Overall Green Tropical Cyclone for BERTHA-26
in United States

Event summary

Tropical Cyclone BERTHA-26 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001290
Name BERTHA-26
From - To 19 Jul - 21 Jul
Exposed countries United States
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h Tropical storm
Maximum storm surge 1.3 m (23 Jul 04:00 UTC)
Vulnerability Low (United States)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 93 km/h 1.3 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 97 km/h 0.9 m 739 mm 0.5
GFS 86 km/h 0.8 m 449 mm 0.5
ECMWF 72 km/h 0.9 m 491 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Exclusive analysis of Tropical Storm Bertha as it barrels toward the G.. 7/21/2026 7:34:00 PM.

??BERTHA WATCH: FOX Weather Hurricane Specialist Bryan Norcross provides exclusive analysis of the latest developments on Tropical Storm Bertha as intense wind gusts and heavy rain cause ongoing Coastal Flood Warnings along the Gulf Coast.
Tropical Storm Bertha threatens dangerous beach conditions across the .. 7/21/2026 5:02:00 PM.

MOBILE, Ala. ( WALA ) - Hurricane Hunters find Tropical Storm Bertha has strengthened this morning with max sustained winds now at 60 mph. Tropical Storm Bertha is churning through the northern Gulf about 145 miles SE of Mobile, Alabama. A
...(more)
Tropical Storm Bertha threatens dangerous beach conditions across the .. 7/21/2026 3:53:00 PM.

MOBILE, Ala. ( WALA ) - Hurricane Hunters find Tropical Storm Bertha has strengthened this morning with max sustained winds now at 60 mph. Tropical Storm Bertha is churning through the northern Gulf about 145 miles SE of Mobile, Alabama. A
...(more)
First Alert: Multiple stray, but heavy showers possible this afternoon.. 7/21/2026 9:26:00 AM.

MONTGOMERY, Ala. (WSFA) - Our second named storm of the 2026 Atlantic hurricane season is here, and it could bring a few more small but heavy showers into our area over the next couple of afternoons. The overall coverage of rain will look v
...(more)

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), WMO (1), INFORM (2), (1),