Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 May 2026 at 05:00 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 11 May 2026 — 24 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 10 at 10:09PM CDT until May 11 at 12:00AM CDT by NWS Fort Worth TX
An estimated 292,361 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 11, 2026 · score 43 · 0.0 km
- July 14, 2026 · score 43 · 2.0 km
- July 13, 2026 · score 43 · 11.1 km
How we know
Confirmed by 3 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 | 31.0265, -97.3777 |
| Nearest City | Belton (9 km) |
| Population Exposed | 292.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T03:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.70acb2edf40a0a302479562dc933f193 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bell, TX |
| Headline | Flash Flood Warning issued May 10 at 10:09PM CDT until May 11 at 12:00AM CDT by NWS Fort Worth TX |
| Expires | 2026-05-11T00:00:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.70acb2edf40a0a302479562dc933f1939be3fcda.001.1","noaa_urn:oid:2.49.0.1.840.0.e8ca04f4cfc5464903ad545f36832e71e9f184e1.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 1 S Mcgregor |
| Iem County | McLennan |
| Iem State | TX |
| Iem Wfo | FWD |
| Iem Remark | Quarter size hail reported on the south side of McGregor. |
| MergedSources | [{"id":"iem_H_31.450_-97.380_1778462100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778462100000,"latitude":31.45,"longitude":-97.38},{"id":"iem_H_31.440_-97.380_1778461920000","source":"iem","severity":"low","severityValue":25,"timestamp":1778461920000,"latitude":31.44,"longitude":-97.38}] |
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 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.
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