Right now
The most recent data we hold from NOAA arrived 28 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 20 July 2026 at 18:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Tropical Storm Watch issued July 20 at 4:20AM CDT by NWS Mobile AL
Urban PEI: 237,811 within a heuristic 50 km radius; not unique people.
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
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 | 0.81/1 |
| Coordinates | 27.7000, -81.7000 |
| Nearest City | Lake Wales (25 km) |
| Urban exposure index (PEI) | 237.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T09:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tropical Storm Watch_noaa_urn:oid:2.49.0.1.840.0.724ae054f14d47f6a72f8c1dd4bf7962 |
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: 2026-07-20T09:20:00.000Z.
First archived: 2026-07-20T14:55:47.781Z. 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 | Tropical Storm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | North Mobile Bay; South Mobile Bay; Mississippi Sound; Perdido Bay Area; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM; Pensacola Bay Area including Santa Rosa Sound; Western Choctawhatchee Bay; Eastern Choctawhatchee Bay; Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM; Waters from Okaloosa-Walton County Line to Pensacola FL from 20 to 60 NM; St. Andrews Bay Waterways; Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM; Coastal Waters from Mexico Beach to Apalachicola out 20 NM; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm |
| Headline | Tropical Storm Watch issued July 20 at 4:20AM CDT by NWS Mobile AL |
| Expires | 2026-07-20T13:00:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.724ae054f14d47f6a72f8c1dd4bf7962b6e4a2d1.001.1","noaa_urn:oid:2.49.0.1.840.0.724ae054f14d47f6a72f8c1dd4bf7962b6e4a2d1.002.1","noaa_urn:oid:2.49.0.1.840.0.d9783beac38e745bfe9d30c19903ea962d1da714.003.1"] |
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 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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