NOTES ABOUT SOUTHERN CALIFORNIA WEATHER & CLIMATE © 2000-2024 Gary Valle'. All Rights Reserved.

IMPORTANT!! The information presented on this web site may include errors of transcription, interpretation, and other errors. The information may be out of date or inaccurate. Please refer to the NATIONAL WEATHER SERVICE FORECAST OFFICE LOS ANGELES or your local weather service office for official forecasts and warnings. LINKS - ARCHIVE - HOME

California Weather, Snowpack and Climate

QuickLook: Windy.com - CNRFC - GOES - RAMSDIS - NexSat - RRMLOX - PNSLOX - RMMSGX - MJO - TAO - MEI - Snow - Surf - SC ACIS2

                    ND Fcst - NCEP - ECMWF - GraphCast Exp - SFC - ARL - PSD - ReaLEarth - SPC SREF - AFDLOX - AFDHNX - WPC QPF - WPC PPG - TPW - HMT - CalWater

NWS Offices

• National Weather Service Forecast Office Los Angeles/Oxnard - Fastpage
• National Weather Service Forecast Office San Joaquin Valley/Hanford
• National Weather Service Forecast Office San Francisco Bay Area
• National Weather Service Forecast Office Sacramento
• National Weather Service Forecast Office San Diego
• National Weather Service Forecast Office Reno
• National Weather Service Forecast Office Las Vegas
• National Weather Service Forecast Office Phoenix
• National Weather Service Forecast Office Seattle

NWS Zone Forecasts

• Selected California Zone Forecasts:
  • L.A. Basin North
  • Central California Interior/ Southern Sierra Nevada/ Tehachapis
  • Northern California Interior/ Northern Sierra Nevada
  • South of L.A. Basin
  • Southeastern California/ Western Nevada

Prediction Centers & Labs

• Weather Prediction Center - Toolbox
• National Hurricane Center
• Storm Prediction Center
• Climate Prediction Center
• Ocean Prediction Center
• Environmental Modeling Center
• NOAA Earth System Research Laboratory
• International Research Institute for Climate Prediction

California Weather

• Selected RAWS Stations:
  
  

  Kernville Democrat Johnsondale Black Rock	Mt. Diablo Diablo Lakes Lane Glen Park Crissy Field Offshore Mt. Tam - Middle Peak Point Reyes	High Sierra Rock Creek Owens Valley
  Whitaker Peak Warm Springs Grass Mountain Acton	Mt. Wilson Mt. Wilson Towercam Mt. Wilson (CBS WU) Mt. Wilson (JPL) - Archive Mt. Harvard Henninger Flats	Mill Creek Clear Creek Chilao Big Pines Table Mountain (JPL)
  Saddle Peak Malibu Hills Malibu & Piuma Topanga	Simi Valley Chumash Trail (WU) Corriganville (SCE) Sage Ranch (SCE) Chatsworth Rsvr (Rain) West Hills North Ranch (SCE) Lone Oak Canyon (SCE) Cheeseboro Palo Comado (SCE) Las Virgenes TH (SCE) Thousand Oaks	Pt. Mugu Danielson Multi-Use Area Circle X Leo Carrillo
  San Jacinto	Heaps Peak Big Pine Flat Fawnskin Big Bear Airport Converse	Lost Horse Yucca Valley
  El Cariso	Alpine Julian Mt. Laguna	Furnace Creek Death Valley Natl Park Nr Stovepipe Wells

  
  
• California Interactive RAWS & METAR Map
• RAWS USA Climate Archive
• ALERTWildfire Webcams (Los Angeles & Orange Counties)
• AirNow Fire and Smoke Map
• Experimental RAP and HRRR Smoke Forecasts
• NWS Interactive California Weather
• MesoWest Interactive Maps
• Temperatures: Los Angeles/Oxnard CWA - San Diego CWA
• California Regional Weather Server (SFSU)
• SPC Mesoscale Analysis Pages
• KCQT Los Angeles (USC) Current Conditions
• Los Angeles Pierce College Weather Station Current Conditions (Woodland Hills)
• Atmospheric Soundings (Univ. of Wyoming)
• Upper Air Maps (Univ. of Wyoming)
• Observed Sounding Archive (Storm Prediction Center)
• Surface and Upper Air Maps (Storm Prediction Center)
• ACARS Plots
• Wind Profilers (CAP)
• Profiler Network Data & Image Library (ERSL/PSD)
• California Coastal Wind Profilers
• Pressure Gradients & Trend: NAMWRF - GFS (NWS Los Angeles/Oxnard)
• Hourly National Precipitation Analysis
• Southern California Temperature & Precipitation Summary
• California 24 hr Precipitation Table
• CPC U.S. Precipitation: Daily - 7 Day - Weekly - Monthly - 3 Month - Prev. Year
• RCC-ACIS - SC ACIS2 - SCENIC

Marine Observations & Forecasts

• Interactive Marine Observations
• Southern California Swell Model - Swell Height Map - Swell Height Plots
• NOAA Wavewatch III
• Ocean Prediction Center
• Southern California Wind Vectors
• Southern & Northern California Coastal Weather Observations
• Southern California Coastal Marine Forecasts
• Decoded Offshore Weather Reports
• StormSurf.com
• Surfline.com
• WetSand.com

Forecast Technical Discussions

• Southern California Technical Discussion
• Central California Interior Forecast Technical Discussion
• San Francisco Bay Area Forecast Technical Discussion
• Northern California Interior Technical Discussion
• Southwest California Technical Discussion
• Area Forecast Discussion Products
• Prognostic Map Discussion
• Extended Forecast Technical Discussion
• 6-10 Day Forecast Discussion - Tools
• Quantative Precipitation Forecast Discussion
• AMS Glossary of Meteorology
• ERSL/PSD Climate Glossary

Quantitative Precipitation Forecasts

• Los Angeles WFO
• HPC: Day 1 - Day 2 - Day 3 - Days 4-5 - Days 1-5 - Days 1-7 (Experimental)
• CNRFC: Graphical QPF - 24 hr. Basin QPF - Point QPF - 6-Day Basin QPF - HPC Discussion
• GOES Sounder Total Precipitable Water

Observed Precipitation

• CNRFC Southern California (Interactive)
• CNRFC Google™ Maps Interface
• San Luis Obispo - Santa Barbara - Ventura - Los Angeles County (Text)
• NWS Los Angeles/Oxnard Miscellaneous Hydrologic Data (Precipitation Summaries)
• NWS San Diego Miscellaneous Hydrologic Data (Precipitation Summaries)
• NWS San Diego Experimental Rainfall Summary Display (Google Maps Interface)
• Southern California Temperature & Precipitation Summary
• California 24 hr Precipitation Table
• COE LATS Telemetry
• L.A. County Dept. of Public Works - Water Resources Div.
• KCQT Los Angeles (USC) Current Conditions
• VCPWD Storm Data
• NWS Precipitation Analysis
• Climate Anomaly Maps and Tables - Western Regional Climate Center
• Current and Anticipated Precipitation Anomalies over the U.S. (ESRL/PSD)
• NWS Text Products by Issuing Center by Date (Iowa Environmental Mesonet)

Model Forecast Maps & Tools

• PSD Map Room Weather Products
• UCAR RUC, NAM and GFS Model Forecast Maps
• NCEP Model Analyses and Forecasts
• WRF Forecasts
• High-Resolution Rapid Refresh
• CIMSS Model Analyses and Forecasts (Experimental)
• EMC/NCEP Exp. Meso NAM Forecast Meteograms - SW - North America
• NCEP HiResWindow Forecast Page
• NCEP NAM Convective Forecasting
• Global Modeling Branch Daily Weather Maps
• Numerical Forecast Products from UAlbany
• Model Trends & Comparisons from UAlbany
• NWS Enhanced Data Display (Experimental)
• European Centre for Medium-Range Weather Forecasts (ECMWF)
• ECMWF Model Output & GFS Comparisons (SJSU)
• Weather.US - Models 3.0
• UKMET from University of Wyoming
• COLA/IGES
  • 4-Day Forecast for the Western United States
  • Metropolitan Meteograms
  • GFS Medium Range Forecast Model - 0-6 Days
  • GFS Short Range Forecast Model - 0-3 Days
  • NAM Forecast Model - 0-2 Days
• UniSys Weather
  • GFS Model Forecast Maps - Medium range model that forecasts out to 10 days.
  • ECMWF Model Forecast Maps - Medium range model that forecasts out to 6 days.
  • NAM Model Forecast Maps - Short term model that forecasts out to 60 hours.
  • RAP Model Forecast Maps - Short term model that forecasts out to 7 hours.
• Ohio State University Model Guidance
• NRL/FNMOC NAVGEM Grid Displays
• Canadian Meteorological Centre (CMC)
  • GEM - Global Configuration
  • GEM - Regional Configuration (24km)
• WeatherNerds
• yr.no Weather Forecasts - Map ( Norwegian Meteorological Institute & Norwegian Broadcasting Corporation)
• NOAA ARL READY Current Meteorology
• Northern Illinois University's Storm Machine
• Interactive Model Sounding Plots
• Jet Stream Analyses and Forecasts at 300 mb (SFSU)
• Storm Prediction Center Surface and Upper Air Maps & Archive
• Automated Atmospheric River Detection (ERSL/PSD)
• Atmospheric River Observatories
• Atmospheric River Forecast Products (CW3E)
• Atmospheric River Portal (PSU)
• HRRR-Smoke Model Fields (ERSL Experimental)

MOS Forecasts

• Current MOS Forecast Products
• NCEP Ensemble MRF MOS Graphics
• MOS Forecasts - Univ of Wyoming
• GFS: California - U.S. Map
• NGM: Bakersfield - Bishop - China Lake - Los Angeles - Palm Springs - Truckee - Van Nuys

Ensembles

• EMC Short Range Ensemble Forecasts
• SPC Short Range Ensemble Forecast
• SPC SREF Plumes
• NCEP Ensemble Forecasts
• PSD Reforecast Ensemble Forecasts
• NCEP Ensemble Precipitation Probability Page US Regional
• NCEP Relative Measure of Predictability
• North American Ensemble Forecast System (NAEFS) Products
• Climate Forecast System (CFSv2) Ensemble Products
• CFSv2 Forecast of Weekly Climate Anomalies
• Daily Ensemble Forecasts of Teleconnection Indices
• MRF Ensemble Components
• CMC Ensemble Forecasts

Archived Maps & Data

• Surface and Upper Air Maps Archive (Storm Prediction Center)
• NOAA National Operational Model Archive & Distribution System
• Global Forecasting Maps
• CSU Links to Archived Weather Data
• HDSS Access System
• Archived Data & Plots (Iowa Environmental Mesonet)

Model Verification and Performance

• Hydrometeorological Prediction Center
• NCEP/EMC Global Model Experimental Forecast Performance Statistics
• Global Modeling Branch
• Daily Precipitation Verification Plots
• Canadian Meteorological Centre
• Gridded Seasonal Verifications (CPC)
• Verification Summary (CPC)

Satellite Pictures and Loops - Radar

Satellite

• GOES Image Viewer
• RAMSDIS Online
• NESDIS Western U.S.: Infared Loop - Water Vapor Loop
• Southern California 1.5 km Resolution Visible Satellite Picture (NRL)
• Western US 4km GOES16 ABI Infrared Satellite Image (NRL)
• West Coast Infrared Satellite Picture (NOAA)
• West Coast Infrared Satellite Loop(NOAA)
• West Coast Water Vapor Satellite Picture(NOAA)
• West Coast Water Vapor Satellite Loop(NOAA)
• NexSat
• MODIS Rapid Response System (NASA) - includes KMZ, GeoTIFF and higher resolution imagery.
• Earth Explorer (USGS) - GeoTIFF and higher resolution imagery.
• CIMSS Satellite Blog
• NRL Experimental Rainfall Rates
• GOES Temperature and Moisture Soundings
• SSEC - U of Wisconsin-Madison: Geostationary Satellite Imagery
• CIMSS - U of Wisconsin-Madison: Eastern North Pacific GOES West Satellite Derived Winds and Analyses
• RealEarth
• NOAA Geostationary Satellite Server
• Archived GOES-10 & GMS Satellite Imagery - Mauna Kea Weather Center
• Manual of Synoptic Satellite Meteorology (ZAMG)

Radar

• NWS Pacific Southwest Sector Composite Base Reflectivity
• NWS Enhanced Radar
• NWS RIDGE Image and Warning Output to KML/KMZ
• Doppler Radar (Intellicast) Composite Image - 24 Hr. Precipitation Estimate - Cell Movement and Height - Yesterday
• Doppler Radar (Weather Channel)- Southwest U.S. - Northwest U.S.
• NCAR/RAP's NEXRAD Radar Data Archives Viewer
• NCDC Radar Data

Lightning

• USPLN Lightning Data
• Lightning Explorer
• US/CA Boltek Lightning Sites
• OC Weather StormVue
• SLOWeather.com StormVue - SLO Lightning

Longer Term Outlooks

• 10-Day Precipitation Outlook for the Conterminous U.S.
• NCEP Ensemble 500mb Animation
• North American Multi-Model Ensemble (CPC)
• Monthly and Three-Monthly Temperature and Precipitation Outlook
• Long-Lead Precipitation Forecast
• Long-Lead Temperature Forecast
• U.S. Hazards Outlook
• NWS SUite of Official Forecast Products (From the CPC)
• Western Regional Climate Center
• Nothern Hemisphere Teleconnection Patterns
• Daily Ensemble Forecasts of Teleconnection Indices (ESRL/PSD)
• Observed & Forecast Teleconnection Indices (CPC)
• CPC Long Lead Briefing Materials

California Snowpack

• Snow Conditions
  • February Snow Courses
  • March Snow Courses
  • April Snow Courses
  • May Snow Courses
• National Operational Hydrologic Remote Sensing Center - SWE Observations
• Daily Snow Sensor Report
• Daily Summary of Snow Water Equivalents
• Bulletin 120 - Runoff Forecast - Weekly Update
• Daily Water Resources Update from the N.W.S. California-Nevada River Forecast Center and the California Department of Water Resources.
• Forecast Peak 1-Day Streamflow Volume & Date (CNRFC)
• Observed and Forecast Precipitation by River Basin
• Sierra Web Cam Links
• Mammoth Mountain Ski Patrol - Weather, Snow & Avalanche Data
• Eastern Sierra Avalanche Bulletin
• Central Sierra Avalanche Forecast
• BestSnow.net - Your Guide to Snowfall
• Southern California Snow & Forecast
• Northern California Snow & Forecast
• Early Season Snowpack and Seasonal Snowpack in the Upper Kern River Basin, 1970-2000

Climate: El Niño/Southern Oscillation (ENSO), La Niña, GSDM, GWO, MJO, PDO

Current Conditions & Analysis

• Tropical Ocean Atmosphere Project
• Current Global SST Anomaly Charts and Archive (NOAA)
• Global SST Anomaly (CDC)
• Sea Surface Temperatures & Anomalies (PSL)
• El Niño Index Dashboard (PSL)
• El Niño and La Niña - Climate Prediction Center
• El Niño/Southern Oscillation (ENSO) Diagnostic Advisory
• ENSO Blog (Climate.gov)
• Monthly Atmospheric and SST Indices
• OISST.v2 Nino Regions SST Anomaly
• Oceanic Niño Index (ONI) - Warm & Cold Episodes by Season
• Multivariate ENSO Index (MEI)
• El Niño Comparison Chart (SoCal WxNotes)
• La Niña Comparison Chart (SoCal WxNotes)
• El Niño Wrap-Up - Australia Bureau of Meteorology
• ENSO Products - International Research Institute for Climate& Society
• CPC Monitoring Intraseasonal Oscillations
• Global Satellite Imagery (NRL)
• Madden - Julian Oscillation (CPC)
  • Daily Madden-Julian Oscillation Indices
  • MJO Weekly Update (PDF)
  • MJO Forecasts
  • Historical MJO Indices
• Madden-Julian Oscillation (Australia Bureau of Meteorology)
• US CLIVAR MJO Working Group
• RMM (Real-time Multivariate MJO) Index (CICS-NC)
• El Niño/Southern and Madden - Julian Oscillations (CNRFC)
• The Pacific Decadal Oscillation (PDO)
• CIRA AMSU
• NESDIS Operational Blended TPW Products - Global Animation (NOAA)
• SSMI/SSMIS/TMI-derived Total Precipitable Water - East Pacific
• CPC Global Hazards Briefing
• Westerly Wind Burst Monitoring (CPC CDAS 850-hPa Wind Anomalies)
• PSL Map Room
• GSDM/GWO (ESRL/PSD)
• GWO & Forecast GWO (Nicholas Schiraldi, Univ of Albany)
• Global Circulation (ESRL/PSD)
• 200-hPa Stream Function Animation (CPC)
• Monthly Standardized Streamfunction Anomaly and Climatology (IRI/NCEP)
• Climate System Monitoring (Tokyo Climate Center)
• Global Circulation and Anomalies - 150mb Daily - 150mb 7 Day - 250mb Daily - 250mb 7 Day (CDC)
• Stratospheric Monitoring - SRG FU Berlin - CPC - Tokyo Climate Center

Forecasts & Research

• CFS Forecast of Monthly and Seasonal Climate Anomalies
• CFS Forecast of Monthly and Seasonal Climate Anomalies (1982-2010 climatology and PDFC/AmpC Corrections)
• CFSv2 Forecast of Weekly Climate Anomalies
• Climate Forecast System (CFSv2) Ensemble Products
• Multi-Season & Multi-Model NMME Forecasts (CPC)
• Climate Model Summary - Australia Bureau of Meteorology
• CPC Three Month Outlooks
• Long-Lead Precipitation Forecast
• Verification Summary (CPC)
• Gridded Seasonal Verifications (CPC)
• Precipitation and Temperature Forecasts - International Research Institute
• ECPC/NCEP Forecasts
• Precipitation Forecast Products Based on NCEP GEFS Reforecasts, Version2 (ESRL/PSD)
• Interior Southwest Precipitation Outlook (ESRL/PSD)
• Madden-Julian Oscillation Real Time Forecasts
• MJO Wheeler/Hendon RMM Forecast Plots (ESRL/PSD)
• The MJO Experimental Prediction Project (ESRL/PSD)
• CDC Climate Research Spotlight
• Atmospheric Insights

Climate Data

• Daily Climatological Report - Selected California locations.
• CPC U.S. Precipitation: Daily - 7 Day - Weekly - Monthly - 3 Month - Prev. Year
• Climate Data Online - National Climatic Data Center
• Western U.S. Climate Historical Summaries & Probabilities - Western Regional Climate Center
• Climate Anomaly Maps and Tables - Western Regional Climate Center
• RCC-ACIS - SC ACIS2 - SCENIC
• The Climate Analyzer
• Extreme Weather Watch

ENSO & Climate

• ENSO Composites (ESRL)
• An Analysis of El Niño, La Niña and California Rainfall
• El Niño and California Precipitation
• El Niño / La Niña and Extreme Daily Precipitation and Streamflow Values. (WRCC)
• El Niño and the Western U.S., Alaska and Hawaii (WRCC)
• Animatons of the Current and Recent El Niño Events

Reanalysis

• CDC Historical Atmospheric Variables Plotting Page
• CDC Historical Daily Mean Composites
• US Climate Divisions Plotting Page
• US Climate Division Dataset Seasonal Correlation Page
• Climate Indices: Monthly Atmospheric and Ocean Time Series
• CDC Linear Correlations in Atmospheric Seasonal/Monthly Averages
• Time Section Plots Using NCEP Daily Data

Also see Kern Flows, Snowpack and Weather on SierraSouth.com.

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