This alert expired on 27 June 2026 at 04:15 UTC. It is kept here as a record.
It is the 4th strongest of the 60 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 24 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 26 at 6:34PM CDT until June 26 at 11:15PM CDT by NWS Paducah KY
An estimated 55,898 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 21, 2026 · score 32 · 13.7 km
- June 8, 2026 · score 32 · 15.7 km
- June 27, 2026 · score 39 · 15.7 km
How we know
Confirmed by 8 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 87 % 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 | 87% |
| Coordinates | 37.1891, -89.3633 |
| Nearest City | Cape Girardeau (19 km) |
| Population Exposed | 55.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-26T23:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.3f7056f04b4cd8beef40b1cf4a9cef35 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Ballard, KY; Pulaski, IL; Alexander, IL and 2 more areas |
| Headline | Flash Flood Warning issued June 26 at 6:34PM CDT until June 26 at 11:15PM CDT by NWS Paducah KY |
| Expires | 2026-06-26T23:15:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3f7056f04b4cd8beef40b1cf4a9cef3522369da6.001.1","noaa_urn:oid:2.49.0.1.840.0.79990637f29772689353cb02d3fe834b72e521ee.002.1","noaa_urn:oid:2.49.0.1.840.0.eebb5a5340e39f8cf0c5380cc17637e6f385abca.001.1","noaa_urn:oid:2.49.0.1.840.0.d4a64a9b974333b8b284a03c351ba48db4a8a700.001.1","noaa_urn:oid:2.49.0.1.840.0.85f33cf40a02adc21b67b78b45f24db4b4595ef3.001.1"] |
| Iem TypeSummary | F |
| Iem City | Cape Girardeau |
| Iem County | Cape Girardeau |
| Iem State | MO |
| Iem Wfo | PAH |
| Iem Remark | Considerable flash flooding occurring in Cape Girardeau. Water up to 3 feet deep covering some roads. |
| MergedSources | [{"id":"iem_F_37.190_-89.550_1782505620000","source":"iem","severity":"low","severityValue":25,"timestamp":1782505620000,"latitude":37.19,"longitude":-89.55},{"id":"iem_F_37.310_-89.550_1782504000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782504000000,"latitude":37.31,"longitude":-89.55},{"id":"iem_F_37.300_-89.530_1782505800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782505800000,"latitude":37.3,"longitude":-89.53},{"id":"iem_D_37.200_-89.270_1782507420000","source":"iem","severity":"low","severityValue":25,"timestamp":1782507420000,"latitude":37.2,"longitude":-89.27},{"id":"iem_F_37.120_-89.200_1782512700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782512700000,"latitude":37.12,"longitude":-89.2},{"id":"iem_D_37.110_-89.360_1782506640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782506640000,"latitude":37.11,"longitude":-89.36},{"id":"iem_F_37.310_-89.550_1782506700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782506700000,"latitude":37.31,"longitude":-89.55}] |
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, near Cape Girardeau (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.