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. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued March 15 at 1:58PM 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 | 2026-03-15T18:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado-Watch_noaa_urn-oid-2_49_0_1_840_0_bd0fb4aa835d698eb8b645325d7a406e |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Columbia, AR; Hempstead, AR; Howard, AR; Lafayette, AR; Little River, AR; Miller, AR; Nevada, AR; Sevier, AR; Union, AR; Bienville, LA; Bossier, LA; Caddo, LA; Claiborne, LA; De Soto, LA; Lincoln, LA; Red River, LA; Union, LA; Webster, LA; McCurtain, OK; Bowie, TX; Camp, TX; Cass, TX; Cherokee, TX; Franklin, TX; Gregg, TX; Harrison, TX; Marion, TX; Morris, TX; Nacogdoches, TX; Panola, TX; Red River, TX; Rusk, TX; Shelby, TX; Smith, TX; Titus, TX; Upshur, TX; Wood, TX; Arkansas, AR; Baxter, AR; Boone, AR; Bradley, AR; Calhoun, AR; Clark, AR; Cleburne, AR; Cleveland, AR; Conway, AR; Dallas, AR; Desha, AR; Drew, AR; Faulkner, AR; Fulton, AR; Garland, AR; Grant, AR; Hot Spring, AR; Independence, AR; Izard, AR; Jackson, AR; Jefferson, AR; Johnson, AR; Lawrence, AR; Lincoln, AR; Logan, AR; Lonoke, AR; Marion, AR; Monroe, AR; Montgomery, AR; Newton, AR; Ouachita, AR; Perry, AR; Pike, AR; Polk, AR; Pope, AR; Prairie, AR; Pulaski, AR; Randolph, AR; Saline, AR; Scott, AR; Searcy, AR; Sharp, AR; Stone, AR; Van Buren, AR; White, AR; Woodruff, AR; Yell, AR |
| Headline | Tornado Watch issued March 15 at 1:58PM 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.bd0fb4aa835d698eb8b645325d7a406ecaae0dad.001.1","noaa_urn:oid:2.49.0.1.840.0.0e1194a8c395dd860373a0a9e1d49d62c410402a.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 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 188 scientific monitoring sources.