Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 24 km from here.
This alert expired on 9 May 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 24 April 2026 — 3 others scored the same. The last comparable one was on 24 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 8 at 7:17PM CDT until May 8 at 8:00PM CDT by NWS Norman OK
An estimated 167,745 people live within 50 km of this point.
Nearby, since 24 April 2026
- May 9, 2026 · score 43 · 5.0 km
- July 31, 2026 · score 43 · 5.7 km
- September 7, 2026 · score 41 · 24.1 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 34.8600, -97.6849 |
| Nearest City | Chickasha (31 km) |
| Population Exposed | 167.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T00:17:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a4292c550b82341e6bade3d62046663e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cleveland, OK; Garvin, OK; McClain, OK; Pontotoc, OK; Pottawatomie, OK; Cleveland, OK; Pottawatomie, OK; Cleveland, OK; McClain, OK; Pottawatomie, OK and 3 more areas |
| Headline | Severe Thunderstorm Warning issued May 8 at 7:17PM CDT until May 8 at 8:00PM CDT by NWS Norman OK |
| Expires | 2026-05-08T20:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a4292c550b82341e6bade3d62046663e94bea0f4.001.1","noaa_urn:oid:2.49.0.1.840.0.3ed1be0eeabdc27e737498e3091d3cac0973c0c1.001.1","noaa_urn:oid:2.49.0.1.840.0.4eedaf8a4d4bcd74a4adda193695208d7b7f6b96.001.1","noaa_urn:oid:2.49.0.1.840.0.a4f3cf7c74986776df59b74b9552553062344f67.001.1","noaa_urn:oid:2.49.0.1.840.0.a48b731d3a33d9e6a6ccb1b05fdb7750ea66a8c1.001.1","noaa_urn:oid:2.49.0.1.840.0.3ffd5a61086067fbb36236cd4cefdc18c5309e04.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 5 NE Verden |
| Iem County | Grady |
| Iem State | OK |
| Iem Wfo | OUN |
| MergedSources | [{"id":"iem_H_35.080_-98.030_1778283840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283840000,"latitude":35.08,"longitude":-98.03},{"id":"iem_H_35.150_-98.030_1778283300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283300000,"latitude":35.15,"longitude":-98.03},{"id":"iem_H_35.150_-98.030_1778283000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283000000,"latitude":35.15,"longitude":-98.03}] |
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?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.