Keywords: Aalborg; Aasiaat; Aberdeen/Reg., Sd.; Aberdeen Proving Grounds, Md.; Aberporth; Abha; Abidjan; Abu Dhabi Inter. Airport; Abu Hamed; Abuja; Acapulco, Gro.; Accra; Adana/Bolge; Addis Ababa-Bole; Adelaide Airport; Aden; Adrar; Aerop.Internacional Merida, Yuc; Aerop. Internacional Mexico, D.F.; Afghanistan; Agadez; Agadir; Agadir Al Massira; Agalega; Agartala; Agra; Ahmadabad; Ahwaz; Ajaccio; Akita; Aktobe; Albany Airport; Albany County Airport, Ny.; Albemarle; Albuquerque/Int., Nm.; Aldan; Aleksandrovskoe; Aleksandrovsk-Sahalinskij; Aleppo International Aeroport; Alert Ua, Nu; Alexandria/Nouzha; Algeria; Al Hoceima; Alice Springs Airport; Allahabad/Bamhrauli; Al-Madinah; Almaty; Al-Qaisumah; Alta Floresta; Altai; Altay; Altenstadt; Amarillo/Intl., Tx.; Ambala; Ambon/Pattimura; Amderma; American Samoa; Amritsar; Amundsen-Scott; Anadyr; Anchorage/Int., Ak; Angarsk; Angola; Ankara/Central; Annaba; Annette Island, Ak; Anqing; Antalaha; Antananarivo/Ivato; Antarctica; Antarctica, East; Antarctica, west; Antigua and Barbuda; Antofagasta; Apia; Arad; Arctic Ocean; Argentina; ArhangelSk; Armenia; Arvaiheer; Ashgabat; Asmara; Asswan; Astrahan; Asuncion/Aeropuerto; Atar; Athalassa; Athinai airport; Atuona; Atyrau; Aurangabad Chikalthan Aerodrome; Australia; Austria; Avon Park Gunnery Range, Fl.; AWIPEV; AWIPEV_based; Ayan; Azerbaijan; Bacau; Baengnyeongdo; Bagdarin; Baghdad; Baguio; Bahamas, The; Baharia; Bahraich; Bahrain; Baise; Baker Lake Ua, Nwt; Balhash; Balikpapan/Sepinggan; Bamako/Senou; Banda Aceh/Blang Bintang; Bandarabbass; Bandung/Husein; Bangalore; Bangassou; Bangkok; Bangladesh; Bangui; Banjarmasin/Syamsudin Noor; Banyuwangi; Barabinsk; Barbados; Barcelona; Bareilly; Barisal; Bar Khan; Barnaul; Barquisimeto; Barrow/W. Post W. Rogers; Basco; Base Marambio; Basrah; Batouri; Bau-Bau/Beto Ambari; Bauerfield; Beauvecchain; Bechar; Beijing; Beitbridge; Bejaia-Aeroport; Belem; Belgium; Belize; Belize/Phillip Goldston Intl. Airport; Bellingshausen; Belo Horizonte(Confins); Bengkulu/Padang Kemiling; Beni-Abbes; Beni-Mellal; Benin; Benina; Beograd/Kosutnjak; Berberati; Bergen; Bermuda Naval Air Station Kindley; Bet Dagan; Bethel/Bethel Airport, Ak; Bethlehem; Beyrouth; Bhagalpur; Bhopal/Bairagarh; Bhubaneswar; Bhuj-Rudramata; Biak/Frans Kaisiepo; Bikaner; Bilma; Bima/M.Salahuddin; Bintulu; Birjand; Birmingham, Al; Bir Moghrein; Birni-NKonni; Bishkek; Biskra; Bismarck/Mun., Nd.; Bitam; Bizerte; Bjornoya; Blacksburg, Va.; Blagovescensk; Bloemfontein Airport; Boa Vista; Bobo-Dioulasso; Bodo; Bogota/Eldorado; Bogra; Bogucany; Boise/Mun., Id.; Bolivia; Bologoe; Bombay / Santacruz; Bom Jesus Da Lapa; Bor; Bora-Bora; Bordeaux Merignac; Borzya; Bosnia-Herzegowina; Bossangoa; Botswana; Bouar; Brasilia; Bratsk; Brazil; Brazzaville /Maya-Maya; Brest; Brindisi; Brisbane Aero; British Indian Ocean Territory; Brize Norton; Brno-Sokolnice; Broadview, Sask; Broome Airport; Brownsville/Int., Tx; Brunei; Brunei Airport; Bucuresti Inmh-Banesa; Budapest/Pestszentlorinc; Buffalo/Greater Buffalo Int., Ny.; Buffalo Range; Bukoba; Bulawayo; Bulgaria; Burkina Faso; Butterworth; Byelarus; Cagliari/Elmas; Cairns Aero; Calcutta/Dum Dum; Calgary IntL, Alta; Camaguey, Camaguey; Ca Mau; Camborne; Cambridge Bay Ua, Nwt; Cameroon; Campo Grande; Canada; Canberra Airport; Cancun; Cape Kennedy, Fl.; Capel Dewi; Cape San Blas, Fl.; Cape Town Intnl. Airport; Caracas/Maiquetia Aerop. Intl. Simon Bolivar; Caravelas; Caribou/Mun., Me.; Carnarvon Airport; Car Nicobar; Carolina; Casablanca; Casa Blanca, La Habana; Casey; Castor Bay; Cayman Islands; Ceduna Amo; Central African Republic; Chad; Changchun; Changsha; Chanhassen, Mn.; Chanthaburi; Chara; Charleston/Mun., Sc.; Charleville Aero; Chatham, Ma.; Chatham Island; Chenzhou; Chernivtsi; Cherskij; Chhor; Chiang Mai; Chichijima; Chifeng; Chihuahua, Chih.; Chile; Chileka; China; China Lake, Naf, Ca.; Chita; Chitral; Chittagong; Choibalsan; Chokurdah; Chongqing; Christmas Island; Churchill Ua, Man; Chuuk, Eci; Cilacap; Cirebon/Jatiwangi; Ciudad Bolivar; Claiborne Range, La.; Cluj-Napoca; Cobar Mo; Cochin/Willingdon; Coco Island; Cocos (Keeling) Islands; Cocos Island Aero; Coffs Harbour Mo; Cold Bay, Ak; Cold Lake A, Alta; Colombia; Colombo; Colonia Juan Carrasco Mazatlan, Sin.; Comodoro Rivadavia Aero; Comoros; Conakry; Concordia; Congo; Constantine; Cook Islands; Coolidge Field, Antigua; Coral Harbour Ua, Nwt; Cordoba Aero; Corozal Oeste; Corpus Christi/Int., Tx.; Corumba; Costa Rica; Cotonou; CoxS Bazar; Croatia; Cuba; Cuiaba; Cuneo-Levaldigi; Curitiba; Curug/Budiarto; Cuyo; Cwc Vishakhapatnam/Waltair; Cyprus; Czech Republic; Dakar/Yoff; Dakhla; Dal Bandin; Dalian; DalNerechensk; Damascus International Airport; Damazine; Dammam Airport; Da Nang; Danmarkshavn; Dar-El-Beida; Dar Es Salaam Airport; Darwin Airport; Date; Davao Airport; Davis; Dawei; De Aar; De Bilt; Dehradun; Deleted - No Obs; Del Rio/Int., Tx.; Denmark; Denpasar/Ngurah Rai; Denver/Stapleton Int., Co.; Dera Ismail Khan; Dhahran; Dhaka; Dibrugarh /Mohanbari; Diego Garcia; Diego-Suarez; Dilli/Dilli Airport; Dilli/Komoro; Divnoe; Diyarbakir-Bolge; Djambala; Djanet; Djelfa; Djerba Mellita; Djibouti; Dodge City/Mun., Ks.; Dodoma; Doha International Airport; Dolisie; Dominican Republic; Dongola; Douala R.S.; Drobeta Turnu Severin; Drosh; Dulan; Dumont DUrville; Dundo; Dunhuang; Duration, number of days; Durban Intnl. Airport; Dushanbe; Dzaoudzi/Pamanzi; East London; East Sale Airport; Ecuador; Edmonton Namao Alta; Edmonton Stony Plain; Edmonton Stony Plain Cs, Alta; Edwards Afb, Ca.; Egypt; Eilat; Ejin Qi; Ekimchan; Ekofisk; El Arish; El Borma; Eldoret; Elevation of event; El Fasher; El-Golea; Elko, Nv.; El Obeid; El-Oued; El Salvador; Elsenborn; El Tor; Embu; Emden-Flugplatz; EmelJanovo; Empalme, Son.; Enisejsk; Enshi; ERA-CLIM; Erbogacen; Erenhot; Eritrea; Errachidia; Erzurum Bolge; Esfahan; Esperance; Essen; Estonia; Ethiopia; Eucla; Eureka Ua, Nwt; European Reanalysis of Global Climate Observations; Event label; Ezeiza Aero; Fairbanks/Int., Ak; Falkland Islands; Farafra; Faroe Islands; Federated States of Micronesia; Feni; Fernando De Noronha; Fianarantsoa; Fiji; Finland; Flagstaff, Az; Floriano; Florianpolis; Fortaleza; Fort Benning, Ga; Fort Carson, Co.; Fort-Dauphin; Fort Hood, Tx.; Fort Huachuca, Az.; Fort Nelson Ua, Bc; Fort Riley, Ks.; Fort Sill, Ok.; Fort Smith Ua, Nwt; Fort Stewart Reservation, Ga; Fort Wayne/Mun., Baer Fld., In.; Fort Worth, Tx.; Foz Do Iguacu; France; French Guyana; French Polynesia; French Southern & Antarctic Lands; Fritzlar-Kasseler Warte; Ft.Knox, Ky.; FuaAmotu; Fukuoka; Funafuti; Funchal; Fuyang; Fuzhou; Gabon; Gadag; Gafsa; Gagetown; Galati; Galeao; Gan; Ganzhou; Gao; Garissa; Garoua; Garze; Gauhati; Gaya; Gaylord, Mi.; George Airport; Georgia; Geraldton Airport; Germany; Germany, Schleswig-Holstein; Geser; Ghana; Ghardaia; Gibraltar; Giles Meteorological Office; Gisborne Aerodrome; Glasgow/Int., Mt.; Gmo Im.E.K. Fedorova; Goa/Dabolim Airport; Goa/Panjim; Gokwe; Golmud; Gomel; Goose Bay, Nfld; Gopalpur; Gorakhpur; Gorontalo/Jalaluddin; Gosan; Goteborg/Landvetter; Gough Island; Gove Airport; Grand Junction/Walker Field, Co.; Grantley Adams; Gray, Me.; Graz-Thalerhof-Flughafen; Great Falls, Mt.; Greece; Green Bay/A.-Straubel, Wi.; Greenland; Greensboro/G.-High Pt., Nc.; Greifswald; Guadalajara, Jal.; Guadeloupe; Guam; Guantanamo, Oriente; Guatemala; Guilin; Guinea; Guinea-Bissau; Guiyang; Gunung Sitoli/Binaka; Gustavia, St. Barthelemy; Guyana; Gwalior; Gwangju Ab; Gweru; Gyanca; Habarovsk; Hachijojima/Omure; Hacienda Ylang Ylang Veracruz, Ver.; Hahaya International Airport; Haikou; Hail; Hailar; Hakasskaja; Hall Beach Ua, Nu.; Halley; Halls Creek Airport; Hamamatsu Ab; Hambantota; Hamheung; Hami; Hangzhou; Ha Noi; Hanty-Mansijsk; Hanzhong; Harare; Harbin; Hatanga; Hato Airport, Curacao; Helwan; Heraklion airport; Herat; Hereheretue; Herstmonceux; Heuksando; Hezuo; Hilo, Hi; Hobart Airport; Hohenpeissenberg; Hohhot; Hokitika Aerodrome; Honduras;