This alert expired on 16 March 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 148 recorded within 20 km of this point since 9 March 2026 — 16 others scored the same. The last comparable one was on 15 March 2026. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued March 15 at 7:12PM CDT until March 15 at 9:00PM CDT by NWS Shreveport LA
An estimated 490,916 people live within 50 km of this point.
Nearby, since 9 March 2026
- July 11, 2026 · score 43 · 0.0 km
- July 10, 2026 · score 43 · 0.0 km
- July 9, 2026 · score 43 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 55 out of 100, at 77 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 55 / 100 |
| Our confidence | 77% |
| Coordinates | 34.8000, -92.2000 |
| Nearest City | Sherwood (3 km) |
| Population Exposed | 490.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T00:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.2110d01bc22db8a950be7e67722ace7a |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Union, AR; Bienville, LA; Claiborne, LA; De Soto, LA; Lincoln, LA; Red River, LA; Union, LA; Webster, LA; Shelby, TX; Ashley, AR; Chicot, AR; East Carroll, LA; Morehouse, LA; West Carroll, LA; Attala, MS; Bolivar, MS; Carroll, MS; Choctaw, MS; Clay, MS; Grenada, MS; Holmes, MS; Humphreys, MS; Issaquena, MS; Leflore, MS; Montgomery, MS; Oktibbeha, MS; Sharkey, MS; Sunflower, MS; Washington, MS; Webster, MS; Yazoo, MS |
| Headline | Tornado Watch issued March 15 at 7:12PM CDT until March 15 at 9:00PM CDT by NWS Shreveport LA |
| Expires | 2026-03-15T21:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2110d01bc22db8a950be7e67722ace7ae0ff6e10.002.1","noaa_urn:oid:2.49.0.1.840.0.921cd9c9f8a980ae56f585257a9845786745ccaf.002.1"] |
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 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.
Want to know when something happens near Sherwood?
Calamity.live data shows a weather event with CalamityScore 55/100, near Sherwood (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.