Climate Variabilities


Unless otherwise noted, the real-time data on this page are provided in the public domain by NOAA, the National Weather Service, and the Climate Prediction Center. Maps of velocity potential and TRMM 3B42 rain rate are courtesy of Dr. Michael Ventrice. The images below are clickable, and you will be directed to the original source for more information.

Disclaimer: The information provided in this page is for general situational awareness and amateur forecasting purposes only and should not supersede the information provided by local officials during life-or-death situations. Reload this page for the latest updates.





QUICK LINKS: Situational Awareness | Global Circulation | El Niño Southern Oscillation (ENSO) | Madden-Julian Oscillation (MJO) |
Other Atmospheric Oscillations | Mid-Latitude Cyclones | Atmospheric Blocking




Situational Awareness


GMT/UTC

Rome

Dubai

New Delhi

Taipei

Honolulu

San Diego

Miami

 

Temperature Anomaly Outlooks
Day 6-10

Day 8-14

One Month


 
 

Three Months


 
 

Other 3-month outlooks at longer leads times: CPC Seasonal Temperature Outlooks
 

Precipitation Anomaly Outlooks
Day 6-10

Day 8-14

One Month


 
 

Three Months


 
 

Other 3-month outlooks at longer leads times: CPC Seasonal Precipitation Outlooks
More weekly, monthly, and seasonal outlooks: CPC Outlook Maps, Graphs, and Tables
 

Global Tropics Hazards & Benefits Outlook

This product is updated every Tuesday at 1800 UTC.

More information: Global Tropics Benefits/Hazards
Columbia University: IRI Climate and Society Map Room




Global Circulation

 

200 mb Height Anomaly

 

Northern Hemisphere 500 mb Height Anomaly

Southern Hemisphere 500 mb Height Anomaly

 

Pentad 500 mb Heights & Wind Speeds

Pentad 200 mb Heights & Wind Speeds

 

Pentad 850 mb Heights & Total Wind

Pentad 850 mb Heights & Wind Anomaly

 

Pentad 200 mb Heights & Total Wind

Pentad 200 mb Heights & Wind Anomaly




El Niño Southern Oscillation (ENSO)

 

Current ENSO Meter


Based on current Sea Surface Temperature (SST) Anomalies [°C] from NOAA Watch.
 
 

Current SST Anomaly

SST Anomaly Hovmöller

 

Weekly SST

Weekly SST Anomaly

Pentad Equatorial Temp

Pentad Equatorial Temp Anomaly

Equatorial 20°C Depth Hovmöller

Equatorial 20°C Depth Anomaly Hovmöller

 

Niño Region SST Relative to Climatology

Niño Region SST Anomaly


 
 
 
 
 

 

850 mb Wind Anomaly

200 mb Wind Anomaly

More ENSO maps: CPC ENSO Page




Madden-Julian Oscillation (MJO)

 

Normalized MJO Index

More information: CPC MJO Index

 

200 mb Velocity Potential Anomaly & Precipitation

200 mb velocity potential anomalies derived from GFS analyses (colored contours with 0.5 standard deviation intervals; blue=negative; red=positive) and TRMM 3B42 rain rates (shaded colors). Map is updated at each synoptic time with a 12-hour lag.
 

Loop: Last 7 days + Forecast
More information: Dr. Michael Ventrice’s Maps
 

MJO-filtered 200 mb Velocity Potential Anomaly, Precipitation, & Winds

MJO-filtered 200 mb velocity potential anomalies derived from GFS analyses (colored contours with 0.5 standard deviation intervals; blue=negative; red=positive), TRMM 3B42 rain rates (shaded colors), and 200 mb wind magnitude (black contours; 10 m/s intervals beginning at 40 m/s), 200 mb irrotational winds (vectors at least 4 m/s). Map is updated at each synoptic time with a 12-hour lag.
 

Loop: Last 7 days
More information: Dr. Michael Ventrice’s Tropical-Extratropical Interactions
 

MJO-filtered 200 mb Vel. Pot. Anomaly Hovmöller

MJO-filtered 850 mb Vel. Pot. Anomaly Hovmöller

 

TRMM 3B42 Total Rain Rate Hovmöller

TRMM 3B42 Total Rain Rate Anomaly Hovmöller

More relevant Hovmöller diagrams: Dr. Michael Ventrice’s Hovmollers

 

OLR Anomaly

OLR Anomaly Hovmöller


 
More information: CPC Filtered OLR Anomalies

 

850 mb Zonal Wind Anomaly Hovmöller

200 mb Zonal Wind Anomaly Hovmöller

 

GFS Ensemble MJO Forecast

ECMWF Ensemble MJO Forecast

CMC Ensemble MJO Forecast

UKMET Ensemble MJO Forecast

More information: CPC/CLIVAR Dynamical Model MJO Forecasts

 

GFS Ensemble Mean OLR Anomaly

GFS Ensemble Mean OLR Anomaly Hovmöller

More information: CPC Ensemble GFS
Other MJO products: CPC MJO Page and Dr. Michael Ventrice’s VPM Indices




Other Atmospheric Oscillations

 

North Atlantic Oscillation (NAO)

Pacific-North American Pattern (PNA)

Arctic Oscillation (AO)

Antarctic Oscillation (AAO)

More information: CPC Teleconnections

 

AO, NAO, PNA, & AAO Indices Comparison


 
More diagnostics: Dr. Michael Ventrice’s Miscellaneous Oscillations

AO Phase Space

NAO Phase Space

Quasi-Biennial Oscillation




Mid-Latitude Cyclones

 

90-Day Wave Train Diagnostics
N.H. 200 mb Tot. V-Wind

N.H. 200 mb V-Wind Anom.

S.H. 200 mb Tot. V-Wind

S.H. 200 mb V-Wind Anom.

More information: Dr. Michael Ventrice’s Hovmöllers

 

Cyclogenesis & Cyclolysis Distribution


 
 

 
 

 
 

Cyclone Tracks & Accumulated Precipitation

Cyclone Tracks & 925 mb Wind Speed

Cyclone Tracks & Wave Heights

More information: CPC Storm Tracks

 




Atmospheric Blocking

 

Northern Hemisphere Blocking Index

Southern Hemisphere Blocking Index

Northern Hemisphere 500 mb Height & Anomaly

Southern Hemisphere 500 mb Height & Anomaly

More information: CPC Blocking Index

 

GFS Forecasts for Blocking (Northern Hemisphere)
Day 0-4

Day 5-9

Day 10-14

More information: CPC GFS Forecasts for Blocking (Northern Hemisphere)

 

GFS Forecasts for Blocking (Southern Hemisphere)
Day 0-4

Day 5-9

Day 10-14

More information: CPC GFS Forecasts for Blocking (Southern Hemisphere)