【讨论飓风】北大西洋飓风AL152017
Satellite images indicate that the disturbance has become better
organized and is now classified as a tropical depression.
At 200 PM AST (1800 UTC), the center of Tropical Depression Fifteen
was centered near latitude 11.9 North, longitude 51.6 West. The
depression is moving toward the west near 20 mph (30 km/h). A
slower west-northwest motion is expected during the next couple of
days. On the forecast track, the system is expected to approach the
Leeward Islands on Monday.
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Strengthening is expected during the next 48 hours. The depression
is forecast to become a tropical storm later today and could be near
hurricane strength when it approaches the Leeward Islands.
The estimated minimum central pressure is 1006 mb (29.71 inches).
organized and is now classified as a tropical depression.
At 200 PM AST (1800 UTC), the center of Tropical Depression Fifteen
was centered near latitude 11.9 North, longitude 51.6 West. The
depression is moving toward the west near 20 mph (30 km/h). A
slower west-northwest motion is expected during the next couple of
days. On the forecast track, the system is expected to approach the
Leeward Islands on Monday.
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Strengthening is expected during the next 48 hours. The depression
is forecast to become a tropical storm later today and could be near
hurricane strength when it approaches the Leeward Islands.
The estimated minimum central pressure is 1006 mb (29.71 inches).
Hurricane Maria Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL152017
745 PM AST Mon Sep 18 2017
...HURRICANE HUNTER AIRCRAFT FIND MARIA AS CATEGORY 5 HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE...
Air Force Reserve hurricane hunter aircraft data indicate Hurricane
Maria has intensified into an extremely dangerous Category 5
hurricane on the Saffir-Simpson Hurricane Wind Scale with maximum
winds of 160 mph (260 km/h) with higher gusts. A special advisory
will be issued at 800 PM AST (0000 UTC) in lieu of the scheduled
intermediate advisory for Maria.
SUMMARY OF 745 PM AST...2345 UTC...INFORMATION
---------------------------------------------------
LOCATION...15.3N 61.1W
ABOUT 15 MI...25 KM ESE OF DOMINICA
ABOUT 40 MI...70 KM N OF MARTINIQUE
MAXIMUM SUSTAINED WINDS...160 MPH...260 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...929 MB...27.43 INCHES
$$
Forecaster Brown/Blake
NNNN
恭喜北大又诞生一个C5！！
NWS National Hurricane Center Miami FL AL152017
745 PM AST Mon Sep 18 2017
...HURRICANE HUNTER AIRCRAFT FIND MARIA AS CATEGORY 5 HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE...
Air Force Reserve hurricane hunter aircraft data indicate Hurricane
Maria has intensified into an extremely dangerous Category 5
hurricane on the Saffir-Simpson Hurricane Wind Scale with maximum
winds of 160 mph (260 km/h) with higher gusts. A special advisory
will be issued at 800 PM AST (0000 UTC) in lieu of the scheduled
intermediate advisory for Maria.
SUMMARY OF 745 PM AST...2345 UTC...INFORMATION
---------------------------------------------------
LOCATION...15.3N 61.1W
ABOUT 15 MI...25 KM ESE OF DOMINICA
ABOUT 40 MI...70 KM N OF MARTINIQUE
MAXIMUM SUSTAINED WINDS...160 MPH...260 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...929 MB...27.43 INCHES
$$
Forecaster Brown/Blake
NNNN
恭喜北大又诞生一个C5！！