This alert expired on 20 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 8th strongest of the 18 detections recorded within 20 km of this point since 7 May 2026. The last comparable one was on 29 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 19 at 7:34PM CDT until June 19 at 8:15PM CDT by NWS Mobile AL
An estimated 65,642 people live within 50 km of this point.
Nearby, since 7 May 2026
- May 9, 2026 · score 39 · 2.5 km
- May 7, 2026 · score 53 · 16.2 km
- May 27, 2026 · score 39 · 17.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 86 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 86% |
| Coordinates | 31.3625, -88.8800 |
| Nearest City | Hattiesburg (39 km) |
| Population Exposed | 65.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T00:34:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.420c0a0dd41980559cd2137074c1affed924ba02.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Greene, MS; Perry, MS; Wayne, MS |
| Headline | Severe Thunderstorm Warning issued June 19 at 7:34PM CDT until June 19 at 8:15PM CDT by NWS Mobile AL |
| Expires | 2026-06-19T20:15:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Calhoun |
| Iem County | Jones |
| Iem State | MS |
| Iem Wfo | JAN |
| Iem Remark | Quarter size hail was reported in Calhoun, west of Laurel. |
| MergedSources | [{"id":"iem_H_31.700_-89.210_1781911860000","source":"iem","severity":"low","severityValue":25,"timestamp":1781911860000,"latitude":31.7,"longitude":-89.21}] |
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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.