Right now
The most recent data we hold from NOAA arrived 87 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 16 March 2026 at 11:30 UTC. It is kept here as a record.
It is the 14th strongest of the 29 detections recorded within 20 km of this point since 16 March 2026. 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 16 at 6:48AM EDT until March 16 at 7:30AM EDT by NWS Tallahassee FL
Urban PEI: 492,668 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- August 5, 2026 · score 46 · 2.5 km
- March 16, 2026 · score 43 · 10.1 km
- July 19, 2026 · score 43 · 12.9 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 43 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 33.6665, -83.8387 |
| Nearest City | Conyers (17 km) |
| Urban exposure index (PEI) | 492.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T10:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.cd427b9b9b542ca5b2a71d11b6cc9027 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-03-16T10:48:00.000Z.
First archived: 2026-03-16T10:51:37.028Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Franklin, FL; Liberty, FL; Coffee, AL; Dale, AL; Chattahoochee, GA; Harris, GA; Lamar, GA; Marion, GA; Meriwether, GA; Muscogee, GA; Pike, GA; Talbot, GA; Upson, GA and 7 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 6:48AM EDT until March 16 at 7:30AM EDT by NWS Tallahassee FL |
| Expires | 2026-03-16T07:30:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cd427b9b9b542ca5b2a71d11b6cc9027fc903ef1.001.1","noaa_urn:oid:2.49.0.1.840.0.d743435ea7148f7d17769349a1b7095b03c0add5.001.1","noaa_urn:oid:2.49.0.1.840.0.af5eaf930bb90fd54516c752af62982388f384f2.001.1","noaa_urn:oid:2.49.0.1.840.0.57dd7ee8bb6cd9fa64c49f9e921b3de1e106c380.001.1","noaa_urn:oid:2.49.0.1.840.0.d4273a4aabbbaee3987f03a1ba1bd1c47c57af66.001.1","noaa_urn:oid:2.49.0.1.840.0.2ae888fc78380e5357ffb6f6ac2b8d899ecfafec.001.1","noaa_urn:oid:2.49.0.1.840.0.0150d81e6b32c8cd11cacea833532a44a75c13f4.001.1","noaa_urn:oid:2.49.0.1.840.0.5578e1fe036e387616f7ae8e6970f16b41fce79d.002.1","noaa_urn:oid:2.49.0.1.840.0.f79bc5dc514eba60840ebdd813fc0ad46af9b8eb.002.1","noaa_urn:oid:2.49.0.1.840.0.5d86fa293a816db098c9e2fead8d1baefd0e404f.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 SSE Roswell |
| Spc County | Fulton |
| Spc State | GA |
| Spc Comments | EM reports tree on structure at Summit Springs Rd in Sandy Springs. (FFC) |
| MergedSources | [{"id":"spc_wind_34.12_-84.41_394","source":"spc","severity":"medium","severityValue":45,"timestamp":1773653700000,"latitude":34.12,"longitude":-84.41},{"id":"spc_wind_33.99_-84.35_396","source":"spc","severity":"medium","severityValue":45,"timestamp":1773654000000,"latitude":33.99,"longitude":-84.35}] |
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.
Review the area, threshold and delivery channel in your account.
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