This alert expired on 16 March 2026 at 08:00 UTC. It is kept here as a record.
No stronger detection stands among the 92 recorded within 20 km of this point since 9 March 2026 — 52 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued March 15 at 11:47PM CDT until March 16 at 3:00AM CDT by NWS Huntsville AL
An estimated 70,253 people live within 50 km of this point.
Nearby, since 9 March 2026
- July 12, 2026 · score 39 · 0.0 km
- July 2, 2026 · score 39 · 0.0 km
- July 1, 2026 · score 39 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 51 out of 100, at 78 % 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) | 51 / 100 |
| Our confidence | 78% |
| Coordinates | 32.7000, -86.7000 |
| Nearest City | Prattville (35 km) |
| Population Exposed | 70.3K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T04:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.166de3759c35bb66ff4837453cabb419 |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Cullman, AL; DeKalb, AL; Jackson, AL; Lawrence, AL; Limestone, AL; Madison, AL; Marshall, AL; Morgan, AL; Franklin, TN; Lincoln, TN; Moore, TN; Choctaw, AL; Clarke, AL; Washington, AL; Wilcox, AL; George, MS; Greene, MS; Perry, MS; Stone, MS; Wayne, MS; Bibb, AL; Blount, AL; Calhoun, AL; Cherokee, AL; Chilton, AL; Dallas, AL; Etowah, AL; Fayette, AL; Greene, AL; Hale, AL; Jefferson, AL; Lamar, AL; Marengo, AL; Marion, AL; Perry, AL; Pickens, AL; St. Clair, AL; Shelby, AL; Sumter, AL; Talladega, AL; Tuscaloosa, AL; Walker, AL; Winston, AL |
| Headline | Tornado Watch issued March 15 at 11:47PM CDT until March 16 at 3:00AM CDT by NWS Huntsville AL |
| Expires | 2026-03-16T03:00:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.166de3759c35bb66ff4837453cabb41962e988f6.002.1","noaa_urn:oid:2.49.0.1.840.0.e1a2e5e708314112564635072180f6ebd915ba4e.001.1","noaa_urn:oid:2.49.0.1.840.0.da32320d6b1ef3d7045dacad2cc292fe11c23caf.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 51/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.