This alert expired on 24 June 2026 at 16:30 UTC. It is kept here as a record.
No stronger detection stands among the 9 recorded within 20 km of this point since 16 May 2026 — 5 others scored the same. The last comparable one was on 6 June 2026.
What the source measured
NOAA reported: Flash Flood Warning issued June 24 at 10:45AM CDT until June 24 at 11:30AM CDT by NWS Norman OK
An estimated 605,388 people live within 50 km of this point.
Nearby, since 16 May 2026
- June 27, 2026 · score 48 · 26.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 86 % 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) | 48 / 100 |
| Our confidence | 86% |
| Coordinates | 35.9956, -96.3109 |
| Nearest City | Sapulpa (18 km) |
| Population Exposed | 605.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-24T15:45:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.69641f44f2f3abc56e466c52709447a7 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Noble, OK; Payne, OK; Creek, OK; Tulsa, OK; Okmulgee, OK and 1 more areas |
| Headline | Flash Flood Warning issued June 24 at 10:45AM CDT until June 24 at 11:30AM CDT by NWS Norman OK |
| Expires | 2026-06-24T11:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.69641f44f2f3abc56e466c52709447a75d227191.001.1","noaa_urn:oid:2.49.0.1.840.0.8dac98481ba3da3b18669b45220ad8a2f5ceba48.001.1","noaa_urn:oid:2.49.0.1.840.0.04a89ac29b5afd73952a6aa5e683d8e31d7c3e5e.001.1","noaa_urn:oid:2.49.0.1.840.0.3af15231303f026b5539c64137b7abbc9be72c33.001.1"] |
| Iem TypeSummary | E |
| Iem City | 1 SSW Broken Arrow |
| Iem County | Tulsa |
| Iem State | OK |
| Iem Wfo | TSA |
| Iem Remark | cars stranded in street flooding at 91st and 145th. |
| MergedSources | [{"id":"iem_E_36.030_-95.800_1782314100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782314100000,"latitude":36.03,"longitude":-95.8}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 48/100, near Sapulpa (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.