Tropical storm Erika has formed in the Atlantic. Here’s what the National Hurricane Center had at 5am:

AT 500 AM AST…0900 UTC…THE POORLY-DEFINED CENTER OF TROPICAL
STORM ERIKA WAS ESTIMATED NEAR LATITUDE 17.0 NORTH…LONGITUDE 59.0
WEST OR ABOUT 280 MILES…455 KM…EAST-SOUTHEAST OF THE NORTHERN
LEEWARD ISLANDS.

ERIKA HAS BEEN MOVING GENERALLY WESTWARD NEAR 5 MPH…7 KM/HR…AND
A WEST-NORTHWESTWARD MOTION AT A SLIGHTLY FASTER FORWARD SPEED IS
EXPECTED OVER THE NEXT DAY OR TWO. ON THE FORECAST TRACK THE
CENTER WILL PASS NEAR OR OVER THE NORTHERN LEEWARD ISLANDS DURING
THE NEXT DAY OR SO.

MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH…85 KM/HR…WITH HIGHER
GUSTS. SOME STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS.

The latest five day forecast track has the storm just north of the Bahamas by Sunday. We’ll be watching.