Right now
The most recent data we hold from NOAA arrived 2 minutes 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 22 June 2026 at 15:00 UTC. It is kept here as a record.
No stronger detection stands among the 47 recorded within 20 km of this point since 16 March 2026 — 36 others scored the same. 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 June 22 at 9:32AM CDT until June 22 at 10:00AM CDT by NWS Memphis TN
Urban PEI: 1,607,758 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 14, 2026 · score 46 · 12.1 km
- September 13, 2026 · score 46 · 12.1 km
- September 2, 2026 · score 46 · 15.4 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 52 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.91/1 |
| Coordinates | 35.3050, -90.1125 |
| Nearest City | Memphis (18 km) |
| Urban exposure index (PEI) | 1.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-22T14:32:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5691557fb240ef01a933f18cb1d2009d2dfc538a.002.1 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-22T14:32:00.000Z.
First archived: 2026-06-22T14:49:50.183Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crittenden, AR; Shelby, TN |
| Headline | Severe Thunderstorm Warning issued June 22 at 9:32AM CDT until June 22 at 10:00AM CDT by NWS Memphis TN |
| Expires | 2026-06-22T10:00:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| Iem TypeSummary | R |
| Iem Magnitude | 6.25 |
| Iem Unit | Inch |
| Iem City | 1 SW Caraway |
| Iem County | Craighead |
| Iem State | AR |
| Iem Wfo | MEG |
| Google News RssFeed | weather |
| Google News SourceName | FOX13 Memphis |
| MergedSources | [{"id":"iem_F_35.760_-90.340_1782132780000","source":"iem","severity":"low","severityValue":25,"timestamp":1782132780000,"latitude":35.76,"longitude":-90.34},{"id":"iem_R_35.750_-90.350_1782133080000","source":"iem","severity":"low","severityValue":25,"timestamp":1782133080000,"latitude":35.75,"longitude":-90.35},{"id":"gnews_weather_495038_144","source":"google_news","severity":"medium","severityValue":40,"timestamp":1782137880000,"latitude":35.15,"longitude":-90.05}] |
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.
Review the area, threshold and delivery channel in your account.
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