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30-YEAR MEDIAN OF ICE 



CONCENTRATION 



MEDIANE SUR 30ANS 



DE LA CONCENTRATION DES GLACES 



Leg«nd/L«Bcnde 



Canada 

 Figure 6. Median ice concentrations for 12 March. (Map Courtesy of the Canadian Ice Service) 



With the exception of an isolated patch of 

 ice near Fogo Island, the southern ice edge 

 had retreated to the vicinity of Cartwright by 

 month's end. A southern ice edge at this 

 location is typical of early June. 



The iceberg population in April 

 remained well north of the shipping lanes. 

 Three HP flights from 23 to 25 April showed 

 there were no icebergs or radar targets south 

 of 49°N. On the other hand, PAL conducted 

 intensive aerial reconnaissance with good 

 visibility off the entire length of the 

 Labrador coast on 28-29 April. They found 

 an extensive iceberg population, mostly 

 within the sea-ice (Figure 7). 



The easternmost (51°31'N and 

 49°05"W) estimated iceberg position for the 

 season occurred on 14 April. 



May 



The record-setting warmth continued 

 in Labrador in May with both Goose Bay and 

 Nain setting new records for the high 

 monthly mean temperature. 

 The anomaly at Nain was nearly 5°C greater 

 than normal while at Goose Bay it was 4.3°C 

 above. Unusually warm air and sea 

 temperatures fueled the rapid sea-ice retreat. 

 The sea surface temperature anomaly was 

 1°C greater than normal (Figure 8) along the 

 mid-Labrador coast and over 2°C in the 

 central Labrador Sea near the location of 

 Ocean Station B (56°30'N 52°30'W). 



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