This alert expired on 9 March 2026 at 18:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 28 detections recorded within 20 km of this point since 9 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 9 at 12:30PM CDT until March 9 at 1:15PM CDT by NWS Memphis TN
An estimated 44,772 people live within 50 km of this point.
Nearby, since 9 March 2026
- March 16, 2026 · score 48 · 7.4 km
- March 15, 2026 · score 34 · 9.6 km
- June 2, 2026 · score 22 · 17.9 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 85 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Weather |
| Severity | medium |
| Severity Value | 50 |
| Calamity Score | 34 / 100 |
| Confidence | 85% |
| Coordinates | 34.4745, -91.5833 |
| Nearest City | Pine Bluff (47 km) |
| Population Exposed | 44.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-09T17:30:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Expires | 2026-03-09T13:15:00-05:00 |
| Urgency | Immediate |
| AreaDesc | Crittenden, AR; Cross, AR; Lee, AR; St. Francis, AR; Grant, AR; Jefferson, AR |
| Headline | Severe Thunderstorm Warning issued March 9 at 12:30PM CDT until March 9 at 1:15PM CDT by NWS Memphis TN |
| Certainty | Observed |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2d87ed4575f43c4c434755dd80a03300bb79eacb.001.1","noaa_urn:oid:2.49.0.1.840.0.4299143183d6113ae86430656edeb74101f2f36c.001.1","noaa_urn:oid:2.49.0.1.840.0.4299143183d6113ae86430656edeb74101f2f36c.001.1"] |
| SenderName | NWS Memphis TN |
| MergedCount | 3 |
| HasExactCoords | true |
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 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 Pine Bluff (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 196 scientific monitoring sources.