South America - Pressure tendency (hPa last 3 hours)
Tuesday 26 Sep 2017 16:00 BST

Stations: 370 SLP tendency
Aeroparque Jorge Newbery (6 m, Argentina) - 0.1
Afonso Pena Intl. Airport (908 m, Brazil) - 1.3
Antofagasta/Cerro AP (140 m, Chile) - 0.2
Arica/Chacalluta AP (55 m, Chile) - 0.4
Artigas Airport (120 m, Uruguay) - 0.8
Aruba/Reina Beatrix AP (5 m, Netherl. Antilles) - 1.1
Ascencion De Guarayos (247 m, Bolivia) - 0.6
Astor Piazzolla Intl. Airport (21 m, Argentina) - 1.5
Asuncion/Silvio Pet AP (101 m, Paraguay) - 0.9
Azul Airport (147 m, Argentina) - 0.0
Bahia Blanca AP (83 m, Argentina) - 0.3
Balmaceda Airport (522 m, Chile) - 1.9
Bariloche Airport (840 m, Argentina) - 1.3
Baures (144 m, Bosnia and Herzegovina) - 1.2
Bermejo (381 m, Bolivia) - 1.7
Bird Island (2 m, Falkland Islands) - 2.0
Buenos Aires/Ezeiza AP (20 m, Argentina) - 0.5
Buenos Aires/Observatory (25 m, Argentina) - 0.0
Córdoba Airport (474 m, Argentina) - 1.5
Caazapá (142 m, Paraguay) - 0.9
Calama (2320 m, Chile) - 0.7
Camiri (798 m, Bolivia) - 1.1
Campo Grande Airport (567 m, Brazil) - 0.9
Capitán Meza (248 m, Paraguay) - 0.0
Carrasco Intl. Airport (32 m, Uruguay) - 0.4
Carriel Sur Intl. Airport (12 m, Chile) - 0.8
Catamarca AP (454 m, Argentina) - 1.1
Cataratas del Iguazú Intl. Airpo (270 m, Argentina) - 1.1
Ceres Airport (88 m, Argentina) - 2.1
Chamical Airport (461 m, Argentina) - 1.7
Chillán (148 m, Chile) - 0.8
Cnel.Oviedo (163 m, Paraguay) - 0.4
Cobija (235 m, Bolivia) - 0.4
Cochrane (196 m, Chile) - 2.1
Colonia del Sacramento Airport (22 m, Uruguay) - 0.1
Comodoro Pierrestegui Airport (38 m, Argentina) - 1.6
Comodoro Rivadavia Airport (46 m, Argentina) - 1.5
Concepción (497 m, Bolivia) - 0.1
Concepción Airport (77 m, Paraguay) - 0.9
Corrientes (62 m, Argentina) - 0.9
Coyhaique (311 m, Chile) - 2.1
Curaçao Intl. Airport (9 m, Netherl. Antilles) - 0.9
Curico/Gen Freire AP (220 m, Chile) - 0.9
Dolores AP (9 m, Argentina) - 0.8
Domingo Faustino Sarmiento Airport (597 m, Argentina) - 0.8
Durazno (92 m, Uruguay) - 0.7
Easter Island Airport (69 m, Chile) - 1.1
El Bolsón (337 m, Argentina) - 1.6
El Calafate Aero (204 m, Argentina) - 1.6
El Tepual Airport (90 m, Chile) - 0.2
El Trompillo Airport (418 m, Bolivia) - 0.7
Encarnación Airport (91 m, Paraguay) - 0.7
Esquel Airport (797 m, Argentina) - 1.6
F. D. Roosevelt Airport (40 m, Netherl. Antilles) - 0.8
Flamingo Intl. Airport (7 m, Netherl. Antilles) - 1.2
Florida (96 m, Uruguay) - 0.6
Formosa Airport (60 m, Argentina) - 1.4
Foz do Iguaçu Intl. Airport (180 m, Brazil) - 1.1
Galeão Air Force Base Airport (6 m, Brazil) - 2.8
General Justo José de Urquiza Ai (78 m, Argentina) - 1.5
General Pico (145 m, Argentina) - 1.1
Gral. Bruguez (60 m, Paraguay) - 0.0
Grise Fiord (45 m, Netherl. Antilles) - 0.2
Grytviken (3 m, Falkland Islands) - 2.5
Gualeguaychú Airport (21 m, Argentina) - 0.4
Guaraní Intl. Airport (236 m, Paraguay) - 1.1
Hercílio Luz Intl. Airport (5 m, Brazil) - 1.7
Iquique/Diego Arac AP (48 m, Chile) - 0.1
Islad Orcadas (8 m, South Orkney Islands) - 1.5
Jorge Wilstermann Intl. Airport (2548 m, Bolivia) - 0.2
Jujuy AP (920 m, Argentina) - 1.9
Junín Airport (81 m, Argentina) - 1.2
La Paz/JFK (IAP) (4038 m, Bolivia) - 0.1
La Plata Airport (19 m, Argentina) - 0.0
La Quiaca (3459 m, Argentina) - 0.7
La Rioja Airport (429 m, Argentina) - 0.3
La Serena Airport (146 m, Chile) - 1.2
Laboulaye (137 m, Argentina) - 0.5
Laguna del Sauce (28 m, Uruguay) - 0.5
Las Flores (38 m, Argentina) - 1.3
Las Lomitas (130 m, Argentina) - 0.9
Magdalena (140 m, Bolivia) - 0.5
Malargüe Airport (1425 m, Argentina) - 0.7
Maquinchao (888 m, Argentina) - 1.9
Marcos Juárez Airport (114 m, Argentina) - 0.7
Maripasoula (106 m, French Guiana) - 0.1
Mariscal AP (181 m, Paraguay) - 1.1
Melilla (48 m, Uruguay) - 0.2
Melo Airport (100 m, Uruguay) - 0.1
Mendoza Airport (704 m, Argentina) - 1.2
Mercedes (17 m, Uruguay) - 0.8
Mount Byron (480 m, Falkland Islands) - 0.1
Neuquén Airport (271 m, Argentina) - 0.4
Niue Intl. Airport (59 m, Netherl. Antilles) - 1.0
Nueva Hesperides Intl. Airport (33 m, Uruguay) - 1.2
Oran Aero (357 m, Argentina) - 2.3
Oruro (3702 m, Bolivia) - 0.0
Osorno/canal Baj (65 m, Chile) - 0.5
Paraguarí (116 m, Paraguay) - 1.0
Paso de los Libres Airport (70 m, Argentina) - 1.3
Paso de los Toros (75 m, Uruguay) - 1.4
Paysandú (61 m, Uruguay) - 1.3
Pedro Juan Caballero (563 m, Paraguay) - 0.9
Perito Moreno Airport (429 m, Argentina) - 2.3
Pilar (56 m, Paraguay) - 1.8
Pilar Observatorio (338 m, Argentina) - 1.7
Porto Alegre/Salgad AP (3 m, Brazil) - 1.9
Posadas AP (125 m, Argentina) - 1.1
Potosí (3935 m, Bolivia) - 0.4
Pozo Colorado (100 m, Paraguay) - 1.0
Prado (16 m, Uruguay) - 0.5
Pudahuel/Arturo Mer AP (474 m, Chile) - 0.3
Puerto Casado (87 m, Paraguay) - 1.0
Puerto Deseado Airport (80 m, Argentina) - 1.1
Puerto San Julián Airport (62 m, Argentina) - 1.9
Puerto Suárez Airport (134 m, Bolivia) - 0.1
Punta Arenas Airport (43 m, Chile) - 1.7
Punta del Este (15 m, Uruguay) - 0.5
Quinta Normal (520 m, Chile) - 0.3
Río Gallegos Airport (19 m, Argentina) - 2.3
RAF Mount Pleasant Airport (74 m, Falkland Islands) - 0.3
Reconquista (53 m, Argentina) - 1.5
Resistencia Intl. Airport (52 m, Argentina) - 1.1
Reyes (280 m, Bolivia) - 2.6
Riberalta AP (141 m, Bolivia) - 0.4
Rio Cuarto AP (421 m, Argentina) - 1.7
Rivera (242 m, Uruguay) - 0.2
Robinson Crusoe I. (30 m, Chile) - 0.9
Roboré (276 m, Bolivia) - 0.5
Rocha (18 m, Uruguay) - 0.9
Rosario (25 m, Argentina) - 0.9
Rurrenabaque (204 m, Bolivia) - 2.1
Sáenz Peña (93 m, Argentina) - 1.3
Saint Georges De L'Oyapock (7 m, French Guiana) - 0.1
Saint-Laurent-du-Maroni (9 m, French Guiana) - 0.1
Salta Airport (1221 m, Argentina) - 1.6
Salto del Guairá (300 m, Paraguay) - 0.5
San Antonio Oeste Airport (20 m, Argentina) - 1.2
San Borja (194 m, Bolivia) - 2.7
San Estanislao (168 m, Paraguay) - 2.4
San Ignacio De Moxos (160 m, Bolivia) - 2.5
San Ignacio de Velasco (413 m, Bolivia) - 1.0
San Javier (534 m, Bolivia) - 0.4
San Joaquin (140 m, Bolivia) - 1.2
San José de Chiquitos (284 m, Bolivia) - 0.0
San Juan Bautista (126 m, Paraguay) - 0.0
San Luis Airport (713 m, Argentina) - 0.5
San Martín (653 m, Argentina) - 0.9
San Matías (124 m, Bolivia) - 1.0
San Pedro de Ycuamandiyú (80 m, Paraguay) - 1.6
San Rafael Airport (748 m, Argentina) - 0.7
San Ramon (140 m, Bolivia) - 1.0
Santa Ana del Yacuma Airport (144 m, Bolivia) - 1.0
Santa Rosa Airport (191 m, Argentina) - 0.8
Santa Rosa de Yacuma Airport (225 m, Bolivia) - 2.3
Santiago del Estero Airport (199 m, Argentina) - 1.5
Santo Domingo (75 m, Chile) - 0.3
Sao Paulo AP (803 m, Brazil) - 1.5
Sauce Viejo Airport (18 m, Argentina) - 0.5
Tandil Airport (175 m, Argentina) - 0.3
Tarija AP (1854 m, Bolivia) - 1.8
Tartagal Airport (450 m, Argentina) - 1.5
Treinta y Tres Airport (46 m, Uruguay) - 0.8
Trelew Airport (43 m, Argentina) - 1.6
Tres Arroyos Airport (115 m, Argentina) - 0.5
Trinidad Airport (155 m, Bolivia) - 1.8
Tucuman/Teniente AP (450 m, Argentina) - 1.5
Ushuaia Airport (57 m, Argentina) - 2.4
Valdivia/Pichoy AP (19 m, Chile) - 1.0
Vallegrande (1998 m, Bolivia) - 0.2
Viedma Aero (7 m, Argentina) - 0.8
Villa Dolores Airport (569 m, Argentina) - 0.0
Villa Reynolds Airport (486 m, Argentina) - 1.2
Villa de María del Río Se (341 m, Argentina) - 2.0
Villarrica (161 m, Paraguay) - 0.3
Viru Viru (IAP) (373 m, Bolivia) - 0.7
Vitoria/Goiabeiras AP (4 m, Brazil) - 1.6
Yacuiba Airport (645 m, Bolivia) - 1.0
Young (80 m, Uruguay) - 1.0

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2017