Right now
The most recent data we hold from NOAA arrived 2 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 17:30 UTC. It is kept here as a record.
No stronger detection stands among the 21 recorded within 20 km of this point since 11 May 2026 — 18 others scored the same. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 27 at 11:36AM CDT until May 27 at 12:30PM CDT by NWS Brownsville TX
An estimated 836,665 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 24, 2026 · score 48 · 0.8 km
- May 23, 2026 · score 48 · 3.5 km
- May 23, 2026 · score 48 · 5.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 89 % 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 | 89% |
| Coordinates | 25.9143, -97.4129 |
| Nearest City | Brownsville (9 km) |
| Population Exposed | 836.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T16:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.de3357678c1ba630e215dfa8e03d87dd826d6d4c.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Cameron, TX |
| Headline | Flood Warning issued May 27 at 11:36AM CDT until May 27 at 12:30PM CDT by NWS Brownsville TX |
| Expires | 2026-05-27T12:30:00-05:00 |
| SenderName | NWS Brownsville TX |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 61 |
| Iem Unit | MPH |
| Iem City | 5 ENE Bayview |
| Iem County | Cameron |
| Iem State | TX |
| Iem Wfo | BRO |
| Iem Remark | At 9:32 AM, ASOS/AWOS site at Port Isabel-Cameron County Airport measured a wind gust of 61 mph associated with a thunderstorm. |
| MergedSources | [{"id":"iem_M_26.070_-97.160_1779894360000","source":"iem","severity":"low","severityValue":25,"timestamp":1779894360000,"latitude":26.07,"longitude":-97.16},{"id":"iem_G_26.160_-97.340_1779892320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779892320000,"latitude":26.16,"longitude":-97.34}] |
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.
Want to know when something happens near Brownsville?
Calamity.live data shows a weather event with CalamityScore 48/100, near Brownsville (Mexico), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.