NOUS41 KWBC 101514



Technical Implementation Notice 13-01

National Weather Service Headquarters Washington DC

1030 AM EDT Thu Jan 10 2013


TO:        National Weather Service (NWS) Offices

           Federal Aviation Administration (FAA)

           Family of Services (FOS) Subscribers

           Other Customers of NWS Aviation Forecasts


FROM:      Cynthia Abelman

           Chief, Aviation Services Branch


SUBJECT:   Changes to Collaborative Convective Forecast

           Product (CCFP) valid times effective March 1, 2013 


NOTE:      The following changes have no impact on NOAA

           Weather Wire Service subscribers


Effective March 1, 2013, 0800 Coordinated Universal Time

(UTC), the NWS Aviation Weather Center (AWC) in Kansas City, MO,

will cease production of the 2-hour valid Collaborative

Convective Forecast Product (CCFP) and will begin an 8-hour valid

forecast time period.


This change to the valid times of the CCFP is being made in

response to and in collaboration with the changing needs of the

FAA’s Strategic National Airspace System planning.  On March 1,

2013, CCFP will change from the valid times of 2 hours, 4 hours,

and 6 hours from issuance time, to 4 hours, 6 hours, and 8 hours

from issuance time.


The CCFP is a forecast of expected convective weather at 4-, 6-,

and 8-hours after issuance time, produced through a collaborative

process involving NWS meteorologists at the AWC and Center

Weather Service Units, and airline industry meteorologists.  It

is issued every 2 hours.  The CCFP exists as direct support to

the strategic, system-wide planning of FAA Traffic Flow

Management intended to reduce traffic flow disruptions that may

be caused by convective weather.  The CCFP begins March 1 and

runs through October 31 each year, covering the conterminous 48

United States and adjacent coastal waters.


The CCFP is issued as three separate ASCII text files under

distinct World Meteorological Organization (WMO) headers.


Current issued CCFP WMO Headers:


FAUS27 KKCI 2 Hour Forecast

FAUS28 KKCI 4 Hour Forecast

FAUS29 KKCI 6 Hour Forecast


On March 1, 2013, NWS will cease issuance of the FAUS27 KKCI 2

hour forecast and begin issuance of the FAUS30 KKCI 8 hour

forecast.  NWS will continue the FAUS28 KKCI 4 hour forecast and

FAUS29 KKCI 6 hour forecast.


Effective March 1, 2013 issued CCFP WMO Headers:


FAUS28 KKCI 4 Hour Forecast

FAUS29 KKCI 6 Hour Forecast

FAUS30 KKCI 8 hour Forecast


CCFP graphics are rendered by the NWS and viewable at:


Additional information on CCFP can be found at:



If you have any questions regarding the changes to CCFP,



M. Pat Murphy

Warning Coordination Meteorologist

Aviation Weather Center

Kansas City, MO 64153



National Technical Implementation Notices are online at: