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Tracking Katia – 2023 Atlantic Hurricane Season

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Track The Tropics is the #1 source to track the tropics 24/7! Since 2013 the main goal of the site is to bring all of the important links and graphics to ONE PLACE so you can keep up to date on any threats to land during the Atlantic Hurricane Season! Hurricane Season 2026 in the Atlantic starts on June 1st and ends on November 30th. Do you love Spaghetti Models? Well you've come to the right place!! Remember when you're preparing for a storm: Run from the water; hide from the wind!

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Tracking Katia – 2023 Atlantic Hurricane Season

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NHC Public Advisory on Katia
  • Sun, 11 Oct 2026 15:00:17 +0000: Atlantic Post-Tropical Cyclone Isaias Advisory Number 20 - Atlantic Post-Tropical Cyclone Isaias Advisory Number 20
    000
    WTNT34 KWNH 111500
    TCPAT4

    BULLETIN
    Post-Tropical Cyclone Isaias Advisory Number 20
    NWS Weather Prediction Center College Park MD AL092026
    1100 AM EDT Sun Oct 11 2026

    ...FLASH FLOOD THREAT FROM ISAIAS IS DECREASING BUT SOME
    RISK CONTINUES TODAY ACROSS PORTIONS OF THE APPALACHIANS AND
    MID-ATLANTIC...


    SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
    -----------------------------------------------
    LOCATION...37.5N 84.0W
    ABOUT 180 MI...285 KM NE OF NASHVILLE TENNESSEE
    MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
    PRESENT MOVEMENT...ENE OR 65 DEGREES AT 22 MPH...35 KM/H
    MINIMUM CENTRAL PRESSURE...1010 MB...29.83 INCHES


    WATCHES AND WARNINGS
    --------------------
    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

    Flood Watches are in effect for...
    * Portions of the Central and Southern Appalachians

    Wind Advisory is in effect for...
    * Portions of the Central Appalachians


    DISCUSSION AND OUTLOOK
    ----------------------
    At 1100 AM EDT (1500 UTC), the center of Post-Tropical Cyclone
    Isaias was located near latitude 37.5 North, longitude 84.0 West.
    The post-tropical cyclone is moving toward the east-northeast near
    22 mph (35 km/h) and this motion is expected to continue today
    before the low dissipates over West Virginia this evening.

    Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.
    Little change in strength is forecast during the next 12 hours,
    with the low dissipating thereafter.

    The estimated minimum central pressure is 1010 mb (29.83 inches).


    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Isaias can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC.

    RAINFALL: Additional rainfall of 1 to 3 inches is possible today
    across portions of the Central Appalachians into the Mid-Atlantic,
    with localized flash and urban flooding possible. In western North
    Carolina, rainfall is diminishing, but rapid river rises and
    flooding remain possible today.

    For a complete depiction of forecast rainfall associated with
    Isaias, please see the National Weather Service Storm Total Rainfall
    Graphic available at
    hurricanes.gov/graphics_at4.shtml?rainqpf and the Flash Flood Risk
    graphic at hurricanes.gov/graphics_at4.shtml?ero.

    For a list of rainfall observations (and wind reports) associated
    with Isaias, see the companion storm summary at WBCSCCNS4 with the
    WMO header ACUS44 KWBC or at the following link:
    www.wpc.ncep.noaa.gov/discussions/nfdscc4.html.

    TORNADOES: A couple of tornadoes are possible today across the
    Piedmont and Coastal Plain of Virginia and North Carolina.

    SURF: Swells from Isaias will continue to affect much of the
    Gulf and Southeast coasts of the United States today. These swells
    are likely to cause life-threatening surf and rip current
    conditions. Please consult products from your local weather office.

    A depiction of rip current risk for the United States can be found
    at: hurricanes.gov/graphics_at4.shtml?ripCurrents


    NEXT ADVISORY
    -------------
    This is the last public advisory issued by the Weather Prediction
    Center on this system.

    $$
    Forecaster Chenard
NHC Forecast Advisory on Katia
  • Sun, 11 Oct 2026 14:59:50 +0000: Atlantic Post-Tropical Cyclone Isaias Forecast/Adv... - Atlantic Post-Tropical Cyclone Isaias Forecast/Advisory Number 20
    000
    WTNT24 KWNH 111459
    TCMAT4

    POST-TROPICAL CYCLONE ISAIAS FORECAST/ADVISORY NUMBER 20
    NWS WEATHER PREDICTION CENTER COLLEGE PARK MD AL092026
    1500 UTC SUN OCT 11 2026

    POST-TROPICAL CYCLONE CENTER LOCATED NEAR 37.5N 84.0W AT 11/1500Z
    POSITION ACCURATE WITHIN 20 NM

    PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 65 DEGREES AT 19 KT

    ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB
    MAX SUSTAINED WINDS 20 KT WITH GUSTS TO 30 KT.
    WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
    MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

    REPEAT...CENTER LOCATED NEAR 37.5N 84.0W AT 11/1500Z
    AT 11/1200Z CENTER WAS LOCATED NEAR 37.3N 84.8W

    FORECAST VALID 12/0000Z 38.8N 80.2W...POST-TROP/INLAND
    MAX WIND 20 KT...GUSTS 30 KT.

    FORECAST VALID 12/1200Z...DISSIPATED

    REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.5N 84.0W

    THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE
    NATIONAL HURRICANE CENTER ON THIS SYSTEM

    $$
    FORECASTER CHENARD
NHC Discussion on Katia
  • Sun, 11 Oct 2026 15:00:48 +0000: Atlantic Post-Tropical Cyclone Isaias Discussion Number 20 - Atlantic Post-Tropical Cyclone Isaias Discussion Number 20
    000
    WTNT44 KWNH 111500
    TCDAT4

    Post-Tropical Cyclone Isaias Discussion Number 20
    NWS Weather Prediction Center College Park MD AL092026
    1100 AM EDT Sun Oct 11 2026

    Key Messages:

    1. Areas of heavy rainfall will continue across portions of the
    Central Appalachians and Mid-Atlantic today, with localized flash
    and urban flooding possible. River flooding continues in western
    North Carolina.

    2. Swells from Isaias will continue to affect much of the Gulf and
    Southeastern Atlantic coasts of the United States today. These
    swells are likely to cause life-threatening surf and rip current
    conditions. Please consult products from your local weather office.

    3. A couple of tornadoes are possible today across the Piedmont and
    Coastal Plain of Virginia and North Carolina.


    FORECAST POSITIONS AND MAX WINDS

    INIT 11/1500Z 37.5N 84.0W 20 KT 25 MPH...POST-TROP/INLAND
    12H 12/0000Z 38.8N 80.2W 20 KT 25 MPH...POST-TROP/INLAND
    24H 12/1200Z...DISSIPATED

    $$
    Forecaster Chenard
2 Day Tropical Weather OutlookAtlantic 2 Day GTWO graphic
7 Day Tropical Weather OutlookAtlantic 7 Day GTWO graphic
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