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 23:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 31 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 31 at 6:20PM CDT until May 31 at 6:30PM CDT by NWS Memphis TN
An estimated 16,781 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 31, 2026 · score 40 · 0.8 km
- June 1, 2026 · score 40 · 14.2 km
- March 15, 2026 · score 58 · 15.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 40 out of 100, at 89 % 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) | 40 / 100 |
| Our confidence | 89% |
| Coordinates | 36.1776, -89.8071 |
| Nearest City | Dyersburg (41 km) |
| Population Exposed | 16.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-31T23:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3b07b3b37011b8d759096bd9ee94ecbb |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Pemiscot, MO; Dyer, TN; Lake, TN; Randolph, AR; Sharp, AR; Carroll, TN; Gibson, TN; Henry, TN; Weakley, TN and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 31 at 6:20PM CDT until May 31 at 6:30PM CDT by NWS Memphis TN |
| Expires | 2026-05-31T18:30:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3b07b3b37011b8d759096bd9ee94ecbbc6803039.001.1","noaa_urn:oid:2.49.0.1.840.0.74a412e381b249094a490f184a46881c7dbc1199.001.1","noaa_urn:oid:2.49.0.1.840.0.42702be64c21c043cc2ae1ebce51980781a7dcdc.001.1","noaa_urn:oid:2.49.0.1.840.0.132b36ffa5b4d9a7a6ec5f5bb8768075ad22372b.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 2 S East Prairie |
| Spc County | Mississippi |
| Spc State | MO |
| Spc Comments | (PAH) |
| MergedSources | [{"id":"spc_hail_36.79_-89.95_24","source":"spc","severity":"high","severityValue":65,"timestamp":1780262520000,"latitude":36.79,"longitude":-89.95},{"id":"spc_hail_36.75_-89.40_27","source":"spc","severity":"high","severityValue":65,"timestamp":1780264260000,"latitude":36.75,"longitude":-89.4}] |
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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