Michael J. Ventrice, Ph.D.
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Today's CCKW analysis based off Kelvin filtered VP200 using the 1.0 degree GFS

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Current snapshot of Atlantic rain rates (shaded), Kelvin filtered 200 hPa Velocity Potential anomalies (contours) and  200 hPa wind anomalies (vectors)
Kelvin Filtered 200 hPa VP anomalies are between +/-2 to +/-9 VPUs. Negative (Positive) Kelvin filtered 200 hPa VP anomalies are cold (warm) colored contours, representing upper-level divergence (convergence). For a 90 day time-longitude plot: Click Here

Kelvin filtered (Left) 200 hPa Velocity Potential and (Right) 200 hPa zonal wind anomalies
Convectively suppressed phase of the Kelvin wave:
RED contours
Convectively active phase of the Kelvin wave: BLUE dashed contours
Kelvin Filtered anomalies are standardized; CINT = 1 STD for VP200 only
For more information of Kelvin filtering methodology, please visit: Tropical-Waves

MJO analaysis + forecast based off MJO filtered VP200/VP850 using the 1.0 degree GFS

(Left) MJO filtered VP200 anomalies (contours; dashed if negative) and unfiltered VP200 anomalies (shaded) for the last 90 days with appeneded GFS forecast. (Right) Same, but for VP850.

Other latitudinal averaging:

VP200                                                       VP850
10S-0S     5S-5N     0N-10N                     10S-0S     5S-5N     0N-10N
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