Right now
The most recent data we hold from NOAA arrived 3 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 31 May 2026 at 22:45 UTC. It is kept here as a record.
It is the 5th strongest of the 50 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 5:29PM CDT until May 31 at 5:45PM CDT by NWS Memphis TN
Nearby, since 15 March 2026
- March 16, 2026 · score 22 · 14.5 km
- July 10, 2026 · score 34 · 27.9 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 69 % 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 | High |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 69% |
| Coordinates | 36.3980, -89.8212 |
| Nearest City | Dyersburg (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-31T22:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.993082bcca64b77ddc989fd07a8aaa42 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dunklin, MO; Pemiscot, MO; Clay, AR; Obion, TN; Weakley, TN |
| Headline | Severe Thunderstorm Warning issued May 31 at 5:29PM CDT until May 31 at 5:45PM CDT by NWS Memphis TN |
| Expires | 2026-05-31T17:45:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.993082bcca64b77ddc989fd07a8aaa42fd1d1f78.002.1","noaa_urn:oid:2.49.0.1.840.0.44e3e27a0bf9774be053ed617cf87f618cbd95e3.001.1","noaa_urn:oid:2.49.0.1.840.0.83d4b079d140a0183e4dcee044f4f7ad40a26bba.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 2 S East Prairie |
| Spc County | Mississippi |
| Spc State | MO |
| Spc Comments | (PAH) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 2 S East Prairie |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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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