000 AXNT20 KNHC 220522 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 122 AM EDT Thu Mar 22 2018 Tropical Weather Discussion for North America, Central America Gulf of Mexico, Caribbean Sea, northern sections of South America, and Atlantic Ocean to the African coast from the Equator to 32N. The following information is based on satellite imagery, weather observations, radar and meteorological analysis. Based on 0000 UTC surface analysis and satellite imagery through 0515 UTC. ...SPECIAL FEATURES... ...ATLANTIC OCEAN GALE WARNING... A pair of cold front extends across the west Atlantic. The first is from 31N68W to 22N78W. A reinforcing front extends from 31N72W to 24N80W. Winds to minimal gale force can be expected north of 30N between 67W and 70W and continue through the next 12 hours. The fronts will merge during the next few days. The new front will continue moving east across the west-central Atlantic while weakening. Please read the High Seas Forecast, under WMO/AWIPS headers FZNT02 KNHC/HSFAT2, for more details, and the OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL NORTH ATLANTIC OCEAN AND THE CARIBBEAN SEA, listed under the WMO/AWIPS headers, FZNT23 KNHC/OFFNT3, for more details. ...GALE WARNING for the METEO-FRANCE areas... Please refer to the METEO-FRANCE High Seas Forecast, that is listed on the website: WWW.METEOFRANCE.COM/PREVISIONS-METEO- MARINE/BULLETIN/GRANDLARGE/METAREA2. Gale-force winds are forecast for the areas: AGADIR, TARFAYA, and CANARIAS. ...MONSOON TROUGH/ITCZ... The monsoon trough passes through the coast of Africa near 07N12W to 04N18W. The ITCZ continues from 04N18W to 00N46W. Scattered showers are noted within 50 nm on either side of the boundaries between 10W-30W. ...DISCUSSION... GULF OF MEXICO... The reinforcing cold front extends across the Florida Straits, western Cuba and the Yucatan Channel, ending near 21N89W. Scattered showers are notes along the front. Scatterometer data depicts moderate to fresh winds across the basin as a high pressure ridge builds behind the front. A 1023 mb high is located near 29N93W. Expect for the ridge to prevail across the basin through the next few days. CARIBBEAN SEA... Undersea volcano Kick'em Jenny, north of Grenada near 12.18N 61.38W, is in a state of unrest. The government of Grenada advises mariners to observe a 5 km or 3.1 nm exclusion zone around Kick'em Jenny. Please refer to the webpage, www.nadma.gd, for additional information. A pair of frontal boundaries are moving across the far northwest Caribbean waters with scattered showers. These fronts will merge over the western half of the basin during the next few days. The resultant front will continue moving east while weakening. High pressure in the western Atlantic Ocean will support fresh to locally strong trade winds across the south central Caribbean Sea during the next several days. Winds will reach near gale force along the NW coast of Colombia during the overnight hours. ATLANTIC OCEAN... Please read the Special Features section for information about the Gale Warning. The first front extends from 31N68W to 22N78W. A reinforcing front extends from 31N72W to 24N80W. Scattered moderate convection is observed along the first front mainly north of 30N between 65W- 68W. Expect for the fronts to merge during the next few days. The resultant front will continue moving east while weakening. A surface ridge extends from a 1036 mb high pressure center that is near 34N27W. Surface anticyclonic wind flow covers the remainder of the basin to the east of the two cold fronts. For additional information please visit http://www.hurricanes.gov/marine $$ ERA