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Lee County Forecast
This Afternoon: Partly sunny, with a high near 85. West northwest wind around 13 mph, with gusts as high as 18 mph.
Partly Sunny

Tonight: Mostly clear, with a low around 70. West northwest wind 5 to 8 mph becoming light and variable  in the evening.
Mostly Clear
Hi 85 °FLo 70 °F
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 Tropcial Weather Discussion - Atlantic Basin

AXNT20 KNHC 251740

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
140 PM EDT Thu May 25 2017

Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 32N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.

Based on 1200 UTC surface analysis and satellite imagery through
1715 UTC.


A tropical wave extends from 12N40W to 03N41W, moving westward at
around 20 kt. The TPW data indicate a decent surge of moisture
in association with this wave. Isolated moderate convection is
within about 210 nm E of wave axis from 07N to 10N.

A tropical wave extends from 13N50W to 03N51W, moving westward at
15-20 kt. This wave shows up pretty well on the TPW animation and
satellite derived winds. Isolated showers is near the wave axis.

A tropical wave is over the south-central Caribbean and extends
from 15N76W to Colombia near 06N77W, moving westward at 10-15 kt.
The wave is well depicted in the moisture product with the TPW
showing a bulge a moisture near the wave axis. A custer of
moderate to strong convection is near the southern end of the wave
axis over Colombia.

A tropical wave is over northern central America and extends from
19N78W through El Salvador into the EPAC region, moving westward
at 10-15 kt. The TPW data indicate a decent surge of moisture
in association with this wave.


The Monsoon Trough enters the tropical Atlantic near 12N16W and
continues to 06N16W to 05N21W. The ITCZ begins near 05N21W and
extends to 08N39W, then resumes west of a tropical wave near
40W to 07N49W. Aside from the convection associated with the
tropical wave, scattered moderate isolated strong convection can
be found from 01N-05N between 15W-25W. Scattered moderate
convection is from 08N-10N between 43W and 45W.



As of 1500 UTC, a cold front extends from near Ft. Myers to the
SW Gulf near 20N93W. A band of showers with embedded thunderstorms
is related to the front and is affecting mainly south-central
Florida. Moderate to fresh winds are noted on either side of the
front E of 87W. A weak 1015 mb high pressure follows the front and
it is located near 26N91W. Mainly gentle to moderate winds are
north of the front west of 87W due to the presence of the weak
high. The cold front is forecast to stall and dissipate over the
SE Gulf on Friday. The high pressure will move eastward toward the
NE Gulf by Thursday night. At that time, southerly return flow
will set-up over the western Gulf.


A tropical wave is over the south-central Caribbean and a second
one is leaving the basin. Please refer to the Tropical Waves
section for more details. The combination of the eastern Pacific
monsoon trough and the tropical wave over the south-central
Caribbean supports some convective activity over parts of Panama
and Costa Rica. Shallow moisture embededed in the trade wind flow
will move across the remainder of the region producing isolated
to scattered passing showrs. High pressure located over the
central Atlantic extends a ridge toward the SW across much the
Caribbean Sea and the Greater Antilles supporting fresh to strong
easterly winds across the east and central Caribbean and moderate
to fresh southeast winds over the western part of the basin.
Although the cold front, currently moving across the Gulf of
Mexico, is not expected to reach the northwest Caribbean, showers
and thunderstorms well ahead of the front may enter the northwest
Caribbean later today and linger through Thursday. Fresh to
strong winds will persist over the central Caribbean through
Friday, then diminish on Saturday. Pulsing fresh easterly winds
are expected across the Gulf of Hunduras at night through Monday
night. Visible satellite imagery and Saharan Air layer from UW-
CIMSS reveal the presense of saharan dust across much of the
Caribbean producing dry and hazy conditions.


Mostly dry and hazy conditions will prevail across the island
under the influence of a ridge. Model guidance continue to show
limted moisture across the region.


A cold front enters the forecast area near 31N77W and extends SW
to central Florida. A band of showers and thunderstorms is ahead
of the front, forecast to reach from 31N70W to south Florida by
early Friday morning. Mosaic Doppler Radar from the SE U.S.
depicts an active line of thunderstorms over the central areas of
South Florida, which will be moving through the Atlantic metro
areas through the early afternoon hours. Gusty winds and frequent
lightning are expected in association with the thunderstorms.
Fresh to strong winds are on either side of the front, but mainly
north of 27N. A 1026 mb high pressure centered near 32N44W
currently dominates the remainder of the western Atlantic and
central Atlantic. Another cold front extends from 31N23W to 27N31W
where it becomes nearly stationary to 22N44W. This front will
remain nearly stationary over the next 24-36 hours while
weakening. Two tropical waves are between 40W and thw Windward
Islands, Please refer to the tropical waves section for more
details. African dust is noted across much of the Atlantic Ocean
ahead of the first cold front and from 10N-30N.

For additional information please visit


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