Overall Green alert Tropical Cyclone for JULIAN-21

Event summary

Tropical Cyclone JULIAN-21 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000820
Name JULIAN-21
From - To 29 Aug - 30 Aug
Exposed countries Off-shore
Exposed population No people in Category 1 or higher
Maximum wind speed 93 km/h Tropical storm
Maximum storm surge
Vulnerability --


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS 93 km/h 0 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 101 km/h 1.4 m 360 mm 0.5
GFS 94 km/h 1.4 m 154 mm 0.5
ECMWF 72 km/h 1.3 m 132 mm 0.5
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
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, 2021. 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

Articles: 64 | About casualties: 0 | Last hour: 0

Hurricane Larry forms in Atlantic; another disturbance could move into ... 2021-09-02T15:52+0200.

The shaded area on the graphic is where a storm could develop and is not a track. The National Hurricane Center releases a track when a tropical depression forms or is about to form. As of 7 a.m., a small area of low pressure was over north
Tropical Storm Larry forms as Ida's remnants bring rain to northeast; ... 2021-09-01T20:44+0200.

Tropical Storm Larry. Larry became the season's 12th named storm Wednesday morning in the eastern Atlantic. Due to low wind shear, warm waters and a moist environment, forecasters expect Larry to strengthen into a major hurricane within 60
FIRST ALERT: Larry expected to become major hurricane, Katie downgrade ... 2021-09-01T16:28+0200.

CHARLESTON, S.C. (WCSC) - Tropical Storm Larry is expected to become the next hurricane of the year by the end of the week. Larry is the 12th named storm of the year. As of 8 a.m. Wednesday, the center of Tropical Storm Larry was near latit
Talking the Tropics With Mike: Tropical storm Larry over the far E. At ... 2021-09-01T15:59+0200.

Ida: Landfall: NOAA Doppler radar imagery indicates that the eye of Ida made landfall along the southeastern coast of Louisiana near Port Fourchon - about 100 miles south of New Orleans - around 1155 AM CDT (1655 UTC)/12:55pm EDT. Data from

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 (38), INFORM (1),