Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is in it.
7 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 11 September 2026, 02:15 UTC.
No stronger detection stands among the 68 recorded within 20 km of this point since 15 March 2026 — 5 others scored the same. The last comparable one was on 10 September 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 10 at 7:00PM CDT until September 10 at 9:15PM CDT by NWS Amarillo TX
An estimated 198,645 people live within 50 km of this point.
Nearby, since 15 March 2026
- September 10, 2026 · score 49 · 0.0 km
- September 5, 2026 · score 37 · 4.6 km
- September 4, 2026 · score 37 · 4.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 49 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 91% |
| Coordinates | 34.9900, -101.7242 |
| Nearest City | Amarillo (27 km) |
| Population Exposed | 198.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-11T00:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a19bb23bce2a90bde71270c36e638e804e4a12ab.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Randall, TX |
| Headline | Flash Flood Warning issued September 10 at 7:00PM CDT until September 10 at 9:15PM CDT by NWS Amarillo TX |
| Expires | 2026-09-10T21:15:00-05:00 |
| SenderName | NWS Amarillo TX |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 225 |
| Spc Location | 1 SSE Lake Tanglewood |
| Spc County | Randall |
| Spc State | TX |
| Spc Comments | Largest hail size measured in Lake Tanglewood as storm went through. (AMA) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 1 NNE Timbercreek Canyo |
| Iem County | Randall |
| Iem State | TX |
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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