This alert expired on 21 June 2026 at 11:53 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 1 May 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 21 at 6:43AM CDT until June 21 at 6:45AM CDT by NWS Corpus Christi TX
An estimated 67,574 people live within 50 km of this point.
Nearby, since 1 May 2026
- May 29, 2026 · score 39 · 3.4 km
- May 21, 2026 · score 39 · 17.3 km
- July 16, 2026 · score 16 · 19.0 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 91 % 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) | 39 / 100 |
| Our confidence | 91% |
| Coordinates | 28.5821, -96.7039 |
| Nearest City | Victoria (38 km) |
| Population Exposed | 67.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T11:43:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.618e150b28716956547a14c2a547cadb |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Refugio, TX; San Patricio, TX; Colorado, TX; Aransas, TX; Refugio, TX and 2 more areas |
| Headline | Flash Flood Warning issued June 21 at 6:43AM CDT until June 21 at 6:45AM CDT by NWS Corpus Christi TX |
| Expires | 2026-06-21T06:53:00-05:00 |
| SenderName | NWS Corpus Christi TX |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.618e150b28716956547a14c2a547cadb8dc7b2d4.001.1","noaa_urn:oid:2.49.0.1.840.0.90008f0aba9b26802e18effe332733232a442f4a.001.1","noaa_urn:oid:2.49.0.1.840.0.b55748f8dfec5f8f4d3d2260c2ede0e1e484544d.001.1","noaa_urn:oid:2.49.0.1.840.0.b8c537c7fb12fb5af34d5591d215b0acf33d8894.001.1","noaa_urn:oid:2.49.0.1.840.0.b8685e37802ff61f19ecf19c5ca933772a906276.001.1","noaa_urn:oid:2.49.0.1.840.0.bd0cf7ebb1726f3b5182b8574274fdd7ea826b75.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 44 |
| Iem Unit | MPH |
| Iem City | 21 SSW Palacios |
| Iem County | GMZ330 |
| Iem State | TX |
| Iem Wfo | HGX |
| Iem Remark | A mesonet station near Port OConnor Waterway measured a 38 knot wind gust. |
| MergedSources | [{"id":"iem_F_28.200_-97.290_1782028200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782028200000,"latitude":28.2,"longitude":-97.29},{"id":"iem_M_28.450_-96.400_1782030600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782030600000,"latitude":28.45,"longitude":-96.4}] |
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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.