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BULLETIN
Hurricane Iota Advisory Number   8
NWS National Hurricane Center Miami FL       AL312020
400 AM EST Sun Nov 15 2020
 
...IOTA EXPECTED TO CONTINUE TO RAPIDLY STRENGTHEN INTO A MAJOR
HURRICANE BEFORE IT REACHES CENTRAL AMERICA...
 
 
SUMMARY OF 400 AM EST...0900 UTC...INFORMATION
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LOCATION...13.1N 77.3W
ABOUT 275 MI...445 KM E OF ISLA DE PROVIDENCIA COLOMBIA
ABOUT 415 MI...670 KM ESE OF CABO GRACIAS A DIOS ON NIC/HON BORDER
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Hurricane Warning is in effect for...
* Providencia
* The coast of Nicaragua from the Honduras/Nicaragua border to
Sandy Bay Sirpi
* The coast of northeastern Honduras from Punta Patuca to the
Honduras/Nicaragua border
 
A Hurricane Watch is in effect for...
* San Andres
 
A Tropical Storm Warning is in effect for...
* San Andres
* The coast of Nicaragua from south of Sandy Bay Sirpi to Bluefields
* The northern coast of Honduras from west of Punta Patuca to Punta
Castilla
 
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area.  A warning is typically issued
36 hours before the anticipated first occurrence of
tropical-storm-force winds, conditions that make outside
preparations difficult or dangerous.  Preparations to protect life
and property should be rushed to completion.
 
A Hurricane Watch means that hurricane conditions are possible
within the watch area.  A watch is typically issued 48 hours
before the anticipated first occurrence of tropical-storm-force
winds, conditions that make outside preparations difficult or
dangerous.
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
 
Interests elsewhere in Nicaragua and Honduras should monitor the
progress of Iota.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 400 AM EST (0900 UTC), the center of Hurricane Iota was located 
by an Air Force Reserve reconnaissance aircraft near latitude 13.1 
North, longitude 77.3 West. Iota is moving toward the west near 6 
mph (9 km/h). A westward to west-northwestward motion is expected 
during the next few days until landfall occurs in Central America. 
On the forecast track, Iota will move across the southwestern 
Caribbean Sea today, pass near or over Providencia island on Monday, 
and approach the coasts of Nicaragua and northeastern Honduras 
Monday night.
 
Reports from the aircraft indicate that maximum sustained winds have
increased to near 80 mph (130 km/h) with higher gusts. Rapid
strengthening is expected during the next day or two, and Iota is
forecast to be a major hurricane when it approaches Central America.
 
Hurricane-force winds extend outward up to 25 miles (35 km) from the
center and tropical-storm-force winds extend outward up to 90 miles
(150 km).
 
The latest data from the reconnaissance aircraft indicate that the
minimum central pressure is estimated to be 985 mb (29.09 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Hurricane Iota can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC 
and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. 

RAINFALL:  Iota is expected to produce the following rainfall
accumulations through Thursday:
 
Honduras, northern Nicaragua, Guatemala, southern Belize: 8 to 16
inches (200 to 400 mm). Isolated maximum totals of 20-30 inches (500
to 750 mm) will be possible, especially from northeast Nicaragua
into northern Honduras.
 
Costa Rica, Panama, and northern Colombia: 4 to 8 inches (100 to 200
mm), with isolated maximum totals of 12 inches (300 mm).
 
This rainfall would lead to significant, life-threatening flash
flooding and river flooding, along with mudslides in areas of higher
terrain.
 
El Salvador and southern Nicaragua: 2 to 4 inches (50 to 100 mm),
with isolated maximum totals of 8 inches (200 mm).
 
Jamaica: 1 to 3 inches (25 to 75 mm).
 
WIND:  Hurricane conditions are expected on the island of
Providencia by late tonight with tropical storm conditions
expected beginning this evening. Hurricane conditions are
expected within the Hurricane Warning area in Nicaragua and
Honduras by late Monday. Tropical storm conditions are expected to
begin on the island of San Andres this afternoon or evening with
hurricane conditions possible there tonight or early Monday.
Tropical storm conditions are expected in the Tropical Storm
Warning area in Nicaragua by late Monday and in the warning area in
Honduras by Monday night.
 
STORM SURGE: A dangerous storm surge will raise water levels by as
much as 9 to 13 feet above normal tide levels in areas of onshore
winds along the coast of Nicaragua and Honduras.  Near the coast,
the surge will be accompanied by large and destructive waves.
 
SURF:  Swells generated by Iota will affect portions of the coast of
Colombia, and the southern coasts of Hispaniola and Jamaica during
the next day or two.  Swells will begin to reach the coasts of
Nicaragua and Honduras on Monday.  These swells are likely to cause
life-threatening surf and rip current conditions.  Please consult
products from your local weather office.
 
 
NEXT ADVISORY
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Next intermediate advisory at 700 AM EST.
Next complete advisory at 1000 AM EST.
 
$$
Forecaster Stewart
 
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