577
WTNT34 KNHC 062038
TCPAT4
BULLETIN
TROPICAL DEPRESSION NINE ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092026
400 PM CDT TUE OCT 06 2026
..TROPICAL DEPRESSION FORMS OVER THE GULF OF AMERICA
..FORECAST TO STRENGTHEN QUICKLY
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...22.1N 95.6W
ABOUT 380 MI...615 KM W OF PROGRESO MEXICO
ABOUT 630 MI...1015 KM SW OF THE MOUTH OF THE MISSISSIPPI RIVER
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
INTERESTS IN THE YUCATAN PENINSULA AND THE U.S. NORTHERN GULF COAST
SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM.
DISCUSSION AND OUTLOOK
----------------------
AT 400 PM CDT (2100 UTC), THE CENTER OF TROPICAL DEPRESSION NINE WAS
LOCATED NEAR LATITUDE 22.1 NORTH, LONGITUDE 95.6 WEST. THE
DEPRESSION IS MOVING TOWARD THE EAST NEAR 5 MPH (7 KM/H) AND AN
EAST TO EAST-NORTHEAST MOTION IS EXPECTED DURING THE NEXT COUPLE OF
DAYS. BY FRIDAY, A TURN TO THE NORTHEAST IS ANTICIPATED. ON THE
FORECAST TRACK, THE DEPRESSION IS EXPECTED TO PASS TO THE NORTH OF
THE YUCATAN PENINSULA ON THURSDAY, AND APPROACH THE U.S. NORTHERN
GULF COAST ON FRIDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH (55 KM/H) WITH HIGHER GUSTS.
STEADY STRENGTHENING IS FORECAST, AND THE DEPRESSION IS EXPECTED TO
BECOME A TROPICAL STORM BY EARLY WEDNESDAY AND A HURRICANE ON
THURSDAY.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB (29.74 INCHES).
HAZARDS AFFECTING LAND
----------------------
KEY MESSAGES FOR TROPICAL DEPRESSION NINE CAN BE FOUND IN THE
TROPICAL CYCLONE DISCUSSION UNDER AWIPS HEADER MIATCDAT4 AND WMO
HEADER WTNT44 KNHC.
RAINFALL: TROPICAL DEPRESSION NINE IS EXPECTED TO PRODUCE RAINFALL
AMOUNTS OF 2 TO 4 INCHES THROUGH THURSDAY ACROSS COASTAL PORTIONS OF
THE BAY OF CAMPECHE WITH ISOLATED HIGHER AMOUNTS POSSIBLE IN THE
STATES OF CAMPECHE AND WESTERN YUCATAN.
FROM FRIDAY THROUGH THE WEEKEND, THE SYSTEM IS EXPECTED TO PRODUCE
RAINFALL AMOUNTS OF 3 TO 6 INCHES, WITH LOCALIZED TOTALS UP TO 10
INCHES, ACROSS THE CENTRAL U.S. GULF COAST EXTENDING FROM
SOUTHEASTERN LOUISIANA TO THE FLORIDA PANHANDLE. FLASH AND URBAN
FLOODING, ALONG WITH ISOLATED RIVER FLOODING, WILL BE POSSIBLE.
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH
TROPICAL DEPRESSION NINE, 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.
WIND: GUSTY WINDS ARE POSSIBLE IN PORTIONS OF THE YUCATAN PENINSULA
ON THURSDAY.
SURF: SWELLS GENERATED BY THE DEPRESSION ARE EXPECTED TO AFFECT THE
WESTERN AND NORTHERN PORTIONS OF THE YUCATAN PENINSULA BEGINNING ON
THURSDAY. 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
-------------
NEXT COMPLETE ADVISORY AT 1000 PM CDT.
FORECASTER CANGIALOSI
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