This alert expired on 11 May 2026 at 05:01 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 11 May 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 10 at 11:51PM CDT until May 11 at 12:00AM CDT by NWS Fort Worth TX
An estimated 132,248 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 11, 2026 · score 43 · 12.3 km
- May 27, 2026 · score 43 · 23.4 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 30.7773, -97.1634 |
| Nearest City | Taylor (33 km) |
| Population Exposed | 132.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T04:51:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.e2a8d4f38c065f13d8ebdebec74d426f |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bell, TX; Lee, TX |
| Headline | Flash Flood Warning issued May 10 at 11:51PM CDT until May 11 at 12:00AM CDT by NWS Fort Worth TX |
| Expires | 2026-05-11T00:01:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e2a8d4f38c065f13d8ebdebec74d426ffdbc5cde.001.1","noaa_urn:oid:2.49.0.1.840.0.2c1f51f4d6dd59111e1ab2fdab2dbf80ad85cf31.001.1","noaa_urn:oid:2.49.0.1.840.0.89f4d8a68e6a852cfa37021b2c584870e30d24df.001.1"] |
| Iem TypeSummary | E |
| Iem City | 1 SW Rockdale |
| Iem County | Milam |
| Iem State | TX |
| Iem Wfo | FWD |
| Iem Remark | High water reported on Hwy 79 at Childress Drive. |
| MergedSources | [{"id":"iem_G_30.320_-97.720_1778467560000","source":"iem","severity":"low","severityValue":25,"timestamp":1778467560000,"latitude":30.32,"longitude":-97.72},{"id":"iem_G_30.660_-97.380_1778469420000","source":"iem","severity":"low","severityValue":25,"timestamp":1778469420000,"latitude":30.66,"longitude":-97.38},{"id":"iem_F_30.660_-97.000_1778472840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778472840000,"latitude":30.66,"longitude":-97},{"id":"iem_E_30.650_-97.020_1778471280000","source":"iem","severity":"low","severityValue":25,"timestamp":1778471280000,"latitude":30.65,"longitude":-97.02}] |
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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.