10pm Tropical Update (6-19-17)
Tropical Weather Update, Monday, June 19th 2017 at 1000 PM CDT (0300 UTC), the disturbance was centered near latitude 24.4 North, longitude 89.5 West. The system is moving toward the north-northwest near 8 mph (13 km/h). A turn toward the northwest should occur by Tuesday morning, and that motion is expected to continue into Wednesday. On the forecast track, the disturbance is expected to be near the Louisiana coast on Wednesday.
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Some slight strengthening is possible before the system reaches the coast.
Upper-level winds are expected to be marginally conducive for some additional development of this system during the next day or two, and a tropical or subtropical cyclone is likely to form during that time.
* Formation chance through 48 hours…high…80 percent
* Formation chance through 5 days…high…80 percent
Tropical-storm-force winds extend outward up to 205 miles (335 km) to the north and east of the center.
The estimated minimum central pressure is 1000 mb (29.53 inches).
…DISTURBANCE MOVING SLOWLY NORTH-NORTHWESTWARD OVER THE CENTRAL
GULF OF MEXICO…
SUMMARY OF 1000 PM CDT…0300 UTC…INFORMATION
ABOUT 325 MI…525 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER
ABOUT 380 MI…610 KM SSE OF MORGAN CITY LOUISIANA
MAXIMUM SUSTAINED WINDS…40 MPH…65 KM/H
PRESENT MOVEMENT…NNW OR 330 DEGREES AT 8 MPH…13 KM/H
MINIMUM CENTRAL PRESSURE…1000 MB…29.53 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for…
* Intracoastal City to the Mouth of the Pearl River
A Tropical Storm Watch is in effect for…
* West of Intracoastal City to High Island
A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 24 to 36 hours.
A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours.
Interests elsewhere along the U.S. Gulf Coast from the central Texas coast to the western Florida Panhandle should monitor the progress of this system.
For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office.
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected to first reach the coast within the warning area by Tuesday afternoon. Tropical storm conditions are possible in the watch area on Wednesday.
RAINFALL: The disturbance is expected to produce total rain
accumulations of 4 to 8 inches with isolated maximum amounts of 10 inches over southeastern Louisiana, southern Mississippi,
southern Alabama, and the Florida Panhandle through Wednesday evening.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.
Forecaster Stewart @ NHC
For more information, visit www.wkgc.org/weather #FPREN