This alert expired on 5 July 2026 at 01:15 UTC. It is kept here as a record.
It is the 6th strongest of the 45 detections recorded within 20 km of this point since 16 April 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 7:42PM CDT until July 4 at 8:15PM CDT by NWS Tulsa OK
An estimated 73,725 people live within 50 km of this point.
Nearby, since 16 April 2026
- June 14, 2026 · score 63 · 6.4 km
- June 2, 2026 · score 34 · 12.9 km
- June 27, 2026 · score 39 · 20.1 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 89 % 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) | 39 / 100 |
| Our confidence | 89% |
| Coordinates | 36.5236, -96.9528 |
| Nearest City | Ponca City (24 km) |
| Population Exposed | 73.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T00:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ae155220ec79f44ab2708343604d6b52 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Osage, OK; Tulsa, OK; Chautauqua, KS; Nowata, OK; Washington, OK and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 7:42PM CDT until July 4 at 8:15PM CDT by NWS Tulsa OK |
| Expires | 2026-07-04T20:15:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ae155220ec79f44ab2708343604d6b52cef002e5.001.1","noaa_urn:oid:2.49.0.1.840.0.532cb009786346b8a2429561bdae2ac564b0fff9.001.1","noaa_urn:oid:2.49.0.1.840.0.bccba080c69c6a22913c94d221604cbdf940e086.001.1","noaa_urn:oid:2.49.0.1.840.0.195f594f5614b42e3da33b2ec492fbee98834d47.001.1","noaa_urn:oid:2.49.0.1.840.0.2ac4ac5c6cc7db3aa6148e573e4335a7b04ed35a.001.1","noaa_urn:oid:2.49.0.1.840.0.bbe71cd4461d4291f205444acdb0fa1e597c2a82.001.1","noaa_urn:oid:2.49.0.1.840.0.3f7c5433b2e5ce653642e5d46ccfeb44efc5a561.001.1","noaa_urn:oid:2.49.0.1.840.0.64707eb0ae24aae9f5a576fbabb55593b6276f9c.001.1","noaa_urn:oid:2.49.0.1.840.0.f06a20ed75109225a012f5fac65f31f514b1e812.001.1","noaa_urn:oid:2.49.0.1.840.0.03a2b6f9450e04e1c8c10d17a7f74653cc1e3f8d.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 8 ESE Foraker |
| Iem County | Osage |
| Iem State | OK |
| Iem Wfo | TSA |
| MergedSources | [{"id":"iem_H_36.700_-96.990_1783209120000","source":"iem","severity":"low","severityValue":25,"timestamp":1783209120000,"latitude":36.7,"longitude":-96.99},{"id":"iem_G_36.900_-96.910_1783206300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206300000,"latitude":36.9,"longitude":-96.91},{"id":"iem_G_36.900_-96.910_1783206000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206000000,"latitude":36.9,"longitude":-96.91},{"id":"iem_G_36.880_-96.910_1783206600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206600000,"latitude":36.88,"longitude":-96.91},{"id":"iem_G_37.090_-97.040_1783205100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783205100000,"latitude":37.09,"longitude":-97.04},{"id":"iem_G_36.540_-97.340_1783209600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783209600000,"latitude":36.54,"longitude":-97.34},{"id":"iem_D_37.170_-97.020_1783205100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783205100000,"latitude":37.17,"longitude":-97.02},{"id":"iem_G_36.720_-97.110_1783206420000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206420000,"latitude":36.72,"longitude":-97.11},{"id":"iem_G_36.880_-96.910_1783206900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783206900000,"latitude":36.88,"longitude":-96.91},{"id":"iem_G_36.830_-96.430_1783209600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783209600000,"latitude":36.83,"longitude":-96.43}] |
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.
Calamity.live data shows a weather event with CalamityScore 39/100, near Ponca City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.