Service Change Notice 11-38
National Weather Service Headquarters
230 PM EST Tues Nov 22 2011
-Family of Services
-NOAA Weather Wire Service
-Emergency Manager Weather Information Network
Other NWS partners and NWS employees
FROM: Therese Z. Pierce
Chief, Marine and Coastal Services Branch
SUBJECT: Changes to the format of the Marine Forecast
Matrices Issued by Weather Forecast Office
Effective Thursday, March 1, 2012, at 400 AM Hawaiian Standard Time (HST), 1400 Coordinated Universal Time (UTC), the National Weather Service (NWS) Weather Forecast Office (WFO) in
This change is being made to improve the clarity, readability and utility of the text product.
for examples of the current format and proposed new format of the affected portions of the product.
Table 1 lists the product issued by WFO Honolulu that will
be affected by the change to the MFM format.
Table 1: WFO
PRODUCT NAME WMO HEADING AWIPS ID
Marine Forecast Matrices FXHW40 PHFO MFMHFO
Customers do not need to take any actions in order to continue receiving this product.
If you have any questions or comments, please contact
Meteorologist in Charge
National Weather Service
808 973 5282
National Service Change Notices are online at: