The Indices subdirectory contains current monthly atmospheric and SST index values including all those located in Table 1. of the Climate Diagnostics Bulletin. The starting dates of the index values varies with the earliest being 1951 for the filenames without extensions. All the files contain the orignal data, anomaly, and standardized data, except the ones with the ( .his) extensions. The ( .his) files contain data prior to 1951. The following gives a brief explanation of each file. *** Please note Sea Surface Temperature (Nino1,2,3,&4) change *** *** in Section IV. *** ( Note: The index values are updated around the 10th of each month. If you have questions or need more information please send a message to: **************************************************************************** _____--_ /\ Don Garrett | \/ / Dept of Commerce, NOAA, email : wd52dg@sun1.wwb.noaa.gov \ \ Climate Analysis Center, Ph : (301) 763 - 8227 \___ ___ / Camp Springs, MD 20746, Fax : (301) 763 - 8395 \ / \| ****************************************************************************) I. Winds File Description zwnd200 200 MB Zonal Winds Equator (165W-110W) wpac850 850 MB Trade Wind Index(135E-180W) 5N-5S West Pacific cpac850 850 MB Trade Wind Index(175W-140W) 5N-5S Central Pacific epac850 850 MB Trade Wind Index(135W-120W) 5N-5S East Pacific singa30 30 MB Singapore Winds singa50 50 MB Singapore Winds II. Sea Level Pressure File Description darwin Darwin Sea Level Pressure tahiti Tahiti Sea Level Pressure easter Easter Sea Level Pressure rapa Rapa Island Sea Level Pressure easrap (Easter + Rapa) Sea Level Pressure raptah (Rapa - Tahiti) Sea Level Pressure darwin.his Darwin (SLP) 1882 - 1950 tahiti.his Tahiti (SLP) 1882 - 1950 III. Southern Oscillation Index (SOI) File Description soi (Stand Tahiti - Stand Darwin) Sea Level Pressure soi.his (Stand Tahiti - Stand Darwin) SLP 1882 - 1950 IV. Sea Surface Temperature *** Warning: THE NINO REGION SST'S HAVE BEEN RECOMPUTED! *** The numbers may vary slightly from the previous version. The SST blend product that previously produced the SST values was discontinued on December 31, 1994. An Optimum Interpolation (OI) procedure was developed that recalculated the Nino 1,2,3,&4 region SST's, which replaces the old SST Blend product. The new OI file is called . The values using the old method can still be found through anonymous ftp to: nic.fb4.noaa.gov:/pub/cac/cddb/indices in file name . For further details on how the new SST values were calculated please contact: **************************************************************************** Diane Stokes or Dick Reynolds Dept of Commerce, NOAA, email : wd01dm@sun1.wwb.noaa.gov Climate Analysis Center, email : wd01rr@sun1.wwb.noaa.gov Camp Springs, MD 20746 Ph : (301) 763 - 8396 Fax : (301) 763 - 8395 **************************************************************************** File Description New --> sstoi.indices Nino 1+2 (0-10S)(90W-80W) Nino 3 (5N-5S)(150W-90W) Replaces -> nino Nino 4 (5N-5S)(160E-150W) ship1 West Coast of Americas SST (Known as Ship Track 1) ship6 Hawaii Fiji SST (Known as Ship Track 6) ship1.his West Coast of Americas SST 1921 - 1950 ship6.his West Coast of Americas SST 1921 - 1950 V. Temperatures File Description z500t Zonally Average 500 MB Temperature Anomalies VI. Outgoing Long Wave Radiation File Description olr Outgoing Long Wave Radiation Equator (160E-160W) VII. NH Teleconnection pattern indices File Description tele_index.nh Standardized Amplitudes of NH teleconnection patterns