556 
WTNT21 KNHC 210832 
TCMAT1 
 
TROPICAL STORM ARLENE FORECAST/ADVISORY NUMBER 8 
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012017 
0900 UTC FRI APR 21 2017 
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. 
 
TROPICAL STORM CENTER LOCATED NEAR 40.0N 48.0W AT 21/0900Z 
POSITION ACCURATE WITHIN 30 NM 
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 27 KT 
 
ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB 
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 
34 KT.......200NE 100SE 0SW 120NW. 
12 FT SEAS..300NE 240SE 90SW 180NW. 
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL 
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. 
 
REPEAT...CENTER LOCATED NEAR 40.0N 48.0W AT 21/0900Z 
AT 21/0600Z CENTER WAS LOCATED NEAR 40.0N 46.3W 
 
FORECAST VALID 21/1800Z 39.5N 50.4W...POST-TROPICAL 
MAX WIND 40 KT...GUSTS 50 KT. 
34 KT... 0NE 0SE 90SW 150NW. 
 
FORECAST VALID 22/0600Z...DISSIPATED 
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.0N 48.0W 
 
NEXT ADVISORY AT 21/1500Z 
 
$$ 
FORECASTER STEWART