Right now
The most recent data we hold from NOAA arrived 2 hours 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 2 June 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 16 March 2026 — 20 others scored the same. The last comparable one was on 29 April 2026.
What the source measured
NOAA reported: Flash Flood Warning issued June 1 at 6:26PM CDT until June 1 at 8:15PM CDT by NWS Memphis TN
An estimated 1,647,072 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 4, 2026 · score 52 · 8.9 km
- March 16, 2026 · score 52 · 15.1 km
- July 4, 2026 · score 52 · 20.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 34.9436, -89.6579 |
| Nearest City | Collierville (11 km) |
| Population Exposed | 1.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T23:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2b778a97c6830d4b0d37baa87d22440166d5abab.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | DeSoto, MS; Marshall, MS; Shelby, TN |
| Headline | Flash Flood Warning issued June 1 at 6:26PM CDT until June 1 at 8:15PM CDT by NWS Memphis TN |
| Expires | 2026-06-01T20:15:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
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.
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