This alert expired on 5 July 2026 at 02:45 UTC. It is kept here as a record.
It is the 7th strongest of the 7 detections recorded within 20 km of this point since 6 June 2026. The last comparable one was on 6 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 8:58PM CDT until July 4 at 9:45PM CDT by NWS Tulsa OK
An estimated 85,759 people live within 50 km of this point.
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 90 % 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 | 90% |
| Coordinates | 35.7586, -96.3655 |
| Nearest City | Sapulpa (35 km) |
| Population Exposed | 85.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T01:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0289334fc028c131b3ebc38298c474e3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Adair, OK; Cherokee, OK; Craig, OK; Delaware, OK; Mayes, OK; Rogers, OK; Wagoner, OK; Cherokee, OK; McIntosh, OK; Muskogee, OK; Okmulgee, OK; Sequoyah, OK; Wagoner, OK; Creek, OK; McIntosh, OK; Okfuskee, OK; Okmulgee, OK; Tulsa, OK and 3 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 8:58PM CDT until July 4 at 9:45PM CDT by NWS Tulsa OK |
| Expires | 2026-07-04T21:45:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0289334fc028c131b3ebc38298c474e340dd1952.001.1","noaa_urn:oid:2.49.0.1.840.0.e7cc33654cf17170e20135b66d3d53743e58a617.001.1","noaa_urn:oid:2.49.0.1.840.0.8b29d865b965ff5d168c5bbb28806f2361b45981.001.1","noaa_urn:oid:2.49.0.1.840.0.2aa31542c5720ceab44e9819f9dfdfb4c7863895.001.1","noaa_urn:oid:2.49.0.1.840.0.46e66dfc61f8740c74e7fb9b4c46eb97b5a35705.001.1","noaa_urn:oid:2.49.0.1.840.0.56a23a29141c28b1d9d9065871852eefeab391dd.001.1"] |
| Iem TypeSummary | D |
| Iem City | 4 NW Tulsa |
| Iem County | Tulsa |
| Iem State | OK |
| Iem Wfo | TSA |
| Iem Remark | Large tree branches fallen down. |
| MergedSources | [{"id":"iem_G_36.200_-95.890_1783213200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783213200000,"latitude":36.2,"longitude":-95.89},{"id":"iem_D_36.020_-96.900_1783213500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783213500000,"latitude":36.02,"longitude":-96.9},{"id":"iem_D_36.180_-95.950_1783213200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783213200000,"latitude":36.18,"longitude":-95.95}] |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.