This alert expired on 30 June 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 15 March 2026 — 29 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 30 at 4:09PM CDT until June 30 at 4:30PM CDT by NWS Amarillo TX
Nearby, since 15 March 2026
- May 21, 2026 · score 22 · 12.7 km
- May 19, 2026 · score 22 · 15.2 km
- May 18, 2026 · score 22 · 15.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 64 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 64% |
| Coordinates | 36.9816, -102.6284 |
| Nearest City | Dumas (137 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-30T21:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.91ad05ed81232616c41c81dbca763e3b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cimarron, OK; Baca, CO |
| Headline | Severe Thunderstorm Warning issued June 30 at 4:09PM CDT until June 30 at 4:30PM CDT by NWS Amarillo TX |
| Expires | 2026-06-30T16:30:00-05:00 |
| SenderName | NWS Amarillo TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.91ad05ed81232616c41c81dbca763e3b3d34a439.001.1","noaa_urn:oid:2.49.0.1.840.0.b40e0a716a1713a604e4b8b59ca619bb63e822ee.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 1 S Black Mesa Park |
| Iem County | Cimarron |
| Iem State | OK |
| Iem Wfo | AMA |
| Iem Remark | Two five minute gusts to 60 observed between 1550CDT and 1555CDT. |
| MergedSources | [{"id":"iem_G_36.830_-102.880_1782852600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782852600000,"latitude":36.83,"longitude":-102.88}] |
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 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.
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.