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Report
Tropical Storm Rafael to threaten US by weekend
AccuWeather
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11/5/2024
AccuWeather's Jon Porter was live on the AccuWeather Network on Nov. 5 to discuss Tropical Storm Rafael, which is expected to threaten the United States in the coming days.
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00:00
I want to take you again there it is look at that wind and rain yep that's
00:04
tropical storm Raphael all right joining me right now is AccuWeather chief
00:08
meteorologist Jonathan Porter. John you know it was over 10 days ago we put out
00:13
the high risk for development in the Caribbean we were confident we'd get at
00:18
least a named storm and certainly that did develop right on cue let's talk
00:23
about the impacts as we go forward this week. Right Bernie and we consistently
00:28
first we warned of that risk well ahead of any other source and we consistently
00:33
talked about the risk for development much higher than the National Hurricane
00:37
Center and other sources in fact we were saying it was a near 100% risk of
00:42
development and that's exactly what's occurred this is poised to intensify no
00:46
hurricane looks like it's going to intensify very quickly here through the
00:49
day today and impacts first in the Caribbean and then also to the Florida
00:54
Keys and South Florida in terms of some storm surge concerns and also gusty winds.
01:00
Now it enters the Gulf as we get in the Wednesday night and then well we'll talk
01:05
about that path as it gets into the Gulf of Mexico here shortly here but
01:09
certainly you look at the satellite picture John this is getting better
01:12
organized the National Hurricane Center will be sending a plane into this
01:16
shortly. Yes and we all signs here of a more organized a intensifying storm
01:23
system notice the curvature of some of these bands of clouds especially on the
01:27
eastern side of the storm that's again a sign that the storm is starting to
01:31
become more organized burning and if it develops an inner core during the day
01:35
today pretty quickly that it can really intensify and we can't rule out this
01:39
becoming a major hurricane on the approach to Cuba. And the reason for that
01:43
is when you look at the water vapor loop John there's a pocket of moisture and
01:49
low wind shear and it's going right into that area. That's what we've been
01:53
warning for days look at all the greens and blues here on the water vapor loop
01:58
this is very moist air and a lot of times these storms will bring sort of a
02:03
envelope of moisture along with them and ahead of it and that enables the storm
02:08
again to not have any problems with dry air trying to get in there and slow the
02:12
intensification rate we just don't see that today looks like it's going to be a
02:16
path here to continue to intensify. All right and low wind shear as well will
02:20
help it develop it'll move into the Gulf of Mexico Wednesday night and then this
02:25
is where it gets complicated you and I always talk about forks in the road
02:29
let's talk about the first fork in the road that's going to be on Thursday. Yeah
02:34
I think I've learned that term from you Bernie when I first started here at
02:36
AccuWeather 20 years ago you've always made that important point that these
02:40
storms oftentimes there is a place that they approach and they're either going
02:44
to go go one way or go the other and that's what we're going to be dealing
02:48
with here is the classic fork in the road on Thursday once the storm becomes
02:52
goes into the Gulf of Mexico north of Cuba it's either going to the west which
02:57
would greatly reduce the risk for US impacts or it's going to be drawn to the
03:02
north which means that again that corridor from Louisiana to Florida we'd
03:06
be most concerned about potential landfall and then rain impacts as well
03:09
along the coast and potentially in the interior as well. All right and and with
03:14
that Louisiana or Florida then we have another fork in the road let's say it
03:19
continues to go to the west northwest is it Louisiana or is it Florida it's a big
03:24
difference. And climatology would tell you storms at this time of year would
03:28
tend to want to go to Florida but there's two factors and we were delving
03:32
into this with our team of hurricane experts we had a great debate on the
03:35
floor here operations floor at the Global Weather Center AccuWeather this
03:38
morning about this there's two factors that are going to control that movement
03:42
the first is this area of high pressure off the Atlantic seaboard how intense is
03:47
it and is it is it nosed further back in toward Florida or not and then the
03:52
second factor is going to be this dip in the jet stream what's its orientation
03:57
and where's the band of faster southwest winds here because the storm can either
04:02
as we mentioned get drawn up closer to the Florida panhandle or may end up
04:06
being drawn up closer toward Louisiana it's going to depend on the steering
04:10
winds and small differences in these two weather systems can have a big
04:15
impact on the track of the storm. And of course with the exclusive AccuWeather
04:19
iPath we're just not giving you the the actual forecast but the possibilities
04:24
and this is one of the larger windows I can remember seeing John. It is and we're
04:29
purposely doing that this is not a computer algorithm which you see from
04:33
other weather sources this is the opinion of AccuWeather expert
04:38
meteorologists and where we purposely draw the right side of this AccuWeather
04:42
window of movement and the left side of it and we've delineated that the center
04:46
of the storm could be anywhere from the Florida Peninsula to the upper Texas
04:51
coast here as we head toward late in the weekend every forecast has uncertainty
04:55
associated with it this one has a larger amount of uncertainty than typical that's
05:00
why we've got a wide window and we want everybody along the Gulf Coast to be
05:04
paying close attention to this storm hour by hour with us here at AccuWeather
05:07
over the coming days. And no matter the scenario it is important to note
05:11
that this will be losing wind intensity and will not be a hurricane as it
05:17
approaches the United States that's an important point rain would be the big
05:20
story not necessarily the wind except in the southern Keys where this will be a
05:25
hurricane there could be a significant storm surge. AccuWeather chief
05:28
meteorologist Jonathan Porter. John thanks for joining us here on AccuWeather Early.
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