National Weather Connections Surface | Upper-air | Satellite/Radar | Forecasts | Climo | Other Stuff | E-mail me

Surface Data

• PA-Centered: WxWorld Dashboard, PEMN Dashboard, Keystone Mesonet, ASOS Hourly, Walker Building, State Climatologist, PSU WxSTEM, Pittsburgh WxSTEM, Other PA WxSTEM: Shavers Creek, Mifflin CT, Dauphin CT
• Mesonet Sites: MesoWest, MADIS, NY, IA, KY, OK, W TX, Mesonet API Synoptics, Find a Mesonet
• Webcams: PSU: PEMN, Sell PA webcams, Beaver Stadium, Golf Courses, Arboretum; Other: State College, Wx World PA, Wx World Intl, Pittsburgh Area, PADOT, US
• METARs: Five-minute obs NWS 1, NWS 2; By state, hourly: AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY; Station lookup: UCAR, ASOS, WMO
  
• Last 48 Metars (by city): ABQ, ACY, ALB, ATL, AUS, BDR, BHM, BNA, BOI, BOS, BRO, BTR, BUF, BWI, CHA, CHS, CLE, CLT, CMH, CPR, CRW, CVG, CYS, DCA, DEN, DFW, DSM, DTW, EVV, EWR, EYW, FAR, GSO, HFD, HLN, IAD, IAH, ICT, ILM, IND, JAN, JAX, JFK, LAS, LAX, LEX, LGA, LIT, LOU, MCI, MEM, MGM, MIA, MOB, MSN, MSP, NEW, NYC, OKC, OMA, ORD, ORF, ORL, PDX, PHL, PHX, PIT, PKB, PVD, PWM, RAP, RDU, RIC, RNO, ROA, SAC, SAN, SAT, SAV, SEA, SFO, SLC, STL, SYR, TLH, TPA, TUL, TUS, Anywhere; Metar Archives: IEM, WxUnderground, LSU, ADDS, UCAR, Plymouth State
• Meteograms and More: State College, UWyoming, Plymouth State
• Winter/Cold: Snow: Recent Snowfall, NOHRSC, NOHRSC snowfall analysis, NE Snowdepth, USDA Weekly Snowpack Reports, Snowcover Anomaly, OpenSnow, Avalanche Info; Ice: Arctic Sea Ice, Sea Ice Analysis Tool, Zach Labe, Polar Products, Arctic Temperatures
  
• Hydrology: NWS AHPS, Waterwatch, Ensemble River Fcsts, Drop a Raindrop Anywhere; Flooding: IntenseRain/FlashFlood reports, Coastal Inundation Dashboard, NWS Inundation Tool, MARFC FFG, ORFC FFG; Oceans: NOAA NowCoast, Wave Models, Tides, Buoys; Recent precip: MRMS NSSL, MPE Local, IEM Rainfall, Satellite Rainfall Estimator, CocoRAHS, AHPS Daily, MARFC County Precip Departures, California, Los Angeles; Long-Term Drought Monitoring: PDSI, Drought Monitor
  
• Watch/Warning/Advisories: Maps: NWS 1, NWS 2, PA, SPC, SPC Outlook-At-A-Glance, SPC MD, WPC Archive; Text: COD, SPC
  
• US Surface maps: WPC, WPC wide, SPC Mesoscale, NH Unified Analyses, earth.nullschool.net, Ventusky, RTMA, Climate Reanalyzer, Bob Hart page, Current w/ Sat, MADIS; Change Graphics: WPC T/Td/P, 24-hr Temp; Archives: WPC, SPC Mesoscale, Plymouth St, 12Z
  
• PA Surface maps (Wx World): All maps, Temp, Dew, Heat index, Radar, Satellite, Visibility, Wind speed, Wind gusts, Wind chill, WBGT; Mid-Atlantic: Temp, Dew, 24-hr Temp change, Radar
  
• Station Models: ADDS, USA, SPC, UCAR, NOAA Mesowest, HPC National, Canada, Various Regions, PSU NE, Gulf & Caribbean, MesoWest PA focus, Coolwx PA Closeup, State College Closeup; Archives: 24-hr, 5-Day, SPC (since 1998)
  
• Latest USA Statistics: Temp Records, Temp, Pressure, Prs Change, Dewpt, Wind, Wind Turbines, Heat Index, Wind Chill
• Latest ENSO: CPC/IRI Discussion, CPC ENSO Weekly, Maps/Forecast, TAO real-time; SST Info: 6-mo Loop, SST graphs, MEI, Oceanweather

Upper-Air Data

• Constant-pressure charts: NCAR, SPC, UWyoming, PSU 500mb & 300mb; Archive: SPC, Iowa State, DIFAX; Sounding Climatology
• Precipitable Water: SSEC; Isentropic Analysis: COD, Iowa State, Earl Barker
• Reanalysis: Meteocentre 20th Century, NCEP Climo, NCEP Daily, 20th Century Reanalysis
  
• Soundings: RUC UNV, RUC, UCAR, SPC, UWyoming, Plymouth, BUFKIT; Archive Soundings: Plymouth, NARR; Profiler Data: NPN/CAP; Hodographs: UWyoming, UCAR
  
• Jet-stream locator: Animated Globe, SFSU, SFSU Archive; Other Upper Air Data: Blocking; Turbulence, GOES-Derived Products
  
• Animations: Last 30 Days 200-mb Anomalies, Recent Global Circulation; Archive of Daily Weather Maps (including 500-mb)

Satellite Imagery

• GOES: COD, PSU, PSU B&W Regional, NOAA, UCAR, CIRA 1, CIRA 2, SSEC, MSFC Filters; Various GOES imagery: SSEC Wide, PSU Old, NOAA SSD; Toggling: WxForecaster.com; GOES-derived products: CIRA PW, CIMSS TPW, CIMSS Sounder
• Global: DISCVR, Aviation Wx Center, Tropical, View from any Satellite, METEOSAT, NASA Earth Observatory; Apps: CIMSS RGB
• Polar-orbiting/High-Res Links: JHU AVHRR NASA Worldview, PolarGlobe, MODIS Subsets, Sentinel Playground
• Tropical: SSEC, MSFC, PSU, NRL, Before/After
  
• Archives: Tropical: CIRA (great), CIMSS, NRL; Other: CIRA Satellite Library, Dakota Smith, WeatherDak, Climate Reanalyzer, weather.us, NCDC, NCDC GIBBS, SFSU (2 yr); International: CIMSS, Hurricane Before/After

Radar Imagery

• Single Site: Central PA PSU Closeup, CCX via COD, weather.us; Regional Radars: FSU, NE, SE, NC, NW, SW, East; All Single Site: NWS, WxUnderground, COD
• National Radar Summary: NWS loop, MRMS NSSL, WSI, Canada; Estimated Rainfall: 1,6,24,72-hr, JAXA Global rainfall
• Archives: weather.us, Plymouth, NCDC, NCDC Radar Range, SFSU, PSU (Lots)
  
• Lightning: Real-time: GLM, CIRA Sat/Lightning, weather.us, Eastern USA, Blitzortung; Forecast: HREF Calibrated Probability; Climatology: SPC, US, Worldwide, NOAA Climatology, Vagasky Sports;
• Radar Monitoring/Education: NWS FAQ, Dual Polarization, Radar status, TDWR Info, Nearest Radar; Radar Applications: Daily, MRMS FLASH, NEXRAD CDR
  

Forecasts

• National Weather Service: Central PA Point Forecasts, Self-Briefing, Tropical, Briefing, NWS Public Info NE, PA Text Products, Winter, Forecast Maps, WBGT, Wx Type Forecast, Hazardous Wx Outlook, GIS view, Enhanced Data Display
  General: NWS Main, Graphic Forecasts, Forecasters Toolbox, Public Info, WPC Archive, NWS Training Pages; NDFD: Main Page, Forecast Records, Anomalies
  
• NWS Area Forecast Discussions (AFD): UNV, PIT, PHL, CLE, BGM, NYC, Any NWS office
  
• Marine and River Forecasts: River Centers, Marine Forecasts, River Flooding Outlook, MARFC Briefing; Tides: NOAA, Saltwatertides.com, Tideschart
  
• NWP Model Characteristics: Model Encyclopedia, FV3 Evaluation, Model Status, Euro 2023 upgrade
  
• Model Verification: Recent GFS T/Td errors, EMC, EMC New, ECWMF "Scorecard", QPF 1, QPF 2, Subjective Biases, Real-time MOS; Longer-term Performance: Near-sfc NCEP models, Global, D+8/Week 2, CPC verifications
• NCEP National: Days 1-2 Discussion, Maps; Days 3-7 Discussion, Sfc Maps, 500-mb; Discussions: QPF / Maps / Probabilistic, Model Diagnostic, Excessive Rainfall, WPC Extreme Precip
• Winter Forecast Tools: NWS Office pages, WSSI, PWSSI, NWS Exp WSO, Winter Storm Warning criteria; Snow: NWS Discussion, Probabilistic Maps, CIPS (crit thick, SnSq para), Snowbands, Various Snow maps, HREF Ensemble, SREF Impact
• Severe Fcst Tools: SPC Outlooks, MesoAnalysis, Overlay, SREF, HREF, SSCRAM, WOF, NSSL 1-km WRF; HRRR: PSU, NOAA, TT; RUC: NOAA, Meteograms; Rapid Refresh; Experimental CAMS output; NCAR: CAMS Ensemble; Long-Range: CFS; Atmospheric River Events: Scripps
  
• Chem/Smoke Models: RAP Chem, RAP Smoke, HRRR Smoke, HRRR Smoke (old)
• NWP Models (deterministic): e-Wall, e-Wall 2.0, Mini e-WALL, TT, Polar Wx, Bentley, COD, NCEP, Wx Nerds, Pivotal Wx, windy.com, ARL Animated Gifs, wxcaster.com, Earl, Meteocentre, CIMSS, Environment Canada
  
• Euro-Specific: Regimes, Univ Utah, ECMWF, weathernerds, Fred, Jon, Jon 2, Pivotal, EPS members, EPS UNV Plumes, EPS UNV Temp Plumes, TT, weathermodels
• NWP Derived Fields: Milrad (some QG), QG Diagnostics, FGEN, FGEN / QG, Isentropic Surfaces; Analog Guidance: CIPS; Meteograms: NAM / GFS; Dprog/Dt: Bentley, TT
  
• Forecast Soundings: Coolwx, TT, Pivotal, wxcaster.com, Twisterdata; Cross Sections: Meteoblue, TT (CTRL-drag); Trajectories: Hysplit
• Model Archives: PSU, weathermodels.com, NCDC, NOMADS, GFS Heather A; MOS: Iowa St, MDL
  
• NCEP 1-4 week Products: CPC Main, 10-day Temp, 10-day Precip, 6-10 Day, 8-14 Day, 8-14 Day analogs, D+8 Upper-Air Tools, Week 2 Hazards, SubX Weeks 1-4, CPC 3-4 Week, PSL Map Room
• Ensemble: GEFS Regimes, NWS SitAware, Polar Wx Significance; Plumes: weather.us, Super, SREF, GEFS, GEFS Wetter, ISU; Super Viewer; HREF: SPC, 00Z, 12Z; SREF: e-WALL, SPC; NAEFS: CMC, CPC; GEFS: e-WALL, Confidence; Cyclones: Mid-Latitude, Tropical; Sensitivity (Stonybrook)
• Stratosphere: Stratobserve, PV/Regime forecasts; SSW: Compendium of Events, Defn, Tropo/Strato links, Predictability following, Effect on storm track, SNAP
• Teleconnections: Ventrice indices, NOAA, Recently Monthly, Fred, Sell, PNA, PNA Ens, NAO, NAO Ens, GFS Blocking, MacRitchie; MJO: GFS, All Models, Temp tele, Precip tele, BOM, Velocity Potential: (1), (2); Other: Wave Train, Pacific Extreme
  
• Monthly/Seasonal: CPC Long-Lead Briefing, Monthly, Seasonal; Ben Noll graphics, NMME, Euro, TT, Copernicus, IRI, Cohen; CFSv2: Monthly; Ensemble (IRI), Weeks 1-4, Weeks 1-18, 45-day precip: P1, P2, P3, P4; Verifications: NOAA CPC
  
• MOS: Decoding, e-WALL; MOS Output: NWS MDL, GFS, NAM, COOP; LAMP: Decoding, Output; NBM: Decoding, Output, Viewer, COMET, Bulk files; GEFS: Ensemble Members
• AI Tools: Euro, TT Euro, FourCastNet, Pangu-Weather, FengWu, Ryan Keisler, GraphCast

Climatological Data

• General: Customized Plotting IEM, SCACIS, XMACIS, Mesonet API Synoptics, Wx World, AASC; Regional Climate Centers: NRCC, SERCC, MRCC, MRCC 19th century, SRCC, HPRCC, WRCC; Google Datasets,
• Pennsylvania Climo: Last 24 hr Max/Min/Precip, CocoRAHS, Hourly climo, Tornadoes, Water, Wind Roses; Coop: Recent, Archive, "Normals"
• State College Climo: PSU Wx, PSU Obs cards, 30-day Mean Anoms, 30-day Max Anoms, 30-day Min Anoms
• Today's National Observations: Max, Min, Normal Max, Normal Min, Archived Max/Min; Record Reports: NCDC, Text, Coolwx, WMO Extreme Archive, Record reports
• Various Climatologies: Annual Temp vs Precip, Excessive Rainfall Climo, Heat Index, Soundings (SPC), Freezes, Diurnal Range, Wind Roses, Wind Turbines, Precip Frequency, Phasing Storms
• Recent Climate Monitoring: HPRCC, PRISM, Fred compilation, Global/Regional Anomalies, ESRL 1- 7- 30- 90-Day Loops, NCDC Snapshots, SPI Products; CPC 1-5-7-30-90-Day Anomalies: Temp, Copernicus, Precip; Divisional Data; NCDC Climate-At-A-Glance: National, State; International: City Temp & Precip, Global 7-, 30-, 90-Day, Canada
• Data Archives: COOP Archive (NCDC), 1 & 5-minute ASOS data, WxUnderground METAR archive, XCACIS, xmACIS2, ThreadX, HCN, Alaska Archive
• Normals: Daily, Monthly, NCDC US Climate Atlas, NCEI 1991-2020, NCEI Main; 1981-2010: Max, Min, Mean, Liquid, COOP
  
• Severe: SPC, SPC 2, SPC(GIS), Local Storm Reports, SPC PA, SPC WCM, NWS Office, Damage Assessment, Lightning, Outages; Tornado: Monthly Stats, Outbreak Interface, Grazulis;
Archives: NCDC Storm Events, CAPS (2015-), Warnings
• Winter Climatology: WPC Winter Storm Archive, Archived Snowstorm Maps, Regional Snowfall Index (RSI)
  
• Other NOAA/NASA Products: Climate Data Records (CDRs), FORTS (old data), NOAA Climate Data Gallery, NASA Remote Sensing Toolkit, ESRL Maproom; Google NOAA datasets, Time Machine
  
• Reanalysis: PolarWx Big Storms, NCEP NARR (1979-, 3hrly), PSL Daily, PSL Monthly, Reanalysis.org, PSL 1836- (1836-), PSL 1836- Subdaily, Copernicus ERA5 Hourly (1979-), Climate Re-Analyzer, By Climate Division
  
• Climate Change Info: GISS Sfc Temp, Lotsa Charts, Yale CCC, Climate Impacts Encyclo, CO2, Methane, City UHIE, Carbon Footprint, Severe Link (Brooks), Tropical Link (GFDL), IPCC 6th Assessment, IPCC Interactive Atlas
• Interesting BB Maps: Max Heat Index - Min Wind Chill, Midpoint of Summer, All Maps
• Archived Weather Maps: NARR e-WALL (loops, 1979-), RUC e-WALL (loops, 2004-), US Daily (1871-2002), US Daily (2003-), WPC (2006-, 3 hrly)
  

Additional Information

• Weather World Tools: WSI, Week 2 Trends; Climate Watch: Brugge, Copernicus, Temp Anom, Precip Anom, IRI Temp/Precip, NCDC State; Analogs: Climate-at-Glance, ESRL Anomaly creator
• All purpose: Jeff, Sell, Mike's; Meteorological employment: AMS, PSU Meteo, ERAU, NWS, PSU Demo reels; Software: IDV, Bufkit, Adobe suite
• News sources: Today's Front Pages, NASA, Eureka Alerts, AMS Datastreme, Earth Observatory, NOAA News, Air Travel Tracking, Daily Collegian Archive, Newspaper Archive; This Day in Weather: (1), (2), (3), (4)
• Tools: Consensus; Wx calculators: NWS 1, NWS 2, NWS 3, Martindale, Wolfram/Alpha; Video: Make a gif, Download Twitter / Youtube videos: (1), (2), (3)
• Blogs: Masters, Henson, WU, Sabol, CIMSS, Satellite Liaison, Cliff Mass, Doswell, Hooke, GOES-R Testbed, Tony Wood, Satterfield, What If?, Humor, Jon Articles; Climate: Realclimate, ClimateAudit, Isaac Held, Icecap, WattsUp
• Celestial/Astronomical: USNO Info, NOAA Solar Calculator, Celestial Almanac, Earth & Sky, SunsetWx, ISS Sightings, NASA, Mars weather, Space Weather, Cloud Appreciation Society
  
• Other Pennsylvania Information: Philly Wx, 511PA, Travel, Foliage Report, Seismic Events, Ag/Crop Prophet, Radiation Monitoring
  
• Ocean & SST: TT, NOAA, NOAA Animation, FNMOC, FNMOC Anomaly, NHC, Rutgers; Great Lakes: GLERL, Stats, Coastwatch, Great Lakes Monitoring; Buoy data: NE, DE & Chesapeake Bays, NC, SC, FL, TX, E Lakes, W Lakes
  
• El Nino / La Nina: Dashboard, Climate.gov, CPC, NCDC, PMEL, Official defn, Regions, IRI Forecasts, ONI Values; Teleconnections: (1), (2), (3), IRI, Snow & Winter Temp (by city)
• Maps: TX Library, JHU Color Atlas, Other JHU Color, USGS Atlas; NWS: Regions, Public Info Maps; Distance Calculators: (1), (2); Lat/Lon Finder: (1), (2); Elevations: Anywhere ICESat
• Glossaries: NWS, AMS, Severe Wx 1, Severe Wx 2, Geography; Acronyms/Contractions: SPC, WPC
• Other International Information: Everest, Europe Warnings, Brugge Weather News, WeatherOnline, World Climate, Weatherbase, Each Country's Elevation differences
• Fire Weather: SPC Fire Wx Outlooks, Incident Mapping, Active Fires, NIFC, Historical Statistics; Air Quality: Real-time, Fire & Smoke, US City Forecasts, Beijing, Satellite Aerosol Watch, EPA archive; Ozone: NWS, Ozone hole
• Tropical (General): NHC Home, Local Offices, CIRA, Realtime Stats, TT, Cyclonic Wx, Wx Nerds, Burg, CMC track, Caribbean Weather, Digital Typhoon, JTWC, Typhoon pronunciation
  Satellite: CIMSS, Atlantic Winds, Saharan Dust, RAMSDIS, NRL, MSFC, PSU, Before/After
  Radars: Satellite-Estimated, Mexico, Jamaica, Cuba, Puerto Rico, Bermuda, Oman/Yemen, List of Radars, Current and Archived Loops, Burg
  Models: TT, Genesis probabilities, AOML Viewer, HWRF, Cyclonic Wx; Ensembles: ECMWF, Superensemble, Weathernerds, UWM, UCAR, Model Tracks ESRL, Hart Probability
  Archives: NHC: 1998-, 1958-, Rainfall, Worst; NOAA Hurricane Tracker, TropicalTidbits, UWM, HURDAT, JHU SSTs, U.S. Landfalls, Rainfall Records/Analogs
• Educational Modules: UW animations, Academic Search Engines, Knowledge Exchange, Polar Vortex, QBO, Ensembles, Storm-relative hodographs, COMET MetEd, NWP, RTMA, Meteo 241, Meteo 361, 201 Interactives
  
• Meteo 101: Remote Sensing; Meteo 415: Cyclone monograph AMS, PSU-RFS
• Penn State Links: METEO Bulletin, Transfer Tool, Dept tour, We Earn, Assessment, EMS Online Guide, EMS Online Best Practices, Asynch Courses, Fall 2021, keeplearning.psu.edu, Remote Teaching Tips Video, Lynda
• Sports / PSU Athletics: GoPSUSports, WxSTEM & Football; Local Centre County History
• COVID Resources: HR Back-to-State, Student Orgs, PSU Covid Resources, Earth Observing Dashboard, Covid Tracking, JHU, Covid Projections, Covidexitstrategy, Covid Dashboard, WaPost FAQ
• Online Tools: Photo Editor, Alternative software, Next Great Read, Open Library, Learn to Code