Service Change Notice 15-06 nws headquarters Washington dc



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Service Change Notice 15-06


NWS Headquarters Washington DC
1145 AM EST Mon Feb 23 2015

To: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Manager Weather Information Network

-NOAAPORT

Other NWS partners and NWS employees
From: Mark Tew

Chief, Marine and Coastal Weather Services Branch


Subject: Change in Time Zones Used for Eastern Pacific Tropical

Cyclone Advisory Products Effective May 15, 2015


Effective May 15, 2015, the National Hurricane Center will begin issuing the Tropical Cyclone Public Advisory (TCP), Tropical Cyclone Update (TCU) and the Tropical Cyclone Discussion (TCD) using the time zone in which the storm is located. Atlantic basin advisory products have for many years been issued in varying time zones based on the location of the storm. This change extends that policy to the eastern North Pacific basin.
Currently, the TCP, TCU and TCD for the eastern Pacific are always issued using Pacific Time. The NWS has received feedback from users that this is occasionally confusing since much of Mexico is not in the Pacific Time zone. This problem was highlighted during Hurricane Odie in 2014 when some people in Cabo San Luis, Mexico (in Mountain Daylight Time) were confused about the landfall time of the cyclone.
To reduce public confusion, effective May 15, 2015, the TCP, TCU and TCD issuance times will be expressed in the following time zones, as determined by the initial storm position:
East of 106 degrees West Longitude: Central Time

106 – 115 degrees West Longitude: Mountain Time

West of 115 degrees West Longitude: Pacific Time
This change will be reflected in the Mass News Dissemination Date (MND)/Time Line and wherever time is referenced within the text of the TCP, TCU and TCD.
If you have questions, please contact:
John F. Kuhn

1325 East-West Highway

Silver Spring, MD 20910

Telephone: 301-427-9364



Email: John.F.Kuhn@noaa.gov
National Service Change Notices are online at:
http://www.nws.noaa.gov/om/notif.htm
$$
Directory: notification
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notification -> Service Change Notice 17-19 National Weather Service Headquarters Silver Spring, md
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notification -> Service Change Notice 17-16 Updated National Weather Service Headquarters Silver Spring, md

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