Cayman Islands Government

09/24/2022 | Press release | Distributed by Public on 09/24/2022 16:47

Severe Weather Bulletin 24 Sept 4 pm

Issued: Grand Cayman, 24 September 2022, 4pm.

CURRENT STORMS INFO:

As of 4PM, Tropical Storm Ian was located at 14.3N and 77.0W of about 445 miles SE of Grand Cayman with maximum sustained winds of 45mph. Tropical Storm Ian is moving towards the W at 16 mph with minimum central pressure of 1003mb / 29.62 inches.

BASED ON LATEST FORECAST TRACK

The Onset of Tropical Storm Force Winds for:

  • Grand Cayman is: Mon Sep-26, 4:00 AM

The closest point of approach:

  • Center is 118 miles SW of Grand Cayman: Mon Sep-26, 6:00 AM

End of Tropical Storm force winds for:

  • Grand Cayman is: Mon Sep-26, 9:00 AM

IF THE STORM CONTINUES ON ITS LATEST FORECAST TRACK

Expected weather conditions for the Cayman Islands:

Grand Cayman:

Overcast skies with widespread thunderstorms are expected from Sunday with tropical storm conditions late into the night as the system nears the Cayman Islands. Tropical Storm force winds with possible Hurricane force gusts are expected for Grand Cayman by early Monday morning as the system moves more west of the Cayman area. Extremely rough seas accompanied by storm surge are also expected.

Sister Islands:

Overcast skies along with widespread thunderstorms are expected from Sunday as Tropical Storm Ian moves closer to the Cayman Islands. Extremely rough seas along with swells and storm surges are also expected due strong and gusty winds. Given the adjustments to forecast track the possibility for storm force winds are lower for the Sister Islands.

WARNINGS

A FLOOD WARNING WILL BE IN EFFECT FOR THE CAYMAN ISLANDS

Estimated Rainfall Amount per Day

  • Sunday Sep. 25: 25.4 to 50.8 mm (1 - 2 inches)
  • Monday Sep. 26: 50.8 to 101.6 mm (2 - 4 inches)
  • Tuesday Sep. 27: 25.4 to 50.8 mm (1 - 2 inches)

GUSTY WINDS ARE EXPECTED FOR THE CAYMAN ISLANDS

Estimated Wind direction and Speeds - (Beginning Sunday night)

Grand Cayman

  • Sunday Night: SE at 20 to 30 mph
  • Monday Morning: 35 to 45 mph with higher gusts
  • Monday Afternoon: 20 to 30 mph
  • Monday Evening: 20 to 25 mph

Sister Islands

  • Sunday: 15 to 20mph with higher gusts
  • Monday: 15 to 20 mph with higher gusts

A MARINE WARNING WILL BE IN EFFECT FOR THE CAYMAN ISLANDS. ALL MARINE CRAFT SHOULD SEEK AND REMAINS IN SAFE HABOUR.

Estimated Wave Heights

  • Sunday Sep. 25: 6 to 8 feet especially along the south coast.
  • Monday Sep. 26: 9 to 12 feet especially along the south coast.
  • Tuesday Sep. 27: 5 to 7 feet.

Swells of 5 to 7 feet are likely along with 1 to 3 feet of storm surge.

THE NEXT BULLETIN WILL BE ISSUED AT 10:00 PM Saturday 24-SEP-2022.