South America - Pressure tendency (hPa last 3 hours)
Friday 12 Oct 2018 22:00 BST

Stations: 770 SLP tendency
Bird Island (2 m, Falkland Islands) + 0.5
Porto Alegre/Salgad AP (3 m, Brazil) - 1.3
Grytviken (3 m, Falkland Islands) + 2.0
Vitoria/Goiabeiras AP (4 m, Brazil) + 0.6
Aruba/Reina Beatrix AP (5 m, Netherl. Antilles) - 0.9
Hercílio Luz Intl. Airport (5 m, Brazil) - 1.4
Aeroparque Jorge Newbery (6 m, Argentina) - 0.1
Galeão Air Force Base Airport (6 m, Brazil) - 0.1
Flamingo Intl. Airport (7 m, Netherl. Antilles) - 0.2
Viedma Aero (7 m, Argentina) + 1.1
Islad Orcadas (8 m, South Orkney Islands) - 1.1
Curaçao Intl. Airport (9 m, Netherl. Antilles) + 0.2
Cayenne - Félix Eboué Air (9 m, French Guiana) + 0.6
Dolores AP (9 m, Argentina) - 0.7
Carriel Sur Intl. Airport (12 m, Chile) - 0.4
Prado (16 m, Uruguay) - 0.5
Mercedes (17 m, Uruguay) + 1.0
Sauce Viejo Airport (18 m, Argentina) + 0.5
Rocha (18 m, Uruguay) + 0.5
Valdivia/Pichoy AP (19 m, Chile) + 0.1
Río Gallegos Airport (19 m, Argentina) - 0.8
La Plata Airport (19 m, Argentina) - 0.4
San Antonio Oeste Airport (20 m, Argentina) - 0.5
Buenos Aires/Ezeiza AP (20 m, Argentina) - 0.5
Gualeguaychú Airport (21 m, Argentina) - 0.9
Astor Piazzolla Intl. Airport (21 m, Argentina) - 0.8
Río Grande (22 m, Argentina) - 1.6
Colonia del Sacramento Airport (22 m, Uruguay) - 0.6
Buenos Aires/Observatory (25 m, Argentina) - 0.1
Rosario (25 m, Argentina) + 0.4
Laguna del Sauce (28 m, Uruguay) + 0.2
Robinson Crusoe I. (30 m, Chile) - 2.3
Carrasco Intl. Airport (32 m, Uruguay) - 0.2
Comodoro Pierrestegui Airport (38 m, Argentina) + 2.1
F. D. Roosevelt Airport (40 m, Netherl. Antilles) + 0.1
Trelew Airport (43 m, Argentina) + 0.4
Punta Arenas Airport (43 m, Chile) - 1.3
Grise Fiord (45 m, Netherl. Antilles) - 0.1
Comodoro Rivadavia Airport (46 m, Argentina) - 0.7
Iquique/Diego Arac AP (48 m, Chile) - 0.5
Melilla (48 m, Uruguay) - 0.8
Resistencia Intl. Airport (52 m, Argentina) - 0.1
Reconquista (53 m, Argentina) + 0.7
Monte Caseros Airport (54 m, Argentina) + 1.2
Arica/Chacalluta AP (55 m, Chile) - 0.1
Pilar (56 m, Paraguay) + 1.8
Ushuaia Airport (57 m, Argentina) - 3.6
Niue Intl. Airport (59 m, Netherl. Antilles) + 0.7
Gral. Bruguez (60 m, Paraguay) - 0.7
Formosa Airport (60 m, Argentina) + 1.6
Puerto San Julián Airport (62 m, Argentina) - 1.5
Corrientes (62 m, Argentina) + 0.4
Osorno/canal Baj (65 m, Chile) + 0.3
Easter Island Airport (69 m, Chile) - 1.3
Paso de los Libres Airport (70 m, Argentina) + 0.0
RAF Mount Pleasant Airport (74 m, Falkland Islands) - 1.3
Santo Domingo (75 m, Chile) - 0.8
Concepción Airport (77 m, Paraguay) - 1.5
General Justo José de Urquiza Ai (78 m, Argentina) + 0.4
Puerto Deseado Airport (80 m, Argentina) - 0.7
San Pedro de Ycuamandiyú (80 m, Paraguay) - 1.8
Junín Airport (81 m, Argentina) - 0.4
Bahia Blanca AP (83 m, Argentina) - 0.8
Puerto Casado (87 m, Paraguay) - 2.5
Ceres Airport (88 m, Argentina) + 0.4
El Tepual Airport (90 m, Chile) + 0.6
Encarnación Airport (91 m, Paraguay) - 4.7
Durazno (92 m, Uruguay) - 0.0
Sáenz Peña (93 m, Argentina) + 0.0
San Carlos de Bolívar (94 m, Argentina) - 0.5
Melo Airport (100 m, Uruguay) - 3.0
Asuncion/Silvio Pet AP (101 m, Paraguay) - 2.0
Marcos Juárez Airport (114 m, Argentina) - 0.7
Tres Arroyos Airport (115 m, Argentina) - 1.2
Paraguarí (116 m, Paraguay) - 1.1
San Matías (124 m, Bolivia) - 2.3
Posadas AP (125 m, Argentina) + 0.0
San Juan Bautista (126 m, Paraguay) + 1.0
Las Lomitas (130 m, Argentina) + 0.0
Puerto Suárez Airport (134 m, Bolivia) - 2.0
Laboulaye (137 m, Argentina) - 0.4
Antofagasta/Cerro AP (140 m, Chile) - 1.2
San Ramon (140 m, Bolivia) - 1.7
San Joaquin (140 m, Bolivia) - 2.0
Magdalena (140 m, Bolivia) - 1.7
Riberalta AP (141 m, Bolivia) - 2.1
Caazapá (142 m, Paraguay) - 2.0
Santa Ana del Yacuma Airport (144 m, Bolivia) - 2.2
General Pico (145 m, Argentina) - 0.7
La Serena Airport (146 m, Chile) - 1.1
Azul Airport (147 m, Argentina) - 0.5
Chillán (148 m, Chile) - 0.3
Trinidad Airport (155 m, Bolivia) - 1.6
San Ignacio De Moxos (160 m, Bolivia) - 2.2
Cnel.Oviedo (163 m, Paraguay) - 0.4
San Estanislao (168 m, Paraguay) - 1.5
Tandil Airport (175 m, Argentina) - 0.4
Foz do Iguaçu Intl. Airport (180 m, Brazil) - 1.6
Mariscal AP (181 m, Paraguay) - 0.2
Santa Rosa Airport (191 m, Argentina) - 0.7
San Borja (194 m, Bolivia) - 2.1
Santiago del Estero Airport (199 m, Argentina) + 0.5
El Calafate Aero (204 m, Argentina) + 0.0
Rurrenabaque (204 m, Bolivia) - 1.3
Curico/Gen Freire AP (220 m, Chile) - 1.0
Santa Rosa de Yacuma Airport (225 m, Bolivia) - 3.5
Cobija (235 m, Bolivia) - 2.0
Guaraní Intl. Airport (236 m, Paraguay) - 1.7
Rivera (242 m, Uruguay) - 0.8
Ascencion De Guarayos (247 m, Bolivia) - 1.6
Cataratas del Iguazú Intl. Airpo (270 m, Argentina) - 1.6
Neuquén Airport (271 m, Argentina) - 0.9
Roboré (276 m, Bolivia) - 1.6

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2018