This alert expired on 13 March 2026 at 13:15 UTC. It is kept here as a record.
It is the 4th strongest of the 35 detections recorded within 20 km of this point since 9 March 2026. The last comparable one was on 11 March 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 11 at 8:01PM CDT until March 14 at 5:00PM CDT by NWS Memphis TN
An estimated 35,680 people live within 50 km of this point.
Nearby, since 9 March 2026
- March 11, 2026 · score 39 · 4.3 km
- August 9, 2026 · score 34 · 10.5 km
- July 4, 2026 · score 34 · 13.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 78 % 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) | 34 / 100 |
| Our confidence | 78% |
| Coordinates | 33.9677, -88.4180 |
| Nearest City | Tupelo (42 km) |
| Population Exposed | 35.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T15:36:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lowndes, MS; Monroe, MS; Monroe, MS |
| Headline | Flood Warning issued March 11 at 8:01PM CDT until March 14 at 5:00PM CDT by NWS Memphis TN |
| Expires | 2026-03-13T08:15:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e58b4167a1961d62a097f91dd6f5949153c5a577.001.1","noaa_urn:oid:2.49.0.1.840.0.6399215b018862fd3c308fcda1440353da0ffb3a.001.1"] |
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 34/100, near Tupelo (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.