hurricane iota

HURRICANE CENTER: Iota To Become Major Hurricane

Florida hurricane News Palm Beach County

BOCA RATON, FL ( — The National Hurricane Hurricane Center now predicts Tropical Storm Iota to become a major hurricane before it makes landfall. The 31st storm of the season officially became a named storm on Friday in the Caribbean.

Here is the latest from the NHC:

Tropical Storm Iota Discussion Number   4
NWS National Hurricane Center Miami FL       AL312020
400 AM EST Sat Nov 14 2020

Satellite imagery and scatterometer data received since the last 
advisory indicate that Iota is a bit disorganized.  The deep 
convection is currently not concentrated near the center, and the 
scatterometer wind data showed an elongated circulation with a 
trough extending west-southwestward from the center.  The 
scatterometer data also showed maximum winds of 30-35 kt in the 
northeastern quadrant, and based on this, the initial intensity is 
held at 35 kt.  An Air Force Reserve Hurricane Hunter aircraft is 
scheduled to investigate Iota at around 18Z.

Iota continues to move south of west with the initial motion of 
245/4 kt.  A mid-level ridge over the Gulf of Mexico should build 
eastward to the north of Iota during the next day or two, and this 
feature should cause the cyclone to move westward at a somewhat 
faster forward speed through 72 h.  This motion is expected to 
bring the center near or over the coasts of Nicaragua or Honduras 
near the  72-h point.  After that time, a west-southwestward motion 
is forecast, with the center of the cyclone moving across portions 
of Central America.  The new forecast track is similar to, but 
slightly slower than, the previous forecast, and it lies in the 
center of the guidance envelope near the various consensus models.

Iota is currently experiencing light westerly wind shear produced by 
an upper-level trough to the west.  The shear should subside over 
the next 12-24 h as the trough moves westward and dissipates, 
leaving the cyclone in more favorable upper-level winds and over sea 
surface temperatures near 29C.  Thus, conditions appear conducive 
for steady to rapid intensification once the storm becomes well 
enough organized internally to take advantage of the favorable 
environment.  The new intensity forecast is similar to the previous 
one, and calls for rapid intensification to major hurricane 
intensity, with a peak intensity of near 105 kt as the system makes 
landfall in Central America.  It should be noted that the HWRF and 
HMON forecast the center to go north of the official forecast track 
and keep it over water north of Honduras.  As a result, they 
forecast a stronger cyclone than indciated by the official forecast.

Key Messages:

1. Iota is expected to strengthen and be a major hurricane when it 
approaches the coast of Central America.  There is a risk of 
dangerous wind, storm surge, and rainfall impacts across portions 
of Nicaragua and Honduras beginning Monday. Hurricane Watches will 
likely be issued for a portion of this area later today.

2. Through Wednesday, heavy rainfall from Iota will likely lead to 
life-threatening flash flooding and river flooding across portions 
of northern Colombia and Central America. Flooding and mudslides 
in Honduras and Nicaragua could be exacerbated by Hurricane Etas 
recent effects there, resulting in significant impacts.


INIT  14/0900Z 13.5N  74.8W   35 KT  40 MPH
 12H  14/1800Z 13.6N  75.4W   45 KT  50 MPH
 24H  15/0600Z 13.9N  76.8W   55 KT  65 MPH
 36H  15/1800Z 14.3N  78.6W   70 KT  80 MPH
 48H  16/0600Z 14.5N  80.4W   85 KT 100 MPH
 60H  16/1800Z 14.8N  82.0W  100 KT 115 MPH
 72H  17/0600Z 14.9N  83.3W  105 KT 120 MPH...INLAND
 96H  18/0600Z 14.5N  86.0W   50 KT  60 MPH...INLAND
120H  19/0600Z 14.0N  89.0W   25 KT  30 MPH...POST-TROP/REMNT LOW


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