March 1999: Monitoring conditions along the Perú and Ecuador coast.
March 09, 1999
Todd:
Only in a few days ago good news for us.
Off shore the warm mass water intromission is returned back, coastal
upwelling and winds are recovering intensitive central region.
I hope this situation will continue, air and sea temparature are almost
normal for this time,
precipitation are less continuos.
Following are the last charts for Sea Surface Temperature and anomaly.
Source: FNMOC http://152.80.56.202/otis/otis.shtml
Source: http://psbsgi1.nesdis.noaa.gov:8080/PSB/EPS/SST/data/equatpac.REM.c.gif
Source: http://cnodds.nws.noaa.gov/
(Registered Users)
March 04, 1999.
Dear Dr. Mitchell,
from three weeks ago, we are observing for eastern ecuatorial Pacific
a rapidly warming,
an anomalous warm water offshore coastal band of Peru.
Will be this an stational summer warming?
Region Niño 3 index is 0°C
Region Niño 1+2 index is +0.75°C
this rate is very high for 3 weeks, if "la Niña" condition was
predominating from middle of
february.
I highly appreciated your comments, or available information on subject.
sincerely,
Eng. Mario Ramirez
Peruvian Sea Institute - IMARPE
email: mramirez@imarpe.gob.pe
website: http://www.imarpe.gob.pe/
----------------------------------------------------------------------------------------------------------
To look a little more at the SST signal offshore of Peru, I calculated the average weekly SST for the region of large SST anomalies in Mario's analysis above (5-15S, 84W-coast). The data is the NCEP 1-degree latitutude-longitude optimal interpolation data.
The first plot is for the years 1982, 1984-96. These are non-El
Niño years and it gives you a sense of the normal seasonal
march of SST off of the Peru coast.
The next plot is the same analysis with data for 1983, 1997, 1998, and early 1999 added. The last value of 1999 is for 28 February - 6 March.
