20060111: ICAO-TAF

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20060111: ICAO-TAF
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Wed, 11 Jan 2006 08:06:40 -0700

http://weather.gov/datamgmt/notices.shtml 2006/01/23 1500Z
DM 01-06.01 XTF ICAO TEST.

NOXX10 KWBC 101845
DATA MGT MESSAGE 01-06.01

TO  AWIPS/NOAAPORT USERS.. FAMILY OF SERVICES/FOS/SUBSCRIBERS...
   EMERGENCY MANAGERS WEATHER INFORMATION NETWORK /EMWIN/
   NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS... WAFS USERS...
   GTS USERS... NWS FAX CHART USERS

FROM  RTH WASHINGTON DATA MANAGEMENT

On January 23rd and 24th 1500 UTC the ICAO 30 hour TAF format will be tested. 
This
testing is in response to a limited amount of users that have a need for the 30 
hour
TAF. There are several different formats that are being tested and evaluated by 
the
users.

Below is an example of the next test format of a 30 hour TAF. This test will 
follow
the proposed ICAO 30 hour TAF. The ICAO 30 hour TAF would extend the current 24 
hour
TAF out to 30 hours. However since the user may not be aware of what date a 
change is
taking place...the date would be included in every line.

FTXX90 KWBC 121150
TAF KXYZ 181130Z 18121918 08008KT P6SM SCT070 BKN250
FM182000 12008KT P6SM BKN150
TEMPO 18221902 BKN070
FM190200 15005KT P6SM BKN050 OVC100
PROB30 19061910 12010KT P6SM FEW005 OVC025
FM191500 32007KT P6SM SKC

So in the above example...
-FTXX90 is the test message
-TAF is representing a 30 hour aviation forecast
-KXYZ is a dummy station
-In the first line of the example, the TAF was issued by the NWS office at 
1130Z on

1800 GMT
- In the second line the FROM group is valid the 18th at 2000 GMT

- In the 4th line the FROM group is valid the 19th at 0200 GMT
- In the 5th line the PROB group is valid the 19th 0600 GMT thru the 19th at 
1000 GMT
- In the 6th line the FROM group is valid the 19th at 1500 GMT

Once again, the test date is Jan 23rd and 24th at 1500 UTC. To be included in 
this
test and to provide feedback on how your software was able to handle...or not 
able to
handle the proposed ICAO 30 hour format...please contact:


Mike Graf
Aviation Services Branch NWSH
301-713-1726 X 117
Or by email,  Michael.graf@xxxxxxxx

component beyond the normal 24 hour TAF...rather than do a 30 hour TAF. This 
product

24 hour TAF. The XTF was sent out under the WMO ID of XTF. The XTF is intended 
for
long haul airlines that need an additional 6 hours of aviation forecasts in a 
TAF

coding changes by many users...the XTF attempts to simplify the issue by not 
changing

TAF. This means users that don't have a interest in the 30 hour TAF...can 
continue to
receive a 24 hour TAF...with no change. For review purposes, a sample XTF is 
below.

FTXX90 KWBC 121150
XTF KXYZ 121138Z 131218 08005KT P6SM BKN020

So in the above example...
-FTXX90 is the test message
-XTF is the new 24 to 30 hour portion that goes beyond of a normal 24 hour TAF
-KXYZ is a dummy station
-In this example, the XTF was issued by the NWS office at 1138Z on the 12th. But
covers the valid period from 12-18Z on the 13th.
-No changes to the software coding of the current TAF

FOR FOS/NOAAPORT AND NON-AWIPS CUSTOMERS - IF YOU  HAVE ANY
QUESTIONS REGARDING ROUTING OR WOULD LIKE TO ADD THESE
PRODUCTS TO YOUR DATASTREAM PLEASE CONTACT.


Data Management
EMail   nws.dm@xxxxxxxx

THIS INFORMATION IS ALSO POSTED ON THE NWS DATA MANAGEMENT CHANGE

NOTICES WEB PAGE. THE URL IS LISTED BELOW.

http://weather.gov/datamgmt/index.html DATA MANAGEMENT
TELECOMMUNICATION OPERATIONS CENTER
RTH WASHINGTON SENDS
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is listed below.

http://help.nws.noaa.gov/cgi-bin/doit.cgi?201~-506,,,,1:467:1

Thank you for using our CRM System.
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Regards,

Richard A. Robinson III
Data Manager
Work    301-713-0880  ext. 179
Fax     301-713-1409
Cell    240-393-3337
DOC/NOAA/NWS/CIO11