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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Estações Meteorológicas Próximas - Keyport Distância
Linden Airport 7.5 km
Aeroporto Internacional de Newark 8.9 km
Monmouth Executive Airport 10.6 km
Essex 16.5 km
Lakehurst Airport 17.7 km
Miller Air Park 18.4 km
Aeroporto de Teterboro 19.5 km
Lakehurst Maxfield Field 20.9 km
Nova Iorque 26.2 km
Morristown Municipal Airport 26.5 km
Orange County Airport 33.3 km
Stewart Intl. Airport 34.3 km
Aeroporto LaGuardia 34.9 km
McGuire AFB 46.2 km
Aeroporto Internacional John F. Kennedy 46.9 km
Atlantic City Aeroporto 50.3 km
Hudson Valley Regional Airport 50.9 km
Somerset Airport 52.3 km
Sussex Airport 52.6 km
Westchester 57.2 km
Aeroflex Andover 61.7 km
Trenton 68.8 km
South Jersey Regional Airport 72.1 km
Sullivan Aeroporto 76.7 km
Fulton County Airport 78.7 km
Schenectady 79.6 km
Albany Aeroporto 80.6 km
Danbury Municipal Airport 85.0 km
Republic Airport 87.7 km
Cape May Airport 89.4 km
Aeroporto do Nordeste de Filadélfia 91.5 km
Millville Executive Airport 101.5 km
Doylestown Airport 102.1 km
Floyd Bennett Memorial Airport 110.5 km
Aeroporto Internacional de Filadélfia 118.0 km
Wings Field 118.9 km
Pittsfield Municipal Airport 119.3 km
Ocean 119.6 km
Adirondack Regional Airport 119.7 km
Aeroporto Memorial Sikorsky 120.9 km
Waterbury 122.9 km
Aeroporto MacArthur de Long 123.0 km
Quakertown Airport 131.6 km
William H. Morse State Airport 132.0 km
Pocono Mountains Municipal Airport 133.3 km
Harriman-and-West Airport 135.1 km
Lehigh Valley Intl. Airport 137.4 km
Delaware Coastal Airport 139.6 km
Allentown Queen City Municipal Airport 143.6 km
Dover Base Housing 146.0 km
Tweed New Haven Airport 148.5 km
Brookhaven Airport 148.9 km
Heritage Field Airport 150.4 km
Massena Intl. Airport 151.9 km
Plattsburgh Intl. Airport 154.0 km
Griffiss Intl. Airport 157.2 km
Aeroporto de Wilmington 157.4 km
Meriden Markham Municipal Airport 157.6 km
Salisbury 158.8 km
Instalação de Voo Wallops Aeroporto 160.3 km
Middlebury State AP 165.8 km
Rutland- Southern Vermont Regional Airport 169.9 km
Burlington Intl. Airport 172.0 km
Wilkes-Barre/Scranton Intl. Airport 172.7 km
Westfield-Barnes Regional Airport 173.8 km
Bradley Intl. Airport 175.4 km
Francis S. Gabreski Airport 176.5 km
Hartford Aeroporto 177.5 km
Franklin County State Airport 186.9 km
Ogdensburg Intl. Airport 187.4 km
Chester Airport 191.0 km
Accomack 191.9 km
Westover Metropolitan Airport 193.9 km
Reading Regional Airport 196.7 km
Wheeler-Sack Army Airfield 198.8 km
Hazleton Regional Airport 200.4 km
Greater Binghamton Airport 205.0 km
First Flight Airport 207.6 km
Hartness State Airport 209.1 km
Brockville 210.6 km
Cambridge- Dorchester Airport 210.8 km
Easton Airport 213.1 km
Tangier 213.6 km
East Hampton Airport 217.5 km
Edward F. Knapp State Airport 217.7 km
Morrisville- Stowe State Airport 219.1 km
Phillips Army Airfield 220.6 km
Orange Aeroporto 225.8 km
Syracuse Hancock Intl. Airport 226.6 km
Watertown Intl. Airport 227.2 km
Naval Air Station Oceana 228.1 km
Windham Airport 228.3 km
Dillant 229.3 km
Lancaster Aeroporto 230.2 km
Currituck County Regional Airport 232.7 km
Lebanon Municipal Airport 235.0 km
Naval Auxiliary Landing Field Fentress 240.3 km
Bay Bridge Airport 240.7 km
Groton 241.1 km
Aeroporto internacional de Norfolk 244.2 km