This alert expired on 20 July 2026 at 17:00 UTC. It is kept here as a record.
It is the 4th strongest of the 49 detections recorded within 20 km of this point since 12 March 2026. 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: Tropical Storm Watch issued July 20 at 4:55AM EDT by NWS Tallahassee FL
An estimated 90,901 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 19, 2026 · score 39 · 0.0 km
- July 9, 2026 · score 39 · 1.9 km
- June 25, 2026 · score 39 · 3.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 30.2204, -86.0911 |
| Nearest City | Santa Rosa Beach (24 km) |
| Population Exposed | 90.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T08:55:00.000Z |
Score Breakdown
Technical Details
| Event | Tropical Storm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Coastal Franklin; Coastal Bay; South Walton and 4 more areas |
| Headline | Tropical Storm Watch issued July 20 at 4:55AM EDT by NWS Tallahassee FL |
| Expires | 2026-07-20T13:00:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3ee7f1d9b3879ad8d1644204dfb5253149338898.004.1","noaa_urn:oid:2.49.0.1.840.0.3ee7f1d9b3879ad8d1644204dfb5253149338898.002.1","noaa_urn:oid:2.49.0.1.840.0.3ee7f1d9b3879ad8d1644204dfb5253149338898.001.1","noaa_urn:oid:2.49.0.1.840.0.3ee7f1d9b3879ad8d1644204dfb5253149338898.003.1","noaa_urn:oid:2.49.0.1.840.0.21a8686e9668dacc8545e9fed1239ca2453cfc08.001.1","noaa_urn:oid:2.49.0.1.840.0.21a8686e9668dacc8545e9fed1239ca2453cfc08.002.1","noaa_urn:oid:2.49.0.1.840.0.21a8686e9668dacc8545e9fed1239ca2453cfc08.003.1"] |
Safety Information
During a tropical cyclone: shelter in a sturdy interior room away from windows. Stock emergency supplies including water, food, medications, and flashlights. Do not venture outdoors during the eye of the storm. After passage, beware of downed power lines, flooding, and structural damage. Follow official guidance for evacuation and shelter.
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 39/100, near Santa Rosa Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.