Tropical Storm ARLENE
National Hurricane Center (NHC)
WTNT31 KNHC 210832
Tropical Storm Arlene Advisory Number 8
NWS National Hurricane Center Miami FL AL012017
500 AM AST Fri Apr 21 2017
…ARLENE MOVING QUICKLY WESTWARD OVER THE OPEN ATLANTIC…
…STILL EXPECTED TO DISSIPATE LATER TODAY…
SUMMARY OF 500 AM AST…0900 UTC…INFORMATION
ABOUT 1135 MI…1825 KM WNW OF THE AZORES
MAXIMUM SUSTAINED WINDS…50 MPH…85 KM/H
PRESENT MOVEMENT…W OR 270 DEGREES AT 31 MPH…50 KM/H
MINIMUM CENTRAL PRESSURE…993 MB…29.33 INCHES
WATCHES AND WARNINGS
There are no coastal watches or warnings in effect.
DISCUSSION AND 48-HOUR OUTLOOK
At 500 AM AST (0900 UTC), the center of Tropical Storm Arlene was
located near latitude 40.0 North, longitude 48.0 West. Arlene is
moving toward the west near 31 mph (50 km/h) and this general motion
is expected to continue today.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Little change in strength is expected, and Arlene is forecast to
become absorbed by a large extratropical low and dissipate later
Tropical-storm-force winds extend outward up to 230 miles (370 km)
from the center.
The estimated minimum central pressure is 993 mb (29.33 inches).
HAZARDS AFFECTING LAND
Next complete advisory at 1100 AM AST.
— Met Office Storms (@metofficestorms) April 21, 2017
METAREA4 / HURRICANE_ADVISORY / 0832
WTNT21 KNHC 210832
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
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