Right now
The most recent data we hold from NOAA arrived 6 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 10 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 13 detections recorded within 20 km of this point since 10 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 9 at 9:22PM CDT until May 9 at 10:00PM CDT by NWS Norman OK
An estimated 35,004 people live within 50 km of this point.
Nearby, since 10 May 2026
- September 4, 2026 · score 32 · 9.5 km
- June 12, 2026 · score 32 · 10.9 km
- September 3, 2026 · score 28 · 12.7 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % 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) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 35.2605, -98.3153 |
| Nearest City | Chickasha (41 km) |
| Population Exposed | 35.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T02:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.682ef52d7cec156eb6bf0a6a019a7e62 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Caddo, OK; Comanche, OK; Grady, OK; Stephens, OK; Caddo, OK; Comanche, OK; Grady, OK; Kiowa, OK; Washita, OK and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 9 at 9:22PM CDT until May 9 at 10:00PM CDT by NWS Norman OK |
| Expires | 2026-05-09T22:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.682ef52d7cec156eb6bf0a6a019a7e629749a77b.001.1","noaa_urn:oid:2.49.0.1.840.0.f5aa1f165fdd1e3c94c5fcfb56d57e924c5e8612.001.1","noaa_urn:oid:2.49.0.1.840.0.4a0c3e1d13cb7b6c5e5f00b7dc4ec805464d8abd.001.1","noaa_urn:oid:2.49.0.1.840.0.8d1769cd646fba7134f4fe7c9d69a2a8a06022eb.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 2 |
| Iem Unit | Inch |
| Iem City | 1 SE Bessie |
| Iem County | Washita |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Report from mPING: Hen Egg (2.00 in.). |
| MergedSources | [{"id":"iem_G_35.480_-98.480_1778372400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372400000,"latitude":35.48,"longitude":-98.48},{"id":"iem_H_35.170_-98.920_1778373420000","source":"iem","severity":"low","severityValue":25,"timestamp":1778373420000,"latitude":35.17,"longitude":-98.92},{"id":"iem_H_35.100_-98.750_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.75},{"id":"iem_G_35.510_-98.780_1778371200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778371200000,"latitude":35.51,"longitude":-98.78},{"id":"iem_G_35.510_-98.780_1778375100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375100000,"latitude":35.51,"longitude":-98.78},{"id":"iem_H_35.390_-99.120_1778368860000","source":"iem","severity":"low","severityValue":25,"timestamp":1778368860000,"latitude":35.39,"longitude":-99.12},{"id":"iem_G_35.510_-98.780_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.51,"longitude":-98.78},{"id":"iem_H_35.300_-98.990_1778372220000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372220000,"latitude":35.3,"longitude":-98.99},{"id":"iem_H_35.290_-98.990_1778372100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372100000,"latitude":35.29,"longitude":-98.99},{"id":"iem_H_35.100_-98.760_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.76},{"id":"iem_H_35.370_-98.980_1778370180000","source":"iem","severity":"low","severityValue":25,"timestamp":1778370180000,"latitude":35.37,"longitude":-98.98}] |
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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