South America - Pressure tendency (hPa last 3 hours)
Friday 30 Jul 2021 12:00 NZST

Stations: 429 SLP tendency
Trindade (Ilha) (5 m, Brazil) + 1.0
Calcanhar (14 m, Brazil) + 2.0
Grytviken (3 m, Falkland Islands) + 0.1
Bird Island (2 m, Falkland Islands) + 0.1
Abrolhos Archipelago (38 m, Brazil) + 1.5
Vitoria/Goiabeiras AP (4 m, Brazil) + 2.0
Vitória (36 m, Brazil) + 2.6
Macaé (2 m, Brazil) + 1.9
Caparaó (843 m, Brazil) + 1.0
IlhaRasa (75 m, Brazil) + 1.5
Rio de Janeiro Airport (3 m, Brazil) + 1.8
Galeão Air Force Base Airport (6 m, Brazil) + 1.7
Juiz de Fora Airport (939 m, Brazil) + 1.5
Santa Cruz AERO (3 m, Brazil) + 1.6
Islad Orcadas (8 m, South Orkney Islands) - 3.7
Divinópolis (788 m, Brazil) + 1.1
São José dos Campos (646 m, Brazil) + 2.6
Guarulhos Airport (750 m, Brazil) + 0.2
Marte Civ / Mil (722 m, Brazil) + 2.3
Sao Paulo AP (803 m, Brazil) + 1.6
Campinas/Viracopos AP (661 m, Brazil) + 0.7
Pirassununga (598 m, Brazil) + 1.6
Salinópolis (14 m, Brazil) - 0.3
Franca (1026 m, Brazil) + 0.5
São Simão (617 m, Brazil) + 1.3
Leite Lopes Airport (549 m, Brazil) + 1.2
Hercílio Luz Intl. Airport (5 m, Brazil) + 2.0
Joinville-Lauro Carneiro de Loyola Airp (4 m, Brazil) + 1.6
Santa Marta (45 m, Brazil) + 2.8
Bauru Airport (615 m, Brazil) + 1.3
Afonso Pena Intl. Airport (908 m, Brazil) + 1.3
Bacacheri (932 m, Brazil) + 1.3
Bom Jesus (1048 m, Brazil) + 0.0
Mostardas (5 m, Brazil) - 1.5
Londrina Airport (569 m, Brazil) + 0.9
Porto Alegre (8 m, Brazil) + 1.5
Canoas (9 m, Brazil) + 1.4
Porto Alegre/Salgad AP (3 m, Brazil) + 1.3
Caxias do Sul Airport (754 m, Brazil) + 1.4
Presidente Prudente (450 m, Brazil) + 1.9
Saint Georges De L'Oyapock (7 m, French Guiana) + 1.6
Maringá Airport (545 m, Brazil) + 0.4
Cayenne - Félix Eboué Air (9 m, French Guiana) + 1.7
Santa Vitória do Palmar (24 m, Brazil) + 1.3
Chuí (13 m, Brazil) - 0.1
Cruz Alta (464 m, Brazil) + 1.0
Santa Maria Airport (85 m, Brazil) + 1.2
Santa Maria (95 m, Brazil) + 1.0
Maripasoula (106 m, French Guiana) + 2.7
Saint-Laurent-du-Maroni (9 m, French Guiana) + 1.9
Bagé (242 m, Brazil) + 0.3
Rocha (18 m, Uruguay) + 1.1
Salto del Guairá (300 m, Paraguay) + 0.7
Cataratas del Iguazú Intl. Airpo (270 m, Argentina) + 0.7
Foz do Iguaçu Intl. Airport (180 m, Brazil) + 0.7
Campo Grande Airport (567 m, Brazil) + 0.4
Guaraní Intl. Airport (236 m, Paraguay) + 0.6
São Luiz Gonzaga (245 m, Brazil) + 0.7
Laguna del Sauce (28 m, Uruguay) + 1.0
Capitán Meza (248 m, Paraguay) + 0.9
Pedro Juan Caballero (563 m, Paraguay) + 0.4
Encarnación Airport (91 m, Paraguay) + 1.2
Posadas AP (125 m, Argentina) + 0.7
Prado (16 m, Uruguay) + 0.9
Caazapá (142 m, Paraguay) + 0.5
Cnel.Oviedo (163 m, Paraguay) + 0.8
Villarrica (161 m, Paraguay) + 0.2
San Estanislao (168 m, Paraguay) - 1.5
Quyquyhó (141 m, Paraguay) + 1.0
San Pedro de Ycuamandiyú (80 m, Paraguay) + 1.1
San Juan Bautista (126 m, Paraguay) + 0.5
Paso de los Libres Airport (70 m, Argentina) + 0.9
Concepción Airport (77 m, Paraguay) + 0.3
Astor Piazzolla Intl. Airport (21 m, Argentina) + 0.9
Asuncion/Silvio Pet AP (101 m, Paraguay) + 0.9
Monte Caseros Airport (54 m, Argentina) + 0.9
Dolores AP (9 m, Argentina) + 0.9
Puerto Casado (87 m, Paraguay) - 1.0
La Plata Airport (19 m, Argentina) + 0.5
Comodoro Pierrestegui Airport (38 m, Argentina) + 0.7
Mercedes (17 m, Uruguay) - 0.9
Formosa Airport (60 m, Argentina) + 0.5
Pilar (56 m, Paraguay) + 0.5
Aeroparque Jorge Newbery (6 m, Argentina) + 0.4
RAF Mount Pleasant Airport (74 m, Falkland Islands) - 2.3
Buenos Aires/Observatory (25 m, Argentina) + 0.4
Buenos Aires/Ezeiza AP (20 m, Argentina) + 0.1
San Fernando de la Buena Vista (3 m, Argentina) + 0.4
Gualeguaychú Airport (21 m, Argentina) + 0.0
Corrientes (62 m, Argentina) + 0.4
Pozo Colorado (100 m, Paraguay) - 0.8
Gral. Bruguez (60 m, Paraguay) + 1.4
Resistencia Intl. Airport (52 m, Argentina) + 0.4
Las Flores (38 m, Argentina) + 0.3
Tandil Airport (175 m, Argentina) + 0.7
Reconquista (53 m, Argentina) + 0.5
Azul Airport (147 m, Argentina) + 0.7
Tres Arroyos Airport (115 m, Argentina) + 0.4
General Justo José de Urquiza Ai (78 m, Argentina) + 0.4
Sáenz Peña (93 m, Argentina) + 0.5
Mount Byron (480 m, Falkland Islands) - 2.2
Mount Alice (361 m, Falkland Islands) - 0.9
Las Lomitas (130 m, Argentina) + 0.9
Mariscal AP (181 m, Paraguay) + 1.1
Rosario (25 m, Argentina) + 0.3
Sauce Viejo Airport (18 m, Argentina) + 0.3
Junín Airport (81 m, Argentina) + 0.7
San Carlos de Bolívar (94 m, Argentina) + 0.3
Ceres Airport (88 m, Argentina) + 0.3
Marcos Juárez Airport (114 m, Argentina) + 0.0
Bahia Blanca AP (83 m, Argentina) + 0.4
F. D. Roosevelt Airport (40 m, Netherl. Antilles) + 1.1
Viedma Aero (7 m, Argentina) - 0.8
Viru Viru (IAP) (373 m, Bolivia) + 0.9
Laboulaye (137 m, Argentina) + 0.5
Villa de María del Río Se (341 m, Argentina) + 0.8
General Pico (145 m, Argentina) + 0.1
Tartagal Airport (450 m, Argentina) + 1.2
Pilar Observatorio (338 m, Argentina) + 0.7
Córdoba Airport (474 m, Argentina) + 0.9
Rio Cuarto AP (421 m, Argentina) + 0.4
Santa Rosa Airport (191 m, Argentina) + 0.4
Santiago del Estero Airport (199 m, Argentina) + 0.8
Oran Aero (357 m, Argentina) + 1.6
Tarija AP (1854 m, Bolivia) + 1.9
San Antonio Oeste Airport (20 m, Argentina) - 0.7
Jujuy AP (920 m, Argentina) + 1.7
Tucuman/Teniente AP (450 m, Argentina) + 0.9
Villa Dolores Airport (569 m, Argentina) + 0.5
Trelew Airport (43 m, Argentina) - 1.6
Villa Reynolds Airport (486 m, Argentina) + 0.0
Salta Airport (1221 m, Argentina) + 1.7
La Quiaca (3459 m, Argentina) + 2.1
Catamarca AP (454 m, Argentina) + 1.1
Puerto Deseado Airport (80 m, Argentina) - 2.4
Jorge Wilstermann Intl. Airport (2548 m, Bolivia) + 2.8
Chamical Airport (461 m, Argentina) + 2.8
San Luis Airport (713 m, Argentina) + 0.4
La Rioja Airport (429 m, Argentina) + 0.8
Comodoro Rivadavia Airport (46 m, Argentina) - 2.0
Río Grande (22 m, Argentina) - 0.7
Puerto San Julián Airport (62 m, Argentina) - 1.2
Neuquén Airport (271 m, Argentina) - 0.4
La Paz/JFK (IAP) (4038 m, Bolivia) + 1.0
Flamingo Intl. Airport (7 m, Netherl. Antilles) + 0.7
Ushuaia Airport (57 m, Argentina) + 0.3
San Rafael Airport (748 m, Argentina) + 0.5
San Martín (653 m, Argentina) + 0.8
Domingo Faustino Sarmiento Airport (597 m, Argentina) + 0.5
Maquinchao (888 m, Argentina) - 0.5
Mendoza Airport (704 m, Argentina) + 0.4
Curaçao Intl. Airport (9 m, Netherl. Antilles) + 1.0
Río Gallegos Airport (19 m, Argentina) - 0.7
Malargüe Airport (1425 m, Argentina) + 0.7
Aruba/Reina Beatrix AP (5 m, Netherl. Antilles) + 1.0
Iquique/Diego Arac AP (48 m, Chile) + 0.9
Arica/Chacalluta AP (55 m, Chile) + 1.8
Antofagasta/Cerro AP (140 m, Chile) + 0.7
Quinta Normal (520 m, Chile) - 1.3
Desierto de Atacama Airport (210 m, Chile) + 1.2
Pudahuel/Arturo Mer AP (474 m, Chile) + 1.4
Punta Arenas Airport (43 m, Chile) - 0.8
Perito Moreno Airport (429 m, Argentina) - 1.0
Esquel Airport (797 m, Argentina) - 1.7
Bariloche Airport (840 m, Argentina) - 0.7
La Serena Airport (146 m, Chile) + 1.4
El Bolsón (337 m, Argentina) - 1.2
Santo Domingo (75 m, Chile) + 0.6
El Calafate Aero (204 m, Argentina) - 0.7
Coyhaique (311 m, Chile) - 0.2
Araucania (0 m, Chile) + 1.0
Carriel Sur Intl. Airport (12 m, Chile) + 1.1
El Tepual Airport (90 m, Chile) + 0.1

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2021