NHC/NOAA 5AM Update – Gonzalo strengthens again while still heading due west
At 500 AM AST (0900 UTC), the center of Tropical Storm Gonzalo was located near latitude 10.0 North, longitude 47.0 West.
Tropical Storm Gonzalo Advisory Number 7
NWS National Hurricane Center Miami FL AL072020
500 AM AST Thu Jul 23 2020
…GONZALO STRENGTHENS AGAIN WHILE STILL HEADING DUE WEST….EXPECTED TO BECOME A HURRICANE LATER TODAY…
SUMMARY OF 500 AM AST…0900 UTC…INFORMATION
ABOUT 970 MI…1565 KM E OF THE SOUTHERN WINDWARD ISLANDS
MAXIMUM SUSTAINED WINDS…65 MPH…100 KM/H
PRESENT MOVEMENT…W OR 270 DEGREES AT 12 MPH…19 KM/H
MINIMUM CENTRAL PRESSURE…997 MB…29.44 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY…
SUMMARY OF WATCHES AND WARNING IN EFFECT…
A Hurricane Watch is in effect for…
A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous.
Interests in the Windward Islands should monitor the progress of this system. Additional watches or warnings will likely be required for some of these islands later today.
For storm information specific to your area, please monitor products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
At 500 AM AST (0900 UTC), the center of Tropical Storm Gonzalo was located near latitude 10.0 North, longitude 47.0 West. Gonzalo is moving toward the west near 12 mph (19 km/h). A general westward motion at a faster forward speed is expected followed by a turn toward the west-northwest on Saturday. On the forecast track, the
center of Gonzalo would approach the Windward Islands late Friday and Saturday.
Maximum sustained winds have increased to near 65 mph (100 km/h) with higher gusts. Further strengthening is forecast during the next couple of days, and Gonzalo is expected to become a hurricane later today.
Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center.
The estimated minimum central pressure is 997 mb (29.44 inches).
HAZARDS AFFECTING LAND
Key messages for Gonzalo can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC.
Next intermediate advisory at 800 AM AST.
Next complete advisory at 1100 AM AST.