This alert expired on 15 March 2026 at 21:45 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 15 March 2026 — 9 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: Severe Thunderstorm Warning issued March 15 at 3:56PM CDT until March 15 at 4:45PM CDT by NWS Little Rock AR
An estimated 16,051 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 15, 2026 · score 34 · 12.3 km
- June 24, 2026 · score 34 · 15.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 82 % 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 | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 82% |
| Coordinates | 33.4185, -94.8257 |
| Nearest City | Mount Pleasant (32 km) |
| Population Exposed | 16.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T20:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_23c2abc8cb1742b783faed1dcccb7946 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clark, AR; Montgomery, AR; Pike, AR; Polk, AR; Red River, TX; Titus, TX; Upshur, TX; Wood, TX and 5 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 3:56PM CDT until March 15 at 4:45PM CDT by NWS Little Rock AR |
| Expires | 2026-03-15T16:45:00-05:00 |
| SenderName | NWS Little Rock AR |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.23c2abc8cb1742b783faed1dcccb79462ade7cef.001.1","noaa_urn:oid:2.49.0.1.840.0.f73a85e2b69f7e0ec6f35fc376a6e089f57b8672.002.1","noaa_urn:oid:2.49.0.1.840.0.dbc9b53946ad52f5c2456f48278ff634df3feeb3.001.1","noaa_urn:oid:2.49.0.1.840.0.69f55c6698e2b23477a550a828f3feb66c4889e5.001.1","noaa_urn:oid:2.49.0.1.840.0.2dd77278531cec7a27abc49972d547ab41131995.002.1","noaa_urn:oid:2.49.0.1.840.0.9216ddfa8bcff0a313c5f1ae63dd103d9efcad9c.001.1","noaa_urn:oid:2.49.0.1.840.0.f8855a1ae8445bda1a85c4f0760c5aee83916923.001.1","noaa_urn:oid:2.49.0.1.840.0.06240a6c64dc648731cb4596ca784521d4e795d9.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 63 |
| Iem Unit | MPH |
| Iem City | 1 SW Idabel |
| Iem County | McCurtain |
| Iem State | OK |
| Iem Wfo | SHV |
| Iem Remark | Measured 63 mph gust from the Idabel Mesonet site. |
| MergedSources | [{"id":"iem_G_33.890_-94.830_1773605700000","source":"iem","severity":"low","severityValue":25,"timestamp":1773605700000,"latitude":33.89,"longitude":-94.83}] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.