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 27 May 2026 at 11:30 UTC. It is kept here as a record.
No stronger detection stands among the 18 recorded within 20 km of this point since 19 May 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 27 at 3:31AM CDT until May 27 at 6:30AM CDT by NWS Corpus Christi TX
An estimated 672,208 people live within 50 km of this point.
Nearby, since 19 May 2026
- September 5, 2026 · score 41 · 9.4 km
- July 16, 2026 · score 48 · 14.0 km
- June 16, 2026 · score 48 · 14.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 85 % 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) | 48 / 100 |
| Our confidence | 85% |
| Coordinates | 27.7319, -99.6295 |
| Nearest City | Laredo (27 km) |
| Population Exposed | 672.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T08:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.57c20bf86c8452507bd0b375f47f86e805a9f7e4.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Webb, TX |
| Headline | Flash Flood Warning issued May 27 at 3:31AM CDT until May 27 at 6:30AM CDT by NWS Corpus Christi TX |
| Expires | 2026-05-27T06:30:00-05:00 |
| SenderName | NWS Corpus Christi TX |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | 2 ENE Laredo |
| Iem County | Webb |
| Iem State | TX |
| Iem Wfo | CRP |
| Iem Remark | Measured by LRD AWOS. |
| MergedSources | [{"id":"iem_G_27.550_-99.460_1779871260000","source":"iem","severity":"low","severityValue":25,"timestamp":1779871260000,"latitude":27.55,"longitude":-99.46}] |
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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