South America - Pressure tendency (hPa last 3 hours)
Thursday 22 Jul 2021 12:00 NZST

Stations: 509 SLP tendency
Trindade (Ilha) (5 m, Brazil) + 0.5
Calcanhar (14 m, Brazil) + 1.5
Grytviken (3 m, Falkland Islands) + 1.4
Bird Island (2 m, Falkland Islands) + 0.8
Abrolhos Archipelago (38 m, Brazil) + 0.5
Vitoria/Goiabeiras AP (4 m, Brazil) + 1.3
Vitória (36 m, Brazil) + 1.7
Macaé (2 m, Brazil) + 1.0
Caparaó (843 m, Brazil) + 1.2
Itaperuna (123 m, Brazil) + 1.4
IlhaRasa (75 m, Brazil) + 0.0
Rio de Janeiro Airport (3 m, Brazil) + 0.9
Galeão Air Force Base Airport (6 m, Brazil) + 1.1
Juiz de Fora Airport (939 m, Brazil) + 1.1
Santa Cruz AERO (3 m, Brazil) + 1.1
Islad Orcadas (8 m, South Orkney Islands) + 2.8
Divinópolis (788 m, Brazil) + 1.4
São José dos Campos (646 m, Brazil) + 1.5
Guarulhos Airport (750 m, Brazil) + 1.5
Marte Civ / Mil (722 m, Brazil) + 1.7
Sao Paulo AP (803 m, Brazil) + 1.5
Campinas/Viracopos AP (661 m, Brazil) + 1.5
Pirassununga (598 m, Brazil) + 1.6
Salinópolis (14 m, Brazil) + 0.5
Franca (1026 m, Brazil) + 1.9
São Simão (617 m, Brazil) + 1.3
Leite Lopes Airport (549 m, Brazil) + 2.3
Hercílio Luz Intl. Airport (5 m, Brazil) + 2.0
Navegantes Airport (5 m, Brazil) + 2.0
Joinville-Lauro Carneiro de Loyola Airp (4 m, Brazil) + 2.4
Santa Marta (45 m, Brazil) + 1.8
Bauru Airport (615 m, Brazil) + 1.7
Afonso Pena Intl. Airport (908 m, Brazil) + 1.7
Bacacheri (932 m, Brazil) + 1.9
Bom Jesus (1048 m, Brazil) + 1.0
Ivaí (808 m, Brazil) + 0.0
Mostardas (5 m, Brazil) + 1.5
Londrina Airport (569 m, Brazil) + 1.2
Porto Alegre (8 m, Brazil) + 1.0
Canoas (9 m, Brazil) + 2.3
Caxias do Sul Airport (754 m, Brazil) + 1.9
Porto Alegre/Salgad AP (3 m, Brazil) + 2.2
Presidente Prudente (450 m, Brazil) + 1.2
Saint Georges De L'Oyapock (7 m, French Guiana) + 2.8
Maringá Airport (545 m, Brazil) + 1.0
Passo Fundo/Lauro AP (684 m, Brazil) + 1.0
Santa Vitória do Palmar (24 m, Brazil) + 1.3
Chuí (13 m, Brazil) + 0.9
Cruz Alta (464 m, Brazil) + 0.0
Santa Maria Airport (85 m, Brazil) + 1.7
Santa Maria (95 m, Brazil) + 0.7
Saint-Laurent-du-Maroni (9 m, French Guiana) + 2.4
Maripasoula (106 m, French Guiana) + 2.9
Bagé (242 m, Brazil) + 1.0
Rocha (18 m, Uruguay) + 1.5
Salto del Guairá (300 m, Paraguay) + 0.5
Cataratas del Iguazú Intl. Airpo (270 m, Argentina) + 0.9
Foz do Iguaçu Intl. Airport (180 m, Brazil) + 1.0
Campo Grande Airport (567 m, Brazil) + 1.5
Guaraní Intl. Airport (236 m, Paraguay) + 0.8
São Luiz Gonzaga (245 m, Brazil) + 1.0
Laguna del Sauce (28 m, Uruguay) + 1.3
Capitán Meza (248 m, Paraguay) + 1.7
Pedro Juan Caballero (563 m, Paraguay) + 1.3
Posadas AP (125 m, Argentina) + 1.2
Carrasco Intl. Airport (32 m, Uruguay) + 1.0
Prado (16 m, Uruguay) + 1.1
Caazapá (142 m, Paraguay) - 0.3
Cnel.Oviedo (163 m, Paraguay) + 1.2
Villarrica (161 m, Paraguay) + 2.0
San Estanislao (168 m, Paraguay) + 1.6
Quyquyhó (141 m, Paraguay) + 0.7
San Pedro de Ycuamandiyú (80 m, Paraguay) + 0.0
Paso de los Libres Airport (70 m, Argentina) + 0.9
San Juan Bautista (126 m, Paraguay) + 1.8
Concepción Airport (77 m, Paraguay) + 1.0
Astor Piazzolla Intl. Airport (21 m, Argentina) + 0.8
Asuncion/Silvio Pet AP (101 m, Paraguay) + 1.3
Monte Caseros Airport (54 m, Argentina) + 0.9
Dolores AP (9 m, Argentina) + 0.7
Puerto Casado (87 m, Paraguay) + 0.0
La Plata Airport (19 m, Argentina) + 0.8
Comodoro Pierrestegui Airport (38 m, Argentina) + 1.5
Mercedes (17 m, Uruguay) + 1.0
Mount Kent (458 m, Falkland Islands) - 0.6
Bahia Negra (96 m, Paraguay) - 2.8
Formosa Airport (60 m, Argentina) + 1.3
Pilar (56 m, Paraguay) - 0.3
Aeroparque Jorge Newbery (6 m, Argentina) + 0.8
RAF Mount Pleasant Airport (74 m, Falkland Islands) - 0.1
Buenos Aires/Observatory (25 m, Argentina) + 0.8
Buenos Aires/Ezeiza AP (20 m, Argentina) + 0.7
San Fernando de la Buena Vista (3 m, Argentina) + 0.8
Gualeguaychú Airport (21 m, Argentina) + 0.7
Corrientes (62 m, Argentina) + 0.8
Pozo Colorado (100 m, Paraguay) + 1.2
Gral. Bruguez (60 m, Paraguay) + 0.6
Resistencia Intl. Airport (52 m, Argentina) + 0.8
Las Flores (38 m, Argentina) + 0.8
Tandil Airport (175 m, Argentina) + 0.8
Reconquista (53 m, Argentina) + 1.2
Azul Airport (147 m, Argentina) + 0.9
Tres Arroyos Airport (115 m, Argentina) + 0.8
General Justo José de Urquiza Ai (78 m, Argentina) + 0.8
Sáenz Peña (93 m, Argentina) + 1.1
Mount Byron (480 m, Falkland Islands) - 0.8
Las Lomitas (130 m, Argentina) + 0.7
Mariscal AP (181 m, Paraguay) + 1.3
Rosario (25 m, Argentina) + 0.1
Sauce Viejo Airport (18 m, Argentina) + 0.5
Junín Airport (81 m, Argentina) + 0.7
San Carlos de Bolívar (94 m, Argentina) + 0.9
Ceres Airport (88 m, Argentina) + 1.7
Marcos Juárez Airport (114 m, Argentina) + 1.3
Bahia Blanca AP (83 m, Argentina) + 0.8
F. D. Roosevelt Airport (40 m, Netherl. Antilles) + 1.2
Viedma Aero (7 m, Argentina) + 0.3
Viru Viru (IAP) (373 m, Bolivia) + 1.5
Laboulaye (137 m, Argentina) + 1.2
Villa de María del Río Se (341 m, Argentina) + 2.4
General Pico (145 m, Argentina) + 1.5
Tartagal Airport (450 m, Argentina) + 1.7
Pilar Observatorio (338 m, Argentina) + 2.3
Córdoba Airport (474 m, Argentina) + 2.0
Rio Cuarto AP (421 m, Argentina) + 1.9
Santa Rosa Airport (191 m, Argentina) + 1.1
Santiago del Estero Airport (199 m, Argentina) + 1.6
Oran Aero (357 m, Argentina) + 1.6
Tarija AP (1854 m, Bolivia) + 1.8
San Antonio Oeste Airport (20 m, Argentina) + 0.9
Jujuy AP (920 m, Argentina) + 1.6
Tucuman/Teniente AP (450 m, Argentina) + 1.7
Villa Dolores Airport (569 m, Argentina) + 0.5
Trelew Airport (43 m, Argentina) + 0.3
Villa Reynolds Airport (486 m, Argentina) + 1.7
Salta Airport (1221 m, Argentina) + 1.5
La Quiaca (3459 m, Argentina) + 1.2
Catamarca AP (454 m, Argentina) + 1.9
Puerto Deseado Airport (80 m, Argentina) - 0.8
Jorge Wilstermann Intl. Airport (2548 m, Bolivia) + 1.8
Chamical Airport (461 m, Argentina) + 1.6
San Luis Airport (713 m, Argentina) + 2.3
La Rioja Airport (429 m, Argentina) + 1.6
Comodoro Rivadavia Airport (46 m, Argentina) + 0.4
Río Grande (22 m, Argentina) - 2.1
Puerto San Julián Airport (62 m, Argentina) - 0.1
Neuquén Airport (271 m, Argentina) + 1.6
La Paz/JFK (IAP) (4038 m, Bolivia) + 1.3

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2021