20000406: GRIDDED ULTRA VIOLET INDEX

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20000406: GRIDDED ULTRA VIOLET INDEX
• From: Don Murray <dmurray@xxxxxxxxxxxxxxxx>
• Date: Thu, 06 Apr 2000 08:48:45 -0600

496 
NOUS41 KWBC 061350
PNSWSH
       
PUBLIC INFORMATION STATEMENT...SERVICE CHANGE NOTICE 00-42
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1000 AM EDT THU APR 6 2000
 
TO        FAMILY OF SERVICES/FOS/SUBSCRIBERS...NOAA WEATHER
          WIRE SERVICE/NWWS/SUBSCRIBERS...OTHER NATIONAL
          WEATHER SERVICE/NWS/CUSTOMERS...NWS EMPLOYEES
       
FROM      THERESE Z PIERCE...CHIEF...HYDROMETEOROLOGICAL SERVICES
                 
SUBJECT   GRIDDED ULTRA VIOLET INDEX /UVI/ DATABASE AVAILABLE VIA
          THE INTERNET MAY 1 2000
 
     EFFECTIVE MAY 1 2000...THE NATIONAL WEATHER SERVICE
/NWS/...CLIMATE PREDICTION CENTER WILL PROVIDE GRIDDED ULTRA
VIOLET INDEX /UVI/ DATA VIA THE INTERNET.  THIS DATA WILL BE IN
ADDITION TO THE CURRENT DAILY 58-CITIES UVI FORECAST BULLETIN
/NMCUVICAC AND AEUS41 KCCC...CCC BEING THE LOCAL NWS OFFICE
NODE/.  
 
     THE DATA WILL BE IN GRIB FORMATTED FILES. ONE FILE WILL
CONTAIN THE UVI FIELD FOR THE CONUS /GRID 211/...AND THE OTHER
FILE FOR ALASKA /GRID 207/. THESE FILES WILL BE LOCATED UNDER TWO
DIFFERENT INTERNET FTP SERVER DIRECTORIES. THE DIRECTORIES AND
FILENAMES ARE AS FOLLOWS:
 
**FIRST SERVER**
DIRECTORY -         FTP://140.90.6.103/NCEPC/
SUB-DIRECTORY -     UV.YYYYMMDD /YYYYYMMDD IS YEAR MONTH AND DAY /
FILENAMES -         UV.G211.PGRB /CONUS GRID 211/
                    UV.G207.PGRB /ALASKA GRID 207/
 
     NOTE: THERE WILL BE A DIFFERENT SUB-DIRECTORY FOR EACH DAY
 
**SECOND SERVER**
DIRECTORY -         FTP://FTP.NCEP.NOAA.GOV/PUB/CPC/LONG/UV/
FILENAMES -         UV.G211.PGRB /CONUS GRID 211/
                    UV.G207.PGRB /ALASKA GRID 207/
 
     NOTE: THE TWO FILES WILL BE OVERWRITTEN EACH DAY
 
     THE DATA WILL BE IN UNITS OF WATTS PER METERS SQUARED.  EACH
VALUE NEEDS TO BE MULTIPLIED BY 40 TO ARRIVE AT THE WORLD
METEOROLOGICAL ORGANIZATION /WMO/ STANDARD UVI UNIT.  THE
RESULTANT NUMBER IS CATEGORIZED BY ONE OF FIVE ENVIRONMENTAL
PROTECTION AGENCY /EPA/ EXPOSURE LEVELS: 0 - 2 /MINIMAL/...3 TO 4
/LOW/...5 TO 6 /MODERATE/... 7 TO 9 /HIGH/..10 AND GREATER /VERY
HIGH/. 
 
     
     AVAILABILITY OF THE DATABASE IS DEPENDENT UPON INTERNET
ACCESSIBILITY.  QUESTIONS CONCERNING THESE UVI GRIB DATA FILES
SHOULD BE ADDRESSED TO: 
 
ALVIN /JIM/ MILLER       -OR-      CRAIG LONG
301-763-8000 X7552                 301-763-8000 x7557
ALVIN.MILLER@xxxxxxxx              CRAIG.LONG@xxxxxxxx 
 
THIS AND ALL OTHER NWS SERVICE CHANGE NOTICES ARE POSTED ON /USE
LOWER CASE/  HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM
 
END