This alert expired on 16 March 2026 at 04:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 27 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 11:00PM CDT until March 15 at 11:15PM CDT by NWS Birmingham AL
An estimated 961,348 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 17, 2026 · score 48 · 4.6 km
- June 9, 2026 · score 48 · 8.5 km
- June 9, 2026 · score 52 · 14.8 km
How we know
Confirmed by 14 independent sources, including NOAA.
Our own score for this event is 54 out of 100, at 87 % 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) | 54 / 100 |
| Our confidence | 87% |
| Coordinates | 36.4436, -87.0916 |
| Nearest City | Springfield (20 km) |
| Population Exposed | 961.3K within 50 km |
| Impact Tier | severe |
| Date | 2026-03-16 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3def048ed66bb2faf2f6ea5817bef56e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lamar, AL; Marion, AL; Itawamba, MS; Monroe, MS; Clay, MS and 18 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 11:00PM CDT until March 15 at 11:15PM CDT by NWS Birmingham AL |
| Expires | 2026-03-15T23:15:00-05:00 |
| SenderName | NWS Birmingham AL |
| HasExactCoords | true |
| MergedCount | 21 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3def048ed66bb2faf2f6ea5817bef56e62e438ae.001.1","noaa_urn:oid:2.49.0.1.840.0.873f13ba4a125e6e173b82148714c38fff4e21f7.002.1","noaa_urn:oid:2.49.0.1.840.0.8cd68450cbfe4e2c93009d924fded880f253bf35.001.1","noaa_urn:oid:2.49.0.1.840.0.60d71309527450bb1ffe86980d323c2042b732a5.002.1","noaa_urn:oid:2.49.0.1.840.0.22471c4548abd510b7c19de426614349c506c815.002.1","noaa_urn:oid:2.49.0.1.840.0.62fb37d024139b3006c76fe9dd04d2d1d34b221d.001.1","noaa_urn:oid:2.49.0.1.840.0.4fde0703d7509863c0224bf8f8ac7c3d2e90339d.002.1","noaa_urn:oid:2.49.0.1.840.0.1989ef5fe68d493fe584282db8854ebd626cafad.001.1","noaa_urn:oid:2.49.0.1.840.0.86e0d73ea5681d0de32f998996463dd47bdb71b7.002.1","noaa_urn:oid:2.49.0.1.840.0.81e22e6df48035dd49cd57777c0f1e8240402129.001.1","noaa_urn:oid:2.49.0.1.840.0.5d37223d90212fc98c2f3faa78a66383f5f4c248.001.1","noaa_urn:oid:2.49.0.1.840.0.86859276a55dbd87504671c0f069aecff1fecfb9.002.1","noaa_urn:oid:2.49.0.1.840.0.d138c141b69bb672f48bcc4239cc2c50d0da81a5.001.1","noaa_urn:oid:2.49.0.1.840.0.7a80da4743a47263c499254d23422e986a397422.002.1","noaa_urn:oid:2.49.0.1.840.0.05e5632cd318d8ee71841843305df0edabfd910e.002.1","noaa_urn:oid:2.49.0.1.840.0.f076468e3b5aab894a330de910fffdb3d243facb.001.1","noaa_urn:oid:2.49.0.1.840.0.f076c4149714964e3e36efcef849a81fec3a4421.001.1","noaa_urn:oid:2.49.0.1.840.0.593c61285a7c3c1b3acfc0f2e6ab0101405db5be.001.1","noaa_urn:oid:2.49.0.1.840.0.6fe5a6b7d2bb2e6cbc2f80cb5426cb7879ba5d18.001.1","noaa_urn:oid:2.49.0.1.840.0.965bc3a43bb5802633d806a14ac05f13e7bb4fad.001.1","noaa_urn:oid:2.49.0.1.840.0.a329cf88b7f41f11e1565cf54181743430d5168f.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | 1 W Dickson |
| Spc County | Dickson |
| Spc State | TN |
| Spc Comments | Report from mPING: Half Dollar (1.25 in.). (OHX) |
| Iem TypeSummary | G |
| Iem Magnitude | 70 |
| Iem Unit | MPH |
| Iem City | Pembroke |
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 near Springfield?
Calamity.live data shows a weather event with CalamityScore 54/100, near Springfield (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.