- CURRENT OBSERVATIONS
RAP Station Plot Java Applet – My favorite site for doing surface analysis.
Southern New England Current Temperature Map – Great site for viewing just SNE temperatures.
Continental United States Wind Map – Always cool to look at. Current wind pattern over the U.S.
UNYSIS Surface Data – Probably most user friendly and simplest to read.
MesoWest Observation Site – Another great site for doing surface analysis.
Analysis of Current Conditions – Exactly as name says.
nowCOAST – Interactive site for plotting current analysis data. Fun to play with!!
- GENERAL FORECASTING WEBSITES:
College of DuPage Meteorology – One of my favorite sites for viewing the GFS and NAM.
Meteocentre – Great site for viewing the GEFS, Candian and ECMWF Ensemble means. For free!!!!
Cool WX – Becoming my favorite site for forecasting. Hourly model forecasts. Great for everything.
The National Center for Atmospheric Research – Site for everything from analysis to forecasting.
PSU e-WALL – Everyone’s favorite for everything.
U. of Albany – Great for viewing 4 panel model hours.
Plymouth State Product Generator – Fun to play around with. Can make every type of map.
TwisterData – Site for viewing GFS and NAM model output and soundings/hodographs.
Hydrometeorological Prediction Center – One of the better sites for just about everything.
Climate Prediction Center – Making a long term forecast? Stop here.
Instant Weather Maps – View individual hours from models. Including the ECMWF every 24 hours.
Weather.us – Site for viewing 4 day forecast meteograms for over 1500 locations across the U.S.
National Center for Environmental Prediction – NWS site for viewing American Guidance.
wxmaps.org – The site for seeing Hemispheric plots.
Iowa St. Meteogram Generator – Create your own ensemble by choosing which models to use.
- SATELLITE & RADAR:
NASA Satellite Viewer – Best imagery by far!!!
College of Dupage Satellite and Radar Page – Best all around site out there.
RAP Satellite Page – Second best only to COD. Has more products though.
RAP Radar Page – Still second best to COD.
Earl Barker’s Radar Page – View radar and overlay with parameters like temperature and wind.
Earl Barker’s Satellite Page – View satellite images and overlay them with certain parameters.
Atlantic & Caribbean Satellite – Satellite imagery for viewing hurricanes.
- SHORT RANGE ENSEMBLE FORECAST
PSU SREF – Best site to find the SREF.
48 hr Hi-Res SREF – Shorter version of the SREF with a higher resolution.
SREF Plume Generator – Very handy when looking for individual SREF members.
Storm Prediction Center SREF – Way to view all severe wx indices from SREF.
- NAM, WRF & RAP
PSU Hi-Res NAM – Short range, high-res NAM. For cloud cover and precip forecasting.
NCEP NAM – North American Mesoscale model. Useful for within 36 to 48 hours.
NAM Convective Page – NAM model page devoted to convective parameters.
RUC Convective Page – RUC model page devoted to convective parameters.
Boston NAM Meteogram – NAM output specifically for Boston.
NAM Meteograms – Meteograms for numerous locations using NAM forecast.
BTV NWS WRF – Burlington, VT WRF model output for New England.
Millersville WRF -From Millersville U. Runs to 72 hrs. For precip forecasting. A little precip happy.
U. of Albany WRF – WRF model run out of Albany.
All WRF Models – Link to find all WRF models that are run daily.
NCEP Rapid Refresh – RAP. Formerly the RUC. Very short term forecast model. Runs every hour.
HRRR – High resolution version of the RAP. Good for precip forecasting in the very short term.
RUC Meteograms – Meteograms for numerous locations using RUC forecast.
- ENSEMBLES
GEFS – GFS Ensemble.
GEFS Members – Individual ensemble members from the GFS.
NCEP Probability of Quantitative Precipitation Forecast – Probability of reaching a precip amount.
Canadian Ensemble – Canadian Ensemble.
NAEFS – A combination of the Canadian and GFS Ensemble.
NAEFS Ensemble & Deterministic Forecasts – Easier site to use for NAEFS.
- GLOBAL MODELS
ECMWF Blog – Blog that details where individual ECMWF products can be found for free!!!
ECMWF Operation – Actual ECMWF site.
NCEP GFS – GFS model.
Boston GFS Meteogram – GFS model meteogram for Boston specifically.
Canadian Weather Office – Friends to the north. Little confusing, but this is the Canadian Home Site.
Canadian Operational -The Canadian Operational Model.
Canadian Precipitation Forecast – The Canadian precip type forecast for Eastern U.S.
UKMET – United Kingdom model output from U. of Wyoming.
Relative Measure of Predictability – 24 hour images showing predictability of the upper air pattern.
- SOUNDINGS
Storm Machine Forecast Soundings – Skew-T/Log P soundings from RAP, WRF, GFS and UKMET.
Earl Barker’s Skew-T Page – Skew-T/Log P & indices generator for NAM, meso-NAM, and GFS.
NAM Forecast Soundings – Forecast soundings from the balloon sites from the NAM.
GFS Sounding Animation Page from U. Albany – Has GFS sounding for WxChallenge site.
NAM Sounding Animation Page from U. Albany – Has NAM sounding for WxChallenge site.
- WINTER WEATHER GUIDANCE
National Snow Analysis – What does the name say? Current analysis of nation’s snow.
Northeast Snow Ratio Probability – What liquid to snow ratio should one use in a forecast?
Interactive Snow Information – Interactive map to analize current snow information.
SREF Winter Weather Impacts – What the SREF is forecasting for winter weather.
HPC Winter Weather – What HPC is forecasting for winter weather.
Eastern Region Event Display – How much snow has fallen in the last 24 hours.
Northeast Snow and River – Information about snow and river ice in New England.
- TROPICAL GUIDANCE
Ocean Prediction Center – Current analysis and forecast for the Atlantic Ocean Basis.
CIMMS Tropical Cyclones – My go to website for satellite views of all Tropical Systems.
Overview of Current Active Storms – Site for looking at current storms and GEFS members.
Spaghetti Models – Site with everything on it. Enjoy.
Hurricane Model Forecast Output – For viewing Hurricane Model tracks.
Cyclone Phase Evolution – Dr. Robert Hart phase diagrams for looking at the core of a system.
Total Precipitable Water – Great for viewing the motions of the Atlantic Ocean.
Tropical Cyclone Formation Probability – What are the chances a Tropical System forms?
Hurricane Potential – How strong could a Hurricane get?
Tropical Cyclone Track Probability – Based on history, what are chances a storm hits a location?
National Data Buoy Center – Site for viewing the World’s Buoy’s and latest information.
Saharan Air Layer – Where is the very dry air from the Sahara now?
Upper & Lower Level Winds – Exactly as the name states.
e-WALL Tropical Atlantic – Good for satellite and guidance viewing.
Experimental Tropical Cyclone Genesis Potential Fields – For viewing 850 mb vorticity plots.
Caribbean Island Satellite – Center the satellite over individual Islands.
- WAVE & TIDAL INFO
WWW Tide Info Map – Tidal Prediction for specific locations all over the world.
East Coast Significant Wave Height – Forecasted wave height off the East Coast.
East Coast Significant Swell Height – Forecasted swell height off the East Coast.
Wave Model – Another site to view predicted wave heights.
NOGAPS Wave Height Forecast – Navy wave height forecast.
- OTHER USEFUL LINKS
USGS Current Water Data – How high are current water levels?
USGS Drought Monitor – How bad is our current drought?
Iowa State Bufkit Warehouse – Place to retrieve BUFKIT data.
MJO Monitoring – Site to find the current state of the MJO.
Teleconnection Forecasts – Forecasts for the AO, NAO, PNA, AAO
Air Quality Forecast – How’s our Air Quality?
Arctic Sea Ice Graphs – Site to monitor the Arctic Sea Ice.
Mid-Atlantic/SNE Wind Forecast – Wind forecast for SNE/Mid-Atlantic and coastal waters.
- MOS TEXT FORECASTS
Looking to make a quick forecast, here are the MOS outputs for a number of local cities and towns.
- ARCHIVED DATA
Daily Weather Maps – Featuring daily weather maps dating back to 2003.
Blue Hill Observatory Data – Link to the longest running climate record in North America.
Plymouth State U-Make Page – Great site for making many different types of maps.
CIPS Analog Guidance – Great site for viewing top analogs and their impacts.
UNYSIS Tropical/Hurricane Data – Archived Hurricane data back to 1851.
Individual Tropical Storm Search – Search for an individual Tropical System.
Analog Making Site – Site for making your own analog forecasts.
Storm Prediction Center Case Study – SPC SREF case study of severe wx outbreaks.
Iowa St. Archived MOS Data – MOS forecasts dating back to 2000.
Locust Image Archive – Meteorology case study back to 1/1/1996.
GOES Image Search – Satellite images dating back 3 weeks.
NWS Precipitation Analysis – Great site for figuring how much precip has fallen.
CoCoRaHS Daily Precipitation Maps – Site for figuring out how much precip fell for a specific day.
20th Century ReAnalysis Plot Archive – ReAnalysis plots of 500 mb and SLP pattern.
Historical Hurricane Tracks – Site for plotting tropical systems that crossed different locations.
- GENERAL EDUCATION WEBSITES
MetEd – Educational site with modules for almost everything.
The Weather Prediction – Site to help learn the basics of everything.
NAO and AO Explanation – What are the NAO and AO? Why are they important?
NESIS Scale – Scale devised to put Northeast Snowstorms in Historical perspective.
NorLun Trough – What is a NorLun trough?
WINDEX – What is a WINDEX event?
Chris Hampton Weather 
Efstathios
Very useful, thank you.
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Charles Orloff
Great site, but you need to add Blue Hill Observatory Archives.
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