstorm Warning issued May 9 at 5:32PM CDT until May 9 at 6:15PM CDT by NWS Norman OK |
| Expires | 2026-05-09T18:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3fa63cf877a1faa3b5b01c1c64b49ae0e6769271.001.1","noaa_urn:oid:2.49.0.1.840.0.00f689e58b69d310d3fb5d08e73f0ece0ead7b1b.001.1","noaa_urn:oid:2.49.0.1.840.0.594b082b987a73ce2b36f1ec5eb307319d7b56ca.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.75 |
| Iem Unit | Inch |
| Iem City | 5 SW Berlin |
| Iem County | Beckham |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Spotter Network. |
| MergedSources | [{"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_35.410_-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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