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  • Atlantic Remnants Of Iota Advisory Number 21



    000
    WTNT31 KNHC 181440
    TCPAT1

    BULLETIN
    Remnants Of Iota Advisory Number 21
    NWS National Hurricane Center Miami FL AL312020
    900 AM CST Wed Nov 18 2020

    ...IOTA DISSIPATES OVER CENTRAL AMERICA...
    ...HEAVY RAIN THREAT CONTINUES...


    SUMMARY OF 900 AM CST...1500 UTC...INFORMATION
    ----------------------------------------------
    LOCATION...13.8N 89.5W
    ABOUT 20 MI...35 KM WNW OF SAN SALVADOR EL SALVADOR
    MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
    PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H
    MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES


    WATCHES AND WARNINGS
    --------------------
    There are no coastal watches or warnings in effect.


    DISCUSSION AND OUTLOOK
    ----------------------
    At 900 AM CST (1500 UTC), the remnants of Iota were located near
    latitude 13.8 North, longitude 89.5 West. The remnants are moving
    toward the west near 12 mph (19 km/h), and this general motion is
    expected to continue today.

    Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.

    The estimated minimum central pressure is 1006 mb (29.71 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for 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: The remnants of Iota are expected to produce the
    following additional rainfall accumulations through Thursday:

    Portions of Honduras, Guatemala, southern Belize: 4 to 8 inches (100
    to 200 mm), with isolated maximum totals of 12 inches (300 mm).

    Portions of Nicaragua and El Salvador: 2 to 4 inches (50 to 100 mm),
    with isolated maximum totals of 6 inches (150 mm).

    This rainfall will lead to significant, life-threatening flash
    flooding and river flooding, along with mudslides in areas of higher
    terrain.

    SURF: Swells generated by Iota will affect much of the coast of
    Central America and the Yucatan Peninsula during the next day or so.
    These swells are likely to cause life-threatening surf and rip
    current conditions. Please consult products from your local weather
    office.


    NEXT ADVISORY
    -------------
    This is the last public advisory issued by the National Hurricane
    Center on this system. For additional information on the remnants,
    please see High Seas Forecasts issued by the National Weather
    Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and
    on the web at ocean.weather.gov/shtml/NFDHSFEPI.php


    $$
    Forecaster Pasch