403 WTNT32 KNHC 170546 TCPAT2 BULLETIN Potential Tropical Cyclone Twenty-Two Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL222023 100 AM EST Fri Nov 17 2023 ...AREAS OF HEAVY RAINS SPREADING ACROSS PORTIONS OF JAMAICA, EASTERN CUBA, AND HAITI... SUMMARY OF 100 AM EST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.0N 80.8W ABOUT 300 MI...480 KM WSW OF KINGSTON JAMAICA ABOUT 175 MI...280 KM ENE OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Jamaica * Haiti * Cuban provinces of Guantanamo, Santiago de Cuba, Holguin, Granma, and Las Tunas * Southeastern Bahamas and Turks and Caicos Islands A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 AM EST (0600 UTC), the disturbance was centered near latitude 16.0 North, longitude 80.8 West. The system is moving toward the north-northeast near 7 mph (11 km/h). A northeastward motion is expected to begin later this morning, with increasing forward speed through the weekend. On the forecast track, the center of the system is expected to move across Jamaica later today, southeastern Cuba by early Saturday, and the southeastern Bahamas and Turks and Caicos Islands on Saturday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Some strengthening is forecast during the next couple of days, and the disturbance could become a tropical storm later today or tonight. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...medium...60 percent. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Potential Tropical Cyclone Twenty-Two can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC, and on the web at hurricanes.gov/text/MIATCDAT2.shtml WIND: Tropical storm conditions are possible on Jamaica beginning later today, eastern Cuba and Haiti tonight, and the southeastern Bahamas and Turks and Caicos Islands on Saturday. RAINFALL: Potential Tropical Cyclone Twenty-Two is expected to produce storm total rainfall of 5 to 10 inches with maximum amounts of 16 inches across portions of Panama, Costa Rica, Jamaica, southeast Cuba, and Hispaniola through Sunday morning. These rains are likely to produce flash flooding, along with mudslides in areas of higher terrain. Rainfall amounts of 2 to 4 inches are expected across the southeastern Bahamas and Turks and Caicos Islands through Sunday morning. STORM SURGE: Minor coastal flooding is possible in areas of onshore winds along the southeastern coast of Cuba, the southeastern Bahamas, and the Turks and Caicos Islands. SURF: Swells generated by the disturbance are expected to affect portions of Jamaica, Haiti, and southeastern Cuba during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 AM EST. $$ Forecaster Kelly/Brown