This alert expired on 23 June 2026 at 20:00 UTC. It is kept here as a record.
No stronger detection stands among the 14 recorded within 20 km of this point since 24 April 2026 — one other scored the same. The last comparable one was on 9 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 2:18PM CDT until June 23 at 3:00PM CDT by NWS Norman OK
An estimated 145,329 people live within 50 km of this point.
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 84% |
| Coordinates | 34.8871, -97.1413 |
| Nearest City | Ada (44 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T19:18:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.262de65486e92aacc2777ad4f4bc5978 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Garvin, OK; Murray, OK; Cleveland, OK; Grady, OK; Lincoln, OK; McClain, OK; Oklahoma, OK; Pottawatomie, OK |
| Headline | Severe Thunderstorm Warning issued June 23 at 2:18PM CDT until June 23 at 3:00PM CDT by NWS Norman OK |
| Expires | 2026-06-23T15:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.262de65486e92aacc2777ad4f4bc5978a731fc9b.001.1","noaa_urn:oid:2.49.0.1.840.0.5644262607b08edb765caf808ede220c15a80767.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 3 SSE Norman |
| Iem County | Cleveland |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | At NATIONAL WEATHER CENTER. |
| MergedSources | [{"id":"iem_G_35.180_-97.420_1782241800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782241800000,"latitude":35.18,"longitude":-97.42}] |
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 10 February 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 near Ada?
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 187 scientific monitoring sources.