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Modelli meteorologici utilizzati da Windguru

Modello GFS

GFS stands for the Global Forecast System. It is run by National Centers for Environmental Prediction (NCEP) which is a unit of NOAA (National Oceanic and Atmospheric Administration), NWS (National Weather Service), USA. The GFS is run four times per day (00 UTC, 06 UTC, 12 UTC, and 18 UTC) out to 384 hours. GFS is a global model so it covers all the Earth! Since January 2015 GFS has been producing forecasts with resolution of 27 km out to 240 hours.

Modello NAM

La Nord Americana Mesoscala (NAM) è un modello regionale di mesoscala che utilizza dei parametri sulla superficie e dei processi sulla precipitazione, migliorati. È controllato anche dal NCEP, precedentemente il suo nome era ETA ma nel 2005 fu ribattezzato come NAM. Windguru utilizza le previsioni di 84 ore con intervallo di 3 ore che copre il Nord America con una risoluzione di 0.11 gradi (circa 12 km). È attualizzato 4 volte al giorno. Ha una risoluzione molto superiore al GFS per cui dovrebbe fornire delle previsioni a breve termine più precise.

Since October 2011 NOAA/NCEP has added several high resolution subdomains to their NAM model. The first we use on windguru is the one that covers Hawaii in 3 km resolution. The subdomains run inside the main 12 km domain from 0 to 60 h, but at the moment we only show the first 36 hour forecast. The reason for this is that for 0-36h the output files are available in 1 hour steps, but 36-60h only in 3 hour steps, and it is not so easy to combine that in the current windguru forecast tables (at least for now, it will probably change in the future). Updates are 4 times per day.


Modello WRF

Il modello dell'investigazione e previsione del tempo (Weather Research and Forecasting -WRF-) è un sistema numerico di mesoscala di previsione del tempo di nuova generazione, concepito per produrre previsioni operazionali e necessita di ricerca atmosfererica. Rappresenta l'evoluzione del modello MM5. Lo sforzo per lo sviluppo del modello WRF è uno sforzo di collaborazione tra varie entità, principalmente la National Center for Atmospheric Research (NCAR), la National Oceanic and Atmospheric Administration (the National Centers for Environmental Prediction (NCEP) e la Forecast Systems Laboratory (FSL), la Air Force Weather Agency (AFWA), la Naval Research Laboratory, Oklahoma University, e la Federal Aviation Administration (FAA). Ulteriori informazioni al website del modello WRF.

Stiamo facendo correre il modello WRF coprendo la maggior parte dell'Europa e del Mediterraneo. Le isole Canarie, Madeira e parte della costa atlantica del Marocco sono anch’esse coperte dal WRF con 9 km di risoluzione. Un ulteriore minore dominio di WRF 9 km copre il Nord del Mar Rosso con le popolari località in Egitto, Israele, Libano ed il sud di Cipro. We also provide WRF 9 km forecasts for East Asia, this domain covers Japan, Korea, Taiwan and east China. Argentina, Chile and Uruguay are covered by WRF 12 km. La frontiera e le condizioni iniziali provengono dal modello GFS. Caso tutto corra come sperato il modello WRF è aggiornato 4 volte al giorno e produce una previsione futura per 78 ore con un intervallo di un'ora. Le previsioni includono la velocità del vento, le raffiche del vento, la temperatura, la totalità della nuvolosità e le precipitazioni.

The highest resolution model we are running now is 3 km. Such a high resolution requires massive computing so the covered area can't be very large. WRF with 3 km covers Czech republic, forecasts are for next 48 hours and update 4 times per day. Another small 3 km domain covers one of the most famous areas for wind & kitesurfing in Europe - Tarifa / Strait of Gibraltar.


Modello HRW

The HRW (High Resolution Window) is WRF powered forecast model, it is run by American NOAA/NCEP same like GFS and NAM models described above. We use forecast data which cover Hawaiian islands with 5 km horizontal resolution and United States with 4 km resolution. Forecast length is 48 hours. Forecasts for Hawaii and US east update twice per day (model cycles 00 UTC and 12 UTC) and forecasts for US west update once per day (model cycle 06 UTC). Another smaller HRW 5 km domain covers part of Caribbean around Dominican republic and Puerto Rico and updates twice per day (cycles 06 UTC and 18 UTC).

As you can see on the maps below, the US east and US west domain overlap quite a lot, so if you view forecast for spot somewhere in the central US which is covered by both HRW domains you will always see the latest available model forecast - either from HRWe or HRWw depending on which one is the most up-to-date. So we can say that for central US the HRW model updates 3 times per day (00,06 and 12 UTC cycles)

Notice: Some or all HRW forecasts will not update if NOAA needs to run Hurricane models instead.

Le previsioni HEW sono gratuite per tutti gli utenti!

Attuali modelli di dati utilizzati:

WRF 27 km (Europe):27.11.2021 12 UTC
GDPS 15 km (World):27.11.2021 12 UTC
GFS 13 km (World):27.11.2021 18 UTC
ICON 13 km (World):27.11.2021 18 UTC
RAP 13 km (US):27.11.2021 23 UTC
NAM 12 km (North America):27.11.2021 18 UTC
WRF 12 km (Argentina):27.11.2021 12 UTC
Zephr-HD 11 km (Argentina):27.11.2021 00 UTC
WRF 9 km (Canary):27.11.2021 12 UTC
WRF 9 km (East Asia):27.11.2021 12 UTC
WRF 9 km (Egypt):27.11.2021 12 UTC
WRF 9 km (Europe):27.11.2021 12 UTC
WRF 9 km (South Africa):27.11.2021 12 UTC
Zephr-HD 9 km (Europe):27.11.2021 06 UTC
Zephr-HD 9 km (South Africa):27.11.2021 06 UTC
HIRLAM 7.5 km (Europe):27.11.2021 18 UTC
ICON 7 km (Europe):27.11.2021 21 UTC
Zephr-HD 6 km (Brazil):27.11.2021 18 UTC
HARMONIE 5 km (EU):27.11.2021 18 UTC
HRW-ARW 3 km (Caribbean):27.11.2021 18 UTC
HRW-ARW 3 km (Hawaii):27.11.2021 12 UTC
HRW-FV3 3 km (Caribbean):27.11.2021 18 UTC
HRW-FV3 3 km (Hawaii):27.11.2021 12 UTC
HRW 3 km (US):27.11.2021 12 UTC
Zephr-HD 4 km (Spain / Portugal):27.11.2021 06 UTC
Zephr-HD 4 km (Western Australia):27.11.2021 18 UTC
Zephr-HD 3.6 km (Argentina):27.11.2021 00 UTC
Zephr-HD 3.3 km (East US):27.11.2021 06 UTC
Zephr-HD 3.3 km (West US):27.11.2021 12 UTC
HRRR 3 km (US):27.11.2021 22 UTC
NAM 3 km (Hawaii):27.11.2021 18 UTC
WRF 3 km (Aegean Sea):27.11.2021 12 UTC
WRF 3 km (CZ):27.11.2021 12 UTC
WRF 3 km (Canary):27.11.2021 12 UTC
WRF 3 km (English Channel):27.11.2021 12 UTC
WRF 3 km (Gibraltar):27.11.2021 12 UTC
WRF 3 km (Israel+):27.11.2021 12 UTC
Zephr-HD 3 km (Balkans):27.11.2021 12 UTC
Zephr-HD 3 km (Eastern Australia):27.11.2021 12 UTC
Zephr-HD 3 km (Europe):27.11.2021 06 UTC
Zephr-HD 3 km (Italy):27.11.2021 06 UTC
Zephr-HD 3 km (South Africa):27.11.2021 06 UTC
Zephr-HD 2.6 km (Japan):27.11.2021 12 UTC
AROME 2.5 km (Caribbean):27.11.2021 12 UTC
AROME 2.5 km (France+):27.11.2021 18 UTC
AROME 2.5 km (French Guiana):27.11.2021 12 UTC
AROME 2.5 km (French Polynesia):27.11.2021 12 UTC
AROME 2.5 km (Hungary):27.11.2021 18 UTC
AROME 2.5 km (Indian Ocean):27.11.2021 12 UTC
AROME 2.5 km (New Caledonia):27.11.2021 12 UTC
HARMONIE 2.5 km (Netherlands):27.11.2021 18 UTC
HRDPS 2.5 km (Canada):27.11.2021 18 UTC
ICON 2.2 (Germany+):27.11.2021 21 UTC
Zephr-HD 2 km (New Zealand):27.11.2021 12 UTC
AROME 1.3 km (France+):27.11.2021 18 UTC
GWAM 27 km (waves) :27.11.2021 12 UTC
GDWPS 25 km (waves) :27.11.2021 12 UTC
GFS-Wave 25 km (waves):27.11.2021 18 UTC
GFS-Wave 16 km (waves):27.11.2021 18 UTC
GFS-Wave 9 km (waves):27.11.2021 18 UTC
EWAM 5 km (waves Europe) :27.11.2021 12 UTC

Orario dell'aggornamento dei modelli:

Cicli dei modelli: 00 UTC 03 UTC 06 UTC 09 UTC 12 UTC 15 UTC 18 UTC 21 UTC
WRF 27 km (Europe)07:55 UTCn/a13:55 UTCn/a19:55 UTCn/a01:55 UTCn/a
GDPS 15 km (World)05:30 UTCn/an/an/a17:30 UTCn/an/an/a
GFS 13 km (World)04:45 UTCn/a10:45 UTCn/a16:45 UTCn/a22:45 UTCn/a
ICON 13 km (World)03:45 UTCn/a09:30 UTCn/a15:45 UTCn/a21:30 UTCn/a
RAP 13 km (US)01:05 UTC04:05 UTC07:05 UTC10:05 UTC13:05 UTC16:05 UTC19:05 UTC22:05 UTC
NAM 12 km (North America)02:55 UTCn/a08:55 UTCn/a14:55 UTCn/a20:55 UTCn/a
WRF 12 km (Argentina)07:30 UTCn/a13:30 UTCn/a19:30 UTCn/a01:30 UTCn/a
WRF 9 km (Canary)07:45 UTCn/a13:45 UTCn/a19:45 UTCn/a01:45 UTCn/a
WRF 9 km (East Asia)08:05 UTCn/a14:05 UTCn/a20:05 UTCn/a02:05 UTCn/a
WRF 9 km (Egypt)06:30 UTCn/a12:30 UTCn/a18:30 UTCn/a00:30 UTCn/a
WRF 9 km (Europe)07:25 UTCn/a13:25 UTCn/a19:25 UTCn/a01:25 UTCn/a
WRF 9 km (South Africa)06:55 UTCn/a12:55 UTCn/a18:55 UTCn/a00:55 UTCn/a
HIRLAM 7.5 km (Europe)04:15 UTCn/a10:15 UTCn/a16:15 UTCn/a22:15 UTCn/a
ICON 7 km (Europe)03:50 UTC06:20 UTC09:50 UTC12:20 UTC15:50 UTC18:20 UTC21:50 UTC00:20 UTC
HARMONIE 5 km (EU)04:10 UTCn/a10:10 UTCn/a16:10 UTCn/a22:10 UTCn/a
HRW-ARW 3 km (Caribbean)n/an/a08:45 UTCn/an/an/a20:45 UTCn/a
HRW-ARW 3 km (Hawaii)02:50 UTCn/an/an/a14:50 UTCn/an/an/a
HRW-FV3 3 km (Caribbean)n/an/a08:40 UTCn/an/an/a20:40 UTCn/a
HRW-FV3 3 km (Hawaii)02:50 UTCn/an/an/a14:50 UTCn/an/an/a
HRW 3 km (US)02:50 UTCn/an/an/a14:50 UTCn/an/an/a
HRRR 3 km (US)01:50 UTC04:25 UTC07:50 UTC10:25 UTC13:50 UTC16:25 UTC19:50 UTC22:25 UTC
NAM 3 km (Hawaii)02:15 UTCn/a08:15 UTCn/a14:15 UTCn/a20:15 UTCn/a
WRF 3 km (Aegean Sea)06:10 UTCn/a12:10 UTCn/a18:10 UTCn/a00:10 UTCn/a
WRF 3 km (CZ)06:40 UTCn/a12:40 UTCn/a18:40 UTCn/a00:40 UTCn/a
WRF 3 km (Canary)07:25 UTCn/a13:25 UTCn/a19:25 UTCn/a01:25 UTCn/a
WRF 3 km (English Channel)07:00 UTCn/a13:00 UTCn/a19:00 UTCn/a01:00 UTCn/a
WRF 3 km (Gibraltar)06:35 UTCn/a12:35 UTCn/a18:35 UTCn/a00:35 UTCn/a
WRF 3 km (Israel+)08:05 UTCn/a14:05 UTCn/a20:05 UTCn/a02:05 UTCn/a
AROME 2.5 km (Caribbean)07:45 UTCn/a13:50 UTCn/a19:45 UTCn/a01:50 UTCn/a
AROME 2.5 km (France+)05:45 UTCn/a11:35 UTCn/a17:45 UTCn/a23:35 UTCn/a
AROME 2.5 km (French Guiana)07:45 UTCn/a13:50 UTCn/a19:45 UTCn/a01:50 UTCn/a
AROME 2.5 km (French Polynesia)07:50 UTCn/an/an/a19:50 UTCn/an/an/a
AROME 2.5 km (Hungary)02:30 UTCn/a08:30 UTCn/a14:30 UTCn/a20:30 UTCn/a
AROME 2.5 km (Indian Ocean)07:50 UTCn/a13:40 UTCn/a19:45 UTCn/a01:50 UTCn/a
AROME 2.5 km (New Caledonia)07:45 UTCn/a13:50 UTCn/a19:45 UTCn/a01:45 UTCn/a
HARMONIE 2.5 km (Netherlands)04:10 UTCn/a10:10 UTCn/a16:10 UTCn/a22:10 UTCn/a
HRDPS 2.5 km (Canada)04:25 UTCn/a10:25 UTCn/a16:25 UTCn/a22:25 UTCn/a
ICON 2.2 (Germany+)01:30 UTC04:30 UTC07:30 UTC10:30 UTC13:30 UTC16:30 UTC19:30 UTC22:30 UTC
AROME 1.3 km (France+)02:55 UTCn/a08:55 UTCn/a14:55 UTCn/a20:55 UTCn/a
GWAM 27 km (waves) 04:40 UTCn/an/an/a16:40 UTCn/an/an/a
GDWPS 25 km (waves) 05:20 UTCn/an/an/a17:20 UTCn/an/an/a
GFS-Wave 25 km (waves)04:40 UTCn/a10:40 UTCn/a16:40 UTCn/a22:40 UTCn/a
GFS-Wave 16 km (waves)04:40 UTCn/a10:40 UTCn/a16:40 UTCn/a22:40 UTCn/a
GFS-Wave 9 km (waves)04:40 UTCn/a10:40 UTCn/a16:40 UTCn/a22:40 UTCn/a
EWAM 5 km (waves Europe) 04:40 UTCn/an/an/a16:40 UTCn/an/an/a

(Il modello è aggiornato conforme l'orario UTC, l'ora attuale è 28.11.2021 00:19 UTC)



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