Each day during the ice 

 season, IIP prepares the 

 OOOOZ and 1200Z ice bulle- 

 tins warning mariners of the 

 southwestern, southern, and 

 southeastern limits of ice- 

 bergs. U.S. Coast Guard 

 Communications Station 

 Boston, Massachusetts, NMF/ 

 NIK, and Canadian Coast 

 Guard Radio Station St. John's 

 Newfoundland/VON were the 

 primary radio stations re- 

 sponsible for the dissemina- 

 tion of the ice bulletins. Other 

 transmitting stations for the 

 bulletins included Canadian 

 Forces Meteorological and 

 Oceanographic Center 

 (METOC) Halifax, Nova 

 Scotia/CFH and U.S. Navy 

 LCMP Broadcast Stations 

 Norfolk/NAM, Thurso, Scot- 

 land; Keflavik, Iceland; Key 

 West, Florida; and Rota, 

 Spain. 



IIP also prepares a daily 

 facsimile chart graphically 

 depicting the limits of all known 

 ice for broadcast at 1 600Z. 

 U. S. Coast Guard Communi- 

 cations Station Boston as- 

 sisted with the transmission of 

 these charts. Canadian 

 Forces METOC, Halifax/CFH, 

 and AM Radio Station 

 Bracknell/GFE, United King- 

 dom used Ice Patrol limits in 

 their broadcasts. Canadian 

 Coast Guard Radio Station St. 

 John's/ VON and U.S. Coast 

 Guard Communications Sta- 

 tion Boston / NIK provided 

 special broadcasts. 



The International Ice 

 Patrol requested that all ships 

 transiting the areaof the Grand 

 Banks report ice sightings, 

 weather, and sea surface 

 temperatures via Canadian 

 Coast Guard Radio Station St. 

 John'sA/ON or U. S. Coast 



Guard Communications Sta- 

 tion Boston/NIK. Response 

 to this request is shown in 

 Table 5. Appendix A lists all 

 contributors. IIP received re- 

 layed information from the 

 following sources during the 

 1990 ice year: St. John's VON; 

 ECAREG Halifax, Canada; 

 U.S. Coast Guard Communi- 

 cations and Master Station 

 Atlantic, Chesapeake, Vir- 

 ginia; and U.S. Coast Guard 

 Automated Merchant Vessel 

 Emergency Response/Op- 

 erational Computer Center, 

 New Yori<. Commander, In- 

 ternational Ice Patrol extends 

 a sincere thank you to all sta- 

 tions and ships which con- 

 tributed. 



TOTAL 



23 



70.1 



30 



186.5 



53 



256.6 



Page 9 



