wtnt35 knhc 071753
hurricane ernesto special advisory number 25
nws national hurricane center miami fl al052012
200 pm edt tue aug 07 2012
...air force hurricane hunters find that ernesto has become a
Summary of 200 pm edt...1800 utc...information
about 185 mi...295 km e of chetumal mexico
maximum sustained winds...80 mph...130 km/h
present movement...wnw or 300 degrees at 14 mph...22 km/h
minimum central pressure...983 mb...29.03 inches
watches and warnings
changes with this advisory...
The government of mexico has included the island of cozumel in the
hurricane warning and extended the tropical storm warning northward
along the east coast of the yucatan peninsula to cabo catoche.
Summary of watches and warnings in effect...
A hurricane warning is in effect for...
* chetumal to tulum on the east coast of the yucatan peninsula
* the entire coast of belize
a tropical storm warning is in effect for...
* the coast of honduras from the honduras/nicaragua border westward
to punta sal...including the bay islands
* north of tulum to cabo catoche on the east coast of the yucatan
* celestun southward and westward to chilitepec along the gulf coast
A tropical storm watch is in effect for...
* the coast of honduras from west of punta sal to the
for storm information specific to your area...please monitor
products issued by your national meteorological service.
Discussion and 48-hour outlook
at 200 pm edt...1800 utc...the center of hurricane ernesto was
located near latitude 18.5 north...longitude 85.5 west. Ernesto is
moving toward the west-northwest near 14 mph...22 km/h. This
general motion is expected to continue through tonight...followed by
a turn toward the west on wednesday. On the forecast track...the
center will continue passing north of the coast of honduras today...
And will cross the east coast of the yucatan peninsula tonight.
The center of ernesto is forecast to move across the yucatan
peninsula late tonight and early wednesday...and emerge over the
bay of campeche by wednesday afternoon or evening.
Maximum sustained winds have increased to near 80 mph...130
km/h...with higher gusts. Ernesto is a category one hurricane on
the saffir-simpson hurricane wind scale. Some additional
strengthening is possible before ernesto reaches the yucatan
peninsula. Weakening is expected as ernesto moves over land.
Hurricane force winds extend outward up to 25 miles...35 km...from
the center...and tropical storm force winds extend outward up to 140
The minimum central pressure reported by an air force hurricane
hunter aircraft is 983 mb...29.03 inches.
Hazards affecting land
wind...tropical storm conditions are still possible in the tropical
storm warning area along the coast of honduras through today.
Hurricane conditions are expected to reach the coast of mexico
tonight or early wednesday...with tropical storm conditions
possible by this afternoon. Tropical storm conditions are expected
along portions of the gulf coast of mexico in the tropical storm
warning area by wednesday afternoon.
Rainfall...ernesto is expected to produce rainfall accumulations of
3 to 5 inches along the northern coast of honduras...with isolated
maximum amounts of 8 inches over mountainous terrain. Total
rainfall amounts of 4 to 8 inches...with isolated maximum amounts
of 12 inches are expected over belize...the southern portions of
the yucatan peninsula...and northern guatemala. These rains are
likely to cause dangerous flash floods and mud slides over
Storm surge...a dangerous storm surge will raise water levels by
as much as 2 to 4 feet above normal tide levels along the immediate
coast near and to the north of where the center makes landfall on
the east coast of the yucatan peninsula. A storm surge of 1 to 3
feet above normal tide levels is likely in areas of onshore winds
in the warning area along the gulf coast of mexico. Near the
coast...the surge will be accompanied by large and dangerous waves.
next complete advisory...500 pm edt.