Right now
The most recent data we hold from NOAA arrived 3 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 16 March 2026 at 02:00 UTC. It is kept here as a record.
It is the 59th strongest of the 142 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 7:55PM CDT until March 15 at 9:00PM CDT by NWS Jackson MS
Nearby, since 15 March 2026
- July 12, 2026 · score 22 · 2.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 68 % 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 | 68% |
| Coordinates | 33.2713, -91.6843 |
| Nearest City | Greenville (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T00:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.28e255c832d8b71314595785cbbb0aae |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Chicot, AR; Leflore, MS; Sunflower, MS; Washington, MS; Arkansas, AR; Desha, AR; Monroe, AR; Union, AR; Union, LA and 18 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 7:55PM CDT until March 15 at 9:00PM CDT by NWS Jackson MS |
| Expires | 2026-03-15T21:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| MergedCount | 22 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.28e255c832d8b71314595785cbbb0aae79739080.001.1","noaa_urn:oid:2.49.0.1.840.0.76fe59aadce67302ad7f20d2f83d3970203bd208.001.1","noaa_urn:oid:2.49.0.1.840.0.959296559762cf2ee06c884afd5800aa3f0834d8.001.1","noaa_urn:oid:2.49.0.1.840.0.f57fa73461d1611cb9cf3f34026ec3fe81fa64af.001.1","noaa_urn:oid:2.49.0.1.840.0.ec9087d4ebe6eeb8a2d4bd43be27946f05e19055.002.1","noaa_urn:oid:2.49.0.1.840.0.b138d9ee27875a0966ea5ff50791b1ac8624c691.001.1","noaa_urn:oid:2.49.0.1.840.0.8259d2b069f22d3c31227f7d08b8a6c56b3f0040.002.1","noaa_urn:oid:2.49.0.1.840.0.9148babc8017c4c12553423130e3a6f4f0c71a09.002.1","noaa_urn:oid:2.49.0.1.840.0.cd5e5bcacf6db961a93be9bd164a8b2f263df400.001.1","noaa_urn:oid:2.49.0.1.840.0.b77b471bf13c67bb72e78c53104f4a9bdf83a23f.002.1","noaa_urn:oid:2.49.0.1.840.0.fbc55879fc1065ea2348363740666435e2d130ff.001.1","noaa_urn:oid:2.49.0.1.840.0.187ade6277c450a920f82f8a5853d7ba870d58b5.001.1","noaa_urn:oid:2.49.0.1.840.0.72fe4993ad51ff2bd21ee59020a1414f15f6e72f.001.1","noaa_urn:oid:2.49.0.1.840.0.ab9f2421466bde6afd8a02185fcab01707c3947a.001.1","noaa_urn:oid:2.49.0.1.840.0.1a534f0d579ca9155e91f3764974bdd2538c383e.001.1","noaa_urn:oid:2.49.0.1.840.0.ce6de8818170ee53a1d645cd8da00340a0b6c3f1.001.1","noaa_urn:oid:2.49.0.1.840.0.74db84fbaea78d8aee85e2e0e9a5abdf15b89c39.001.1","noaa_urn:oid:2.49.0.1.840.0.f9ce23e86360eac992b618f45e12acc146bfe207.001.1","noaa_urn:oid:2.49.0.1.840.0.7d06529dfcb84994c9ec7eff6a0c8a7c269e0edf.001.1","noaa_urn:oid:2.49.0.1.840.0.ac5059c416d574d35eb0d8a9c82a406d50c3c8ef.001.1","noaa_urn:oid:2.49.0.1.840.0.8a73f035f39ca9f7b2c06c4ae6cc2f6b2f318de3.001.1","noaa_urn:oid:2.49.0.1.840.0.ef72bbd11bcba76cc44954e2296208ea77f5b980.002.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | Fountain Hill |
| Spc County | Ashley |
| Spc State | AR |
| Spc Comments | (JAN) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Fountain Hill |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 28/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.