NOUS41 KWBC 211510



Technical Implementation Notice 14-09

National Weather Service Headquarters Washington DC

1010 AM EST Fri Feb 21 2014


TO:       National Weather Service (NWS) Offices

          Federal Aviation Administration (FAA) Customers

          Family of Services (FOS) Subscribers

          Other Customers of NWS Aviation Forecasts


FROM:     Cyndie Abelman

          Chief, NWS Aviation Branch


SUBJECT:  Alaska Aviation Weather Unit to Issue AIRMETs

          Three Times Per Day Effective September 18, 2014       


The following changes have no impact on NOAA Weather Wire Service



Effective 700 AM Alaska Daylight Time (AKDT), 1500 Coordinated

Universal Time (UTC) September 18, 2014, the Alaska Aviation

Weather Unit will begin issuing AIRMETs 3 times per day.


The new issuance times will be 415 AM, 1215 PM, and 815 PM Local

Alaska Time, or 0515 UTC, 1315, and 2115 UTC during standard time

and 0415, 1215, and 2015 UTC during daylight savings time. Each

AIRMET will be valid for 8 hours from the initial issuance time. 

Updates will be provided as needed.     


The Area Forecast WMO headers impacted are:






For questions, please contact


Don Moore

National Weather Service Alaska Aviation Weather Unit

Anchorage, AK 99502

Phone: 907-266-5116



National Technical Implementation Notices are online at: